20 jobs found

Location: London (Hybrid - 3 days in-office) Role Type: Full-Time / Permanent Experience Level: Mid-Senior (5-7 years) We are partnering with our client to hire a Senior Full-Stack Engineer. In this role, you will design, build, and scale cloud-native applications that are critical to the bank's risk management operations. This is a high-impact position for an engineer who excels at bridging complex backend data processing with highly responsive front-end interfaces, all hosted in a modern cloud environment. What You Will Do Build scalable applications using Core Java, multithreading, and ReactJS to handle heavy datasets efficiently. Engineer cloud-native solutions by designing, maintaining, and deploying applications leveraging Kubernetes and Amazon AWS. Design and integrate APIs using REST and gRPC to ensure seamless connectivity between the frontend and backend. Implement event streaming by integrating Kafka for real-time financial data processing. Lead and mentor junior developers, championing CI/CD automation, security standards, and Agile best practices. Bridge tech and finance by applying your investment banking and risk management knowledge to solve complex business problems. What You Bring to the Table 5 to 7 years of experience in full-stack software engineering. Deep backend expertise in Core Java, specifically with multithreading, complex algorithms, and data structures. Frontend proficiency building responsive UIs with ReactJS, JavaScript/TypeScript, and state management tools (Redux or Context API). Architectural design skills spanning application, data, and cloud solution architecture. Cloud & Infrastructure knowledge with proven hands-on experience using AWS and Kubernetes. Domain experience working within Investment Banking, ideally with a focus on risk management platforms. How to Apply: Please share your latest CV highlighting your hands-on experience with Java, React, and cloud-native deployments in the financial sector on Randstad Technologies Ltd is a leading specialist recruitment business for the IT & Engineering industries. Please note that due to a high level of applications, we can only respond to applicants whose skills & qualifications are suitable for this position. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010. For the purposes of the Conduct Regulations 2003, when advertising permanent vacancies we are acting as an Employment Agency, and when advertising temporary/contract vacancies we are acting as an Employment Business.

About Scrumconnect Consulting Scrumconnect Consulting is a multi-award-winning digital consultancy whose work has positively influenced the lives of over 40 million UK citizens. We deliver impactful technology solutions across UK government departments, working at the forefront of user-centred design, agile delivery, and scalable digital services that genuinely make a difference. Role Overview We are seeking an experienced Senior Backend Developer with strong expertise in Java and Spring Boot to design, develop, and maintain scalable Back End systems. The ideal candidate combines solid software engineering fundamentals with the ability to effectively leverage AI-powered development tools and coding assistants to accelerate delivery, improve code quality, and enhance engineering productivity. Key Responsibilities Design, develop, and maintain scalable Back End services using Java (8/11/17+) and Spring Boot Build, optimize, and maintain RESTful APIs and microservices-based applications Collaborate with Front End, DevOps, product, and AI engineering teams Use AI-assisted development tools (eg, GitHub Copilot, Cursor, ChatGPT, Claude, Gemini, etc.) to accelerate development, debugging, testing, and documentation Review, validate, and refine AI-generated code to ensure maintainability, security, and performance Design robust system architectures and contribute to technical decision-making Implement automated testing, CI/CD pipelines, and deployment processes Monitor application performance, troubleshoot issues, and optimize system reliability Conduct code reviews and mentor team members on engineering best practices and AI-assisted development workflows Document technical solutions and architecture using AI-assisted productivity tools where appropriate Required Skills & Qualifications 5+ years of hands-on Back End development experience Strong expertise in Java and Spring Boot Solid understanding of microservices architecture and distributed systems Experience designing and developing REST APIs Strong knowledge of Hibernate/JPA and relational database design Experience with messaging systems such as Kafka or RabbitMQ Hands-on experience with cloud platforms (AWS, Azure, or GCP) Experience with Docker and Kubernetes Strong database experience with PostgreSQL, MySQL, MongoDB, or similar technologies Experience with Git, CI/CD pipelines, and Agile development practices Understanding of application security, secure coding practices, and performance optimization Demonstrated experience using AI-assisted software development tools in daily engineering workflows Ability to critically evaluate, test, and improve AI-generated code and technical solutions Preferred Qualifications Experience building AI-powered applications or integrating LLM APIs Familiarity with Retrieval-Augmented Generation (RAG), vector databases, embeddings, and AI agent architectures Experience integrating services from OpenAI, Anthropic, Google Gemini, or similar AI platforms Experience working in regulated, standards-driven, or public sector environments Familiarity with Infrastructure as Code (Terraform, CloudFormation, etc.) Relevant certifications in Java, cloud technologies, or AI engineering Experience measuring and improving engineering productivity through AI-assisted development practices Strong Back End engineering fundamentals Quality and maintainability of delivered code Effective use of AI tools to increase productivity without compromising quality System design and architectural thinking Problem-solving and debugging capabilities Ability to mentor others in AI-assisted software engineering practices Our interview process We keep things straightforward. Following an initial CV review, successful candidates will be invited to a short screening call with our recruitment team, followed by a two-stage process comprising a technical assessment and a values-based interview with the hiring team. We aim to move quickly and will keep you informed at every stage. Equal Opportunities Scrumconnect Consulting is an equal opportunities employer. We are committed to building a diverse and inclusive team and welcome applications from all backgrounds, regardless of age, disability, gender, ethnicity, religion, or sexual orientation.

Java Developer - Investment Banking (Contract) Location: London (Hybrid) Contract Length: 6 Months Day Rate: Competitive Start Date: ASAP Overview We are partnering with a leading investment bank looking to onboard an experienced Java Developer to join a front office trading technology team on an initial 6-month contract. The role focuses on building and enhancing trade processing systems within a fast-paced, high-performance environment. Key Responsibilities Develop and enhance high-performance trade processing systems Work closely with Front Office, Trading, and Quant teams to deliver robust technical solutions Design and build scalable, event-driven architectures using Kafka Contribute to the development and optimisation of Trade Runner frameworks Build containerised microservices deployed via Kubernetes Ensure system reliability and performance in a Linux-based environment Collaborate within Agile teams, contributing to design, code reviews, and best practices Required Skills & Experience Strong hands-on experience with Java (Java 17 preferred) Proven background in investment banking or capital markets Solid experience with trade processing systems Exposure to or direct experience with Trade Runner platforms Strong knowledge of: Apache Kafka (event-driven architecture) Kubernetes (container orchestration) Linux/Unix environments Experience building low-latency, high-throughput systems Strong problem-solving skills and ability to work in a front office environment Desirable Skills Experience working directly with Front Office trading desks Knowledge of asset classes such as FX, Fixed Income, or Derivatives Familiarity with CI/CD pipelines and DevOps practices Experience with cloud platforms (AWS, GCP, or Azure) Why Apply? Work on critical, high-impact trading systems Exposure to front office technology and business stakeholders Collaborative, fast-paced environment within a top-tier investment bank Competitive contract rates Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business in relation to this vacancy.

We are currently recruiting for Senior Java Developers, with experience in Java 17 (or later) to join a great complex project with the UK GOV for 12 months, hybrid working in Birmingham Working for the UK Government is a perfect opportunity if your plan is to make a difference in people's lives while being part of a stimulating environment. What you will gain: Amazing rate for great affordability Hybrid working UK GOV Contract Essential: Banking/ Insurance/ Finance background is highly desirable Suitable candidates must be eligible to undergo SC Clearance - have min of 5 years in UK Recent experience with Java 17 (or later) working in an Agile environment Strong TDD/ BDD. Experience with large micro-service architectures Implementing API's for internal and external use. Desirable :Knowledge of Mongo DB/ Jackson/ JAX-RS / mocking frameworks such as Mockito, and messaging platforms(ActiveMQ or Kafka). Interviews will start as soon good candidates are available, if you are interested do not delay the response and forward you updated CV today. If you would like to discuss further about this opportunity or others in the UK Public Sector, please reach out (phone number removed) (extension 8144) and ask for Cristina Ghenu or you may email me at (url removed)

Lead / Senior Java Developer (Technical Lead) We are looking for an experienced Lead / Senior Java Developer to join a high-performing agile team building scalable, high-quality digital services. This is a hands-on technical leadership role where you will guide developers while contributing directly to backend development, APIs, and automated testing. You will work on complex, high-traffic systems using modern engineering practices, helping to design and deliver robust, scalable services that are resilient and production-ready. Key Responsibilities Lead or mentor a team of Java developers Design and build server-side applications and RESTful APIs Develop and maintain automated test suites (TDD/BDD) Support CI/CD and continuous deployment practices Contribute to 2nd-line production support and incident resolution Build scalable, high-performance distributed systems Work with large datasets and ensure systems scale effectively Communicate technical concepts to non-technical stakeholders Work in Linux/Unix-based environments Essential Experience Strong commercial experience with Java (11/17/21+) Experience leading or mentoring engineers Strong background in microservices architecture Experience building and consuming REST APIs Strong understanding of TDD, BDD, and automated testing Experience working in Agile environments Experience supporting live production systems Solid understanding of scalable web architecture Comfortable working in Linux/Unix environments Desirable Experience Kafka, ActiveMQ, or similar messaging systems MongoDB or other NoSQL databases Mockito, Jackson, JAX-RS High-scale or high-traffic system experience Cloud platforms (AWS / Azure / GCP) CI/CD and DevOps tooling About You You are a strong technical leader who enjoys solving complex problems, improving systems, and working collaboratively in cross-functional agile teams. You value clean engineering practices, high-quality code, and delivering reliable systems at scale.

Prestigious opportunity for a talented and experienced Senior Java Developer to join a fast growing technology and transformation team delivering innovative, large-scale engineering solutions.This role sits at the intersection of technology, data, and AI, working on some of the UK's most ambitious digital programmes. You'll play a key role in designing and building modern, scalable applications that help organisations make smarter, data driven decisions.Collaborating within mature, cross-functional teams, working alongside engineers, architects, and business stakeholders to create impactful, future ready solutions. Key Responsibilities Design, develop, and maintain high-quality Java based applications Contribute across the full software development lifecycle Provide technical input into architecture and system design Build secure, scalable RESTful APIs Collaborate with engineers, product teams, and stakeholders to deliver solutions Write clean, maintainable, and well documented code Troubleshoot and resolve complex production issues Continuously improve system performance, reliability, and security Stay up to date with emerging technologies and best practices If you possess a combination of some of the following skills, then LET'S TALK! Strong experience in Java development (plus exposure to Kotlin or Scala) Deep understanding of OOP principles, SOLID design, and design patterns Hands on experience with Spring Framework (Spring Boot, Spring MVC) Experience designing and securing RESTful APIs Experience with containerisation (Docker, Kubernetes) Familiarity with CI/CD tools (Jenkins, GitHub Actions, Bit bucket Pipelines) Strong experience with Git and version control strategies Experience working with cloud platforms (AWS, Azure, or GCP) Ability to monitor, diagnose, and improve application performance Strong understanding of secure coding practices Exposure to the following would be advantageous but not essential: - Messaging/streaming technologies (Kafka, SQS) Serverless technologies (e.g., AWS Lambda) Monitoring/logging tools (ELK, Splunk, Dynatrace) ORM technologies (JPA, Hibernate) API documentation tools (e.g., Swagger/OpenAPI) Test tools (Postman, Selenium, Axe) Exposure to AI-assisted development tools (e.g., GitHub Copilot) In return, you will be rewarded with a market leading benefits package and ongoing career development in a flexible, hybrid working environment. What you need to do now If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now. If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career. Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found at (url removed)

Job Title: Senior Full Stack Developer (React & Java script) Contract Length: 12 Months Location: London - 3 Days a week Daily Rate: Circa 650/Day (Inside IR35) About the Role Join our dynamic team as a Senior Full Stack Developer, where your expertise in React JS and Java script Core will shine! We are looking for a tech-savvy professional with a passion for building scalable applications within the financial sector. This is an exciting opportunity to work with cloud-native architectures and cutting-edge technologies. If you thrive in a collaborative environment and are eager to make an impact, we want to hear from you! Technical Skills Front-end: Strong proficiency in React.js, JavaScript/TypeScript, Redux/RTK, and modern UI patterns, develop framework is essential - More to React JS and Java script Back-end: Expertise in C# .NET Core, REST APIs, and microservices-based development is essential Python (pyspark): Experience with data pipelines and analytics is a plus. Power BI: Familiarity with developing dashboards and data models. Architecture: Knowledge of microservices, API design, and event-driven architectures. DevOps/CI/CD: Experience with Azure DevOps, GitLab, GitHub Actions, or similar tools. Cloud Platforms: Proficient in Azure or AWS (Azure preferred). Databases: Strong skills in SQL Server, PostgreSQL, or other relational databases. containerisation: Experience with Docker and Kubernetes. Key Responsibilities Design & Develop: Create and maintain full stack applications using React JS and C#.NET Core. Build Services: Develop high-performance backend services and RESTful APIs with a focus on scalability and resilience. Create UI Components: Craft responsive and modular UI components using React JS and modern JavaScript/TypeScript patterns. Collaboration: Work closely with business stakeholders and domain experts in Risk, Regulatory Reporting, and Finance. Power BI Expertise: utilise your knowledge of Power BI to develop dashboards and analytical reports. CI/CD Implementation: Collaborate with DevSecOps to optimise CI/CD pipelines, ensuring automated testing and deployment. Architecture Contribution: Contribute to event-driven and distributed system designs using technologies like Kafka or Event Hub. Mentorship: Guide junior developers and foster a collaborative atmosphere within a cross-functional agile team. Soft Skills A strong engineering mindset with a relentless curiosity. Excellent analytical and problem-solving abilities. Exceptional communication skills to interact with both technical and non-technical stakeholders. An agile mindset with experience in Scrum/Agile environments. Ability to work independently and lead technical solutions from start to finish. Why Join Us? Work on innovative projects that make a difference in the financial sector. Collaborate with a talented team in a vibrant environment. Enjoy a competitive daily rate and flexible working arrangements. If you are ready to take your career to the next level and contribute to exciting projects, apply now! We can't wait to meet you! Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. If you require reasonable adjustments at any stage, please let us know and we will be happy to support you.

Lead Java Developer / Software Engineer London / WFH to £115k Are you a hands-on Java Developer with leadership skills? You could be progressing your career in a Lead Java Developer role at a global FinTech / CFD trading company that has been consistently voted as one of the UKs top employers. As a Lead Java Developer you'll join a fairly new team working on a new crypto offering and split your time between hands-on development with people management (70/30). You'll set the technical direction, mentor engineers and ensure code quality, observability, scalability and security are embedded into high-quality, high-impact releases. You'll be working with a modern, cloud native tech stack using Java, Spring Boot, AWS, Kafka and CI/CD to build highly scalable, distributed systems with 24/7 availability. Location / WFH: There's a hybrid model with two days a week work from home, when you are in the office you'll be based in the City with an upbeat team environment, casual dress code and a range of facilities including roof terrace, restaurant and break out areas. About you: You have strong technical and people leadership skills You have advanced experience of building cloud-native, distributed systems using Java and Spring Boot You have a strong knowledge of AWS including Amazon EKS You have experience with Kafka and event driven architectures You're collaborative and pragmatic with great communication skills, you're comfortable working with other teams and business stakeholders W hat's in it for you: As a Lead Java Developer you will earn a competitive package: Salary to £115k + Bonus Pension, Private Medical Care, Life Assurance Option to buy or sell holiday days Wellness benefits and gym subsidy Childcare vouchers Enhanced paternity leave including shared parental pay and leave Employee led LGBTQ+, Women's, Black and Parents & Carers networks with an annual budget for organising events and projects that foster an open, diverse and inclusive culture Plus a range of other perks Apply now to find out more about this Lead Java Developer / Software Engineer opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Senior Java Developer - Glasgow - Investment Banking - Data/Spring/Linux/SQL/SDLC/Equity Primary responsibilities: The developer will work within an agile squad developing within a system comprising of numerous Java services that interact via messaging to produce the product outputs in Real Time. Technologies and techniques such as highly multi-threaded Java, Sharded Mongo DB and caching are used in the stack to provide the scale and performance that the product requires. Skills: - Core Server Side Java including Data Structures and Concurrency - Spring, Junit - Linux - Relational Databases (Sybase and/or DB2 is preferable) with ability to write SQL queries - Understanding of message-based architectures - Good Problem solving and analytical skills - Full SDLC experience and understanding - Excellent oral and written communication skills - An interest to learn the business supported by the applications - Knowledge and desire to use agile software development practices Skills Desired: - JMS, MQ, Kafka - MongoDB - Knowledge of a range of common Open Source libraries used in Java development - Database performance tuning (relational and document) - Python/Shell Scripting - Financial domain knowledge (eg Equities) Glasgow based - hybrid - Inside IR35 By applying to this job you are sending us your CV, which may contain personal information. Please refer to our Privacy Notice to understand how we process this information. In short, in order to supply you with work finding services, we will hold and process your personal data, and only with your express permission we will share this personal data with a client (or a third party working on behalf of the client) by email or by upload to the Client/third parties vendor management system. By giving us permission to send your CV to a client, this constitutes permission to share the personal data that would be necessary to consider your application, interview you (Phone/video/face to face) and if successful hire you. Scope AT acts as an employment agency for Permanent Recruitment and an employment business for the supply of temporary workers. By applying for this job you accept the Terms and Conditions, Data Protection Policy, Privacy Notice and Disclaimers which can be found at our website.

Senior Java Developer Contract - Analytics/Risk/PnL/Caching/AWS/PostgreSQL/Kafka/TDD Our leading investment banking client is looking for a Senior Java Developer to join them on an initial 12 month contract. Skills Required Derivatives, risk management and trading, market risk Market Data Financial Market exp Investment Banking development experience Java 17+ dev experience Apache Kafka Postgre SQL Contract - Central London based - flexible working - paying market leading rates By applying to this job you are sending us your CV, which may contain personal information. Please refer to our Privacy Notice to understand how we process this information. In short, in order to supply you with work finding services, we will hold and process your personal data, and only with your express permission we will share this personal data with a client (or a third party working on behalf of the client) by email or by upload to the Client/third parties vendor management system. By giving us permission to send your CV to a client, this constitutes permission to share the personal data that would be necessary to consider your application, interview you (Phone/video/face to face) and if successful hire you. Scope AT acts as an employment agency for Permanent Recruitment and an employment business for the supply of temporary workers. By applying for this job you accept the Terms and Conditions, Data Protection Policy, Privacy Notice and Disclaimers which can be found at our website.

Java Developer - Data Structure - Sybase - SQL - JMS - Equities - Investment Banking - Glasgow About The Role A core Server Side Java developer is required for a Tier 1 investment bank supporting the Equity Swaps business. This is a global Front Office team that writes the software supporting a leading provider of the Equity Swap product. This role will be within the Real Time calculation engine and its related components that is are the heart of the product suite. Primary responsibilities: The developer will work within an agile squad developing within a system comprising of numerous Java services that interact via messaging to produce the product outputs in Real Time. Technologies and techniques such as highly multi-threaded Java, Sharded Mongo DB and caching are used in the stack to provide the scale and performance that the product requires. Skills: - Core Server Side Java including Data Structures and Concurrency - Spring, Junit - Linux - Relational Databases (Sybase and/or DB2 is preferable) with ability to write SQL queries - Understanding of message-based architectures - Good Problem solving and analytical skills - Full SDLC experience and understanding - Excellent oral and written communication skills - An interest to learn the business supported by the applications - Knowledge and desire to use agile software development practices Skills Desired: - JMS, MQ, Kafka - MongoDB - Knowledge of a range of common Open Source libraries used in Java development - Database performance tuning (relational and document) - Python/Shell Scripting - Financial domain knowledge (eg Equities) Inside IR35 - hybrid working - Glasgow Based

Our client, a prominent player in the insurtech sector, is seeking a passionate and skilled Java Software Engineer to join their dynamic team. This permanent role will involve working closely with engineering squads, architects, and platform teams to ensure the company's APIs are well-designed, discoverable, versioned, and aligned with modern integration patterns. The ideal candidate will also guide the adoption of API tooling and platforms such as TIBCO, Apigee, or Azure API Management, enhancing the developer experience both internally and externally. Key Responsibilities: Technical Leadership & API Strategy Define and maintain the organisation's API strategy, including standards for design, documentation, versioning, security, and lifecycle management. Establish and evolve reusable API design patterns, working closely with architects and platform teams. Guide platform adoption and integration of API gateway/orchestration tools (e.g., TIBCO, Apigee, Azure API Management). Support consistent enforcement of API governance policies, authentication mechanisms, and API analytics. Contribute to the long-term roadmap for API enablement, developer tooling, and discoverability. Design, Development & Enablement Design and build Spring Boot-based APIs that are scalable, testable, and well-structured. Lead or support squads in the delivery of high-impact integration solutions across services and platforms. Collaborate on reusable API assets such as SDKs, templates, shared schemas, and common middleware. Implement robust error handling, logging, and observability across services and endpoints. Promote automation of API tests, documentation, contract validation, and pipeline integration. Collaboration & Engineering Maturity Act as a subject matter expert for APIs across squads and tribes, supporting design reviews, peer mentoring, and training. Participate in planning, backlog refinement, and sprint activities as a senior technical voice. Collaborate with architecture, security, and governance teams to align APIs with organisational principles. Contribute to Chapter and Guild forums, raising the bar for API engineering across the organisation. Lead efforts to reduce technical debt, improve platform resilience, and accelerate onboarding for new API consumers. Job Requirements: Technical Expertise Essential: Strong commercial experience building APIs using Java and Spring Boot in a production environment. Deep knowledge of RESTful API design, including best practices for resource modelling, pagination, and error handling. Proven experience with API versioning strategies, backward compatibility, and lifecycle management. Familiarity with OpenAPI/Swagger specifications and API documentation tooling. Solid understanding of API security, including OAuth2, API keys, scopes, JWT, and rate limiting. Strong testing experience, including contract testing, unit, integration, and end-to-end tests. Proficiency with CI/CD pipelines, Git workflows, and infrastructure-as-code concepts. Desirable: Experience with API gateway/orchestration platforms, such as TIBCO, Apigee, or Azure API Management. Experience with asynchronous patterns, such as event-driven architecture or messaging queues (e.g., Kafka, RabbitMQ). Familiarity with containerisation (Docker) and deployment in Kubernetes environments. Exposure to GraphQL and other modern API approaches. Behavioural Competencies Strategic Thinking: Aligns API design and platform tooling with organisational goals and future scalability. Technical Leadership: Mentors engineers, shares best practices, and supports consistent implementation across teams. Collaboration: Works across squads, architecture, and platform areas to unify integration approaches. Communication: Explains complex API design choices clearly to technical and non-technical audiences. Accountability: Takes ownership of engineering quality, platform reliability, and strategic delivery. Continuous Improvement: Identifies opportunities to simplify, standardise, or automate aspects of API delivery. Resilience & Knowledge Sharing: Encourages documentation, reusable assets, and team resilience through shared learning. Benefits: Permanent position with opportunities for career growth Work within a leading insurtech company Access to continuous professional development and training Supportive and collaborative team environment Comprehensive employee benefits package If you are a Java Software Engineer looking for a dynamic role within the insurtech industry, we would love to hear from you. Apply now to join our client's innovative team.

Your new company Hays Technology are recruiting a Lead Test Automation Engineer to join a prestigious organisation based in Leeds. This is a permanent opportunity offering the chance to lead/mentor a high-performing test automation team within a forward-thinking and innovative environment. Your new role In your new role, you will lead a small team of test automation engineers, overseeing the design, implementation, and maintenance of automated testing across critical applications. You'll be responsible for functional, system, integration, end-to-end, and security testing using tools such as Selenium and Karate. You'll collaborate closely with developers, analysts, and architects to enhance automation assets, while also contributing to performance testing using JMeter and LoadRunner. The role involves continuous improvement, mentoring, and active participation in recruitment and strategic initiatives. What you'll need to succeed Essential skills and experience Proven hands-on experience with test automation tools and frameworks (eg Selenium, Karate) Strong understanding of testing methodologies and Scripting languages (eg Python, JavaScript) Experience with performance testing tools such as JMeter or LoadRunner Ability to lead and mentor technical test teams Excellent collaboration skills across DevOps and product teams Exposure to Oracle ERP systems and data platforms Desirable skills Familiarity with Middleware technologies (Kafka, IBM MQ, ACE) Experience with security testing tools (eg Fortify, SonarQube, Twistlock) Knowledge of application monitoring tools such as Control M Exposure to generative AI and Tableau reporting What you'll get in return This exciting role offers a salary between £47,000 - £60,000, depending on experience, along with excellent benefits including generous holidays, a competitive pension scheme and hybrid working. What you need to do now If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now. Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found on our website.

Lead Full-stack Developer Location: Holborn, Central London (Hybrid) Job Type: Full-time Direct Reports: x5 Senior Developers Reporting to: Head of AI & Technology An exciting new permanent opportunity has become available for a Lead Full-stack Developer, to join a juggernaut organisation in the recruitment industry. A highly dynamic, ambitious and fast-growing team dedicated to transforming the recruitment landscape through AI-driven, human-centered technology. This is a pivotal role where you will lead a team of 5 Senior Developers, focusing on hands-on coding and providing technical leadership underneath the guidance of the Head of AI & Technology. Day-to-day of the role: Lead and mentor a team of 5 Senior Developers, maintaining a hands-on approach with coding and problem-solving. Oversee the end-to-end delivery of features, ensuring the software is scalable, speedy, and of high quality. Architect, develop, and maintain core components of our SaaS platform: Backend: Python, PostgreSQL Frontend: TypeScript, NextJS/NodeJS Integrate AI tools, APIs, and data pipelines to enhance platform intelligence. Promote engineering best practices such as testing, CI/CD, and secure coding standards. Conduct code reviews and provide technical mentorship. Collaborate with the Head of AI and Technology to align development priorities with business objectives. Foster a culture of collaboration, continuous learning, and high performance. Troubleshoot and resolve complex issues, ensuring platform reliability and uptime. Required Skills & Qualifications: 10+ years of commercial software development experience, with at least 5 years in a lead developer role. Proven track record in leading small, high-performing engineering teams in fast-paced environments. Deep expertise in full-stack development, including: TypeScript/JavaScript (NextJS, NodeJS, Tailwind) Python (Django, Flask, or FastAPI) PostgreSQL Experience with building and scaling SaaS platforms in production. Strong background in software architecture, microservices, and API design. Hands-on experience with cloud platforms (AWS, Azure, or GCP). Excellent communication skills, capable of motivating and aligning technical teams. Desirable: Experience with AI tools, APIs, ML pipelines, containerisation (Docker/Kubernetes), event-driven architecture (Kafka/RabbitMQ). Benefits: Hybrid working model (minimum 3 days a week in office) 25 days annual leave plus bank holidays Flexible holiday scheme Contributory pension scheme Enhanced family leave benefits Insurance benefits including life assurance Regular events and discounts at gyms and popular retailers Wellbeing and mental health support Vibrant office location in Holborn with numerous amenities nearby To apply for the Lead Full-stack Developer position, please submit your CV and cover letter detailing your relevant experience and why you are interested in this role.

CONTRACT SENIOR SOFTWARE ENGINEER - eDV CLEARED NEW CONTRACT JOB OPPORTUNITY AVAILABLE WITHIN A LEADING NATIONAL SECURITY COMPANY FOR A SENIOR SOFTWARE ENGINEER WITH eDV CLEARANCE Contract job opportunity for a Senior Software Engineer Globally leading defence/cyber security company £500 - £750 per day (inside and outside IR35 roles available) London based organisation in an easily accessible location Contract Senior Software Engineer To apply please call or email (see below) WHO WE ARE? We are recruiting multiple contract Senior Software Engineers to work with various clients in London ranging from R&D companies, Multi-National Consultancies to SME's and product based companies. Due to the nature of the work these clients do, you must hold enhanced DV Security Clearance. WHAT WILL THE SENIOR SOFTWARE ENGINEER BE DOING? As a Senior Software Engineer, you will work with an experienced agile team to design and deliver packages of bespoke work, work development teams and liaise with customers. You will work through the entire software development life cycle from requirements capture to R&D, implementation to automation. WE NEED THE SENIOR SOFTWARE ENGINEER TO HAVE. Current enhanced DV clearance Experience with at least one of the following: Java, Python, C++, C#, .NET, JavaScript, React Experience mentoring juniors or leading teams is nice to have but not essential Experience/Knowledge of automation IT WOULD BE NICE FOR THE SENIOR SOFTWARE ENGINEER TO HAVE. Cloud based experience Microservice architecture or server-less architecture Big Data/Messaging technologies such as Apache Nifi/MiNiFi/Kafka TO BE CONSIDERED. Please either apply by clicking online or emailing me directly to (see below) For further information please call me. I can make myself available outside of normal working hours to suit from 7am until 10pm. If unavailable please leave a message and either myself or one of my colleagues will respond. By applying for this role you give express consent for us to process & submit (subject to required skills) your application to our client in conjunction with this vacancy only. Also feel free to connect with me on LinkedIn, just search Dominic Barbet. I look forward to hearing from you. CONTRACT SENIOR SOFTWARE ENGINEER - eDV CLEARED KEY SKILLS: SENIOR SOFTWARE ENGINEER/SENIOR SOFTWARE DEVELOPER LEAD SOFTWARE ENGINEER/SENIOR SOFTWARE ENGINEER/JAVA DEVELOPER/JAVA ENGINEER/LEAD SOFTWARE DEVELOPER/SENIOR SOFTWARE DEVELOPER/DV CLEARED/DV CLEARANCE/DEVELOPPED VETTING/DEVELOPED VETTED/DEEP VETTING/DEEP VETTED/SC CLEARED/SC CLEARANCE/SECURITY CLEARED/SECURITY CLEARANCE

SC + NPPV3 Cleared Java Developer - 6 months+ - £Inside IR35 - Remote with occasional travel to London Please note: Candidates must have a current and active SC and NPPV3 Clearance- unfortunately, applications without this cannot be considered. Looking for a number of SC + NPPV3 Cleared Java Developers to work on a Law Enforcement programme. Key Responsibilities: Work on data mapping and report writing in Java. Essential Skills: Java AWS Spring Boot Kafka Desirable Skills: React JavaScript SC + NPPV3 Cleared Java Developer - 6 months+ - £Inside IR35 - Remote with occasional travel to London Damia Group Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept our Data Protection Policy which can be found on our website. Please note that no terminology in this advert is intended to discriminate on the grounds of a person's gender, marital status, race, religion, colour, age, disability or sexual orientation. Every candidate will be assessed only in accordance with their merits, qualifications and ability to perform the duties of the job. Damia Group is acting as an Employment Business in relation to this vacancy and in accordance to Conduct Regulations 2003.

Full Stack Engineer / Developer (C# .Net Core JavaScript AWS) St Albans / WFH to £100k Opportunity to progress your career in a hands-on role at a technology driven trading company that invest in Sports betting markets, with a flat structure where you will get your voice heard and can make a real impact on the bottom line, earning significant bonuses. What's in it for you: As a Full Stack Engineer / Developer you will earn a competitive package: Salary to £100k Bonus 25 days holiday, rising to 30 after 2 years Enhanced parental leave Contributory pension scheme Private Medical MSDN subscription Discounts for gym membership, travel and cinema Sabbatical after 10 years of service Flexible working with 2 days work from home per week in a hybrid model Your role: As a Full Stack Engineer you'll join an Agile development team to design and develop new features and enhancements to complex Payments and client systems within a microservices environment (300 services). You'll be working with a modern tech stack using C# .Net Core, AWS, Kubernetes, Kafka, Redis and TypeScript / Angular; using the right tool for the job, you'll be able to pick up new technologies and make recommendations for improvements. Location / WFH: You'll join colleagues in St. Albans, Hertfordshire (parking available), 10 minute walk from local station, with the flexibility to work from home twice a week. About you: You have strong C# .Net Core backend development skills You have JavaScript experience, combined with Angular or React You have experience with AWS and microservices You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms You enjoy collaborating, learning new things and sharing knowledge You are degree educated in Computer Science or closely related discipline Apply now to find out more about this Full Stack Engineer / Developer (C# .Net Core JavaScript) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Backend Java Developer £40,000 - £55,000 Guildford Hybrid At Jonothan Bosworth Recruitment Specialists, we're seeking a skilled Backend Java Developer with experience ideally in the telecommunications sector, to join a fast-growing technology provider. With ambitious growth plans and investment backing, this is a chance to join a forward-thinking engineering team where you'll make a real impact. to design and implement high-availability, mission-critical backend systems. You'll join a collaborative engineering team delivering scalable solutions for global telecom operations. What you'll do Design & build: Develop and maintain backend services and microservices using Java. Collaborate broadly: Work with cross-functional teams to deliver scalable telecom solutions. Optimise performance: Integrate databases, APIs, and ensure efficiency across systems. Harden systems: Implement redundancy, security, and performance tuning for telecom operations. Problem-solve: Troubleshoot challenges in distributed systems and live client environments. Contribute to Agile: Participate in code reviews and ensure best practices across the lifecycle. What we're looking for 4+ years' hands-on backend Java development experience. Strong expertise in RESTful APIs and microservice architectures. Background in distributed systems, OOP, and networking fundamentals. Cloud environment experience (AWS, GCP, etc.), plus Docker/Kubernetes and CI/CD. Proven track record optimising apps for performance, memory, and scalability. SQL/NoSQL database experience, including deployment and integration. Knowledge of messaging systems (Kafka, RabbitMQ, Pub/Sub). Excellent communication and analytical skills. Nice to have: Telecom-specific protocols (SMPP, SIP), OSS/BSS integrations, or network APIs. Event-driven systems, CQRS, or high-redundancy architectures. Security scanning, testing, Git, and Agile/Scrum experience. Interest in Kotlin. Bachelor's degree in computer science, Engineering, or related field. You'll be excited about contributing to a growing team and product. What's in it for you Health cash plans, enhanced parental leave, and ongoing training opportunities. Fun team events and industry networking opportunities. A supportive "Team First" culture that prioritises growth and wellbeing. A workplace committed to diversity, inclusion, and equal opportunity. Contact Claire at Jonothan Bosworth Recruitment Specialists today to learn more. MM_01_JD _CE We are committed to diversity, inclusion, and equality.As an equal opportunities employer, we celebrate diversity and are active advocates against modern slavery. We prohibit any form of discrimination or harassment based on race, color, sex, religion, sexual orientation, national origin, disability, genetic information, pregnancy, or any other protected characteristic.

Senior Java Engineer Location: Burgess Hill, UK Work Schedule: Hybrid We're hiring a Senior Java Engineer to build and deploy world-class software. This is a hybrid role, combining remote and office work. About the Role You'll develop high-quality software using distributed frameworks, automate deployments, and ensure our systems are scalable and robust. You'll contribute to the entire software development lifecycle, from design to production. Required Skills Experience: 4+ years of professional software development experience. Core Languages: Must be proficient in Java 8+ (Java 11/17 is a plus) and have at least 1 year of experience with GoLang . Key Technologies: Expertise in Spring Boot , Microservices , and Event-driven architecture . Databases & Messaging: Strong knowledge of both SQL and NoSQL databases, as well as Kafka . Tools: Familiarity with Jenkins , GitHub , and monitoring tools like Splunk or Grafana . Good to Have: Experience with reactive programming , caching mechanisms , and Agile projects. If you are a passionate and skilled developer, we encourage you to apply and join our team.Apply here or send me your updated CV to nandiraju co . uk Randstad Technologies Ltd is a leading specialist recruitment business for the IT & Engineering industries. Please note that due to a high level of applications, we can only respond to applicants whose skills & qualifications are suitable for this position. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010. For the purposes of the Conduct Regulations 2003, when advertising permanent vacancies we are acting as an Employment Agency, and when advertising temporary/contract vacancies we are acting as an Employment Business.

C# Developer / Full Stack Engineer (.Net Core JavaScript) St Albans / WFH to £100k Do you have expertise with C# .Net backend development combined with JavaScript skills? You could be progressing your career in a senior hands-on role at a technology driven trading company that invest in Sports betting markets with a flat structure where you will get your voice heard and can make a real impact on the bottom line, earning significant bonuses. As a C# Developer you'll join an Agile development team to design and develop new features and enhancements to complex Payments and client systems within a microservices environment (300 services). You'll be working with a modern tech stack using C# .Net Core, AWS, Kubernetes, Kafka, Redis and TypeScript / Angular; using the right tool for the job, you'll be able to pick up new technologies and make recommendations for improvements. WFH Policy: You'll join colleagues in St. Albans, Hertfordshire (parking available), 10 minute walk from local station, with the flexibility to work from home twice a week in a hybrid model. About you: You have strong C# .Net Core backend development skills You have JavaScript experience, combined with Angular or React You have experience with AWS and microservices You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms You enjoy collaborating, learning new things and sharing knowledge You are degree educated in Computer Science or closely related discipline What's in it for you: As a C# Developer / Full Stack Engineer you will earn a competitive package: Salary to £100k Bonus 25 days holiday, rising to 30 after 2 years Enhanced parental leave Contributory pension scheme Private Medical MSDN subscription Discounts for gym membership, travel and cinema Sabbatical after 10 years of service Flexible working with 2 days work from home per week Apply now to find out more about this C# Developer / Full Stack Engineer (C# .Net Core JavaScript) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.