107 jobs found

A great energy client based in London is looking for a Full Stack Python Engineer. Fantastic benefits, bonus, training, events, cycling scheme, pension, free breakfast and much more! If you're looking for a genuinely exceptional tech environment in London, this is it. The team is highly collaborative, technically strong, and incredibly supportive - a group of talented professionals who genuinely enjoy working together. Key Responsibilities Design, develop, and maintain scalable and reliable software solutions, ensuring alignment with Principals and Architects. You must have at least 4 years Python experience Experience with Typescript and a years Javascript Key Requirements Strong expertise in Python web development frameworks (e.g., Django) and JavaScript/TypeScript, with experience working in cloud environments such as AWS, Azure, or GCP. Skilled in applying software technical design principles to build scalable, secure, and maintainable solutions within modern cloud-based architectures. Bachelor's or Master's degree in Computer Science, Engineering or equivalent experience. Experience with CI/CD tools and practices. Strong problem-solving & communication skills. Adaptability/willingness to learn (e.g., Agile). Technical leadership (mentoring, best-practice guidance). Desirable: Experience with modern frameworks and libraries (e.g., React, Node.js, Terraform, Celery). Experience with database schema design and query optimisation. Collaborate with cross-functional teams, including Product, QA, and DevOps, to deliver high-quality features. Lead code reviews and technical discussions, and contribute to architectural decisions. Lead complex coding tasks; ensure code quality. Identify and resolve performance and scalability issues. Write clean, maintainable, and well-documented code. Mentor and support junior and mid-level engineers. Stay current with emerging technologies and industry trends. Estimate work; lead delivery of features from the roadmap. Solve ambiguous problems with scalable solutions.

MCS Group is delighted to be partnering with a brand new FDI as they build out a new team here in Belfast. Our client is a high-growth cloud and data engineering consultancy. They are seeking a full stack software engineer to join their team. This organisation delivers mission-critical cloud, API, and data solutions for enterprise and high-growth clients, embedding directly within client teams to build scalable, production-grade systems. The Role As a Full Stack Engineer, you'll work across both frontend and backend systems, contributing to the design and delivery of robust, data-driven applications. This is a hands-on role suited to someone who enjoys solving complex problems, influencing architecture, and working in a collaborative, high-performing team. Day-to-day responsibilities: Deliver high-quality features across the full stack, from UI to backend services Contribute to architectural discussions and technical design decisions Build scalable APIs and data-driven services Work with streaming/event-based systems in production environments Improve system reliability, performance and maintainability Collaborate closely with cross-functional stakeholders and client teams Mentor peers and contribute to engineering best practices What you need: Strong experience in full stack engineering Solid Java or Python development experience Exposure to React or similar front end framework Experience working with large datasets and strong SQL capability Familiarity with cloud-based environments and CI/CD workflows A proactive mindset and comfort operating in high-ownership environments Experience in regulated or performance-sensitive industries would be advantageous but is not essential. What's in it for you: The chance to join during an exciting growth phase Meaningful technical ownership and influence over design decisions Exposure to complex, enterprise-scale systems Hybrid working model Competitive salary and comprehensive benefits A collaborative, growth-focused engineering culture that values initiative To speak in absolute confidence about this opportunity, please send an up to date CV via the link provided or contact Matthew Rainey at Even if this position is not right for you, we may have others that are. Please visit MCS Group to view a wide selection of our current and exclusive roles MCS Group is committed to Equality, Diversity, and Inclusion for all, being the first recruitment agency in NI to achieve Bronze Diversity Mark accreditation, if you have a disability which means you require a reasonable adjustment to be considered at any stage of the recruitment process, please contact us and we will endeavour to facilitate the request. Not all agencies are the same MCS Group are passionate about providing a first-class service to all our customers and have an independent review rating of 4.9 stars on Google.

.NET Developer - Fastest Growing Social Media Firm - York (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is on a quest to transform how people discover, view and share content by combining the beauty and ease of print with the power of social media. Their key management team comprises of former top performers from Google, Apple, MSFT, NetFlix, Yahoo, Facebook, BBC Worldwide and Sony. Having raised over £300 million from well respected investors they have recently opened new offices in the UK and are on the lookout for the very best .NET Developer. .NET Developer applicants should be experienced in: .NET, .NET Core, C# and Azure SQL. You should have a strong grasp of object orientated (OO) development principles. Our client can provide you with industry recognized training in: .NET 10.0, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Bootstrap and MongoDB. Our client has a flat organization, which means that they believe great ideas can come from anywhere and anyone. From the beginning they've been uncompromising in creating a culture that inspires great work and values the health and balanced lives of their staff. If you are as excited as they are about building the first social magazine and transforming the social media experience, then apply without delay! Location: York, Yorkshire, UK / Remote Working Salary: £45,000 - £65,000 + Bonus + Pension + Benefits Applicants must be based in the UK and have the right to work in the UK even though remote working is available. Noir continues to be the leading Microsoft recruitment agency; we can help you make the right career decisions! NOIRUKNETRECNOIRUKREC NC/NET/YORET

MCS Group is delighted to be working with a global financial technology organisation as they expand their engineering team in Belfast with the addition of a Full-Stack Java Engineer This is an opportunity to join a highly regarded technology function within a large, established financial services environment, building robust, high-performance systems used by clients across international markets. The team operates in an agile, delivery-focused way and values engineers who enjoy solving complex problems and building software that truly matters.The RoleYou'll join a collaborative development team responsible for designing and building internal tools and client-facing services that support a fast-moving, data-driven trading environment. The role offers genuine ownership across the full development lifecycle, from design through to production support, while working closely with product, trading and support stakeholders.What You'll Be DoingDesigning and developing scalable Java-based services using modern frameworksBuilding and enhancing web applications using Angular and TypeScriptWorking across the full SDLC, including design, development, testing and optimisationCollaborating closely with product and business stakeholders to deliver high-quality solutionsContributing to agile delivery, technical discussions and continuous improvementSupporting production systems and helping resolve complex technical issues when requiredWhat We're Looking ForStrong commercial experience with Java and modern backend frameworks (e.g. Spring)Front-end experience with Angular and TypeScriptSolid understanding of RESTful APIs, web technologies and relational databasesExperience working in a performance-critical or complex systems environmentStrong problem-solving skills and the ability to work effectively in a teamA background in Computer Science, Engineering, Mathematics or equivalent experienceWhy Apply?Work on high-impact, business-critical systemsJoin a well-established engineering team with a strong delivery cultureHybrid working model based Long-term career progression within a stable, global organisation To speak in absolute confidence about this opportunity, please send an up to date CV via the link provided or contact matthew rainey at Even if this position is not right for you, we may have others that are. Please visit MCS Group to view a wide selection of our current and exclusive roles MCS Group is committed to Equality, Diversity, and Inclusion for all, being the first recruitment agency in NI to achieve Bronze Diversity Mark accreditation, if you have a disability which means you require a reasonable adjustment to be considered at any stage of the recruitment process, please contact us and we will endeavour to facilitate the request. Not all agencies are the same MCS Group are passionate about providing a first-class service to all our customers and have an independent review rating of 4.9 stars on Google.

Role: Senior CCAI Engineer (12 month FTC) Reports to: Principal CCAI Engineer This is a remote opportunity. Role Purpose: The Contact Centre AI Engineer plays a pivotal role in delivering change across the Digital Customer Contact (DCC) product suite. This includes supporting the integration and evolution of the Google CCaaS platform, in-house systems, and cloud-native services. Seniors are expected to, where appropriate, provide technical leadership, and contribute to the development of mid & junior engineers. The role includes line management responsibilities. Key Accountabilities and Responsibilities: Lead and deliver SaaS initiatives, ensuring alignment with the DCC product roadmap. Support the Principal Engineer in executing the technical strategy for the DCC SaaS product. Develop and maintain full stack solutions using .NET, JavaScript, and Python. Contribute to the design and deployment of serverless functions on Google Cloud Platform (GCP). Assist in the development of Chrome extensions to enhance agent experience. Implement secure authentication using JWT and OAuth 2.0. Support CI/CD pipeline development and maintenance for Google Cloud technologies. Collaborate with cross-functional teams to ensure successful delivery of features and integrations. Manage and support API integrations using Apigee. Participate in testing automation and quality assurance processes. Provide mentorship and technical guidance to mid & junior engineers. Where applicable, take on management responsibilities, including performance reviews and development planning. Skills, Experience, and Knowledge: Proven experience in full stack development, particularly in .NET and cloud-native environments. Hands-on experience with GCP services including Contact Centre AI, GCP Functions, and Cloud Storage. Familiarity with Chrome extension development and secure authentication protocols. Experience with CI/CD pipelines and DevOps practices. Strong understanding of API management using Apigee. Proficiency in JavaScript and Python. Exposure to Azure infrastructure and networking is a plus. Demonstrated ability to lead delivery streams and mentor team members. Excellent problem-solving, communication, and collaboration skills. Customers and Key Stakeholders: Work closely with the Principal Engineer and Head of Digital Customer Contact to align technical delivery with strategic goals. Collaborate with Contact Centre Ops Managers, IT, and Data teams. Engage with external partners and stakeholders to ensure delivery meets expectations. What we offer in return? A collaborative and fast paced work environment Health care cash plan Yearly bonus scheme 24 days annual leave plus Bank Holidays and the ability to buy additional leave (annual leave also increases with service) Life Assurance 4x annual salary Vibrant, modern offices About the business: Markerstudy is a leading provider of private insurance in the UK, insuring around 5% of the private cars on the UK roads, 20% of commercial vehicles and over 30% of motorcycles in total premium levels of circa £1.2b. Markerstudy also has a large and growing direct presence in the market as well.

Role Overview We are seeking a Senior Full Stack TypeScript Engineer to design, build, and operate mission-critical insurance applications . Key Responsibilities Full Stack Development Design, develop, and maintain full-stack applications using TypeScript . Build frontend applications using Next.js and backend services using Nest.js . Develop scalable RESTful APIs and microservices . Cloud & Infrastructure Deploy and manage applications on AWS cloud infrastructure . Work with AWS ECS for containerized application deployment . Manage infrastructure using Terraform (Infrastructure as Code) . Data & Storage Design and manage SQL and NoSQL database solutions . Work with PostgreSQL (AWS Aurora) and DynamoDB . Implement efficient data models and database performance optimizations . Experience with TypeORM is a plus. Event Driven Architecture Build event-driven services using AWS EventBridge . Implement notification systems using AWS SNS . CI/CD & DevOps Implement CI/CD pipelines using GitHub Actions . Ensure automated build, testing, and deployment workflows . Support DevOps practices for reliable application delivery. Required Skills & Experience Core Technologies Strong experience with TypeScript and JavaScript . Hands-on experience with: Next.js (Frontend) Nest.js (Backend) Experience building full-stack applications and APIs . Cloud & Infrastructure Strong experience with AWS cloud services . Hands-on experience with: AWS ECS Terraform AWS EventBridge AWS SNS

Site Reliability Engineer Bristol, Hybrid (3 days onsite, 2 from home) Up to £95K & Great Benefits Ready to take on high-impact engineering challenges that actually matter? Want to work on mission-critical systems used across the UK's most high-profile government organisations? This is your chance to join TwinStream -a team of elite engineers who built their careers cracking complex cross-domain problems, and then built a company to do it even better. We're growing fast. Demand for our services is skyrocketing. And now we're looking for a Site Reliability Engineer who's ready to step into a role with real ownership, real influence, and real opportunities to innovate. Why You'll Love This Role As our new SRE, you'll be right at the heart of our evolving cloud and on-prem platforms. This isn't a "keep the lights on" job-it's a role where you'll shape infrastructure strategy, partner closely with software and systems teams, and push performance, reliability, and automation to the next level. You'll help us evolve observability, enhance delivery pipelines, eliminate toil, drive reliability metrics, and make smart technical decisions that keep our systems robust as we scale. If you love solving gnarly problems, improving how things work, and innovating at speed-this is the role for you. Key Responsibilities of the Site Reliability Engineer: Collaborating with Software Engineers to improve subsystem reliability and performance Partnering with System Administrators to automate toil and cut down alert noise Taking observability to the next level-find issues before they hit the business Supporting development environments to boost speed and quality Researching & evaluating tools to guide key buy-vs-build decisions Deepening your expertise across multiple technical and business domains Expanding your knowledge of diverse tech stacks and platforms What You Bring Modern configuration management tools (Ansible, Chef or similar) Terraform Docker containers & orchestration (Kubernetes, OpenShift, Docker Swarm) CI/CD tooling (Jenkins or similar) Monitoring/metrics stack (InfluxDB, Prometheus, Grafana) MQ messaging (RabbitMQ or other AMQP solutions) SQL & relational databases Linux administration & shell scripting Network security fundamentals Cloud hosting (ideally AWS: EC2, RDS, S3, Lambda) Bonus points for: Experience with Java, Go, Python or similar Knowledge of cross-domain principles & tech Service management experience Hands-on observability implementation Proven ability to reduce downtime with smart reliability metrics Why You'll Love Working at TwinStream Competitive salary, £65k - £95k DOE 8% employer pension contribution Private medical healthcare (including dental & optical for the whole family) Flexible working culture Learning & development owned by YOU Electric vehicle salary-sacrifice scheme 28 days holiday + bank holidays Regular team events, plus Christmas & summer parties Life assurance & cycle-to-work scheme Security Clearance You'll need to be eligible for SC and/or DV clearance. Any offer will be subject to successful security screening. Ready to engineer impact? Apply now and shape the future of secure, high-performance cross-domain systems.

Senior Software Engineer (Full Stack - Angular Focus) 55,000 - 65,000 + package Cardiff (onsite approx. once/twice per month) Eligible for Security Clearance (must have resided in the UK for the last 5 years) CPS Group are working with a leading organisation to recruit a Senior Software Engineer to join a highly skilled, collaborative engineering team delivering enterprise-scale solutions in an agile environment. This is a full-stack role with a strong emphasis on frontend development. You'll be working primarily with Angular, which is essential for this position, while also contributing to backend services as the platform evolves. While Java experience is beneficial, this is not a pure Java role. Backend experience in Java or a similar language is required, with the expectation that Java will feature more prominently at certain stages of development. Key Responsibilities Design, build, and maintain high-quality frontend applications using Angular Contribute to full-stack development across modern, scalable systems Collaborate with backend engineers on API design and integration Work across the full software development lifecycle with a DevOps mindset Apply best practices including CI/CD, automated testing, and clean code principles Operate within an agile team, contributing to continuous improvement and technical decisions Ensure solutions meet security, performance, and quality standards Key Skills Required Strong commercial experience with Angular (essential) Full-stack development experience Backend experience using Java or a similar server-side language Understanding of modern software engineering best practices Experience working in agile delivery teams Familiarity with CI/CD pipelines (desirable) Exposure to cloud or containerised environments (beneficial, not essential) Contact: Zach Bennett - CPS Group Contact: Zach Bennett - CPS Group By applying to this advert you are giving CPS Group (UK) Ltd authority to hold and process your data for this specific role and any other roles we may deem suitable to you over time. We will not pass your data to any third party without your verbal or written permission to do so. All incoming and outgoing calls are recorded for training and compliance purposes. CPS Group (UK) Ltd is acting as an Employment Agency in relation to this vacancy. Our new privacy policy can be found here (url removed)

A large financial services organisation is seeking a Senior Backend Engineer to join a high-performing digital engineering function. This role sits within a customer-facing mobile product environment, delivering secure, scalable solutions at scale. Working across two product teams alongside a dedicated DevOps function, you will play a key role in shaping backend architecture, driving engineering standards, and ensuring scalability/security. Key Responsibilities Design, build and maintain secure, scalable backend microservices (Node.js or JVM-based frameworks) Contribute to backend architecture decisions aligned to clean architecture principles Support and integrate with a React Native mobile application environment Drive performance, resilience and security best practices across backend services Implement and champion strong testing strategies (including TDD) and high-quality code reviews Collaborate closely with DevOps on CI/CD pipelines, Docker and AWS-based deployments Mentor engineers and contribute to continuous improvement across engineering practices Manage technical debt and ensure engineering decisions align with business and customer outcomes Key Requirements Strong commercial experience with JavaScript/TypeScript React Mandatory Backend expertise in Node.js or Java (JVM-based frameworks) Proven experience designing and building REST-based microservices architectures Strong understanding of scalability, security and system design in production environments Experience working on mobile-backed systems , ideally with exposure to React Native projects Familiarity with AWS, Docker and CI/CD pipelines Strong engineering fundamentals and a passion for clean, maintainable architecture Exposure to or interest in applying AI within backend systems is highly advantageous Robert Walters Operations Limited is an employment business and employment agency and welcomes applications from all candidates

Full-Stack Engineer (FX Trading Applications) Location: London (onsite 3 days per week) Day Rate: £700 (via Umbrella Company) Contract: Fixed Term Contract until 31 December 2026 About the Role Are you ready to dive into the dynamic world of FX Trading technology? Our client is seeking a talented Full-Stack Engineer with strong Java expertise and a passion for solving complex technical challenges. You'll play a key role in building mission-critical components that power high-performance trading systems-working closely with cross-functional teams in a fast-paced, agile environment. Key Responsibilities Engineering & Development Design and develop backend and frontend features for FX Trading applications. Write well-designed, testable, and efficient code across the full stack. Build automated test suites (unit, integration, contract, UI/API, performance). Define metrics and implement automated evaluation and drift detection for AI-related components. Reduce technical debt while improving modularity, observability, reliability, and performance. Architecture & Integration Integrate software components into cohesive, production-ready systems. Design clear, maintainable API contracts and ensure backward-compatible changes. Optimise low-latency, high-throughput services. Operational Excellence Troubleshoot, debug, and enhance existing systems. Instrument services with metrics, logs, and traces for faster incident resolution. Participate in deployments in line with strict change-control processes. Champion production-ready development through CI/CD gates, feature flags, and safe rollout/rollback strategies. Collaboration & Continuous Improvement Partner with Product, Sales, Trading, Operations, and Data Science teams to deliver business-aligned features. Participate in peer reviews while promoting secure coding and performance best practices. Recommend improvements in architecture, tooling, developer experience, and testing strategy. Contribute to a culture of engineering excellence and innovation. About You You're an engineer who thrives in agile, collaborative environments and enjoys building systems that genuinely influence business outcomes. You bring strong Java expertise, familiarity with Spring/Spring Boot , and a solid understanding of RESTful APIs and microservices . Experience with Kafka , SQL , and frontend technologies like Angular or React will help you shine. And if you have exposure to AI or Machine Learning , even better-that's a bonus our client truly values. Qualifications Bachelor's degree in Computer Science, Engineering, or related field (or equivalent experience). 5-9 years of hands-on professional software development experience. Experience in financial services-particularly within FX Trading -is highly desirable. Strong communication skills and proven success working in agile, cross-functional teams. Join the Team Join a vibrant, forward-thinking engineering group dedicated to pushing the boundaries of technology in financial services. If you're excited to build mission-critical systems that elevate trading performance and user experience, we want to hear from you. Apply now and take the next step in your engineering career! 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. We use generative AI tools to support our candidate screening process. This helps us ensure a fair, consistent, and efficient experience for all applicants. Rest assured, all final decisions are made by our hiring team, and your application will be reviewed with care and attention. Due to the high volume of applications we receive, we are unable to respond to everyone individually. If you do not hear from us within 48 hours of applying, please assume that your application has been unsuccessful on this occasion.

Role: Senior Systems Developer (Python / PostgreSQL) Location: Bury St Edmunds (Hybrid) Salary: Up to 55k DOE A leading UK infrastructure and utilities organisation is looking to hire a Senior Systems Developer to join their growing technology team. This is a fantastic opportunity to play a key role in designing and delivering modern software solutions within a business focused on innovation, sustainability and long-term growth. In this role, you will be responsible for designing, developing and supporting full-stack applications, helping to enhance an established suite of internal systems and integrations. Working closely with product owners, stakeholders and cross-functional teams, you will ensure solutions are robust, scalable and aligned with business needs. You will contribute to software architecture, coding standards and development best practices, while also supporting release management, CI/CD pipelines and continuous improvement across the development lifecycle. As a senior member of the team, you will also help mentor colleagues and share technical knowledge to support wider team success. Key skills include: Strong Python development experience Solid knowledge of SQL / PostgreSQL Experience with JavaScript, HTML, CSS and modern front-end frameworks Familiarity with Git, CI/CD pipelines (Azure DevOps/Jenkins) Experience working in Agile delivery environments What's on offer: Competitive salary, strong pension, generous holiday allowance and hybrid working, alongside excellent career development opportunities. If you're interested please reach out to Fintan at TEC Partners.

PHP DEVELOPER Salary between £35,000 - £45,000 Hybrid role - Lincolnshire Key Skills include: PHP / Laravel / Vue JS / MySQL ABOUT THE CLIENT: My client is a leading Lincolnshire based software house who thrive on the collaboration of their talented team of individuals. They work with a wide range of clients covering a multitude of different sectors and are now looking for a PHP Developer to join them and gain exposure to new technologies and new ways of working. THE BENEFITS: Fun and collaborative culture Company Pension Flexible hours Leading training and development THE PHP DEVELOPER ROLE: You will be working alongside a talented team of developers to produce top of the range software for a diverse and leading range of clients. You will be a strong PHP developer experienced with any MVC framework (ideally Laravel) but also be capable of working full stack with any of the modern JavaScript libraries - they use Vue JS, but any others would also be beneficial. You will be comfortable working off your own initiative but will also be happy to help mentor more junior members of the team on an ad-hoc basis when needed. PHP DEVELOPER - ESSENTIAL SKILLS: 3+ years of industry experience PHP / Laravel / Vue JS / MySQL Teamwork and interpersonal skills TO BE CONSIDERED Please either apply through this advert or emailing me directly via . For further information please call me on / . By applying for this role, you give express consent for us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only. KEY SKILLS: PHP, Laravel, Vue JS, MySQL

Hiring: Full Stack Software Developer | Salesforce + Web | Scotland | 1 day/week on-site | £40,000 - £60,000 DOE I'm working with an international business that is investing heavily in in-house digital platforms and engineering capability. They're looking for a hands-on Full Stack Developer to help build business-critical systems across modern web applications and Salesforce. You don't need to be a Salesforce expert - strong generalist engineering skills and the ability to learn quickly are far more important. Tech environment: JavaScript/TypeScript | React/Vue | Node/Python Salesforce (Apex/LWC) | REST APIs | Containers | Cloud 3-5 years experience What you'll be doing: Building end-to-end features across web apps and Salesforce Developing Lightning Web Components (LWC) Designing REST API integrations between internal systems Contributing to architecture, CI/CD and engineering standards Working closely with the business to turn real processes into software Why it's worth a look: Work on in-house platforms with real global impact Influence architecture and engineering practices Exposure to multiple systems, technologies and business domains Hybrid working with a small, collaborative engineering team If you're a strong full stack developer who enjoys solving complex system problems, APPLY NOW! Hiring: Full Stack Software Developer | Salesforce + Web | Scotland | 1 day/week on-site | £40,000 - £60,000 DOE Oscar Associates (UK) Limited is acting as an Employment Agency in relation to this vacancy. To understand more about what we do with your data please review our privacy policy in the privacy section of the Oscar website.

Join a leading independent technology and services provider as a Java Developer - e-Trading ! Job Overview Join a fast-paced and highly collaborative eFX Quantitative Developer team within Global Markets. You'll help build and enhance a best-in-class eFX trading platform, working closely with quants and traders to drive automation, performance, and revenue. This role sits within the Principal Flow Trading stream and offers hands-on ownership of the full development lifecycle. Location: London (Hybrid) Daily Rate: Flexible Contract Length: Until Dec 2026 Start Date: ASAP Key Responsibilities Develop and enhance a low-latency, high-throughput eFX algorithmic trading platform Own initiatives end-to-end: analysis, design, implementation, delivery Design, implement, and back-test pricing and execution strategies Build analytics to monitor model and platform performance Enhance the proprietary eTrading framework used across Global Markets Collaborate closely with quants, traders, and technology teams in an agile environment Key Requirements Strong business knowledge of electronic trading, ideally eFX Proven experience building low-latency, event-driven algorithmic trading platforms Advanced Java expertise, including lock-free and low-garbage techniques Experience working with quant teams and implementing algorithmic models Familiarity with messaging protocols such as Aeron, Kafka, FIX, SBE, ITCH, OUCH Knowledge of time-series databases (preferably KDB) and Python for analytics Full-stack experience (React) is beneficial for building trader tools and dashboards Additional Information Interview Process: Typically 2 stages - technical interview, system design, and team discussion How to Apply If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us today. 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 Talent Solutions is a trading division of Hays Specialist Recruitment Limited and 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 hays.co.uk

Full Stack Developer | Lancashire (Hybrid | £40,000 - £60,000 DOE + Benefits | Permanent I'm currently working with an established Lancashire-based business that is continuing to invest in its in-house software development team. They're looking to hire two Full Stack JavaScript Developers who will help design, build and maintain the internal platforms, tools and CRM-style systems that support the day-to-day operations of the company. Rather than working on public-facing websites or client projects, the team focuses on building internal software solutions used across the organisation, meaning the work you do will have a direct impact on how the business operates. The Role You'll be joining a collaborative internal development team responsible for maintaining and improving the systems that support multiple departments across the business. The team develops and supports a range of internal platforms designed to streamline workflows, manage data and improve operational efficiency. Your responsibilities will include: Developing Front End applications using JavaScript and Vue.js Building and maintaining Back End services using Node.js Developing and improving internal CRM-style platforms and operational systems Working with Microsoft SQL Server to manage and structure business data Supporting systems hosted within Azure cloud services Designing and consuming REST APIs Writing clean, maintainable code and contributing to testing and documentation Working with internal teams to understand requirements and deliver practical technical solutions Tech Environment The current environment includes: JavaScript Vue.js Node.js Microsoft SQL Server (MSSQL) Azure Cloud Services Git/version control What They're Looking For Strong software development skills with JavaScript and Vue.js Understanding of structured development practices and software design patterns Exposure to Server Side technologies such as Node.js or MSSQL (beneficial but not essential) Experience working with data-driven applications and SQL databases Familiarity with test-driven development Good code quality, documentation and version control practices Strong problem-solving ability and a willingness to learn Why It's Worth a Conversation Hybrid working in Lancashire Opportunity to work on internal platforms that directly impact business operations Modern JavaScript development environment A collaborative engineering team with scope to influence system improvements Long-term investment in internal technology platforms APPLY NOW if this is the role for you! Full Stack Developer | Lancashire (Hybrid | £40,000 - £60,000 + Benefits DOE| Permanent Oscar Associates (UK) Limited is acting as an Employment Agency in relation to this vacancy. To understand more about what we do with your data please review our privacy policy in the privacy section of the Oscar website.

CMC Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance, high-frequency trading platform. This is a hands-on role at the core of our market-making technology stack, where nanoseconds matter and engineering excellence is critical. You'll design and build ultra-low latency pricing and risk systems that directly power our global trading operations. If you thrive in performance-critical environments and want your work to have real market impact, we'd love to hear from you. Ultra-Low Latency Engineering Develop and optimise high-performance Java (21+) systems for pricing, risk and trading. Build and enhance components within a low latency, high-throughput trading architecture. Apply advanced concurrency, memory management and performance tuning techniques. System Design & Ownership Take responsibility for designing scalable, resilient and maintainable systems. Contribute to architectural decisions across the trading and risk platform. Build tooling to improve monitoring, maintenance and performance diagnostics. Trading-Focused Collaboration Work closely with Quants, Financial Engineering, Front Office and Business Operations. Support live trading systems, troubleshooting time-critical production issues. Contribute to the continuous evolution of our electronic trading infrastructure. Mentorship & Technical Leadership Provide guidance and mentorship to junior developers. Champion engineering best practices, clean code principles and robust design patterns. What You'll Bring Strong hands-on Java development experience within low latency financial systems. Deep understanding of performance optimisation, concurrency and JVM internals. Experience working on pricing, risk or electronic trading platforms. Knowledge of FIX protocol, order routing and broker connectivity highly beneficial. Strong mathematical and problem-solving mindset. Experience across asset classes such as FX, Equities, Commodities or Derivatives preferred. Ability to operate calmly in a fast-paced, front-office trading environment. Experience mentoring engineers and influencing technical direction. Minimum 2:1 degree in Computer Science, Mathematics, Physics or another numerate discipline. Why Join CMC Markets? Direct impact on global trading and risk systems. Close proximity to the trading floor and real-time market operations. High-visibility role within a performance-driven engineering culture. Strong focus on continuous learning and technical excellence. Clear progression opportunities into senior technical and leadership roles. CMC Markets is an equal opportunities employer and positively encourages applications from suitably qualified and eligible candidates regardless of gender, sexual orientation, marital or civil partner status, gender reassignment, race, colour, nationality, ethnic or national origin, religion or belief, disability or age.

We are working with a globally recognised, high-growth technology business within the transport sector to recruit an experienced Full Stack Software Developer based in Ashby-de-la-Zouch. This is an exciting job opportunity to join a forward-thinking engineering team working on long-term, innovative projects within a fast-growing market. As a Full Stack Software Developer, you will play a key role in designing, building, and deploying scalable, cloud-based applications that support mission-critical systems. In this job, you will contribute across the full software development lifecycle, from architecture and feature development through to deployment, optimisation, and continuous improvement. Experience required for the Full Stack Software Engineer job based in Ashby-de-la-Zouch: Front-end development using Vue.Js (preferred), React, or Angular TypeScript and JavaScript C# MongoDB and Microsoft SQL .NET 8/9 (APIs and background worker services) Docker / containerisation Cloud deployments (Azure, AWS, etc.) Node.Js Why Apply? Join a rapidly expanding technology business operating at the forefront of transport innovation. Work on impactful, real-world systems Be part of a collaborative, quality-driven engineering culture. Long-term project pipeline offering strong contract stability and extension potential. If you are a Full Stack Developer based in Ashby-de-la-Zouch with strong cloud, .NET, and modern JavaScript framework experience, please send your CV to (url removed) or call Ben on (phone number removed).

Job Title: Full-stack Developer (Contract) Location: London (Hybrid) Duration: 6 months Start Date: ASAP We are looking for an experienced Full-stack Developer for a 6-month contract in London. In this role, you will build and maintain software solutions and take ownership of your projects from start to finish. What You'll Do: Build, test, and deploy new features across the full stack. Write clean, high-quality code and participate in code reviews. Find and fix bugs and solve complex technical problems. Help improve system performance, testing, and monitoring. What You'll Need: 3-5+ years of software development experience. Strong skills in TypeScript/JavaScript and Golang (or Java/Kotlin/C++). Experience with Front End frameworks like Angular or React . A solid understanding of data structures and algorithms. Excellent debugging and problem-solving skills. If you're a skilled developer looking for your next challenge, we'd love to hear from you. Apply now! Randstad Technologies is acting as an Employment Business in relation to this vacancy.

My well known, London based Client is urgently recruiting for a Lead Solutions Architect to join their growing technology team and play a pivotal role in shaping the future of their platforms. The Role As the Lead Solutions Architect, you'll bring a deep understanding of cloud-native technologies, modern application architectures, and DevOps practices to drive the design and delivery of innovative solutions across our organisation. You'll lead by example-guiding engineering teams, setting architectural standards, and ensuring we deliver robust, scalable, and secure applications. What You'll Be Doing Leading the design of end-to-end enterprise solutions across multiple projects and business areas Acting as the design authority and architectural lead for cross-functional development teams Coaching and mentoring engineers and architects to elevate architectural maturity across the business Engaging with stakeholders to translate complex technical challenges into clear, actionable strategies Championing agile, DevOps, and continuous delivery practices to drive quality and speed ? What You'll Bring 10+ years of experience in solution architecture and/or software engineering across a wide range of technologies, languages, and frameworks Proven experience architecting cloud-native enterprise applications in Microsoft Azure (Azure Solution Architect certification or equivalent is a strong plus) Expertise in C# and the .NET ecosystem , delivering robust enterprise-grade applications Hands-on experience designing distributed microservices and event-driven integrations Proficiency with modern web frameworks and technologies such as React, Angular, Vue, JavaScript , SPA/SSR, and REST APIs Experience designing composable architectures (JAMstack, MACH), enabling scalable, API-first, modular solutions Strong understanding of Identity and Access Management standards (OAuth2, OpenID Connect, SAML, Azure AD, Auth0, Okta) Solid background leading Agile/Lean/Continuous Delivery teams Expertise in CI/CD tools and DevOps practices (e.g., GitHub, Azure DevOps) and driving maturity in these areas Excellent communication, coaching, and presentation skills, with the ability to explain technical concepts to varied audiences A creative, innovative mindset with a talent for identifying opportunities and crafting compelling solution strategies The role is 2-3 days per week onsite in London, please only submit your CV if you can be onsite and are happy to be onsite 2-3 days per week and operate inside IR35 and through an umbrella company.This is a fantastic opportunity to work with a great Client and make a difference, please send an up to date CV for an immediate response and more information the role.