Opus Recruitment Solutions Ltd

Mobile Architect / 3-6 months / Fully remote / £450 - £480pd (Inside IR35) I am currently looking for a Mobile Architect to join a consultancy client of ours supporting a global FS company on a 3 month initial contract. This can be completed on a remote basis and has been determined inside IR35. Key skills & experience needed: Provide architecture advice and guidance to the mobile product team Work on high level design, governance and support across the team Report progress to portfolio architect Ideally come from an engineering back ground an able to converse effectively with the mobile engineering team Technical experience across mobile technologies such as IOS, Android, React Native, Flutter For this position we are looking for someone to start asap, so ideally you will be available within a maximum of 2 weeks notice. If interested, please apply with your latest CV and I will be in touch to discuss in more detail. Best,Connor

Lead QA Engineer | Swindon/Hybrid | £65,000 - £70,000 Java | Selenium | AWS | QA Automation | Postman | Cucumber |TDD | BDD | Automation Testing Looking to join a company with lots of progression opportunities? Maybe you want to have autonomy in the testing suite? If so I have a role for you. I am currently supporting a brilliant Fintech company based in Swindon who are looking for a Lead QA Enginee r to join the team. As a Lead QA Engineer your will be leading a small QA Team across multiple squads to ensure strong test coverage. You will also be at the forefront of testing API's in a Microservice environment and driving QA Standards. You will also be acting as escalation point for any regression issues. Tech stack: Java, Selenium, AWS, Postman, Cucumber, SQL Salary is up to £70,000 and there is also a 10% bonus. Other benefits include 25 days holiday+ bank, option to buy 5 days, medical insurance, monthly gym allowance and more. This is a fantastic opportunity for someone looking to progress with their career. If you're a hands on Lead QA with aspirations of growing into a strategic role this one is for you. If you're interested apply to the advert or send your CV to (see below) to apply. Sponsorship isn't available. Java | Selenium | AWS | QA Automation | Postman | Cucumber |TDD | BDD | Automation Testing

I am working with a consultancy who need an actively SC cleared .NET developer to join on a 3month contract (possible extensions).Inside IR35Fully remote3 month contract (possible extensions)All candidates must have ACTIVE SC CLEARANCE Immediate start Essentials:.NET 8 C.NET CoreVisual StudioVisual Studio Code SQL Server within AWS

I am working with a consultancy feeding into a public sector end client, who are on the lookout for an automation test engineer to join a 6 month contract. Inside IR35 Around £400 per day 1x a week in Newcastle Essential skills: Functional and non-functional testing Development and maintenance of automated test suites Test Infrastructure - eg Docker and containerisation TDD and BDD principles CI/CD pipelines Knowledge of Java 11/17/21, plus testing frameworks like Cucumber, Wiremock, REST Assured etc. (and JavaScript equivalents). Front End testing principles. Infrastructure-as-Code testing principles. Terraform, and appropriate testing tools such as Kitchen Testing frameworks such as Cucumber, REST assured, Wiremock

We're working with a funded AI startup that's transforming how tech companies engage with consumers. Following a major client win, they're ramping up platform development and need a Software Engineer to join their fast-paced team.You'll work directly with the CTO/Co-Founder to architect and build scalable solutions. This is a hands-on role ideal for a self-starter who thrives in a startup environment and wants to make a real impact. Location: Oxford (Hybrid - onsite preferred) Duration: 6-12 Months Engagement: Outside IR35 Rate: £400-600/day (DOE) Start Date: ASAP - CVs needed urgently for client meeting tonight! Essential Skills: Proficiency in multiple coding languages: JavaScript, Python, C, Ruby, Java Experience with cloud platforms: AWS, GCP, Azure Background in startups or scale-ups Desirable: Exposure to AI technologies or products

I am working with a consultancy feeding into a Medical end client. Inside IR35 contract2 x a week in CambridgeAround £400 per day Required Skills & Experience: 8+ yrs of experience into QAProven experience as a Test Engineer / QA Engineer in a similar role with strong experience to AI/ML projects.Strong programming skills in Python (pytest, unittest, or other test frameworks).Familiarity with AI/ML frameworks such as TensorFlow, PyTorch, or scikit-learn.Hands-on experience with cloud platforms (AWS, Azure, or GCP) and CI/CD pipelines.Strong problem-solving skills and ability to communicate technical issues clearly. Key Responsibilities: Design and implement test plans for AI/ML applications, APIs, and pipelines.Validate machine learning models, ensuring accuracy, fairness, and robustness.Develop automated testing frameworks for data pipelines, model training, and inference.Perform functional, integration, regression, and performance testing on AI systems.Work closely with Data Scientists and AI Engineers to identify and resolve issues.

Head of Data & Modelling Bristol or Redhill (3 days/week in office,flexible for the right person) £103,000-£120,000 + Car Allowance + Bonus + Health + Pension (up to 16%) Ready to lead a data-driven transformation from the front? As our Head of Data & Modelling , you'll be at the forefront of a bold, data-led evolution,using advanced analytics and cutting-edge technology to shape a smarter, more sustainable future. This is a blank canvas, a chance to define the future of data, drive enterprise-level change, and build a high-performance, insight-led business. I am looking for a Head of Data & Modelling who's a people-first visionary, not a technical wizard, someone who inspires teams, challenges the status quo, and turns complexity into clarity. You'll work closely with the Director of Business Evolution & Innovation and have full autonomy to build, run, and grow your division. As Head of Data & Modelling , you'll be trusted to lead from the front and bring strategy to life across the organisation. What You'll Do: Lead and inspire a high-performing team of data scientists, modellers, and engineers Design and deliver enterprise-wide data and modelling strategy Harness AI, ML, IoT, and GIS to unlock new possibilities Drive decision-making through forecasting and modelling Collaborate across IT, engineering, asset management, and regulatory bodies What You'll Bring: Proven leadership of large teams (up to 100) Experience delivering enterprise-level transformation Comfort with ambiguity and building structure from scratch Familiarity with SQL Server, Power BI, Azure, AWS, SCADA Ability to connect tech, people, and business outcomes You don't need to be the subject matter expert, you need to be the Head of Data & Modelling who brings it all together. If you're excited by challenge, motivated by impact, and ready to make your mark as the next Head of Data & Modelling , I'd love to hear from you. Email - (see below)

Head of Software Development - Hybrid (Basingstoke) - £75k-£90kAre you a hands-on technical leader ready to shape the future of engineering in a scaling tech business? We're looking for a Head of Software Development to lead high-performing teams across Development, QA, DevOps, and Support-driving quality, delivery, and innovation.You'll bring deep technical expertise in .NET Core, C#, Angular/React/Vue, MongoDB, SQL Server, SSIS/SSRS, and enterprise tools like Kendo UI. You'll guide architecture decisions, review code, and ensure robust CI/CD pipelines using tools like GitLab, Jenkins, Azure DevOps. Experience in security-sensitive environments or delivering to regulated financial institutions is a plus.Key Responsibilities:Mentor developers and lead technical reviews to ensure code quality and consistency.Own and evolve technical architecture and engineering operating models.Drive on-time delivery aligned with quarterly release cycles.Collaborate with Product, Delivery, and Sales to align tech execution with business goals.Champion engineering standards, security posture, and audit readiness.Support career development, succession planning, and team growth.This is a hybrid role based in Basingstoke, offering the opportunity to influence engineering culture, mentor senior developers, and evolve into a more senior leadership position. If you're passionate about clean code, scalable systems, and building high-trust teams-this is your next big move.

Software Engineer - Guildford (Onsite) Up to £90,000 + Bonus + Benefits Are you a front-end developer with strong experience in React or Angular , paired with solid C# backend skills? Interested in working with Blazor , Microsoft's modern UI framework? This role offers the chance to work on web applications with a strong front-end focus, using Blazor as the preferred framework for the next few years. If you're a full-stack developer or keen to upskill in Blazor, this could be the perfect opportunity.Join a global leader in advanced modelling and optimisation software for the energy sector. With over 450 clients worldwide and active projects spanning oil & gas, renewables, mining, banking, and finance, this is a unique opportunity to be part of a team driving innovation in real-time decision-making tools.We're hiring multiple Software Engineers to join our Guildford-based team, working on cutting-edge solutions that blend data, modelling, and cloud technologies. What You'll Be Working On Building and testing web applications using real-time data and physical models Designing intuitive user interfaces and deploying cloud-based solutions Collaborating in a hybrid team environment with strong support for growth Contributing to the full product lifecycle-from design to deployment Tech Stack Frontend : Blazor (primary framework), WinForms, WPF, or Angular, React, Vue Backend : C# .NET Cloud & DevOps : Microservices, Docker, REST APIs, CI/CD, Terraform Bonus : Exposure to Machine Learning and AI ? What You'll Bring A degree in Computer Science, Engineering, Maths, or Physical Sciences Solid programming experience with a focus on clean, scalable code Strong attention to detail and a passion for solving complex problems Experience building and maintaining web applications Ability to work to deadlines in a fast-paced, collaborative setting Why Join? Competitive salary up to £90,000 Annual performance-related bonus Pension 10% and Healthcare Interested? Send your CV directly to to find out more and take the next step in your career.

Salesforce Technical Consultant | Contract | 6 months | Remote | £500-£600 per day | Inside IR35 I'm working with a growing Salesforce partner who is seeking a Salesforce Technical Consultant to support a growing portfolio of client projects. This is a hands-on contract role focused on delivering scalable, high-performance Salesforce solutions across complex enterprise environments. You'll work closely with architects, developers, and client stakeholders to design, build, and optimize Salesforce implementations-bringing deep technical expertise and a problem-solving mindset to every engagement. Proven experience as a Salesforce Technical Consultant or Developer (5+ years) Strong proficiency in Apex, Lightning Web Components (LWC), and Salesforce APIs Experience with Salesforce integrations, Middleware, and third-party platforms Solid understanding of Salesforce architecture, security, and data modelling Comfortable working in Agile environments and collaborating with client teams Salesforce certifications (Platform Developer I/II, Integration Architecture Designer) are a plus Salesforce Technical Consultant | Contract | 6 months | Remote | £500-£600 per day | Inside IR35

I am working with a client in the education sector who are looking for a data engineer with experience across architect & strategy to join on a part-time 12 month contract.1-2 days per weekFully remoteOutside IR35Immediate start12 month contract Essential Been to school in the UK Data Ingestion of APIs GCP based (Google Cloud Platform) Snowflake BigQuery DBT Desirable Airflow (Apache Airflow)

Job Title: Power Platform Developer/Low Code Developer Location: Manchester (Hybrid - 2 days per week onsite) IR35 Status: Inside IR35 Start Date: Mid to End of October Overview: We're seeking a highly skilled Power Platform Developer in a contract role who focused on delivering impactful low-code solutions. This is a fantastic opportunity to work on meaningful public sector. Key Responsibilities: Develop and maintain solutions using Power Platform , including: Power Pages Canvas Apps Model-Driven Apps Provide mentorship and guidance to junior developers or team members. Collaborate with stakeholders to understand requirements and deliver robust, scalable solutions. Ideal Candidate: Proven experience in Power Platform development , with strong hands-on skills. Experience with Power Pages is highly desirable. Demonstrates leadership or mentorship qualities. Comfortable working in a hybrid environment (Manchester office 2 days/week). Able to start mid to late October. If you're interested in this role please send your CV to (see below)

I am working with a consultancy feeding into a public sector client, who are looking for multiple test engineers.Inside IR35£350 per dayWeekly travel to Leeds/ Manchester / Newcastle6 month contract REQUIRED/NON-NEGOTIABLE: Selenium and Cucumber, Mockito, JAWS and/or Dragon, WCAG2.2 testing, experience with: Git, AWS stack (e.g. SQS, SNS, Lambda), Microservices, testing experience across both React-based front-end and Node JS-based backend, Swagger

Location: Cambridge (3 days/week on-site) Contract Rate: Up to £590/day (Inside IR35) Start Date: October 2025 Job Type: Contract   Overview: We're hiring experienced and passionate Senior Software Developers to join a cutting-edge AI Core Services team in Cambridge. This is a unique opportunity to help shape the future of AI infrastructure by building scalable, secure, and cloud-native platform services and APIs that will power AI adoption across a global client portfolio. You'll work in a fast-paced, agile environment with a start-up mindset-rapid prototyping, continuous improvement, and a strong focus on production-grade delivery. What You'll Be Working On: Designing and developing AI-enabling platform services and public APIs Building secure, scalable, and standards-compliant cloud-native solutions Collaborating within a Scrum team to deliver innovative AI capabilities Driving rapid prototyping and iterative development cycles AI & Cloud Expertise: Hands-on experience with Large Language Models (LLMs) and understanding of performance vs. cost trade-offs Familiarity with Retrieval-Augmented Generation (RAG) , agent orchestration, prompt engineering, and tool calling Knowledge of AI standards like Model Context Protocol (MCP) and Agent2Agent (A2A) Strong grasp of ML algorithms: regression, classification, clustering, deep learning Awareness of AI ethics and regulations (eg, NIST AI RMF, EU AI Act) Skilled in using AI tools like GitHub Copilot and prompt engineering for development tasks Experience with orchestration tools such as AI Foundry or Semantic Kernel Exposure to automated testing and evaluation of AI outputs Proficiency in Python , PyTorch , and TensorFlow Core Engineering Skills: Proven experience in software engineering, ideally in platform or cloud-native service development Strong background in Microsoft Azure and PaaS services (eg, Azure Functions, AKS, API Management) Expertise in RESTful API design, versioning, and life cycle management Deep understanding of API security, authentication/authorization, and data privacy Excellent problem-solving skills and ability to propose scalable solutions Agile team experience, with strong collaboration across global R&D teams Ability to mentor junior developers and foster a culture of innovation Solid experience with AI frameworks and Python development

DBA - SaaS Platform Supporting Location: Wokingham - Hybrid (2 days a week onsite 3 from home) parking onsite Benefits - £50,000 to £75,000 + Bonus, Life insurance, Health Insurance, Pension If you're a DBA who thrives in high-availability environments and knows what it means to keep mission-critical systems running 24/7this one's for you.We're supporting a healthcare tech platform rolling out a modern EPR system as a SaaS offering to the NHS , and they're looking for an experienced DBA to help scale and support this transformation.You'll join a collaborative team of developers, testers, and sysadmins, and take ownership of performance, reliability, and security across large-scale, sharded databases. This is a hands-on DBA role where your work directly impacts NHS services-so uptime, optimisation, and smart architecture are key. What You'll Be Working With: MySQL , Vitess , and Linux in production (Dont worry if you haven't worked with Vitess) Monitoring tools like Prometheus and Grafana Shard allocation, replication tuning, disk performance Backup, restore, and DR testing Data migrations and custom table loads for NHS tenants Zero-downtime patching and performance baselining What You'll Bring: Proven experience as a DBA managing large, sharded databases Strong MySQL tuning and Linux environment skills Familiarity with monitoring and alerting setups Bonus if you've worked with Vitess, Kubernetes, Helm, Terraform, or ArgoCD Benefits: Bonus 25 days of annual holiday Vitality Healthcare - private health insurance Aviva Life Insurance - 3x your annual salary Pension scheme with 4% employer contribution Town-centre offices in Wokingham Regular social events to connect and unwind Flexible working hours to suit your lifestyle If you're a DBA who loves solving real-world problems, building resilient systems, and making a meaningful impact, this is your kind of role. Apply now or reach out for a chat. Let's talk.

We're on the lookout for a contract Salesforce Architect for an initial 6 months to work for an International Charity. They have a couple implementations lined up (NFP Cloud and Data Cloud), and are looking to get someone in to work alongside their SI in designing their 2025 roadmap. Ideally you would have experience in the following:- Salesforce Architecture (min 5 years)- NFP Cloud- Data CloudDesireable:- NPSPMy client are also on the lookout for Salesforce developers, so if you're open to these sort of roles, or know someone who is please let me know.

Embedded / Firmware Software Developer - C / C++ 5 Days Onsite - Evesham, Worcestershire Powering the Smart Grid Revolution Are you a creative and driven Embedded Software Engineer ready to shape the future of energy technology?Join a dynamic product development team working at the forefront of smart grid innovation . My clients cutting-edge monitoring and control systems are deployed in electricity substations and control rooms worldwide , helping utility providers deliver more reliable, secure, and sustainable power networks.Their looking for a seasoned Embedded/Firmware Developer with a passion for solving real-world engineering challenges. You'll be working hands-on with microcontrollers, embedded Linux, and secure communication protocols to build robust, scalable solutions for the Electricity Distribution Industry and its evolving needs. What You'll Bring: 5+ years of Embedded Software Development experience Strong C/C++ skills Expertise with Microchip PIC and/or STM32 microcontrollers Ability to interpret circuit schematics and use oscilloscopes/logic analysers Experience with Embedded Linux (Buildroot or similar) A strong focus on secure coding practices ? Bonus Skills (Not Essential, But Awesome to Have): RS485, RS232, USB GSM/GPRS/3G, TCP/IP, SSL/TLS OTA firmware updates RTOS (e.g., FreeRTOS), MODBUS, DNP3.0 Automated build/test environments Brushless DC motor control MISRA/C++ standards Why This Role? Be part of a tight-knit, agile team where your ideas matter Work on mission-critical systems that support national infrastructure Enjoy the stability of an established SME with a global footprint Collaborate in a brand-new office and manufacturing facility Due to the nature of the work, this role is 5 days onsite in Evesham. Applicants must have the right to work in the UK.contact to find out more

Enterprise Architect / 3 months / Hybrid (Luton) / £500-£600 (Outside IR35) I am currently looking for an Enterprise/Business Architect to join a consultancy client of ours on an initial 3 month contract. This has been determined outside IR35 and will require you onsite in Luton 1-2 days per week. Skills & experience needed: Strong background in architecture frameworks (e.g., TOGAF, Zachman, or similar). Demonstrated ability to engage with senior business and technical stakeholders across domains. Experience in business impact assessment and translating findings into clear, actionable recommendations. Knowledge of governance, operating models, and international expansion challenges. Previous experience in retail, hospitality, or consumer-facing sectors desirable. For this position we are looking for someone to start ASAP, so you will be available within a maximum of 2 weeks notice. If interested, please apply with your latest CV and I will be in touch to discuss. Best,Connor

I am looking for an infrastructure engineer to join a 6 month contracting within the public sector.Inside IR35Till 13th March 2026Onsite aspect in Newcastle £466 per day Tech stack Minimum 2 years of professional experience in cloud security, specifically within AWS environments, demonstrating a track record of implementing and managing comprehensive security strategies. Experience leading projects with a focus on cloud security, showing capability in managing resources, timelines, and stakeholder expectations. A commitment to continuous professional development, staying abreast of new AWS services, security trends, and techniques in cloud security. Experience and technical skills: AWS Security Services Proficiency: Deep understanding and hands-on experience with AWS security services such as AWS GuardDuty, AWS Inspector, AWS CloudTrail, AWS Config, and Service Control Policies (SCPs). Knowledge of cloud security frameworks, best practices, and industry standards. Familiarity with the AWS Well-Architected Framework, especially the Security Pillar, to build secure and resilient cloud applications Infrastructure as Code (IaC): Experience with IaC tools like AWS CloudFormation or Terraform to automate the deployment of AWS resources securely and efficiently. Identity and Access Management (IAM): Expertise in managing access to AWS services and resources securely, using AWS IAM to control authentication and authorization. Understanding of encryption methods and AWS services related to data encryption both at rest and in transit. Experience with AWS Key Management Service (KMS) and AWS Certificate Manager (ACM). Knowledge of compliance requirements that impact cloud security (e.g., GDPR, HIPAA, SOC 2) and experience in implementing controls to meet these requirements. Ability to design and execute incident response strategies within the AWS cloud, including the use of AWS CloudWatch, AWS Lambda, and other automated response tools.

I am working with a consultancy feeding into the public sector looking for multipke Test Engineers to join a 6 month contract.Inside IR3560% of the week onsite travel Newcastle (negotiable)Key Behaviours: Build and deliver comprehensive, robust, and reliable automated test frameworks and automation suites to provide full coverage of business requirements. Design, build and maintain an effective test infrastructure. Create and maintain appropriate documentation within the test automation code base. Communicate with other teams and share technical resources, knowledge and lessons learned. Experience of working in a multi-disciplinary Agile Team understand Agile delivery principles, methodology and tool. Essential Skills: Test Engineering best practices Functional and non-functional testing Systems integration testing Security testing Performance testing Development and maintenance of automated test suites Test Infrastructure - e.g. Docker and containerisation TDD and BDD principles Micro-service architecture and API testing principles CI/CD pipelines Java 11/17/21and Springboot framework Testing frameworks such as Cucumber, REST assured, Wiremock