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76 developer in test jobs found

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Outside Spy
Apr 17, 2026
Duration not stated
Test Manager at Venesky Brown, Glasgow, £496 per day
£496 per day
Outside Spy Glasgow, Scotland, United Kingdom
Venesky-Brown’s client, a public sector organisation in Glasgow, is currently looking to recruit a Test Manager for an initial 6 month contract with potential to extend on a rate of £496/day (Outside IR35). This role will be remote working for the majority, however, must be willing to come to the Glasgow office as and when required, this may include to collect equipment. Responsibilities: - Work with a small team of Software Developer in Test specialists ensuring test plans are understood, integrated, delivered and automated where possible - Coordinate and manage test schedules - Build and maintain testing artefacts, looking ahead for future opportunities or blockers, and ensuring decisions by teams align with the strategy - Identify operational improvements and work to ensure a stable service that can be enhanced - Anticipate and mitigate against project challenges or risks - Work with and support third parties in providing testing services - Work with the wider...
Outside Spy
Apr 17, 2026
Duration not stated
PHP Developer - Outside IR35 at Sanderson Recruitment, Bristol, £Contract Rate
Outside Spy Bristol, UK
PHP Developer - Payments Migration Rate: £500 per day (Outside IR35) Duration: 6 months Location: Mostly remote - once per month in London or Bristol I am currently working with a leading financial services company to undertake a critical migration of payment functionality from a legacy on-premise PHP monolith into a new AWS-hosted Java microservice owned by a separate engineering team. We are looking for an experienced PHP contractor to own and deliver the PHP-side of the migration, ensuring existing payment journeys are updated to integrate with the new external payment component, while safely decommissioning legacy in-application payment logic. This role sits at the intersection of legacy PHP, payments, and service integration, and requires a strong focus on security, reliability, and seamless user experience. Responsibilities Modify existing PHP payment journeys to redirect or hand off to a new external payment component Implement secure redirect and callback...
Outside Spy
Apr 17, 2026
6 Months or more
Senior Platform Engineer at Hamilton Barnes, United Kingdom, 6 Months, £500 per day
£500 per day
Outside Spy United Kingdom
Senior Platform Engineer - Remote - Outside IR35 - 6 months As Senior Platform Engineer (Integration) in Squad A, you will be the in-house technical authority for all API and integration work across critical BSS/OSS ecosystem. You will own the build, maintenance, and evolution of integration flows connecting Salesforce Communications Cloud, NetAdmin, Nokia/Adtran, billing systems, and new services provisioning pipelines - bringing rigour, repeatability, and platform ownership to an environment that has historically relied on external managed services. This is not a Back Office development role. You will be a senior contributor to the CI/CD pipeline, a guardian of integration quality across squad boundaries, working closely with the Head of OSS/BSS, the Software Solutions Architect, and cross-squad peers to establish the internal integration capability Experience Must Have Skills Minimum 3 years of hands-on API and integration development experience in a...
Outside Spy
Apr 17, 2026
6 Months or more
PHP Developer - Outside IR35 at Sanderson Recruitment Plc, Bristol, 6 Months, £450-£500 per day
£450 - £500 per day
Outside Spy Bristol, UK
PHP Developer - Payments Migration Rate: £500 per day (Outside IR35) Duration: 6 months Location: Mostly remote - once per month in London or Bristol I am currently working with a leading financial services company to undertake a critical migration of payment functionality from a Legacy on-premise PHP monolith into a new AWS-hosted Java microservice owned by a separate engineering team. We are looking for an experienced PHP contractor to own and deliver the PHP-side of the migration, ensuring existing payment journeys are updated to integrate with the new external payment component, while safely decommissioning Legacy in-application payment logic. This role sits at the intersection of Legacy PHP, payments, and service integration, and requires a strong focus on security, reliability, and seamless user experience. Responsibilities Modify existing PHP payment journeys to redirect or hand off to a new external payment component Implement secure redirect and callback...
Outside Spy
Apr 17, 2026
Duration not stated
PHP Developer - Outside IR35 at Sanderson , Bristol, £Contract Rate
Outside Spy Bristol, UK
PHP Developer - Payments Migration Rate: £500 per day (Outside IR35) Duration: 6 months Location: Mostly remote - once per month in London or Bristol I am currently working with a leading financial services company to undertake a critical migration of payment functionality from a legacy on-premise PHP monolith into a new AWS-hosted Java microservice owned by a separate engineering team. We are looking for an experienced PHP contractor to own and deliver the PHP-side of the migration, ensuring existing payment journeys are updated to integrate with the new external payment component, while safely decommissioning legacy in-application payment logic. This role sits at the intersection of legacy PHP, payments, and service integration, and requires a strong focus on security, reliability, and seamless user experience. Responsibilities Modify existing PHP payment journeys to redirect or hand off to a new external payment component Implement...
Outside Spy
Apr 15, 2026
up to 6 Months
Senior Jira Engineer at Trust In Soda, Portsmouth, 3 Months, £Negotiable Rate
Outside Spy Portsmouth, Hampshire, UK
Senior Jira Engineer - SC CLEARED - OUTSIDE IR35 - HIRING ASAP Start date: ASAP Duration: 3 months (Extendable) Location: 1-2 days per week in the Portsmouth office & 3-4 days per week remote working Rate: £480 - £492 per day OUTSIDE IR35 SECURITY CLEARANCE REQUIRED Summary As the Jira Engineer, you will need to deliver the following outcome(s): Implement Service Architecture design plans, build out the JSM environment. Test, and iterate based on user needs Top 3 Skills: Adaptable Problem-Solver. Since you will be handling everything from L1 support to L3 engineering in a growing environment, you must be comfortable pivoting between routine maintenance and complex solution design without losing momentum. You will work across the team ensuring Jira solutions are integrated seamlessly into the wider programme. User-Centred. By prioritising the developer experience, you will build intuitive service wrappers and support tools that truly empower teams...
Outside Spy
Apr 13, 2026
up to 6 Months
Frontend Developer at Arrows Group Professional Limited, London, 3 Months, £500-£550 per day
£500 - £550 per day
Outside Spy London, UK
Frontend Developer - Typescript - React - TDD - Up to £550 per day (Outside IR35) - Hybrid - 3 month contract - Immediate Starters We're a mission-driven tech company that builds products to help people make confident decisions about their finances and everyday services. They are looking for a strong Frontend Developer who is excited about working with new technologies and has hands on commercial experience Typescript and React Essential Skills: Strong commercial experience with Typescript. Experience configuring, deploying, and monitoring applications on AWS. TDD (Test-Driven Development) experience. Comfortable working with relational and NoSQL databases, including complex queries and performance optimization. Solid understanding of web design patterns, including SOLID principles. Experience working in an agile, collaborative environment. Familiarity with automated testing and CI/CD pipelines. The interview process is already underway, so if this opportunity is a...
Outside Spy
Apr 13, 2026
6 Months or more
Senior Platform Engineer at Hamilton Barnes, United Kingdom, 6 Months, £500 per day
£500 per day
Outside Spy United Kingdom
Senior Platform Engineer - Remote - Outside IR35 - 6 Months As Senior Platform Engineer (Integration) in Squad A, you will be the in-house technical authority for all API and integration work across LightSpeed's critical BSS/OSS ecosystem. You will own the build, maintenance, and evolution of integration flows connecting Salesforce Communications Cloud, NetAdmin, Nokia/Adtran, billing systems, and new services provisioning pipelines - bringing rigour, repeatability, and platform ownership to an environment that has historically relied on external managed services. This is not a back-office development role. You will be a senior contributor to the CI/CD pipeline, a guardian of integration quality across squad boundaries, and a key player in LightSpeed's journey to Engineering Maturity - working closely with the Head of OSS/BSS, the Software Solutions Architect, and cross-squad peers to establish the internal integration capability LightSpeed needs to scale. Experience...
Outside Spy
Apr 09, 2026
6 Months or more
Lead Android Mobile Engineer at Mindera, London, £Contract Rate Outside Ir35
Outside Spy Hybrid (Paddington, London, UK)
Here at Mindera we are continuously developing a fantastic team and would love it for you to join us! As an Android Developer you will be creating fast, fluid, responsive and reliable mobile applications that provide our customers with a rewarding experience. You’ll have an opportunity to participate in the whole development cycle, using modern technologies, architectures and processes. When you join Mindera we welcome you into a  fun and politics-free  work culture, built on the principles of  lean and self-organisation .   Please note: This position requires you to work on client-site in Paddington, London, three times a week. This is an initial six month contract position that sits outside IR35. Requirements You rock at Kotlin Java Jetpack Compose Coroutines (or RxJava); Software Architecture (MVVM or similar); Unit testing and UI tests; XML Being self-driven and working with little supervision towards a...
Outside Spy
Apr 17, 2026
Duration not stated
PHP Developer at AgileGrid Solutions, United Kingdom, £Contract Rate
Outside Spy United Kingdom
About The Company Sanderson Recruitment is a reputable and dynamic recruitment agency specializing in delivering tailored staffing solutions across various industries. With a strong focus on technology, finance, and professional services, Sanderson Recruitment prides itself on connecting top-tier talent with leading organizations. Our commitment to excellence, integrity, and understanding client needs has established us as a trusted partner in the recruitment industry. We strive to foster long-term relationships with both clients and candidates, ensuring a seamless recruitment experience that aligns with strategic business goals. About The Role We are currently seeking a highly skilled PHP Developer to join a critical project involving payments migration for a prominent financial services company. The primary focus of this role is to facilitate the migration of existing payment functionalities from a legacy PHP monolith to a modern, AWS-hosted microservice architecture...
Outside Spy
Apr 17, 2026
Duration not stated
System Engineer at Matchtech, London Area, £Contract Rate
Outside Spy London Area, United Kingdom
Systems Engineer – Aviation Technology Contract Outside IR35 Remote (UK) Regular travel to Manchester & London Are you a Systems Engineer who thrives in fast‑paced, mission‑critical environments? Do you want to work on cutting‑edge technology that directly improves the safety, security, and efficiency of airport operations worldwide? We’re recruiting a Systems Engineer to join a highly skilled engineering team delivering innovative Digital Airport and Remote Tower solutions at the forefront of aviation technology. This is a high‑energy role where technical excellence, ownership, and collaboration are key. The Role Reporting to the Engineering Lead (Europe), you’ll work closely with senior technical and operational leaders to design, deploy, and support complex systems used in live airport environments. You’ll be involved end‑to‑end — from requirements and design through installation, testing, optimisation, and continuous improvement. Key...
Outside Spy
Apr 17, 2026
Duration not stated
Cloud Engineer (AWS + GO) at Avensys Consulting UK, London Area, £Contract Rate
Outside Spy London Area, United Kingdom
Role: AWS Engineer + Go programming Location :London Contract : 6 Months + Extension Type : outside IR35 Maintain and improve AWS cloud infrastructure for 24/7 bank operations, focusing on stability, performance, security, and compliance Enhance connectivity between AWS accounts, client, and third parties to ensure secure and reliable customer experiences Design and create automation scripts and tooling using Bash, Python, or Go Build and support cloud platforms for application developers, improving SDLC and developer experience Manage vendor relationships and coordinate project efforts across business areas Participate in on-call rotation to support platform reliability Required Qualifications, Capabilities, and Skills: Hands-on experience with AWS and infrastructure as code (Terraform) Understanding of AWS networking concepts Analytical and problem-solving abilities Working knowledge of Kubernetes cluster operations (EKS) Experience with...
Outside Spy
Apr 17, 2026
Duration not stated
Contract Lead JavaScript Developer at Opus Recruitment Solutions, United Kingdom, £500 per day
£500 per day
Outside Spy United Kingdom
🔥 Contract Lead JavaScript Developer 📜 Outside IR35 💸 £500p/d 🏡 Fully Remote (UK) ⏳ 12 Months Opus is partnered with an early‑stage start‑up embarking on a true 0→1 platform build . They’re looking for a Contract Lead JavaScript Developer to take ownership of the architecture, define the tech stack, and build a high‑performing engineering team from the ground up. This is a hands‑on technical leadership role where you’ll shape the platform, influence product direction, and be central to discovery through to delivery. If you thrive in ambiguity, enjoy greenfield builds, and want genuine ownership — this one’s for you 🚀 🔍 What You’ll Be Doing Leading a full 0–1 build for a start‑up platform Defining and owning the JavaScript-based tech stack Architecting a scalable, cloud‑native system Hands‑on development across frontend & backend Playing a key role in the discovery phase , shaping technical decisions Driving best practices...
Outside Spy
Apr 17, 2026
Duration not stated
Business Analyst at Innova Recruitment, Liverpool, £450 per day
£450 per day
Outside Spy Liverpool, England, United Kingdom
Business Analyst (IT / Systems Transformation) – Contract (Outside IR35) 8 Month Contract - Liverpool (2 days onsite) £450 per day We are supporting a UK-based organisation within the financial/payments sector as they continue to modernise their internal systems. They are looking for an experienced Business Analyst with a strong IT and systems focus to support a key transformation programme, replacing a legacy platform and improving how critical financial processes are managed. The Role This is a hands-on Business Analyst role working across the full delivery lifecycle from final stages of discovery through to delivery, testing, and migration. You will be working closely with technical teams, supporting the build and ensuring that system changes align with defined business and regulatory requirements. Key responsibilities include: Supporting the final stages of discovery and requirements refinement Working closely with developers to...
Outside Spy
Apr 17, 2026
Duration not stated
Contract Lead JavaScript Developer at Opus Recruitment Solutions, UK, £500 to £550 per Day
£500 - £550 per day
Outside Spy United Kingdom
🔥  Contract Lead JavaScript Developer 📜  Outside IR35 💸  £500–£550p/d 🏡  Fully Remote (UK) ⏳  12 Months Opus is partnered with an  early‑stage start‑up  embarking on a true  0→1 platform build . They’re looking for a  Contract Lead JavaScript Developer  to take ownership of the architecture, define the tech stack, and build a high‑performing engineering team from the ground up. This is a hands‑on  technical leadership role  where you’ll shape the platform, influence product direction, and be central to discovery through to delivery. If you thrive in ambiguity, enjoy greenfield builds, and want genuine ownership — this one’s for you 🚀 🔍  What You’ll Be Doing Leading a full  0–1 build  for a start‑up platform Defining and owning the  JavaScript-based tech stack Architecting a scalable, cloud‑native system Hands‑on development across frontend & backend Playing a key role in the  discovery phase , shaping technical decisions Driving best practices around...
Outside Spy
Apr 17, 2026
6 Months or more
Senior Software Engineer at Formula Recruitment, London, 6 Months, to £475 per day Outside IR35
£375 - £475 per day
Outside Spy London, UK
Contract role: Senior Software Engineer: Up to £475 per day Outside IR35: 6 months rolling: Hybrid Monthly (London) An innovative digital consultancy is looking for experienced Senior Software Engineers to design and architect scalable, high-performance systems for a cutting-edge platform being developed for a major client. In this role, you'll tackle complex technical challenges as part of an agile team following Scrum methodologies. As a Senior Software Engineer, you'll set the standard for code quality and best practices, actively contributing to code reviews and collaborative programming sessions with your team. As a Senior Software Engineer, you will be experienced with: C#, .Netcore JavaScript, React.js AWS or Azure Key information: Up to £475 per day Outside IR35 6 months rolling Hybrid Monthly (London) This is an exciting opportunity for a Senior Software Engineer to join a high-performing development team. Contract role: Senior Software...
Outside Spy
Apr 17, 2026
6 Months or more
Contract Lead JavaScript Developer at Opus Recruitment Solutions Ltd, United Kingdom, 52 Weeks, £500-£550 per day
£500 - £550 per day
Outside Spy United Kingdom
Contract Lead JavaScript Developer Outside IR35 £500-£550p/d Fully Remote (UK) 12 Months Opus is partnered with an early stage start up embarking on a true 0 1 platform build . They're looking for a Contract Lead JavaScript Developer to take ownership of the architecture, define the tech stack, and build a high performing engineering team from the ground up. This is a hands on technical leadership role where you'll shape the platform, influence product direction, and be central to discovery through to delivery. If you thrive in ambiguity, enjoy greenfield builds, and want genuine ownership - this one's for you What You'll Be Doing Leading a full 0-1 build for a start up platform Defining and owning the JavaScript-based tech stack Architecting a scalable, cloud native system Hands on development across Front End & Back End Playing a key role in the discovery phase , shaping technical decisions Driving best practices around architecture,...
Outside Spy
Apr 17, 2026
6 Months or more
Platform Engineer at Hamilton Barnes, United Kingdom, 6 Months, £500 per day
£500 per day
Outside Spy United Kingdom
Platform Engineer - Outside IR35 - Remote - 6 months You will be an integral member of Squad A, working alongside the Senior Platform Engineer to deliver and maintain the integration layer that connects BSS/OSS systems. Mid-transformation - moving from vendor-managed, outsourced integration to a fully in-house engineering capability - and your contributions will matter from day one. The integrations you build and maintain are what connect Salesforce Communications Cloud to billing systems, provisioning pipelines, the NetAdmin network configuration platform, and ultimately to the customers getting connected across the UK. Must Have Skills Experience Minimum 18 months of hands-on integration or API development experience in a professional delivery environment - working on real platform implementations with production consequence, not solely academic or training exercises Solid REST API fundamentals - HTTP methods, status codes, JSON/XML payload structures - with...
Outside Spy
Apr 16, 2026
Duration not stated
Power BI - Data Modeller at TechNET IT Recruitment Ltd, Moreton-In-Marsh, £Contract Rate
Outside Spy Moreton-In-Marsh, England, United Kingdom
Power BI Developer / Data Modelling Specialist Moreton-in-Marsh (Onsite) (Outside IR35) Start: 28 April | 3–6 Month Contract We’re working with an operationally complex, multi-site business seeking an experienced Power BI Developer / Data Modelling Specialist to support a high-impact data transformation project. This is a fantastic opportunity to play a key role in shaping how data is used across the organisation, delivering insights that drive performance, efficiency, and decision-making. The Role You’ll be responsible for designing and delivering high-quality Power BI reporting solutions, working closely with stakeholders across operations, finance, sales, and marketing. This role combines hands-on dashboard development , data modelling , and stakeholder engagement , with a strong focus on delivering actionable insights. Key Responsibilities Design and build visually engaging Power BI dashboards Develop and optimise data models and semantic...
Outside Spy
Apr 16, 2026
Duration not stated
JavaScript Developer, React focused, Product Engineer (Contract) | React, TypeScript, Node.js, AWS | Product-Led Delivery | £400-450/day | Outside IR35 | Fully Remote (UK) | 6-Month Contract at Owen Thomas | B Corp™, United Kingdom, £400-£450 per day
£400 - £450 per day
Outside Spy Remote (United Kingdom)
JavaScript Developer, React focused, Product Engineer (Contract) | React, TypeScript, Node.js, AWS | Product-Led Delivery | £400-450/day | Outside IR35 | Fully Remote (UK) | 6-Month Contract We’re hiring multiple Senior Product Engineers (contractors) with strong frontend or full-stack capabilities to join a large-scale public sector transformation programme. This role focuses on building modern, user-centric digital products as part of cross-functional teams spanning product, design, and engineering. You’ll be working on high-impact platforms, delivering intuitive, scalable web applications used by a wide range of users. This is a 6-month initial contract, ideal for engineers who combine strong frontend expertise with product thinking and a pragmatic approach to delivery. The Role | JavaScript Developer, React focused, Product Engineer (Contract) | React, TypeScript, Node.js, AWS | Product-Led Delivery | £400-450/day | Outside IR35 | Fully Remote (UK) |...
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