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        209



        19 Contract API jobs in Romsey + 20 miles

        Senior Software Developer

        Spectrum It Recruitment Limited
        Southampton (SO14)
        £65000 - £70000 per annum + Bonus & Benefits
        Experience creating RESTful APIs and ensuring API extensibility
        Experience creating RESTful APIs and ensuring API extensibility

        Software Programme Manager

        System Recruitment
        Lymington (SO41), SO41 9AZ
        £350 - £550 per day + open to negotiation
        Key Skills: Software, Technical Programme Manager, Software Developer, Software Engineer, C, Linux, API, VM/Docker, OnPrem/Cloud, * API definition, consistency, suitability and validation
        Key Skills: Software, Technical Programme Manager, Software Developer, Software Engineer, C, Linux, API, VM/Docker, OnPrem/Cloud, * API definition, consistency, suitability and validation
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        FEATURED

        Software Developer

        Spectrum It Recruitment Limited
        Southampton (SO14)
        £50000 - £70000 per annum
        Backend API development, ideally with Express, Nest.js or similar
        Backend API development, ideally with Express, Nest.js or similar
        NEW

        Technical Architect

        Data Careers
        Abbotts Ann, Andover (SP11), SP11
        £100000 - £120000 per annum
        Permanent - Location: Home / Andover (onsite 2 days a week) Salary: £100,000 - £120,000 (+ benefits) Skills: Technical Architecture, Azure/AWS, DevOps, Secure Development, Microservices, APIs, SC Clearance - We are looking to recruit an SC Cleared Technical Architect for a leading technology consultancy. This is a high-impact role, working across the full delivery lifecycle to design and deliver complex, secure, and scalable solutions aligned to business and technical strategy. Location: Andover (2 days per week onsite) Clearance: Active SC required - Key Responsibilities * Own the technical design of large and complex systems * Provide architecture governance and technical leadership across delivery teams * Collaborate with multi-disciplinary teams to ensure solutions meet business and technical needs * Define and apply architecture principles, standards and best practice
        Permanent - Location: Home / Andover (onsite 2 days a week) Salary: £100,000 - £120,000 (+ benefits) Skills: Technical Architecture, Azure/AWS, DevOps, Secure Development, Microservices, APIs, SC Clearance - We are looking to recruit an SC Cleared Technical Architect for a leading technology consultancy. This is a high-impact role, working across the full delivery lifecycle to design and deliver complex, secure, and scalable solutions aligned to business and technical strategy. Location: Andover (2 days per week onsite) Clearance: Active SC required - Key Responsibilities * Own the technical design of large and complex systems * Provide architecture governance and technical leadership across delivery teams * Collaborate with multi-disciplinary teams to ensure solutions meet business and technical needs * Define and apply architecture principles, standards and best practice
        more
        NEW

        Technical Architect

        Data Careers
        Abbotts Ann, Andover (SP11), SP11
        £100000 - £110000 per annum
        Permanent - Location: Home / Andover (onsite 2 days a week) Salary: £100,000 - £110,000 (+ benefits) Skills: Technical Architecture, Azure/AWS, DevOps, Secure Development, Microservices, APIs, SC Clearance - We are looking to recruit an SC Cleared Technical Architect for a leading technology consultancy. This is a high-impact role, working across the full delivery lifecycle to design and deliver complex, secure, and scalable solutions aligned to business and technical strategy. Location: Andover (2 days per week onsite) Clearance: Active SC required - Key Responsibilities * Own the technical design of large and complex systems * Provide architecture governance and technical leadership across delivery teams * Collaborate with multi-disciplinary teams to ensure solutions meet business and technical needs * Define and apply architecture principles, standards and best practice
        Permanent - Location: Home / Andover (onsite 2 days a week) Salary: £100,000 - £110,000 (+ benefits) Skills: Technical Architecture, Azure/AWS, DevOps, Secure Development, Microservices, APIs, SC Clearance - We are looking to recruit an SC Cleared Technical Architect for a leading technology consultancy. This is a high-impact role, working across the full delivery lifecycle to design and deliver complex, secure, and scalable solutions aligned to business and technical strategy. Location: Andover (2 days per week onsite) Clearance: Active SC required - Key Responsibilities * Own the technical design of large and complex systems * Provide architecture governance and technical leadership across delivery teams * Collaborate with multi-disciplinary teams to ensure solutions meet business and technical needs * Define and apply architecture principles, standards and best practice
        more

        Principal Software Engineer - Python

        Parent TEST TJ Company 1
        Chandler's Ford, Eastleigh (SO53), SO53 3QB
        65000
        Title:Principal Software Engineer Python - Department:Procode IT - Location:Hybrid Commutable distance of either Chandlers Ford or Oxford - Salary:Circa £65k +DiscretionaryBonus Scheme - Sponsorship:Unfortunately, we are unable to offer sponsorship for this role - Ifyou'rea Principal Software Engineer, who enjoys architecting complex systems, owning technical decisions, and crafting Python-powered solutions that make a real impact to customers, then this might be the role for you! Step into a role where your technical vision truly shapes the future! About us - We are a leading UK technology company delivering transformative, data driven solutions for the energy sector and beyond. With two decades of experience, we help organisations unlock the power of smart data to improve efficiency, reduce cost to serve, and enhance customer experience.
        Title:Principal Software Engineer Python - Department:Procode IT - Location:Hybrid Commutable distance of either Chandlers Ford or Oxford - Salary:Circa £65k +DiscretionaryBonus Scheme - Sponsorship:Unfortunately, we are unable to offer sponsorship for this role - Ifyou'rea Principal Software Engineer, who enjoys architecting complex systems, owning technical decisions, and crafting Python-powered solutions that make a real impact to customers, then this might be the role for you! Step into a role where your technical vision truly shapes the future! About us - We are a leading UK technology company delivering transformative, data driven solutions for the energy sector and beyond. With two decades of experience, we help organisations unlock the power of smart data to improve efficiency, reduce cost to serve, and enhance customer experience.
        more
        NEW

        Application Support Engineer

        Spectrum It Recruitment Limited
        Fareham (PO14)
        £30000 - £35000 per annum + Benefits
        Hybrid Working - Fareham, Hampshire £30,000 - £35,000 - We're looking for a driven Application Support Engineer to join my client and help deliver exceptional support for business-critical applications. If you enjoy problem-solving, working with clients, and collaborating with developers to deliver real solutions-this could be the role for you. What You'll Be Doing * Providing technical support and resolving application issues within agreed SLAs * Troubleshooting and managing client tickets from start to resolution * Working closely with stakeholders, analysts, and developers * Communicating clearly with clients and delivering excellent customer service * Gathering requirements for system changes (RFCs) and supporting their delivery * Testing, documenting, and supporting application updates * Assisting with debugging and implementing improvements (training provided)
        Hybrid Working - Fareham, Hampshire £30,000 - £35,000 - We're looking for a driven Application Support Engineer to join my client and help deliver exceptional support for business-critical applications. If you enjoy problem-solving, working with clients, and collaborating with developers to deliver real solutions-this could be the role for you. What You'll Be Doing * Providing technical support and resolving application issues within agreed SLAs * Troubleshooting and managing client tickets from start to resolution * Working closely with stakeholders, analysts, and developers * Communicating clearly with clients and delivering excellent customer service * Gathering requirements for system changes (RFCs) and supporting their delivery * Testing, documenting, and supporting application updates * Assisting with debugging and implementing improvements (training provided)
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        Senior Software Engineer - Location: Near Winchester - Salary: Up to £65,000 - Clearance: Must hold SC Clearance and be eligible for DV - To Apply: Email - Overview - A leading technology organisation within the defence and national security sector is seeking a Senior Software Engineer to join a growing engineering team near Winchester. This is an opportunity to work on secure, mission-critical systems using modern cloud-native technologies within a collaborative and highly technical environment. The team delivers innovative software solutions across complex programmes supporting national security and defence operations. Key Responsibilities * Design, develop, and maintain scalable software solutions * Collaborate within Agile engineering teams to deliver high-quality products * Build and support cloud-native applications and infrastructure
        Senior Software Engineer - Location: Near Winchester - Salary: Up to £65,000 - Clearance: Must hold SC Clearance and be eligible for DV - To Apply: Email - Overview - A leading technology organisation within the defence and national security sector is seeking a Senior Software Engineer to join a growing engineering team near Winchester. This is an opportunity to work on secure, mission-critical systems using modern cloud-native technologies within a collaborative and highly technical environment. The team delivers innovative software solutions across complex programmes supporting national security and defence operations. Key Responsibilities * Design, develop, and maintain scalable software solutions * Collaborate within Agile engineering teams to deliver high-quality products * Build and support cloud-native applications and infrastructure
        more
        QA Engineer (Junior-Mid Level) Location: Fareham, Hampshire (Full-Time, On-Site) Salary: £30,000 - £40,000 - I'm partnering with a fast-growing pet-tech business building smart, connected products used by hundreds of thousands of pet owners globally. As they scale, they're looking to hire a QA Engineer to play a key role in ensuring the quality and reliability of their products. The Opportunity - This role is well-suited to a junior to mid-level QA Engineer looking to develop in a product-focused environment. You'll work across mobile (Flutter), web applications, and internal tools, with a strong emphasis on manual testing and a clear pathway into automation or development. You'll collaborate closely with engineering and design teams, contributing directly to the quality of features before they reach end users. Key Responsibilities
        QA Engineer (Junior-Mid Level) Location: Fareham, Hampshire (Full-Time, On-Site) Salary: £30,000 - £40,000 - I'm partnering with a fast-growing pet-tech business building smart, connected products used by hundreds of thousands of pet owners globally. As they scale, they're looking to hire a QA Engineer to play a key role in ensuring the quality and reliability of their products. The Opportunity - This role is well-suited to a junior to mid-level QA Engineer looking to develop in a product-focused environment. You'll work across mobile (Flutter), web applications, and internal tools, with a strong emphasis on manual testing and a clear pathway into automation or development. You'll collaborate closely with engineering and design teams, contributing directly to the quality of features before they reach end users. Key Responsibilities
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        We're working with a leading software provider specialising, who is seeking a Professional Services Consultant with strong SQL and software implementation experience to join its growing team. This role combines software configuration, SQL scripting, application support, testing, and customer-facing delivery. Key Responsibilities * Configure and implement software solutions and workflow systems * Write and execute SQL queries and data scripts * Support software testing, UAT and issue resolution * Deliver customer training and software support * Work with XML/XSLT and system configuration tools * Provide go-live and post-implementation support * Liaise with customers and internal technical teams - Essential Skills * Experience in software implementation, application support, or professional services * Strong SQL skills (SQL Server preferred) * Customer-facing technical experience
        We're working with a leading software provider specialising, who is seeking a Professional Services Consultant with strong SQL and software implementation experience to join its growing team. This role combines software configuration, SQL scripting, application support, testing, and customer-facing delivery. Key Responsibilities * Configure and implement software solutions and workflow systems * Write and execute SQL queries and data scripts * Support software testing, UAT and issue resolution * Deliver customer training and software support * Work with XML/XSLT and system configuration tools * Provide go-live and post-implementation support * Liaise with customers and internal technical teams - Essential Skills * Experience in software implementation, application support, or professional services * Strong SQL skills (SQL Server preferred) * Customer-facing technical experience
        more
        FEATURED
        Introduction - Saab UK is part of Scandinavia's largest defence company, bringing together the best of Swedish and British innovation. Saab offers world-leading solutions and services in defence, aviation, space, and civil security to keep people and society safe. Our UK presence has been growing at pace, meaning we can offer a wide range of opportunities for personal fulfilment and career growth. We currently employ over 600 people across eight sites in the UK, and our specialisations include software engineering, underwater robotics, radars, AI, and armed forces training. This is an initial 6 month contract role within our UK IT Business Unit. The IT Solution Architect will be responsible for designing and implementing technology solutions that align with business objectives and technical requirements.
        Introduction - Saab UK is part of Scandinavia's largest defence company, bringing together the best of Swedish and British innovation. Saab offers world-leading solutions and services in defence, aviation, space, and civil security to keep people and society safe. Our UK presence has been growing at pace, meaning we can offer a wide range of opportunities for personal fulfilment and career growth. We currently employ over 600 people across eight sites in the UK, and our specialisations include software engineering, underwater robotics, radars, AI, and armed forces training. This is an initial 6 month contract role within our UK IT Business Unit. The IT Solution Architect will be responsible for designing and implementing technology solutions that align with business objectives and technical requirements.
        more

        DevSecOps Engineer

        FBI &TMT
        Romsey (SO51)
        £80000.00 - £110000.00 per annum + Depending on experience
        Hybrid - 3 days a week - Due to the nature the Company and work must be eligible for UK Security Clearance (SC) We are working with a leading UK technology and engineering organisation at the forefront of national security, defence, and advanced innovation. They deliver mission-critical solutions that give customers a decisive information advantage in complex, high-stakes environments. They are now seeking a DevSecOps Engineer to join a specialist team tackling some of the most challenging problems in modern technology spanning across cloud, security, automation, and AI/ML operations. * Securely updating deployed systems in sensitive environments * Scaling and maintaining resilient platforms under operational pressure * Applying DevSecOps and SRE principles to mission-critical systems - Required responsibilities * Drive end-to-end DevSecOps best practice across the SDLC
        Hybrid - 3 days a week - Due to the nature the Company and work must be eligible for UK Security Clearance (SC) We are working with a leading UK technology and engineering organisation at the forefront of national security, defence, and advanced innovation. They deliver mission-critical solutions that give customers a decisive information advantage in complex, high-stakes environments. They are now seeking a DevSecOps Engineer to join a specialist team tackling some of the most challenging problems in modern technology spanning across cloud, security, automation, and AI/ML operations. * Securely updating deployed systems in sensitive environments * Scaling and maintaining resilient platforms under operational pressure * Applying DevSecOps and SRE principles to mission-critical systems - Required responsibilities * Drive end-to-end DevSecOps best practice across the SDLC
        more

        QA Analyst

        Hays
        Southampton (SO14)
        £55000.0 - £60000.0 per annum + £60,000
        You will have extensive experience across user acceptance testing, regression, end-to-end and API testing, as well as working with data at a SQL level where required.
        You will have extensive experience across user acceptance testing, regression, end-to-end and API testing, as well as working with data at a SQL level where required.
        more

        Java Developer

        Brunswick Group Services Limited
        Southampton, Hampshire
        Competitive
        Supporting the JAVA platform and having a full understanding of all the integrations that interact with the platform will be key to this role, so having good experience with integrated platforms (Headless/API) is essential. * Developing Integrated solutions (API, Web Services)
        Supporting the JAVA platform and having a full understanding of all the integrations that interact with the platform will be key to this role, so having good experience with integrated platforms (Headless/API) is essential. * Developing Integrated solutions (API, Web Services)
        more
        AI is changing how software is built - join a team leveraging its capabilities. Full Stack Developer - AI-first approach Location - Onsite in Southampton, Hampshire. Tech - JavaScript, TypeScript, AI (Claude. This is your opportunity to join a growing digital technology specialist as a Full Stack Developer using AI daily to improve speed, quality and customer outcomes. This role is ideal for someone who is comfortable moving between frontend, backend, data, and web, and who is already using AI tools as part of their day-to-day development workflow. You'll be working in a pragmatic, collaborative environment where developers take ownership of features from concept through to deployment, and where modern tooling and AI-assisted development are actively encouraged. What You'll Be Doing Building and maintaining features end-to-end, from UI through to APIs, databases, and ...
        AI is changing how software is built - join a team leveraging its capabilities. Full Stack Developer - AI-first approach Location - Onsite in Southampton, Hampshire. Tech - JavaScript, TypeScript, AI (Claude. This is your opportunity to join a growing digital technology specialist as a Full Stack Developer using AI daily to improve speed, quality and customer outcomes. This role is ideal for someone who is comfortable moving between frontend, backend, data, and web, and who is already using AI tools as part of their day-to-day development workflow. You'll be working in a pragmatic, collaborative environment where developers take ownership of features from concept through to deployment, and where modern tooling and AI-assisted development are actively encouraged. What You'll Be Doing Building and maintaining features end-to-end, from UI through to APIs, databases, and ...
        more

        DevSecOps Engineer

        Roke Manor Research Limited
        Romsey, Hampshire
        Competitive
        Roke, Roke Manor, Romsey, Hampshire, United Kingdom Job Description Posted Tuesday, 12 May 2026, 19:00 - Great ideas come from different minds. Thats why we bring together engineers, scientists, analysts, and creatives from every background and give them the trust, tools, and freedom to make a difference. What connects us is the mission: solving meaningful problems and building capability that protects what matters most. And as the challenges evolve, so do we working on the technologies that will shape tomorrow, not just today. About Roke - The Opportunity - Roke are now looking for a passionate DevSecOps Engineer with Software Development experience to become an aggregated part of our Defence Information Advantage team. Innovation is at the core of what we do. You will be encouraged to contribute to Rokes innovation process by devising ideas for products/ techniques, developing ...
        Roke, Roke Manor, Romsey, Hampshire, United Kingdom Job Description Posted Tuesday, 12 May 2026, 19:00 - Great ideas come from different minds. Thats why we bring together engineers, scientists, analysts, and creatives from every background and give them the trust, tools, and freedom to make a difference. What connects us is the mission: solving meaningful problems and building capability that protects what matters most. And as the challenges evolve, so do we working on the technologies that will shape tomorrow, not just today. About Roke - The Opportunity - Roke are now looking for a passionate DevSecOps Engineer with Software Development experience to become an aggregated part of our Defence Information Advantage team. Innovation is at the core of what we do. You will be encouraged to contribute to Rokes innovation process by devising ideas for products/ techniques, developing ...
        more

        376 exact matches jobs are outside your preferred location

        Senior Full Stack Developer (TypeScript / Vue.js / C# / .NET) Fully Remote (UK-based) Contract Outside IR35 - Long-Term Contract - Competitive Day Rate - Were working with a well-established organisation undergoing a major platform transformation programme, and theyre looking to add an experienced Full Stack Developer to the team. This role will suit someone who enjoys owning features end-to-end, with strong frontend expertise while remaining comfortable working across APIs, databases, and backend services in a modern environment. What Youll Be Doing * Developing and enhancing customer-facing platforms and transactional systems * Building modern applications using Vue.js and TypeScript * Working closely with product, QA, and engineering teams to deliver new features * Investigating and resolving production issues across frontend, APIs, and databases
        Senior Full Stack Developer (TypeScript / Vue.js / C# / .NET) Fully Remote (UK-based) Contract Outside IR35 - Long-Term Contract - Competitive Day Rate - Were working with a well-established organisation undergoing a major platform transformation programme, and theyre looking to add an experienced Full Stack Developer to the team. This role will suit someone who enjoys owning features end-to-end, with strong frontend expertise while remaining comfortable working across APIs, databases, and backend services in a modern environment. What Youll Be Doing * Developing and enhancing customer-facing platforms and transactional systems * Building modern applications using Vue.js and TypeScript * Working closely with product, QA, and engineering teams to deliver new features * Investigating and resolving production issues across frontend, APIs, and databases
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        Frequently Asked Questions

        How many contract API jobs are there in Romsey?
        There are 19 contract API jobs within 20 miles of Romsey available on CWJobs right now.

        What other similar jobs are there to contract API jobs in Romsey?
        As well as contract API jobs in Romsey, you can find contract IT, Software Development, Architecture, amongst many others.