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        182


        12 Permanent API jobs in Portsmouth + 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

        Sample Technician

        Intertek
        Fawley, Southampton (SO45), SO45 1TX
        Unspecified
        Gauging and sampling shore tanks in accordance with API, IP, company or other procedures.
        Gauging and sampling shore tanks in accordance with API, IP, company or other procedures.
        PREMIUM

        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

        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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        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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        R&D Software Engineer

        FBI &TMT
        Portsmouth (PO1)
        £40000 - £60000 per annum + Depending on experience
        Our client, a leading technology company in the Defence & Security sector, is currently seeking a talented Research & Development Software Engineer to join their innovative team on a permanent basis. This role is based at Portsdown Technology Park in Portsmouth and offers the exciting opportunity to work on cutting-edge immersive training solutions and simulations. * Build and maintain prototypes, proof-of-concept systems, and technical demonstrators * Take early-stage feasibility prototypes forward into working implementations, validating technical assumptions and documenting findings * Implement integrations between AI services, APIs, backend systems, XR applications, simulation environments, and third-party platforms * Develop microservices, wrappers, connectors, and service interfaces to support solution components
        Our client, a leading technology company in the Defence & Security sector, is currently seeking a talented Research & Development Software Engineer to join their innovative team on a permanent basis. This role is based at Portsdown Technology Park in Portsmouth and offers the exciting opportunity to work on cutting-edge immersive training solutions and simulations. * Build and maintain prototypes, proof-of-concept systems, and technical demonstrators * Take early-stage feasibility prototypes forward into working implementations, validating technical assumptions and documenting findings * Implement integrations between AI services, APIs, backend systems, XR applications, simulation environments, and third-party platforms * Develop microservices, wrappers, connectors, and service interfaces to support solution components
        more
        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

        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

        170 exact matches jobs are outside your preferred location

        AI Software Engineer, Firebase, GCP, COR7557B

        Corriculo Ltd
        Reading, Berkshire, RG1
        £75k - 100k per year + Stock Options
        Building on Firebase, using Claude API and leading LLMs, the AI Software Engineer will build the end-to-end architecture, security, performance and integration.
        Building on Firebase, using Claude API and leading LLMs, the AI Software Engineer will build the end-to-end architecture, security, performance and integration.
        more

        Technical Lead - Ruby

        Run-Time Group Ltd
        Reading (RG1)
        Up to £120,000 per annum
        API Design: REST, GraphQL, external integrations * AI & LLMs: API integration, prompt engineering, AI-enhanced features and developer tooling
        API Design: REST, GraphQL, external integrations * AI & LLMs: API integration, prompt engineering, AI-enhanced features and developer tooling
        more

        Lead Full Stack Ruby Developer

        G.R.E. Recruitment Limited
        Burgess Hill (RH15)
        From £80,000 to £85,000 per annum
        Tech Stack: Ruby on Rails, SQL, PostgreSQL, JavaScript, Turbolinks, ReactJS, NextJS, API's, AWS - Must have an understanding of the benefits and risks of adopting AI safely and effectively
        Tech Stack: Ruby on Rails, SQL, PostgreSQL, JavaScript, Turbolinks, ReactJS, NextJS, API's, AWS - Must have an understanding of the benefits and risks of adopting AI safely and effectively
        more

        Senior DevOps Engineer

        Halian Technology Limited
        Reading (RG10)
        £95,000 per annum
        The business develops and operates a suite of high-traffic digital products, including web, mobile, and API-driven services used by millions of users globally.
        The business develops and operates a suite of high-traffic digital products, including web, mobile, and API-driven services used by millions of users globally.
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        Senior QA Engineer

        Halian Technology Limited
        Reading (RG1)
        Up to £60,000 per annum Plus benefits
        Build and maintain test automation frameworks covering UI, API, and service-level validation * Solid API and UI automation experience (e.g. Playwright, Cypress, or similar)
        Build and maintain test automation frameworks covering UI, API, and service-level validation * Solid API and UI automation experience (e.g. Playwright, Cypress, or similar)
        more

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        What is the average salary for API in Portsmouth?

        Average salary per year
        £55,000

        The average salary for a API in Portsmouth is £55,000. API in Portsmouth salaries range from £42,499 to £62,499.

        Frequently Asked Questions

        How many permanent API jobs are there in Portsmouth?
        There are 12 permanent API jobs within 20 miles of Portsmouth available on CWJobs right now.

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