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        9 Part Time API jobs in Portsmouth + 20 miles

        Mid Level Software Developer

        Spectrum It Recruitment Limited
        Southampton (SO14)
        £53000.00 - £60000 per annum + 25 days holiday,
        Build next generation solutions for the eCommerce and logistics sector as Mid Level Developer. You'll be working on a greenfield project using modern cloud technologies, developing scalable, high-performance systems that support complex operational processes across multiple regions. Software Developer Location: Southampton (Hybrid - 3 days per week in office) Salary: £60,000, + benefits Type: Permanent, Full-time The role is primarily backend-focused, though there's flexibility to gain frontend exposure for those interested in broadening their technical skillset. You'll work closely with product owners, fellow developers, and the CTO, contributing to design discussions, architecture planning, and implementation of robust, production-ready code. Key Responsibilities * Write clean, well-documented, and tested code across backend and full-stack systems.
        Build next generation solutions for the eCommerce and logistics sector as Mid Level Developer. You'll be working on a greenfield project using modern cloud technologies, developing scalable, high-performance systems that support complex operational processes across multiple regions. Software Developer Location: Southampton (Hybrid - 3 days per week in office) Salary: £60,000, + benefits Type: Permanent, Full-time The role is primarily backend-focused, though there's flexibility to gain frontend exposure for those interested in broadening their technical skillset. You'll work closely with product owners, fellow developers, and the CTO, contributing to design discussions, architecture planning, and implementation of robust, production-ready code. Key Responsibilities * Write clean, well-documented, and tested code across backend and full-stack systems.
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        Fixed Term Logistics Havant About the Role Salary: £52,000 £60,000 + Excellent Benefits Working Pattern: 37.5 hours per week | 4 day working week Monday to Thursday | Remote working but required to come to the office when needed. Location: Havant, Portsmouth. Here at Lockheed Martin we are seeking a Logistics Software Engineer to enhance its software development capability and provide ongoing support for a suite of applications used by both internal stakeholders and Ministry of Defence (MoD) customers. This role requires an experienced and innovative professional who can assume ownership of both new and existing development projects. The successful candidate will be capable of defining technical requirements, managing development tasks, and delivering high-quality software solutions that meet or exceed customer expectations. Key Responsibilities
        Fixed Term Logistics Havant About the Role Salary: £52,000 £60,000 + Excellent Benefits Working Pattern: 37.5 hours per week | 4 day working week Monday to Thursday | Remote working but required to come to the office when needed. Location: Havant, Portsmouth. Here at Lockheed Martin we are seeking a Logistics Software Engineer to enhance its software development capability and provide ongoing support for a suite of applications used by both internal stakeholders and Ministry of Defence (MoD) customers. This role requires an experienced and innovative professional who can assume ownership of both new and existing development projects. The successful candidate will be capable of defining technical requirements, managing development tasks, and delivering high-quality software solutions that meet or exceed customer expectations. Key Responsibilities
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        About the Business Quilter plc is a leading wealth management business, helping to enable brighter financial futures for every generation. Quilter oversees £126.3 billion in customer investments (as of August 2025). It has an adviser and customer offering spanning financial advice, investment platforms, multi-asset investment solutions, and discretionary fund management. The business is comprised of two segments: Affluent and High Net Worth. Affluent encompasses the financial planning business, Quilter Financial Planning, the Quilter Investment Platform and Quilter Investors, the multi-asset investment solutions business. High Net Worth includes the discretionary fund management business, Quilter Cheviot, together with Quilter Cheviot Financial Planning offering a highly personalised service to private clients, charities, trustees, and professional partners.
        About the Business Quilter plc is a leading wealth management business, helping to enable brighter financial futures for every generation. Quilter oversees £126.3 billion in customer investments (as of August 2025). It has an adviser and customer offering spanning financial advice, investment platforms, multi-asset investment solutions, and discretionary fund management. The business is comprised of two segments: Affluent and High Net Worth. Affluent encompasses the financial planning business, Quilter Financial Planning, the Quilter Investment Platform and Quilter Investors, the multi-asset investment solutions business. High Net Worth includes the discretionary fund management business, Quilter Cheviot, together with Quilter Cheviot Financial Planning offering a highly personalised service to private clients, charities, trustees, and professional partners.
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        Senior Software Engineer - C++

        MaxAd
        Causeway, Petersfield (GU31), GU31
        £58000.00 - £63000.00 per annum + Excellent Benefits
        Circa £60,000 + Excellent Benefits Are you an experienced Software Engineer who takes pride in writing clean, efficient, well-structured code? Do you enjoy owning projects end-to-end, solving complex technical challenges and contributing to high-performance, mission-critical software products? This is a fantastic opportunity to join a successful, growing, employee-owned technology business that designs and delivers advanced broadcast technology used by professional media organisations around the world. Working as part of a close-knit engineering team, you'll play a key role in enhancing existing products, developing new products and features, supporting released software and contributing to long-term technical innovation.
        Circa £60,000 + Excellent Benefits Are you an experienced Software Engineer who takes pride in writing clean, efficient, well-structured code? Do you enjoy owning projects end-to-end, solving complex technical challenges and contributing to high-performance, mission-critical software products? This is a fantastic opportunity to join a successful, growing, employee-owned technology business that designs and delivers advanced broadcast technology used by professional media organisations around the world. Working as part of a close-knit engineering team, you'll play a key role in enhancing existing products, developing new products and features, supporting released software and contributing to long-term technical innovation.
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        Dynamics 365 Architect

        Bright Purple Resourcing
        Southampton, Hampshire, SO1
        Up to £90,000
        * UK Remote (Occasional travel to Glasgow or Reading) * Up to £100,000 per annum (Including car allowance + bonus) * Permanent * Eligibility for SC Clearance Required Are you an accomplished Dynamics 365 Architect with a passion for designing impactful, enterprise-grade solutions? We are seeking a forward-thinking professional to join a high-performing Microsoft practice, where you will play a pivotal role in the technical design and delivery of secure, scalable Dynamics 365 and Power Platform solutions. This is a remote role based in the UK, with occasional travel required to client sites or team hubs in Glasgow or Reading. Please note that eligibility for SC Clearance is essential. * Salary up to £100,000 with Car allowance and performance-based bonus included * Flexible remote working with occasional hybrid travel
        * UK Remote (Occasional travel to Glasgow or Reading) * Up to £100,000 per annum (Including car allowance + bonus) * Permanent * Eligibility for SC Clearance Required Are you an accomplished Dynamics 365 Architect with a passion for designing impactful, enterprise-grade solutions? We are seeking a forward-thinking professional to join a high-performing Microsoft practice, where you will play a pivotal role in the technical design and delivery of secure, scalable Dynamics 365 and Power Platform solutions. This is a remote role based in the UK, with occasional travel required to client sites or team hubs in Glasgow or Reading. Please note that eligibility for SC Clearance is essential. * Salary up to £100,000 with Car allowance and performance-based bonus included * Flexible remote working with occasional hybrid travel
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        Senior Software Engineer

        Bright Purple Resourcing
        Southampton, Hampshire, SO1
        Up to £80,000
        Are you ready to put your technical expertise to work in transforming services that directly improve lives across the UK? Our client provides emergency accommodation and vital support for some of the countrys most vulnerable people including survivors of domestic abuse, refugees, and individuals seeking asylum. Their mission is to create safe environments and deliver innovative solutions that protect and empower those most in need. They are now looking for a Senior Software Engineerto take a key role in rebuilding and modernising their software landscape. This is a unique opportunity to shape critical systems that underpin essential frontline services. Whats on Offer * Fully remote within the UK * Salary up to £80,000 * 33 days annual leave * Pension & healthcare * A role with genuine social impact * A supportive, mission-driven workplace
        Are you ready to put your technical expertise to work in transforming services that directly improve lives across the UK? Our client provides emergency accommodation and vital support for some of the countrys most vulnerable people including survivors of domestic abuse, refugees, and individuals seeking asylum. Their mission is to create safe environments and deliver innovative solutions that protect and empower those most in need. They are now looking for a Senior Software Engineerto take a key role in rebuilding and modernising their software landscape. This is a unique opportunity to shape critical systems that underpin essential frontline services. Whats on Offer * Fully remote within the UK * Salary up to £80,000 * 33 days annual leave * Pension & healthcare * A role with genuine social impact * A supportive, mission-driven workplace
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        Branch Logistics Coordinator

        Chubb Fire & Security Limited
        Portsmouth (PO1)
        £25,000 per annum Company Van + Commission + Overtime
        Chubb Fire & Security is currently recruiting a Logistics Coordinator to be based around the Portsmouth and surrounding area. You will be supporting our team of Portable Fire Extinguisher (PFX) Engineers. The main goal of this role is to coordinate all aspects of the supply chain operations and warehousing within branch, whilst supporting Engineers with the installation of Fire Extinguishers in the field (full training provided) About Us, Our Culture & What We Can Offer You Chubb Fire & Security have been protecting people and assets worldwide for more than 200 years. Providing essential and innovative security systems, equipment and services, from digital CCTV surveillance and intruder alarms to fire detection and suppression systems.
        Chubb Fire & Security is currently recruiting a Logistics Coordinator to be based around the Portsmouth and surrounding area. You will be supporting our team of Portable Fire Extinguisher (PFX) Engineers. The main goal of this role is to coordinate all aspects of the supply chain operations and warehousing within branch, whilst supporting Engineers with the installation of Fire Extinguishers in the field (full training provided) About Us, Our Culture & What We Can Offer You Chubb Fire & Security have been protecting people and assets worldwide for more than 200 years. Providing essential and innovative security systems, equipment and services, from digital CCTV surveillance and intruder alarms to fire detection and suppression systems.
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        FEATURED

        Senior Systems Developer

        Brockenhurst College
        Balmerlawn, Brockenhurst (SO42), SO42 7ZE
        £46790.00 to £49339.00 per year
        We have an exciting opportunity for a Senior Systems Developer to join the team on a full time, permanent basis. In return,you will receive a competitive salary of £46,790 £49,339 per annum (including £5000 market supplement), opportunities for professional growth and innovation, and be part of a forward-thinking team shaping the future of digital education. We are a high-achieving college who attract around 2,800 sixth form students across the region each year. We are based within the stunning New Forest National Park and offer our students a huge range of courses and superb facilities. Are you passionate about driving digital innovation and building robust, scalable systems? Brockenhurst College is seeking a Senior Systems Developer to lead the design, development, and strategic implementation of software solutions that power our digital infrastructure.
        We have an exciting opportunity for a Senior Systems Developer to join the team on a full time, permanent basis. In return,you will receive a competitive salary of £46,790 £49,339 per annum (including £5000 market supplement), opportunities for professional growth and innovation, and be part of a forward-thinking team shaping the future of digital education. We are a high-achieving college who attract around 2,800 sixth form students across the region each year. We are based within the stunning New Forest National Park and offer our students a huge range of courses and superb facilities. Are you passionate about driving digital innovation and building robust, scalable systems? Brockenhurst College is seeking a Senior Systems Developer to lead the design, development, and strategic implementation of software solutions that power our digital infrastructure.
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        PREMIUM

        Security Service Engineer

        Chubb Fire & Security Limited
        Southampton (SO14)
        Up to £40,000 per annum
        Think you know Chubb? We might just surprise you! Chubb is so much more than a fire and security business; we are an organisation that delivers innovative solutions and leverages new technologies to provide best in class service to our expanding client base. You wont see locks and safes here, but we are proud of our 200-year heritage. Our commitment to our people is to continually develop and innovate so that we grow together as your career unfolds. As part of the global API Group, we join a family of organisations where leadership, and leadership development is our most powerful strategic advantage and the best way to invest in our people. SALARY: Opportunity to earn in excess of £40,000 (This includes basic and additional supplements - base is determined on experience) LOCATION:Southampton and surrounding area
        Think you know Chubb? We might just surprise you! Chubb is so much more than a fire and security business; we are an organisation that delivers innovative solutions and leverages new technologies to provide best in class service to our expanding client base. You wont see locks and safes here, but we are proud of our 200-year heritage. Our commitment to our people is to continually develop and innovate so that we grow together as your career unfolds. As part of the global API Group, we join a family of organisations where leadership, and leadership development is our most powerful strategic advantage and the best way to invest in our people. SALARY: Opportunity to earn in excess of £40,000 (This includes basic and additional supplements - base is determined on experience) LOCATION:Southampton and surrounding area
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        FEATURED

        77 exact matches jobs are outside your preferred location

        Description ADP is hiring a Business Resiliency Planner Are you looking to build a career in Business Resiliency in a global company that offers career advancement opportunities throughout your career journey? Are you looking to join a global company with a culture of inclusion, collaboration and belonging? Well, this may be the right fit for you. Ready to make your mark? In this role, you will be responsible for protecting the organizations business assets through a Global Business Resiliency Program that establishes a single framework for how ADP manages, and controls risks associated with the recovery from business disruptions and disaster events. You will be involved in providing insight, guidance, and direction on the continued development and effectiveness of the global Business Resiliency Program.
        Description ADP is hiring a Business Resiliency Planner Are you looking to build a career in Business Resiliency in a global company that offers career advancement opportunities throughout your career journey? Are you looking to join a global company with a culture of inclusion, collaboration and belonging? Well, this may be the right fit for you. Ready to make your mark? In this role, you will be responsible for protecting the organizations business assets through a Global Business Resiliency Program that establishes a single framework for how ADP manages, and controls risks associated with the recovery from business disruptions and disaster events. You will be involved in providing insight, guidance, and direction on the continued development and effectiveness of the global Business Resiliency Program.
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        NEW
        Thales people architect identity management and data protection solutions at the heart of digital security. Business and governments rely on us to bring trust to the billons of digital interactions they have with people. Our technologies and services help banks exchange funds, people cross borders, energy become smarter and much more. More than 30,000 organizations already rely on us to verify the identities of people and things, grant access to digital services, analyze vast quantities of information and encrypt data to make the connected world more secure. Together we offer fantastic opportunities for committed employees to learn and develop their career with us. At Thales UK, we research, develop, and supply technology and services that impact the lives of millions of people each day to make life better, and keep us safer.
        Thales people architect identity management and data protection solutions at the heart of digital security. Business and governments rely on us to bring trust to the billons of digital interactions they have with people. Our technologies and services help banks exchange funds, people cross borders, energy become smarter and much more. More than 30,000 organizations already rely on us to verify the identities of people and things, grant access to digital services, analyze vast quantities of information and encrypt data to make the connected world more secure. Together we offer fantastic opportunities for committed employees to learn and develop their career with us. At Thales UK, we research, develop, and supply technology and services that impact the lives of millions of people each day to make life better, and keep us safer.
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        NEW

        Java Software Engineer

        Response Informatics
        Bournemouth (BH1)
        £70,000 per annum 70K GBP/annum Gross
        Java (Spring Boot, Spring MVC), REST APIsBuilding scalable backend services and APIs Oracle, CockroachDB, SQLData modeling, queries, ORM, and migration GKP (Google Kubernetes Platform), Docker, KubernetesDeploying and managing applications in private cloud Maven, GradleManaging builds and dependencies Jenkins, GitLab CI, GKP DevOpsAutomated build, test, and deployment pipelines JUnit, TestNG, Mockito, Selenium, CypressUnit, integration, and end-to-end testing Swagger/OpenAPIDocumenting and testing REST APIs OAuth2, JWT, Spring SecurityImplementing authentication and authorization ELK Stack, Prometheus, Grafana, SplunkApplication monitoring and log analysis Bash, PythonAutomating tasks and scripts GithubSource code management SonarQube, Checkstyle, ESLintStatic code analysis and quality enforcement
        Java (Spring Boot, Spring MVC), REST APIsBuilding scalable backend services and APIs Oracle, CockroachDB, SQLData modeling, queries, ORM, and migration GKP (Google Kubernetes Platform), Docker, KubernetesDeploying and managing applications in private cloud Maven, GradleManaging builds and dependencies Jenkins, GitLab CI, GKP DevOpsAutomated build, test, and deployment pipelines JUnit, TestNG, Mockito, Selenium, CypressUnit, integration, and end-to-end testing Swagger/OpenAPIDocumenting and testing REST APIs OAuth2, JWT, Spring SecurityImplementing authentication and authorization ELK Stack, Prometheus, Grafana, SplunkApplication monitoring and log analysis Bash, PythonAutomating tasks and scripts GithubSource code management SonarQube, Checkstyle, ESLintStatic code analysis and quality enforcement
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        At Yunex Traffic, we launch cities into the future with forward-looking infrastructure and transport solutions, making mobility safer, more efficient and more sustainable for all. Do you want to make a difference with the work you do? Join us as a SCM Digitalisation Lead Optimize purchase-to-pay processes for indirect and direct materials, focusing on digitalization, standardization, and efficiency Implement and scale Guided Buying solutions globally through cross-functional collaboration Drive AI adoption to streamline procurement workflows and enhance decision-making Integrate eCatalogs via API with external suppliers (e.g. Amazon, Mercateo) Maintain the global P2P control framework in SAP S/4HANA for compliance and efficiency Lead electronic supplier integration to automate procurement data exchange
        At Yunex Traffic, we launch cities into the future with forward-looking infrastructure and transport solutions, making mobility safer, more efficient and more sustainable for all. Do you want to make a difference with the work you do? Join us as a SCM Digitalisation Lead Optimize purchase-to-pay processes for indirect and direct materials, focusing on digitalization, standardization, and efficiency Implement and scale Guided Buying solutions globally through cross-functional collaboration Drive AI adoption to streamline procurement workflows and enhance decision-making Integrate eCatalogs via API with external suppliers (e.g. Amazon, Mercateo) Maintain the global P2P control framework in SAP S/4HANA for compliance and efficiency Lead electronic supplier integration to automate procurement data exchange
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        Full Stack Developer

        Spectrum It Recruitment Limited
        Poole (BH12)
        £45000 - £50000 per annum + Benefits
        C#, React, Azure DevOps Hybrid - Poole, Dorset (1 / 2 days per week in the office) £45,000 - £50,000 We're looking for a Full Stack Developer to join our agile software team and help build innovative, life-critical SaaS solutions for a global security company. You'll play a key role and be involved in all aspects of the Software Development Life Cycle (SDLC) including design, development, testing, deployment, release, and monitoring of applications. In addition to hands-on development, this role will take ownership of Azure DevOps pipelines, release management, and site reliability engineering (SRE) practices to ensure smooth, secure, and reliable delivery of our solutions. What You'll Do * Design, develop, and maintain full stack applications using React, .NET Core, Entity Framework, RESTful APIs, and GraphQL.
        C#, React, Azure DevOps Hybrid - Poole, Dorset (1 / 2 days per week in the office) £45,000 - £50,000 We're looking for a Full Stack Developer to join our agile software team and help build innovative, life-critical SaaS solutions for a global security company. You'll play a key role and be involved in all aspects of the Software Development Life Cycle (SDLC) including design, development, testing, deployment, release, and monitoring of applications. In addition to hands-on development, this role will take ownership of Azure DevOps pipelines, release management, and site reliability engineering (SRE) practices to ensure smooth, secure, and reliable delivery of our solutions. What You'll Do * Design, develop, and maintain full stack applications using React, .NET Core, Entity Framework, RESTful APIs, and GraphQL.
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        ClearCourse Technical Support Lead (Payments / API / Incident Management) Location: Reading Competitive salary + benefits ClearAccept is expanding, and were hiring a Technical Support Lead to take ownership of technical incidents, escalations and support processes for our cloud-native payments platform used by 5,000+ merchants. This is a high-impact role where youll work closely with Engineering, SRE, DevOps, Product and Operations to keep our platform stable and continuously improving as we scale. What Youll Be Doing * Lead and manage technical incidents and escalations * Triage and prioritise support tickets with Dev/SRE/DevOps * Investigate issues using Datadog, Postman, SQL, MongoDB * Analyse API logs, JSON payloads and system behaviour * Support merchant onboarding, transaction flows & payouts * Build and improve incident processes, SLAs and playbooks
        ClearCourse Technical Support Lead (Payments / API / Incident Management) Location: Reading Competitive salary + benefits ClearAccept is expanding, and were hiring a Technical Support Lead to take ownership of technical incidents, escalations and support processes for our cloud-native payments platform used by 5,000+ merchants. This is a high-impact role where youll work closely with Engineering, SRE, DevOps, Product and Operations to keep our platform stable and continuously improving as we scale. What Youll Be Doing * Lead and manage technical incidents and escalations * Triage and prioritise support tickets with Dev/SRE/DevOps * Investigate issues using Datadog, Postman, SQL, MongoDB * Analyse API logs, JSON payloads and system behaviour * Support merchant onboarding, transaction flows & payouts * Build and improve incident processes, SLAs and playbooks
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        PREMIUM

        Data Support Analyst x2

        RNLI
        Poole (BH15)
        From £34,893 to £41,050 per annum (dependent on experience)
        Salary: £34,893 to £41,050 (dependent on experience) Contract type: Permanent Hours: Full Time Location: Poole, Dorset, England Location description: Hybrid between home and Poole - minimum 3 days per week in the office Closing date: 04-01-2026 About us Our purpose is simple: to save lives at sea. For 200 years, our lifeboat crews and lifeguards have shown selfless courage to rescue those in peril on the water. Behind them is a dedicated, talented team making it all possible. This is your chance to join that team and use your skills to help save lives every day. The role As a Data Support Analyst, youll be the first point of contact for data support at the RNLI. Youll provide Line 1 and Line 2 production support across our data platforms, triaging incidents, restoring service quickly, and preventing repeat issues.
        Salary: £34,893 to £41,050 (dependent on experience) Contract type: Permanent Hours: Full Time Location: Poole, Dorset, England Location description: Hybrid between home and Poole - minimum 3 days per week in the office Closing date: 04-01-2026 About us Our purpose is simple: to save lives at sea. For 200 years, our lifeboat crews and lifeguards have shown selfless courage to rescue those in peril on the water. Behind them is a dedicated, talented team making it all possible. This is your chance to join that team and use your skills to help save lives every day. The role As a Data Support Analyst, youll be the first point of contact for data support at the RNLI. Youll provide Line 1 and Line 2 production support across our data platforms, triaging incidents, restoring service quickly, and preventing repeat issues.
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        Pen Tester

        Stackstudio Digital Ltd.
        Reading (RG1)
        From £400 to £410 per day
        Role/Job Title:Pen Tester Work Location: Reading (3days) The Role We're looking for a Security Consultant / Senior Security Consultant with expertise in penetration testing. As part of our Cyber Security team, you shall perform penetration testing which includes internet, intranet, wireless, web application, social engineering and physical penetration testing. You shall also perform in-depth analysis of penetration testing results and create a report that describes findings, exploitation procedures, risks and recommendations. Please include a brief outline of the impact this role will have, including overview of customer industry and projects, access to cutting-edge technology etc. Do NOT include customer name. Your Responsibilities (Up to 10, avoiding repetition)
        Role/Job Title:Pen Tester Work Location: Reading (3days) The Role We're looking for a Security Consultant / Senior Security Consultant with expertise in penetration testing. As part of our Cyber Security team, you shall perform penetration testing which includes internet, intranet, wireless, web application, social engineering and physical penetration testing. You shall also perform in-depth analysis of penetration testing results and create a report that describes findings, exploitation procedures, risks and recommendations. Please include a brief outline of the impact this role will have, including overview of customer industry and projects, access to cutting-edge technology etc. Do NOT include customer name. Your Responsibilities (Up to 10, avoiding repetition)
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        Salary: £49,492 to £58,226 (dependent on experience) Contract type: Permanent Hours: Full Time Location: Poole, Dorset, England Location description: Hybrid between home and Poole Closing date: 04-01-2026 About us Our purpose is simple: to save lives at sea. For 200 years, our lifeboat crews and lifeguards have shown selfless courage to rescue those in peril on the water. Behind them is a dedicated, talented team making it all possible. This is your chance to join that team and use your expertise to make a real difference every day. The role As our Data and Integration Solution Designer, youll shape how the RNLI connects and uses data across the organisation. Youll design secure, reliable solutions that make systems work together seamlessly, turning data architecture into practical patterns and frameworks others can reuse.
        Salary: £49,492 to £58,226 (dependent on experience) Contract type: Permanent Hours: Full Time Location: Poole, Dorset, England Location description: Hybrid between home and Poole Closing date: 04-01-2026 About us Our purpose is simple: to save lives at sea. For 200 years, our lifeboat crews and lifeguards have shown selfless courage to rescue those in peril on the water. Behind them is a dedicated, talented team making it all possible. This is your chance to join that team and use your expertise to make a real difference every day. The role As our Data and Integration Solution Designer, youll shape how the RNLI connects and uses data across the organisation. Youll design secure, reliable solutions that make systems work together seamlessly, turning data architecture into practical patterns and frameworks others can reuse.
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        Senior Full Stack .Net Developer

        Hays
        Gatwick (RH6)
        £65000 - £75000 per annum + £65-75k + Benefits
        Gatwick (1-2 days per week in office) £65-75k + Benefits. Your new company This leading financial and consulting business are looking to bolster their engineering team with a Senior Full Stack .Net Developer to join their core team of 16 Devs. You will be working in their state-of-the-art offices near to Gatwick/Crawley and will be required to work 1-2 days per week in the office. Your new role This is a full-stack, full software lifecycle role where Devs are encouraged to bring ideas to the table and challenge the status quo. From architecture and development through to deployment you'll play a key role in building cutting-edge solutions by developing .NET microservices and dynamic Angular front-end applications (we can consider React cross-training to Angular).
        Gatwick (1-2 days per week in office) £65-75k + Benefits. Your new company This leading financial and consulting business are looking to bolster their engineering team with a Senior Full Stack .Net Developer to join their core team of 16 Devs. You will be working in their state-of-the-art offices near to Gatwick/Crawley and will be required to work 1-2 days per week in the office. Your new role This is a full-stack, full software lifecycle role where Devs are encouraged to bring ideas to the table and challenge the status quo. From architecture and development through to deployment you'll play a key role in building cutting-edge solutions by developing .NET microservices and dynamic Angular front-end applications (we can consider React cross-training to Angular).
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        Applications Support Analyst / Engineer

        Kudos Partners
        Datchet Common, Slough (SL3), SL3
        £75,000 per annum plus 12% bonus - generous benefits package
        Location:West of London | Hybrid (1 day in office) Salary:Competitive + Benefits + Flexible Working Why Join? * Hybrid working only 1 day per week in the office * Established FinTech company with a collaborative, supportive culture * Key role in supporting high-profile web and mobileapplications(including BigCommerce) * Exposure to Azure, APIs, D365, and cutting-edge digital solutions Were seeking anexperiencedApplicationsSupport Analyst/Developerto join our growing FinTech team. Thisbusiness-criticalrole will lead the support for a new digital platform, ensuring smooth operation and exceptional service for internal stakeholders. * Deliver 2nd and 3rd line support for digitalapplications, resolving issues within SLAs * Minimise downtime and drive continuous improvement across web/mobile platforms
        Location:West of London | Hybrid (1 day in office) Salary:Competitive + Benefits + Flexible Working Why Join? * Hybrid working only 1 day per week in the office * Established FinTech company with a collaborative, supportive culture * Key role in supporting high-profile web and mobileapplications(including BigCommerce) * Exposure to Azure, APIs, D365, and cutting-edge digital solutions Were seeking anexperiencedApplicationsSupport Analyst/Developerto join our growing FinTech team. Thisbusiness-criticalrole will lead the support for a new digital platform, ensuring smooth operation and exceptional service for internal stakeholders. * Deliver 2nd and 3rd line support for digitalapplications, resolving issues within SLAs * Minimise downtime and drive continuous improvement across web/mobile platforms
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        Ready to Build the Future of AI with Us? Ready to help enterprises. At Neologik, we’re not just keeping up with the AI revolution - we’re fuelling it. We’re a high-velocity team on a mission to redefine how businesses think, build, and automate using artificial intelligence. Born in the cloud and powered by the latest Microsoft and Azure AI stack, Neologik is creating an intelligent automation platform that helps companies deploy smart agents, supercharge workflows, and innovate at scale. And here’s the best part: we’re just getting started. We’re looking for a Head of AI Software Development with a flair for AI to join the core team building the future of intelligent automation. If you thrive in fast-paced, idea-rich environments and love turning next-gen tech into real-world solutions - this is your moment. Ready to build the future with us?
        Ready to Build the Future of AI with Us? Ready to help enterprises. At Neologik, we’re not just keeping up with the AI revolution - we’re fuelling it. We’re a high-velocity team on a mission to redefine how businesses think, build, and automate using artificial intelligence. Born in the cloud and powered by the latest Microsoft and Azure AI stack, Neologik is creating an intelligent automation platform that helps companies deploy smart agents, supercharge workflows, and innovate at scale. And here’s the best part: we’re just getting started. We’re looking for a Head of AI Software Development with a flair for AI to join the core team building the future of intelligent automation. If you thrive in fast-paced, idea-rich environments and love turning next-gen tech into real-world solutions - this is your moment. Ready to build the future with us?
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        Full Stack .Net Developer (Angular v20 and .NET 8 Microservices) Gatwick (2 days per week in office) £40-55k + Benefits. Your new company This leading financial and consulting business are looking to bolster their engineering team with a Full Stack .Net Developer to join their core team of 16 Devs. You will be working in their state-of-the-art offices near to Gatwick/Crawley and will be required to work 2 days per week in the office. Your new role This is a full-stack, full software lifecycle role where Devs are encouraged to bring ideas to the table and challenge the status quo. From architecture and development through to deployment you'll play a key role in building cutting-edge solutions by developing .NET microservices and dynamic Angular front-end applications.
        Full Stack .Net Developer (Angular v20 and .NET 8 Microservices) Gatwick (2 days per week in office) £40-55k + Benefits. Your new company This leading financial and consulting business are looking to bolster their engineering team with a Full Stack .Net Developer to join their core team of 16 Devs. You will be working in their state-of-the-art offices near to Gatwick/Crawley and will be required to work 2 days per week in the office. Your new role This is a full-stack, full software lifecycle role where Devs are encouraged to bring ideas to the table and challenge the status quo. From architecture and development through to deployment you'll play a key role in building cutting-edge solutions by developing .NET microservices and dynamic Angular front-end applications.
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        Lead Data Support Analyst

        RNLI
        Furzey Island, Poole (BH15), BH15
        £41242 - £48520 per annum
        Salary: £41,242 to £48,520 (dependent on experience) Contract type: Permanent Hours: Full Time Location: Poole, Dorset, England Location description: Hybrid between home and Poole - minimum 3 days per week in the office Closing date: 04-01-2026 About us Our purpose is simple: to save lives at sea. For 200 years, our lifeboat crews and lifeguards have shown selfless courage to rescue those in peril on the water. Behind them is a dedicated, talented team making it all possible. This is your chance to join that team and use your skills to help save lives every day. The role Were building a dependable, modern data service so RNLI data users can trust the information they use to make decisions quickly and safely. As Lead Data Support Analyst, youll own the day-to-day run and operation function for our data estate.
        Salary: £41,242 to £48,520 (dependent on experience) Contract type: Permanent Hours: Full Time Location: Poole, Dorset, England Location description: Hybrid between home and Poole - minimum 3 days per week in the office Closing date: 04-01-2026 About us Our purpose is simple: to save lives at sea. For 200 years, our lifeboat crews and lifeguards have shown selfless courage to rescue those in peril on the water. Behind them is a dedicated, talented team making it all possible. This is your chance to join that team and use your skills to help save lives every day. The role Were building a dependable, modern data service so RNLI data users can trust the information they use to make decisions quickly and safely. As Lead Data Support Analyst, youll own the day-to-day run and operation function for our data estate.
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        Test Lead

        Randstad Digital
        Burgess Hill (RH15)
        £55000 - £60000 per annum
        A multinational mass media and entertainment conglomerate is looking for experienced Quality Engineers with strong expertise in OTT and streaming technologies. The ideal candidate will have hands-on experience in testing across multiple OTT devices and platforms with solid troubleshooting skills and proficiency in debugging tools. * Design and maintain comprehensive test cases traceability matrices and identify functional nonfunctional and edge scenarios * Perform devicelevel validation for OTT platforms including video playback adaptive bitrate ABR and streaming workflows * Utilize network analysis tools Charles Proxy Fiddler for traffic inspection throttling and troubleshooting content quality and ad validation * Conduct streaming tests on Web Android iOS tablets Roku Smart TVs consoles and STBs ensuring compatibility across OS versions
        A multinational mass media and entertainment conglomerate is looking for experienced Quality Engineers with strong expertise in OTT and streaming technologies. The ideal candidate will have hands-on experience in testing across multiple OTT devices and platforms with solid troubleshooting skills and proficiency in debugging tools. * Design and maintain comprehensive test cases traceability matrices and identify functional nonfunctional and edge scenarios * Perform devicelevel validation for OTT platforms including video playback adaptive bitrate ABR and streaming workflows * Utilize network analysis tools Charles Proxy Fiddler for traffic inspection throttling and troubleshooting content quality and ad validation * Conduct streaming tests on Web Android iOS tablets Roku Smart TVs consoles and STBs ensuring compatibility across OS versions
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        FEATURED
        Hybrid in Hampshire or UK Remote £60000- £75000 + Benefits - This role cannot offer Visa Sponsorship. - Must have 3+ years working commercially with React Native and must have Bluetooth LE experience. Your new company A leading UK-based engineering firm with decades of innovation experience is looking to hire a React Native Mobile Engineer to join their technology team on a permanent, full-time basis. The company designs and manufactures advanced equipment used across multiple sectors. With a strong focus on quality, sustainability, and technical excellence, they offer a collaborative environment where software developers contribute to real-world solutions across R&D, manufacturing, and calibration.
        Hybrid in Hampshire or UK Remote £60000- £75000 + Benefits - This role cannot offer Visa Sponsorship. - Must have 3+ years working commercially with React Native and must have Bluetooth LE experience. Your new company A leading UK-based engineering firm with decades of innovation experience is looking to hire a React Native Mobile Engineer to join their technology team on a permanent, full-time basis. The company designs and manufactures advanced equipment used across multiple sectors. With a strong focus on quality, sustainability, and technical excellence, they offer a collaborative environment where software developers contribute to real-world solutions across R&D, manufacturing, and calibration.
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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 part time API jobs are there in Portsmouth?
        There are 9 part time API jobs within 20 miles of Portsmouth available on Jobsite right now.

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