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16 Permanent API jobs in Portsmouth + 20 miles
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Web / Mobile Developer
Web / Mobile Developer
Deerfoot Recruitment Solutions
SO15, Southampton
£55000 - £65000 per annum + Benefits + Bonus + Hybrid Working
Collaborate with backend teams on API integration and implementation. * Familiarity with state management solutions such as Context API. Web Developer, Mobile Developer, React Developer, Next.js Developer, Frontend Developer, JavaScript Developer, TypeScript Developer, Ionic Developer, Hybrid App Developer, Cross-Platform Developer, iOS Developer, Android Developer, React Native Developer, UI Developer, Application Developer, Software Engineer, Storybook, Context API, GitHub, Jest, React Testing Library, Azure, DevOps, .NET, CI/CD, YAML, Financial Services Developer, Wealth Management Technology
Collaborate with backend teams on API integration and implementation. * Familiarity with state management solutions such as Context API. Web Developer, Mobile Developer, React Developer, Next.js Developer, Frontend Developer, JavaScript Developer, TypeScript Developer, Ionic Developer, Hybrid App Developer, Cross-Platform Developer, iOS Developer, Android Developer, React Native Developer, UI Developer, Application Developer, Software Engineer, Storybook, Context API, GitHub, Jest, React Testing Library, Azure, DevOps, .NET, CI/CD, YAML, Financial Services Developer, Wealth Management Technology
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Web technologies: API, HTTP, JavaScript, Python, React
Web technologies: API, HTTP, JavaScript, Python, React
Senior Software Engineer for Southampton based organisation
Senior Software Engineer for Southampton based organisation
Claremont Consulting
SO14, Southampton
£55000.00 - £66000.00 per annum + Many benefits, superb pension
Technical knowledge and experience in producing resilient services to provide API services to front end systems.
Technical knowledge and experience in producing resilient services to provide API services to front end systems.
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Senior Software Engineer for Southampton based organisation
Senior Software Engineer for Southampton based organisation
Claremont Consulting
SO14, Southampton
£55000.00 - £66000.00 per annum + Many benefits, superb pension
Technical knowledge and experience in producing resilient services to provide API services to front end systems.
Technical knowledge and experience in producing resilient services to provide API services to front end systems.
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EIS Service and Support G7 Platform Operations Manager
EIS Service and Support G7 Platform Operations Manager
H M Revenue & Customs (HMRC)
UK
From £56,344 to £62,590 per annum
EIS provide platforms for delivering Application Programming Interface (API) access and File Transfer (FT) capability to HMRC Systems. We provide artefacts and support for API customers (software developers and Other Government Departments) to build and manage authorised software that seamlessly integrates with HMRC digital services.
EIS provide platforms for delivering Application Programming Interface (API) access and File Transfer (FT) capability to HMRC Systems. We provide artefacts and support for API customers (software developers and Other Government Departments) to build and manage authorised software that seamlessly integrates with HMRC digital services.
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Senior Software Engineer Delphi
Senior Software Engineer Delphi
Spectrum It Recruitment Limited
SO14, Southampton
£50000 - £56000 per annum + 15% Bonus
Are you an experienced Senior Software Engineer with strong Delphi expertise? Join a forward-thinking technology business, working on a diverse range of bespoke applications, APIs, and databases that underpin both customer-facing products and internal systems. Location: Hybrid (office in Southampton, Hampshire) Salary: Circa £55,000 - £56,000 + up to 15% discretionary bonus - Benefits: Bonus scheme, pension, healthcare, EV car scheme, volunteering day, career progression & more - The Role - As a Senior Software Engineer, you'll be part of a collaborative Agile product team, responsible for designing, developing, and maintaining innovative software solutions. * Write clean, efficient, and secure code in Delphi and C#. * Support the development and integration of legacy and modern platforms. * Contribute to CRM product development, APIs, and databases.
Are you an experienced Senior Software Engineer with strong Delphi expertise? Join a forward-thinking technology business, working on a diverse range of bespoke applications, APIs, and databases that underpin both customer-facing products and internal systems. Location: Hybrid (office in Southampton, Hampshire) Salary: Circa £55,000 - £56,000 + up to 15% discretionary bonus - Benefits: Bonus scheme, pension, healthcare, EV car scheme, volunteering day, career progression & more - The Role - As a Senior Software Engineer, you'll be part of a collaborative Agile product team, responsible for designing, developing, and maintaining innovative software solutions. * Write clean, efficient, and secure code in Delphi and C#. * Support the development and integration of legacy and modern platforms. * Contribute to CRM product development, APIs, and databases.
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Dynamics 365 Developer
Dynamics 365 Developer
Spectrum It Recruitment Limited
SO14, Southampton
£50000 - £60000 per annum + Benefits
Are you a skilled CRM Developer with a passion for Microsoft Dynamics 365? Join a growing IT team working on a major digital transformation journey, consolidating systems and processes into a single Dynamics platform across key business functions. This is a unique opportunity to become part of a small, agile, and highly experienced product team, helping to shape and drive the adoption of Dynamics 365 across a global organisation. * Design, develop, and customise Dynamics 365 CRM solutions, including integrations and data migrations. * Test, support, and maintain CRM functionality while creating clear documentation. * Collaborate with stakeholders to deliver effective solutions and support user adoption. * Proven hands-on experience with Microsoft Dynamics 365 CRM * Proficiency with Power Platform (Power Apps, Power Automate, Power BI).
Are you a skilled CRM Developer with a passion for Microsoft Dynamics 365? Join a growing IT team working on a major digital transformation journey, consolidating systems and processes into a single Dynamics platform across key business functions. This is a unique opportunity to become part of a small, agile, and highly experienced product team, helping to shape and drive the adoption of Dynamics 365 across a global organisation. * Design, develop, and customise Dynamics 365 CRM solutions, including integrations and data migrations. * Test, support, and maintain CRM functionality while creating clear documentation. * Collaborate with stakeholders to deliver effective solutions and support user adoption. * Proven hands-on experience with Microsoft Dynamics 365 CRM * Proficiency with Power Platform (Power Apps, Power Automate, Power BI).
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Junior / Mid Level Full Stack Developer - Location: Fareham, Hampshire (on-site) Salary: Up to £55,000 (some flexibility for strong candidates) Start Date: ASAP - Type: Permanent, Full-Time - About The Company - We're working with an exciting, mission-driven startup that's building cutting-edge tech for pet owners across North America, Europe, and Australia. Backed by strong investment and led by a seasoned team, they're scaling fast and looking for talented developers to join their journey. Their culture is collaborative, transparent, and growth-focused-perfect for someone early in their career who's looking to make a real impact and learn in a supportive environment. The Role - This is a fantastic opportunity for a Junior Full Stack Developer (or early mid-level) to join a growing team and play a hands-on role in shaping a Django-powered web and desktop application.
Junior / Mid Level Full Stack Developer - Location: Fareham, Hampshire (on-site) Salary: Up to £55,000 (some flexibility for strong candidates) Start Date: ASAP - Type: Permanent, Full-Time - About The Company - We're working with an exciting, mission-driven startup that's building cutting-edge tech for pet owners across North America, Europe, and Australia. Backed by strong investment and led by a seasoned team, they're scaling fast and looking for talented developers to join their journey. Their culture is collaborative, transparent, and growth-focused-perfect for someone early in their career who's looking to make a real impact and learn in a supportive environment. The Role - This is a fantastic opportunity for a Junior Full Stack Developer (or early mid-level) to join a growing team and play a hands-on role in shaping a Django-powered web and desktop application.
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Junior or Mid Level Developer (Flutter)- Fareham or Hybrid- up to £55k + Benefits - Our client a tech incubator who are revolutionising technology in their space are looking to hire a Junior Flutter Developer to join their team to help them deliver some exciting new products in 2025. The team are still fairly early in their journey and currently a small team of 5 but they will look to double the size of the team next year. The business are part of a much larger technology solutions brand that have been hugely successful. I am looking for someone either at Junior/Graduate level or with a few years of experience * Some experience building mobile apps with Flutter and Dart * Know how to deploy apps to iOS and Android (projects from uni or personal work are fine) * Can build clean, responsive UIs using Flutter widgets
Junior or Mid Level Developer (Flutter)- Fareham or Hybrid- up to £55k + Benefits - Our client a tech incubator who are revolutionising technology in their space are looking to hire a Junior Flutter Developer to join their team to help them deliver some exciting new products in 2025. The team are still fairly early in their journey and currently a small team of 5 but they will look to double the size of the team next year. The business are part of a much larger technology solutions brand that have been hugely successful. I am looking for someone either at Junior/Graduate level or with a few years of experience * Some experience building mobile apps with Flutter and Dart * Know how to deploy apps to iOS and Android (projects from uni or personal work are fine) * Can build clean, responsive UIs using Flutter widgets
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Trafalgar Talent is recruiting for a progressive, subscription-based tech company thats enhancing how users interact with web platforms through secure, high-performance solutions. As a Senior React Developer, you'll be pivotal in architecting, building, and optimizing advanced web applications using React and TypeScript. You'll take on complex engineering challenges, influence architectural decisions, and contribute directly to the user experience. * Designing and implementing scalable front-end solutions using React, TypeScript, and modern tooling (e.g. Redux, Webpack, Jest). * Breaking down complex, ambiguous problems into clean, testable components. * Performance tuningboost UI responsiveness, decrease load times, and streamline data management. * Selecting and integrating third-party tools and libraries wisely, balancing trade-offs effectively.
Trafalgar Talent is recruiting for a progressive, subscription-based tech company thats enhancing how users interact with web platforms through secure, high-performance solutions. As a Senior React Developer, you'll be pivotal in architecting, building, and optimizing advanced web applications using React and TypeScript. You'll take on complex engineering challenges, influence architectural decisions, and contribute directly to the user experience. * Designing and implementing scalable front-end solutions using React, TypeScript, and modern tooling (e.g. Redux, Webpack, Jest). * Breaking down complex, ambiguous problems into clean, testable components. * Performance tuningboost UI responsiveness, decrease load times, and streamline data management. * Selecting and integrating third-party tools and libraries wisely, balancing trade-offs effectively.
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Southampton / Hybrid (3 days in office per week) Permanent - Deerfoot Recruitment is assisting a leading organisation in its search for a talented CRM Developer to join its growing IT team in Southampton. This role offers the chance to shape and deliver innovative solutions within Microsoft Dynamics 365 CRM, supporting business transformation across multiple functions. The role - As a CRM Developer, you will design, develop, and implement custom solutions within Dynamics 365 CRM. You will work closely with stakeholders to translate business needs into scalable technical solutions, while also supporting integration, data migration, testing, and ongoing system enhancements. * Work with the business to define requirements and features, ensuring that robust, scalable, and secure CRM features are developed using Microsoft Dynamics 365.
Southampton / Hybrid (3 days in office per week) Permanent - Deerfoot Recruitment is assisting a leading organisation in its search for a talented CRM Developer to join its growing IT team in Southampton. This role offers the chance to shape and deliver innovative solutions within Microsoft Dynamics 365 CRM, supporting business transformation across multiple functions. The role - As a CRM Developer, you will design, develop, and implement custom solutions within Dynamics 365 CRM. You will work closely with stakeholders to translate business needs into scalable technical solutions, while also supporting integration, data migration, testing, and ongoing system enhancements. * Work with the business to define requirements and features, ensuring that robust, scalable, and secure CRM features are developed using Microsoft Dynamics 365.
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Title:Senior Software Engineer (Delphi & C#) Department: Procode IT - Location: Commutable distance of Chandlers Ford - Salary:Circa £55,878 + 15% discretionary bonus - Are you an established Senior Software Engineer with recent Delphi and C# experience? If so, this could be the role for you. About us - We are a dynamic software company. Established in 2006, with a visionof helping the energy and utilities sectors improve customer experience and lower their cost to serve,using smarter process automation. Are you curious about what the future in tech holds? Do you have the drive to want to deliver great solutions for customers? Then we have an exciting opportunity as a Senior Software Engineer, where we aim to provide you with a uniquely inclusive and diverse workplace, which showcases the extraordinary in all of us, by enabling you to be the best you can be.
Title:Senior Software Engineer (Delphi & C#) Department: Procode IT - Location: Commutable distance of Chandlers Ford - Salary:Circa £55,878 + 15% discretionary bonus - Are you an established Senior Software Engineer with recent Delphi and C# experience? If so, this could be the role for you. About us - We are a dynamic software company. Established in 2006, with a visionof helping the energy and utilities sectors improve customer experience and lower their cost to serve,using smarter process automation. Are you curious about what the future in tech holds? Do you have the drive to want to deliver great solutions for customers? Then we have an exciting opportunity as a Senior Software Engineer, where we aim to provide you with a uniquely inclusive and diverse workplace, which showcases the extraordinary in all of us, by enabling you to be the best you can be.
Lead Performance Test Engineer
Lead Performance Test Engineer
Spectrum It Recruitment Limited
SO50, Eastleigh
£60000 - £65000.00 per annum
Practical skills in C#, Web API testing, Azure and modern test methodologies
Practical skills in C#, Web API testing, Azure and modern test methodologies
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Youll play a key part in moving away from legacy components towards a clean, API-driven architecture.
Youll play a key part in moving away from legacy components towards a clean, API-driven architecture.
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Experience with API design and development for both internal and external use cases
Experience with API design and development for both internal and external use cases
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You would be working on a variety of projects from Cloud Payment Gateways, API's, JSON and REST, New cloud microservices developments - there's a lot here to keep you busy. This includes: C#, .NET Framework, .NET Core, ASP.NET (core), API's RESTful Services, JSON, Docker, GIT (Bitbucket), OOP, SOLID, Cloud deployment and microservices, NoSQL and Oracle (SQL PL/SQL), AWS & Azure.
You would be working on a variety of projects from Cloud Payment Gateways, API's, JSON and REST, New cloud microservices developments - there's a lot here to keep you busy. This includes: C#, .NET Framework, .NET Core, ASP.NET (core), API's RESTful Services, JSON, Docker, GIT (Bitbucket), OOP, SOLID, Cloud deployment and microservices, NoSQL and Oracle (SQL PL/SQL), AWS & Azure.
150 exact matches jobs are outside your preferred location
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React Front End Engineer (TypeScript, API's, some C#/Angular)
React Front End Engineer (TypeScript, API's, some C#/Angular)
Hays
RH6, Gatwick
£45000.0 - £60000.0 per annum + £45-60k + Package
Front End React Engineer (TypeScript, API's, some C#/Angular) We're looking for a minimum of 3+ years commercial experience working hands-on with React/TypeScript integrating API's into their Front End estate.
Front End React Engineer (TypeScript, API's, some C#/Angular) We're looking for a minimum of 3+ years commercial experience working hands-on with React/TypeScript integrating API's into their Front End estate.
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Senior .NET Integration Developer
Senior .NET Integration Developer
Oscar Associates (UK) Limited
SL6, Maidenhead
£50000 - £65000 per annum
Assist customers and partners in integration setup and API/gateway usage.
Assist customers and partners in integration setup and API/gateway usage.
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Deep understanding of RESTful API design and integration
Deep understanding of RESTful API design and integration
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Applications Support Analyst
Applications Support Analyst
Kudos Partners
Datchet Common, SL3
£70,000 per annum plus 12% bonus - generous benefits package
API support and monitoring tools (e.g., SolarWinds, Azure App Insights)
API support and monitoring tools (e.g., SolarWinds, Azure App Insights)
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Strong background in API development, cloud adoption frameworks, and modern architectures.
Strong background in API development, cloud adoption frameworks, and modern architectures.
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Strong background in API development, cloud adoption frameworks, and modern architectures.
Strong background in API development, cloud adoption frameworks, and modern architectures.
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Data Integration Engineer
Data Integration Engineer
Anson Mccade
Basingstoke, Hampshire
GBP 700.00 per week;GBP 70,000.00 per year;GBP 85,000.00 per year
Strong understanding of API design and integration techniques (REST, Webhooks, GraphQL).
Strong understanding of API design and integration techniques (REST, Webhooks, GraphQL).
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Job Title: Solution Architect - Location: Windsor, UK - Work Model: Hybrid (1 day per week in office) Job Type: Contract (Inside IR35) Duration: 6 Months - We are seeking an experienced Solution Architect to join our team in Windsor. You will play a key role in defining, communicating, and implementing strategic technology standards and roadmaps, ensuring robust and scalable solutions for business transformation initiatives. This is a hybrid role requiring one day per week in the office. * Identify, publish, and communicate strategic technology standards, frameworks, principles, and roadmaps to guide technology decisions and leverage efficiency opportunities. * Analyze the impact of implementing new technologies into the IT infrastructure. * Assist Solution Architects, Product Specialists, and Project Managers in matching technology services to specific business servi
Job Title: Solution Architect - Location: Windsor, UK - Work Model: Hybrid (1 day per week in office) Job Type: Contract (Inside IR35) Duration: 6 Months - We are seeking an experienced Solution Architect to join our team in Windsor. You will play a key role in defining, communicating, and implementing strategic technology standards and roadmaps, ensuring robust and scalable solutions for business transformation initiatives. This is a hybrid role requiring one day per week in the office. * Identify, publish, and communicate strategic technology standards, frameworks, principles, and roadmaps to guide technology decisions and leverage efficiency opportunities. * Analyze the impact of implementing new technologies into the IT infrastructure. * Assist Solution Architects, Product Specialists, and Project Managers in matching technology services to specific business servi
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Hawkrose is delighted to announce we are hiring for the role of Senior Software Developer. In this role, the successful candidate will be responsible for the delivery of exciting projects and products across our Civil Aviation, Defence and Public Sector industry verticals. The successful candidate will be given the autonomy to set their own direction of work, and will work closely with the Head of Development to establish best practice across the Hawkrose development function. The role requires a mixture of home and office working with the expectation that the successful candidate will manage their own time and location to best deliver for our customers. Required Skills - The successful candidate will be a full stack software engineer with experience of enterprise grade software development and an agile development environment.
Hawkrose is delighted to announce we are hiring for the role of Senior Software Developer. In this role, the successful candidate will be responsible for the delivery of exciting projects and products across our Civil Aviation, Defence and Public Sector industry verticals. The successful candidate will be given the autonomy to set their own direction of work, and will work closely with the Head of Development to establish best practice across the Hawkrose development function. The role requires a mixture of home and office working with the expectation that the successful candidate will manage their own time and location to best deliver for our customers. Required Skills - The successful candidate will be a full stack software engineer with experience of enterprise grade software development and an agile development environment.
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