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        53 API jobs in Reading + 20 miles

        Senior Full Stack Engineer

        Halian Technology Limited
        Maidenhead (SL6)
        Unspecified
        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
        more
        Champion the use of strategic platforms such as ENSEK Ignition and shared integration/API frameworks.
        Champion the use of strategic platforms such as ENSEK Ignition and shared integration/API frameworks.
        PREMIUM
        The contract requires a solid understanding of database schema and API structures for core financial modules: General Ledger (GL), Accounts Payable (AP), Accounts Receivable (AR), Fixed Assets (FA), and Cash Management (CE).
        The contract requires a solid understanding of database schema and API structures for core financial modules: General Ledger (GL), Accounts Payable (AP), Accounts Receivable (AR), Fixed Assets (FA), and Cash Management (CE).
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        FEATURED

        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.
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        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

        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.
        more

        Senior Backend Engineer

        MarkIT Placements
        Chilton, Didcot (OX11), OX11
        Up to £90,000 per annum
        If you enjoy owning backend services end to end, care deeply about reliability and API quality in a high-impact environment, this role offers both autonomy and real impact. * Mentor engineers on backend design and API ergonomics. * Experience with API versioning, security, documentation strategies, and automated testing.
        If you enjoy owning backend services end to end, care deeply about reliability and API quality in a high-impact environment, this role offers both autonomy and real impact. * Mentor engineers on backend design and API ergonomics. * Experience with API versioning, security, documentation strategies, and automated testing.
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        The successful candidate will play a key role in customer data migration, system integration, data synchronisation, and API connectivity across multiple business-critical platforms. API & Systems Integration * Interpret and work with API documentation to understand existing integrations and services. * API authentication and security * Experience using tools such as Postman for API testing and integration validation.
        The successful candidate will play a key role in customer data migration, system integration, data synchronisation, and API connectivity across multiple business-critical platforms. API & Systems Integration * Interpret and work with API documentation to understand existing integrations and services. * API authentication and security * Experience using tools such as Postman for API testing and integration validation.
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        Full Stack .NET Web Developer

        Association For Project Management
        Saunderton Lee, Princes Risborough (HP27), HP27 9LE
        From £50,000 to £55,000 per annum
        Salary: £50,000- £55,000 per annum (depending on experience) 12-month Fixed Term Contract (Full time - 35 hours per week) Hybrid Working Home Based/Princes Risborough - Were Association for Project Management (APM). Were a professional membership organisation that sets the standards for the project profession. As a registered charity, we reinvest our surplus for the benefit of our members and the profession. We deliver education and develop qualifications. We conduct research and provide knowledge and resources. We run events and share best practice. We give people the opportunity to connect and provide community for our individual members and corporate partners, wherever they are. Above all, when doing so makes a difference, we challenge the status quo - Job Role Overview - An exciting opportunity has arisen for a Full Stack .NET Web Developer to join our Digital team on a fixed term ...
        Salary: £50,000- £55,000 per annum (depending on experience) 12-month Fixed Term Contract (Full time - 35 hours per week) Hybrid Working Home Based/Princes Risborough - Were Association for Project Management (APM). Were a professional membership organisation that sets the standards for the project profession. As a registered charity, we reinvest our surplus for the benefit of our members and the profession. We deliver education and develop qualifications. We conduct research and provide knowledge and resources. We run events and share best practice. We give people the opportunity to connect and provide community for our individual members and corporate partners, wherever they are. Above all, when doing so makes a difference, we challenge the status quo - Job Role Overview - An exciting opportunity has arisen for a Full Stack .NET Web Developer to join our Digital team on a fixed term ...
        more

        Full Stack Engineer

        Dignity Funerals Limited
        Boyn Hill, Maidenhead (SL6), SL6 5AA
        up to £75k
        Senior Full Stack Engineer - Role Type: Permanent - Location: Maidenhead (Hybrid - 3 days a week) Here at Dignity Funerals, a purpose-driven organisation committed to supporting families at life's most important moments, we're looking for a Senior Full Stack Engineer to help shape and deliver the next generation of digital experiences. This is a role for a hands-on technical leader who thrives on solving complex challenges while elevating those around them. You'll play a key role in driving engineering excellence, mentoring others, and shaping the future of our tech landscape. What you'll be doing * Own & deliver complex, scalable solutions across the full stack * Drive technical direction - influence architecture, tooling, and long-term strategy * Code with impact - tackling ambiguous problems with high-quality, maintainable solutions
        Senior Full Stack Engineer - Role Type: Permanent - Location: Maidenhead (Hybrid - 3 days a week) Here at Dignity Funerals, a purpose-driven organisation committed to supporting families at life's most important moments, we're looking for a Senior Full Stack Engineer to help shape and deliver the next generation of digital experiences. This is a role for a hands-on technical leader who thrives on solving complex challenges while elevating those around them. You'll play a key role in driving engineering excellence, mentoring others, and shaping the future of our tech landscape. What you'll be doing * Own & deliver complex, scalable solutions across the full stack * Drive technical direction - influence architecture, tooling, and long-term strategy * Code with impact - tackling ambiguous problems with high-quality, maintainable solutions
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        NEW

        Technical Architect

        Yolk Recruitment Limited
        Reading (RG1)
        £700.00 - £800.00 per day
        MERITUS are recruiting for an SC Cleared Technical Architect / Solution Architect to join our client delivering secure, large-scale technology programmes within the Defence and Central Government sector. As a Technical Architect, you will lead the design and assurance of complex, secure systems across major government programmes. You will ensure architectural integrity across the full delivery lifecycle, working closely with engineering, delivery, and security teams to design scalable, compliant, cloud-based solutions. * Lead technical design of large-scale, complex systems * Define and govern solution architecture and technical designs * Ensure alignment with security, performance, scalability, and compliance standards * Work closely with engineering, delivery, and business stakeholders * Provide technical governance, assurance, and risk evaluation
        MERITUS are recruiting for an SC Cleared Technical Architect / Solution Architect to join our client delivering secure, large-scale technology programmes within the Defence and Central Government sector. As a Technical Architect, you will lead the design and assurance of complex, secure systems across major government programmes. You will ensure architectural integrity across the full delivery lifecycle, working closely with engineering, delivery, and security teams to design scalable, compliant, cloud-based solutions. * Lead technical design of large-scale, complex systems * Define and govern solution architecture and technical designs * Ensure alignment with security, performance, scalability, and compliance standards * Work closely with engineering, delivery, and business stakeholders * Provide technical governance, assurance, and risk evaluation
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        Description - Join us, be part of more. We're so much more than an energy company. We're a family of brands revolutionising how we power the planet. We're energisers. One team of 21,000 colleagues that's energising a greener, fairer future by creating an energy system that doesn't rely on fossil fuels, whilst living our powerful commitment to igniting positive change in our communities. Here, you can find more purpose, more passion, and more potential. That's why working here is #MoreThanACareer. We do energy differently - we do it all. We make it, store it, move it, sell it, and mend it. Centrica, Technology is a core driver of how we deliver our strategy. You'll join a team modernising our platforms, strengthening cyber and operational resilience, and advancing a product-led way of working that brings engineers, data specialists and business experts together to deliver ...
        Description - Join us, be part of more. We're so much more than an energy company. We're a family of brands revolutionising how we power the planet. We're energisers. One team of 21,000 colleagues that's energising a greener, fairer future by creating an energy system that doesn't rely on fossil fuels, whilst living our powerful commitment to igniting positive change in our communities. Here, you can find more purpose, more passion, and more potential. That's why working here is #MoreThanACareer. We do energy differently - we do it all. We make it, store it, move it, sell it, and mend it. Centrica, Technology is a core driver of how we deliver our strategy. You'll join a team modernising our platforms, strengthening cyber and operational resilience, and advancing a product-led way of working that brings engineers, data specialists and business experts together to deliver ...
        more
        PREMIUM

        MS Dynamics Developer

        Certain Advantage
        South Farnborough, Farnborough (GU14), GU14 6TF
        £30 - £38.25 per hour
        MS Dynamics 365 Developer - Certain Advantage is hiring for an MS Dynamics 365 Developer based in the Farnborough area. This role is on a contract basis and is hybrid-based. The Company - Were working with a Manufacturing business that operates in the Aerospace sector. They design, manufacture and deliver industry-leading commercial aircraft, and a separate Space and Defence division. Does this sound like your next career move? If youre ambitious to grow, this may be your next role? This role is for an MS Dynamics 365 Developersomeone ambitious and ready to make an impact. Youll be results-oriented and driven to succeed. * Design and develop customisations, plugins, workflows, and integrations within the D365 environment. * Customise and extend D365 modules using X++, C#, JavaScript, Power Automate, and Power Apps.
        MS Dynamics 365 Developer - Certain Advantage is hiring for an MS Dynamics 365 Developer based in the Farnborough area. This role is on a contract basis and is hybrid-based. The Company - Were working with a Manufacturing business that operates in the Aerospace sector. They design, manufacture and deliver industry-leading commercial aircraft, and a separate Space and Defence division. Does this sound like your next career move? If youre ambitious to grow, this may be your next role? This role is for an MS Dynamics 365 Developersomeone ambitious and ready to make an impact. Youll be results-oriented and driven to succeed. * Design and develop customisations, plugins, workflows, and integrations within the D365 environment. * Customise and extend D365 modules using X++, C#, JavaScript, Power Automate, and Power Apps.
        more

        Senior AI Engineer (LLMs, Python & Java)

        Halian Technology Limited
        Bracknell (RG12)
        £95,000 per annum Bonus and benefits
        Bracknell (Hybrid) What if you could own and build the AI capability from the ground up in a scaling, purpose-driven tech company? Were hiring the first dedicated AI Engineer to join a fast-growing (~280 people) Healthtech organisation making a real-world impact. This is a rare opportunity to shape the AI strategy, design production-grade systems, and bring cutting-edge LLM-powered solutions into a live product environment. The Role - Youll sit at the intersection of AI, backend engineering, and cloud systems, designing and deploying intelligent features that directly impact users. * Design and implement LLM-based applications (RAG pipelines, agents, copilots) * Build scalable backend services using Python and Java * Integrate AI into existing cloud-native SaaS platforms * Own the full lifecycle: experimentation ? prototyping ? production
        Bracknell (Hybrid) What if you could own and build the AI capability from the ground up in a scaling, purpose-driven tech company? Were hiring the first dedicated AI Engineer to join a fast-growing (~280 people) Healthtech organisation making a real-world impact. This is a rare opportunity to shape the AI strategy, design production-grade systems, and bring cutting-edge LLM-powered solutions into a live product environment. The Role - Youll sit at the intersection of AI, backend engineering, and cloud systems, designing and deploying intelligent features that directly impact users. * Design and implement LLM-based applications (RAG pipelines, agents, copilots) * Build scalable backend services using Python and Java * Integrate AI into existing cloud-native SaaS platforms * Own the full lifecycle: experimentation ? prototyping ? production
        more

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        What is the average salary for API in Reading?

        Average salary per year
        £72,499

        The average salary for a API in Reading is £72,499. API in Reading salaries range from £52,499 to £89,340.

        Frequently Asked Questions

        How many API jobs are there in Reading?
        There are 53 API jobs within 20 miles of Reading available on CWJobs right now.

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