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        Api
        Aylesbury
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        0 Temporary API jobs in Aylesbury + 20 miles

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        Contract Developer - Node.js, REST API, SIP, VOIP

        Reed Technology
        RG12, Bracknell
        £500 - £550 per day
        Contract Developer - Node.js development, REST API design, and SIP-based communications * Duration: 3 months (Outside IR35) * Location: Bracknell / Hybrid Contract Developer with deep expertise in Node.js development, REST API design, and SIP-based communications. This role is crucial for supporting the migration of legacy device management, call control, and configuration workflows to a secure, scalable cloud environment. * Cloud Migration & Refactoring: Analyse existing applications to identify dependencies on on-prem infrastructure and design cloud-native solutions. Refactor services to enhance scalability and reliability in the cloud. * Service & API Development: Develop and maintain secure REST APIs for functionalities such as SIP authentication, call control, and real-time data interactions.
        Contract Developer - Node.js development, REST API design, and SIP-based communications * Duration: 3 months (Outside IR35) * Location: Bracknell / Hybrid Contract Developer with deep expertise in Node.js development, REST API design, and SIP-based communications. This role is crucial for supporting the migration of legacy device management, call control, and configuration workflows to a secure, scalable cloud environment. * Cloud Migration & Refactoring: Analyse existing applications to identify dependencies on on-prem infrastructure and design cloud-native solutions. Refactor services to enhance scalability and reliability in the cloud. * Service & API Development: Develop and maintain secure REST APIs for functionalities such as SIP authentication, call control, and real-time data interactions.
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        NEW

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        Tiro Partners
        London
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        Aimtech Recruitment Ltd
        N1, North London
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        Deerfoot Recruitment Solutions
        SO14, Southampton
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        JavaScript Developer

        Bright Purple Resourcing
        Scotland
        £400 - £450 (Outside IR35)
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        HP12, High Wycombe
        Unspecified
        An established designer of smart energy solutions is seeking a C# Developer to help build and enhance a range of in-house and customer-facing applications including desktop, web and mobile apps. The company is ambitious and currently in year two of a five year growth plan to double in size. This role offers the chance to work on impactful projects within a forward thinking environment that is driving innovation in smart systems and energy technology. They are seeking a C# Developer with 3+ years of experience to join their team and work alongside an existing developer on a variety of in-house and customer-facing projects. This is an opportunity to contribute to innovative smart energy solutions while gaining exposure to a broad range of applications and technologies. This is a varied and dynamic role where no two days are the same.
        An established designer of smart energy solutions is seeking a C# Developer to help build and enhance a range of in-house and customer-facing applications including desktop, web and mobile apps. The company is ambitious and currently in year two of a five year growth plan to double in size. This role offers the chance to work on impactful projects within a forward thinking environment that is driving innovation in smart systems and energy technology. They are seeking a C# Developer with 3+ years of experience to join their team and work alongside an existing developer on a variety of in-house and customer-facing projects. This is an opportunity to contribute to innovative smart energy solutions while gaining exposure to a broad range of applications and technologies. This is a varied and dynamic role where no two days are the same.
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        Backend Engineer - London Onsite

        LJ Recruitment Limited
        EC1, City of London
        £60000 - £75000 per annum
        Backend Engineer - Scale Systems with Real Impact ?? Tired of tinkering at the edges? Want to actually shape the backbone of a platform that's transforming how the world's biggest enterprises run their tech? This is one of those rare roles where you get in early, build the foundations, and watch your work scale across global businesses. We're working with a high-growth London startup on a mission to reinvent enterprise software. Their AI-driven platform is already saving household-name customers millions in IT costs, shaving months off ERP project timelines, and making sense of the mess that legacy systems leave behind. SAP is just the beginning - they're building a whole new category of Enterprise System Intelligence. The Role * Build core systems capable of handling tens of millions of lines of code and large-scale LLM workloads.
        Backend Engineer - Scale Systems with Real Impact ?? Tired of tinkering at the edges? Want to actually shape the backbone of a platform that's transforming how the world's biggest enterprises run their tech? This is one of those rare roles where you get in early, build the foundations, and watch your work scale across global businesses. We're working with a high-growth London startup on a mission to reinvent enterprise software. Their AI-driven platform is already saving household-name customers millions in IT costs, shaving months off ERP project timelines, and making sense of the mess that legacy systems leave behind. SAP is just the beginning - they're building a whole new category of Enterprise System Intelligence. The Role * Build core systems capable of handling tens of millions of lines of code and large-scale LLM workloads.
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        NEWFEATURED

        Software Engineer

        Searchability (UK) Ltd
        RG17, Hungerford
        £40000 - £65000 per annum
        * Opportunity to join a global SaaS company * Salary up to £65k * Hybrid working from Hungerford HQ (3 days onsite) * Tech stack: C#, ASP.NET, .NET CORE, SQL, Azure * Clear career progression into the leadership team * Opportunities to work with technologies such as React and .NET MAUI We're a global SaaS company offering a cloud-based platform. Headquartered in Hungerford, we also have offices across the UK and internationally. We pride ourselves on being a great place to work, with a modern, forward-thinking approach to workplace flexibility and employee wellbeing. WHAT YOU'LL BE DOING You'll be responsible for managing multiple concurrent projects, ensuring timely delivery, maintaining high code quality, and following established development standards.
        * Opportunity to join a global SaaS company * Salary up to £65k * Hybrid working from Hungerford HQ (3 days onsite) * Tech stack: C#, ASP.NET, .NET CORE, SQL, Azure * Clear career progression into the leadership team * Opportunities to work with technologies such as React and .NET MAUI We're a global SaaS company offering a cloud-based platform. Headquartered in Hungerford, we also have offices across the UK and internationally. We pride ourselves on being a great place to work, with a modern, forward-thinking approach to workplace flexibility and employee wellbeing. WHAT YOU'LL BE DOING You'll be responsible for managing multiple concurrent projects, ensuring timely delivery, maintaining high code quality, and following established development standards.
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        FEATURED
        Role Full Stack Developer Location - London (Remote) Salary - £70K - £85K Role Type Permanent Myn is an AI driven marketplace that connects the candidates, clients and recruiters. Myn collaborates with leading employers to offer exclusive, carefully matched permanent positions. Overview Are you a talented Full Stack Developer eager to make an immediate impact on exciting projects? Our client is seeking an experienced Full Stack development professional for a hybrid position to be based in Central London, but operating remotely * Design and implement robust web applications using cutting-edge technologies and frameworks. * Collaborate with cross-functional teams to drive the full development lifecycle, from concept to deployment. * Engage in continuous learning and professional development, enhancing your skills and career prospects.
        Role Full Stack Developer Location - London (Remote) Salary - £70K - £85K Role Type Permanent Myn is an AI driven marketplace that connects the candidates, clients and recruiters. Myn collaborates with leading employers to offer exclusive, carefully matched permanent positions. Overview Are you a talented Full Stack Developer eager to make an immediate impact on exciting projects? Our client is seeking an experienced Full Stack development professional for a hybrid position to be based in Central London, but operating remotely * Design and implement robust web applications using cutting-edge technologies and frameworks. * Collaborate with cross-functional teams to drive the full development lifecycle, from concept to deployment. * Engage in continuous learning and professional development, enhancing your skills and career prospects.
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