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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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        Job Description: Responsibilities Understanding and Knowledge of Technologies Bookassist Products You should have a broad knowledge of Bookassist products & the technologies used to build them. When you lack specific knowledge you should be able to acquire it to make changes and improvements to the product. Understanding Build You should understand the build process for Bookassist software, and be involved writing and maintaining for products you own Full control of the development environment set up You should have a good understanding and control of the local environment set up, including remote development.
        Job Description: Responsibilities Understanding and Knowledge of Technologies Bookassist Products You should have a broad knowledge of Bookassist products & the technologies used to build them. When you lack specific knowledge you should be able to acquire it to make changes and improvements to the product. Understanding Build You should understand the build process for Bookassist software, and be involved writing and maintaining for products you own Full control of the development environment set up You should have a good understanding and control of the local environment set up, including remote development.
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        PREMIUM
        * Open to UK/EU-Based Candidates Only * Outside IR35 * 9-12 Month Initial Contract | Start ASAP | Likely Extension New contract opportunity for an experienced .NET Developer to join a high-profile programme in the banking/fintech sector, delivering secure enterprise applications and integrating AI/ML solutions. * Independently manage and deliver technical projects end-to-end - greenfield project experience. * Design, develop, test, and deploy enterprise applications using Microsoft technologies. * Build secure fintech workflows aligned with compliance (GDPR, OAuth, encryption). * Integrate and deploy AI/ML components (NLP and recommendation systems). * Collaborate in an Agile (Scrum/Kanban) environment with technical and business teams. * Strong experience with .NET, C#, Azure, Power Platform * Proven background building secure enterprise / banking systems
        * Open to UK/EU-Based Candidates Only * Outside IR35 * 9-12 Month Initial Contract | Start ASAP | Likely Extension New contract opportunity for an experienced .NET Developer to join a high-profile programme in the banking/fintech sector, delivering secure enterprise applications and integrating AI/ML solutions. * Independently manage and deliver technical projects end-to-end - greenfield project experience. * Design, develop, test, and deploy enterprise applications using Microsoft technologies. * Build secure fintech workflows aligned with compliance (GDPR, OAuth, encryption). * Integrate and deploy AI/ML components (NLP and recommendation systems). * Collaborate in an Agile (Scrum/Kanban) environment with technical and business teams. * Strong experience with .NET, C#, Azure, Power Platform * Proven background building secure enterprise / banking systems
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        FEATURED

        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.
        more
        NEWFEATURED
        A leading technical consultancy is seeking a Full Stack Integration Developer for an Outside IR35 contract. This hybrid role (London-based) offers and requires SC Clearance. You'll play a key role in a large-scale digitisation program, developing and integrating modern web applications within an Azure ecosystem. While primarily hands-on, you'll also contribute to architectural design and strategy. * Application Development: Build and maintain scalable web applications using .NET (C#, ASP.NET Core) and Azure Functions. * Front-End Development: Develop modern UIs using NextJS and other JavaScript frameworks. * Integration & Backend: Work with Azure Service Bus, Event Grid, and Static Web Apps. Design and optimize SQL Server databases, stored procedures, and APIs. * DevOps & Infrastructure: Create and manage CI/CD pipelines using Azure DevOps, GitHub Actions, or Jenkins.
        A leading technical consultancy is seeking a Full Stack Integration Developer for an Outside IR35 contract. This hybrid role (London-based) offers and requires SC Clearance. You'll play a key role in a large-scale digitisation program, developing and integrating modern web applications within an Azure ecosystem. While primarily hands-on, you'll also contribute to architectural design and strategy. * Application Development: Build and maintain scalable web applications using .NET (C#, ASP.NET Core) and Azure Functions. * Front-End Development: Develop modern UIs using NextJS and other JavaScript frameworks. * Integration & Backend: Work with Azure Service Bus, Event Grid, and Static Web Apps. Design and optimize SQL Server databases, stored procedures, and APIs. * DevOps & Infrastructure: Create and manage CI/CD pipelines using Azure DevOps, GitHub Actions, or Jenkins.
        more
        NEW

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