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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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        About Dune Dune is on a mission to make crypto data accessible. Were a collaborative multi-chain analytics platform used by thousands of developers, analysts, & investors to understand the on-chain world and the frontiers of finance. Were a team of ~55 employees, working together across Europe and eastern US timezones ?. We believe in our mission, and in building a powerful, open product that allows individuals and communities to do deep research into important ecosystems like Bitcoin, Ethereum, Solana, and many more. Were backed by some of the world's best investors. In February 2022, we announced our Series B funding round led by Coatue and Union Square Ventures, an important milestone that allowed us to double down on our mission. Were using the funds to educate, reward and empower a new generation of onchain analysts aka Wizards
        About Dune Dune is on a mission to make crypto data accessible. Were a collaborative multi-chain analytics platform used by thousands of developers, analysts, & investors to understand the on-chain world and the frontiers of finance. Were a team of ~55 employees, working together across Europe and eastern US timezones ?. We believe in our mission, and in building a powerful, open product that allows individuals and communities to do deep research into important ecosystems like Bitcoin, Ethereum, Solana, and many more. Were backed by some of the world's best investors. In February 2022, we announced our Series B funding round led by Coatue and Union Square Ventures, an important milestone that allowed us to double down on our mission. Were using the funds to educate, reward and empower a new generation of onchain analysts aka Wizards
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        Job Role: Software Engineer - Angular Job Type: Contract (part time) Location: Remote (UK only) Daily rate: £425 per day (Outside IR35) * Duration: 12 months * Commitment: 1-2 days per month (final week of each month) * Scope: Maintenance support, system health, troubleshooting, and minor enhancements We are hiring on behalf of our client, an established organisation with a large-scale digital presence. They are seeking reliable ongoing support to maintain and optimise their Contentful-based web platform. This role will initially focus on the current tech stack and then transition to their new website following its launch in late October. This is a 12-month contract requiring approximately three days of support each month. The work is primarily maintenance-focused, ensuring system stability, keeping packages up to date, and addressing issues as they arise.
        Job Role: Software Engineer - Angular Job Type: Contract (part time) Location: Remote (UK only) Daily rate: £425 per day (Outside IR35) * Duration: 12 months * Commitment: 1-2 days per month (final week of each month) * Scope: Maintenance support, system health, troubleshooting, and minor enhancements We are hiring on behalf of our client, an established organisation with a large-scale digital presence. They are seeking reliable ongoing support to maintain and optimise their Contentful-based web platform. This role will initially focus on the current tech stack and then transition to their new website following its launch in late October. This is a 12-month contract requiring approximately three days of support each month. The work is primarily maintenance-focused, ensuring system stability, keeping packages up to date, and addressing issues as they arise.
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        Position Overview Job Title Senior Java Developer Engineer (m/f/x) - Corporate Bank Technology - Merchant Solutions Location London Corporate Title Assistant Vice President Deutsche Bank Technology is a global team of tech specialists, spread across multiple hubs and tech centres. We have a strong focus on promoting technical excellence our engineers work at the forefront of financial services innovation using cutting-edge technologies. The Merchant Solutions Technology group provides the Corporate Bank with a dedicated team that capitalizes on the rapidly evolving technology industry to provide our clients with new products and innovation to meet their growing needs within an Agile FinTech-like setup.
        Position Overview Job Title Senior Java Developer Engineer (m/f/x) - Corporate Bank Technology - Merchant Solutions Location London Corporate Title Assistant Vice President Deutsche Bank Technology is a global team of tech specialists, spread across multiple hubs and tech centres. We have a strong focus on promoting technical excellence our engineers work at the forefront of financial services innovation using cutting-edge technologies. The Merchant Solutions Technology group provides the Corporate Bank with a dedicated team that capitalizes on the rapidly evolving technology industry to provide our clients with new products and innovation to meet their growing needs within an Agile FinTech-like setup.
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        Job Title: Social Media Technology Executive Location: 1HQ Type of contract: full-time, permanent Diageo is the worlds leading premium drinks company, a business built on the principles and foundations laid by the giants of our industry. Arthur Guinness, Alexander Walker, and many other dedicated people that followed in their footsteps, cared deeply about the people and businesses they fostered, and the communities in which they operated. Today we stand on the shoulders of these giants and act with the same entrepreneurial spirit. We are a spirited company born of an incredible entrepreneurial legacy. The success of Guinness, Smirnoff, Johnnie Walker, Tanqueray, Baileys and many more brands led to the formation of our company in 1997. And we only thrive today because of the talent of our people to grow our brands, old and new, and keep them strong.
        Job Title: Social Media Technology Executive Location: 1HQ Type of contract: full-time, permanent Diageo is the worlds leading premium drinks company, a business built on the principles and foundations laid by the giants of our industry. Arthur Guinness, Alexander Walker, and many other dedicated people that followed in their footsteps, cared deeply about the people and businesses they fostered, and the communities in which they operated. Today we stand on the shoulders of these giants and act with the same entrepreneurial spirit. We are a spirited company born of an incredible entrepreneurial legacy. The success of Guinness, Smirnoff, Johnnie Walker, Tanqueray, Baileys and many more brands led to the formation of our company in 1997. And we only thrive today because of the talent of our people to grow our brands, old and new, and keep them strong.
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        Job Description Job Type: Perm Location: London. Flexible working: All our roles are open to part-time, job-share and other types of flexibility. We will discuss what is important to you and balancing this with business requirements during the recruitment process. You can read more about Phoenix Flex here. Salary and benefits: Up tp £100,000 plus bonus 16% - 32%, private medical cover, 38 days annual leave, excellent pension, 12x salary life assurance, career breaks, income protection, 3x volunteering days and much more Closing Date: 15th September Were Phoenix Group, were a long-term savings and retirement business. We offer a range of products across our market-leading brands, Standard Life, SunLife, Phoenix Life and ReAssure. Around 1 in 5 people in the UK has a pension with us.
        Job Description Job Type: Perm Location: London. Flexible working: All our roles are open to part-time, job-share and other types of flexibility. We will discuss what is important to you and balancing this with business requirements during the recruitment process. You can read more about Phoenix Flex here. Salary and benefits: Up tp £100,000 plus bonus 16% - 32%, private medical cover, 38 days annual leave, excellent pension, 12x salary life assurance, career breaks, income protection, 3x volunteering days and much more Closing Date: 15th September Were Phoenix Group, were a long-term savings and retirement business. We offer a range of products across our market-leading brands, Standard Life, SunLife, Phoenix Life and ReAssure. Around 1 in 5 people in the UK has a pension with us.
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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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        Location: London - 1x a month Salary: Up to £120,000 (D.O.E) + benefits Fruition Group are partnering with a high-growth Insurtech unicorn that's scaling its engineering function. This is a unique chance to work across both proven, revenue-generating products and greenfield initiatives that are reshaping the future of insurance. It's an ideal role for a driven Lead Engineer who thrives in ambitious environments and wants to make a tangible impact. As a Lead Backend Engineer, you'll take ownership of designing and scaling cloud-native backend systems. You'll work primarily with Python (FastAPI) and play a key role in shaping the architecture of microservices that support millions of users. Beyond hands-on development, you'll provide technical leadership, mentor team members, and influence strategic engineering decisions.
        Location: London - 1x a month Salary: Up to £120,000 (D.O.E) + benefits Fruition Group are partnering with a high-growth Insurtech unicorn that's scaling its engineering function. This is a unique chance to work across both proven, revenue-generating products and greenfield initiatives that are reshaping the future of insurance. It's an ideal role for a driven Lead Engineer who thrives in ambitious environments and wants to make a tangible impact. As a Lead Backend Engineer, you'll take ownership of designing and scaling cloud-native backend systems. You'll work primarily with Python (FastAPI) and play a key role in shaping the architecture of microservices that support millions of users. Beyond hands-on development, you'll provide technical leadership, mentor team members, and influence strategic engineering decisions.
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        Senior Software Engineer - eDV Cleared

        NSD
        London
        £45000 - £100000 per annum + + Clearance Bonus + Company Bonus
        * Permanent job opportunity for a Senior Software Engineer * Globally leading defence / cyber security company * Salary up to £100,000 plus clearance bonus * London based organisation in an easily accessible location * Permanent Software Engineer We are recruiting Senior and Lead Software Engineers to work with a multi-national, industry leading National Security client in central London. Due to the nature of the work you must hold enhanced DV Security Clearance. As a Senior Software Engineer, you will work with an experienced agile team to design and deliver packages of bespoke work, work development teams and liaise with customers. You will work through the entire software development life cycle from requirements capture to R&D, implementation to automation. * Current enhanced DV clearance
        * Permanent job opportunity for a Senior Software Engineer * Globally leading defence / cyber security company * Salary up to £100,000 plus clearance bonus * London based organisation in an easily accessible location * Permanent Software Engineer We are recruiting Senior and Lead Software Engineers to work with a multi-national, industry leading National Security client in central London. Due to the nature of the work you must hold enhanced DV Security Clearance. As a Senior Software Engineer, you will work with an experienced agile team to design and deliver packages of bespoke work, work development teams and liaise with customers. You will work through the entire software development life cycle from requirements capture to R&D, implementation to automation. * Current enhanced DV clearance
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        London, UK 6 Month Contract An incredible opportunity for an experienced Senior Go Developer with strong backend engineering skills to join a prestigious tech client on a contract basis. Known for its high bar for engineering quality, this isn't your typical banking or fintech gig - contractors here are genuinely embedded, involved, and making meaningful impact from day one. As a Senior Go Developer, you'll play a key role in building mission-critical, data-driven services that power core parts of the platform. You'll take ownership across the full development lifecycle, from system design and implementation to optimisation and release. You'll be working in an open, fast-moving environment where ideas get tested quickly and good engineering practices are taken seriously. If you like seeing your work go live within days - not weeks - you'll fit right in.
        London, UK 6 Month Contract An incredible opportunity for an experienced Senior Go Developer with strong backend engineering skills to join a prestigious tech client on a contract basis. Known for its high bar for engineering quality, this isn't your typical banking or fintech gig - contractors here are genuinely embedded, involved, and making meaningful impact from day one. As a Senior Go Developer, you'll play a key role in building mission-critical, data-driven services that power core parts of the platform. You'll take ownership across the full development lifecycle, from system design and implementation to optimisation and release. You'll be working in an open, fast-moving environment where ideas get tested quickly and good engineering practices are taken seriously. If you like seeing your work go live within days - not weeks - you'll fit right in.
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