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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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JavaScript React Developer London (Hybrid) 6 month contract Rates: Negotiable Overview We are seeking an experienced Software Engineer to join a global technology team within a leading energy trading business. This role is suited to a developer with strong front-end expertise, solid cloud experience, and a track record of delivering business-critical applications in fast-paced environments. The ideal candidate will have excellent problem-solving skills, a user-focused mindset, and the ability to thrive in Agile delivery teams. Key Responsibilities * Design and build modern web applications using React, TypeScript, CSS, Jest/Vitest, Webpack, and Ag Grid. * Apply modern JavaScript coding, testing, debugging, and automation techniques. * Contribute to the creation and optimisation of CI/CD pipelines and deployment practices.
JavaScript React Developer London (Hybrid) 6 month contract Rates: Negotiable Overview We are seeking an experienced Software Engineer to join a global technology team within a leading energy trading business. This role is suited to a developer with strong front-end expertise, solid cloud experience, and a track record of delivering business-critical applications in fast-paced environments. The ideal candidate will have excellent problem-solving skills, a user-focused mindset, and the ability to thrive in Agile delivery teams. Key Responsibilities * Design and build modern web applications using React, TypeScript, CSS, Jest/Vitest, Webpack, and Ag Grid. * Apply modern JavaScript coding, testing, debugging, and automation techniques. * Contribute to the creation and optimisation of CI/CD pipelines and deployment practices.
2025-09-09T00:00:00.000Z Uxbridge Want a 3D Career? Join Norgine. At Norgine, our colleagues Dare themselves to be different and try new things, Drive to achieve their goals and beyond, and Develop themselves and their community. We call it the 3D career at Norgine and it offers you a fully-rounded experience with no limits. Bring everything about yourself that you're proud of, whether that's your passion for making a difference, focus on others' well-being, or intellectual curiosity to unleash in a fast-paced environment and supportive community. In return, get a sense of belonging, a long-term career with ongoing development and upskilling, and a company that cares about people's wellness as much as you do. Norgine: Transforming Healthcare, Backed by Over a Century of Expertise. We have an exciting opportunity for an Enterprise Architect to join Norgine.
2025-09-09T00:00:00.000Z Uxbridge Want a 3D Career? Join Norgine. At Norgine, our colleagues Dare themselves to be different and try new things, Drive to achieve their goals and beyond, and Develop themselves and their community. We call it the 3D career at Norgine and it offers you a fully-rounded experience with no limits. Bring everything about yourself that you're proud of, whether that's your passion for making a difference, focus on others' well-being, or intellectual curiosity to unleash in a fast-paced environment and supportive community. In return, get a sense of belonging, a long-term career with ongoing development and upskilling, and a company that cares about people's wellness as much as you do. Norgine: Transforming Healthcare, Backed by Over a Century of Expertise. We have an exciting opportunity for an Enterprise Architect to join Norgine.
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Senior Backend Engineer - Python Outside IR35 Hybrid - Oxford or London | Contract Our client, a UK-based deep tech start-up, is seeking an experienced Senior Backend Engineer (Python & Django or Flask) to own and operate mission-critical backend services powering generative AI products. You'll architect, build, and run scalable APIs and data services end-to-end, collaborating closely with AI engineers to deliver new features from concept to production. This role offers the opportunity to shape the backend systems at the core of cutting-edge AI, with a strong focus on performance, reliability, and security. Key Responsibilities * Architect and evolve scalable backend services in Python (FastAPI/Django/Flask). * Design and operate RESTful APIs aligned with OpenAPI/Swagger. * Implement authentication and authorization (OAuth2/OIDC, permissions, session management).
Senior Backend Engineer - Python Outside IR35 Hybrid - Oxford or London | Contract Our client, a UK-based deep tech start-up, is seeking an experienced Senior Backend Engineer (Python & Django or Flask) to own and operate mission-critical backend services powering generative AI products. You'll architect, build, and run scalable APIs and data services end-to-end, collaborating closely with AI engineers to deliver new features from concept to production. This role offers the opportunity to shape the backend systems at the core of cutting-edge AI, with a strong focus on performance, reliability, and security. Key Responsibilities * Architect and evolve scalable backend services in Python (FastAPI/Django/Flask). * Design and operate RESTful APIs aligned with OpenAPI/Swagger. * Implement authentication and authorization (OAuth2/OIDC, permissions, session management).
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Senior Full Stack Engineer
Senior Full Stack Engineer
REVYBE IT RECRUITMENT LIMITED
EC1, City of London
From £100,000 to £120,000 per annum + Shares
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Lead Software Engineer London (Hybrid 1x Per Month) Salary: Up to £100k + Benefits + Stock Options About Us Our client is a Insurtech Unicorn looking to expand their engineering team. With the opportunity to work on existing products which have generated millions in revenue to something new changing the landscape of the insurance world, this is the perfect opportunity for a results driven and growth focussed Senior engineer looking to start an ambitious business. The Role We're seeking a Lead Fullstack Engineer to own the frontend architecture and elevate the B2C user experience across our digital products. This is a high-impact role requiring technical vision, hands-on expertise, and leadership to drive innovation in a rapidly evolving environment.
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You will be heavily product focused and have a strong track record of demonstrating you are more than a coder and genuinely love the product build. * Strong experience of Python Development with Django Rest frameworks. * Expert with FastAPI andPostgres * Experience of refactoring monolithic systems. * Outstanding knowledge of MongoDB. * Worked on large scale codebases. * AWS Serverless experience. * Experience in scalable application design. * Proven ability to work well in a high growth tech SME. * Experience of pair-programming. * Work collaboratively and expertly as part of a team. The client is operating a 3 stage interview process and are looking to progress quickly. The business offer a superb benefits package alongside the remote working. Feedback will be provided on your CV from the client within a few days of having been submitted by Aimtech Recruitment.
You will be heavily product focused and have a strong track record of demonstrating you are more than a coder and genuinely love the product build. * Strong experience of Python Development with Django Rest frameworks. * Expert with FastAPI andPostgres * Experience of refactoring monolithic systems. * Outstanding knowledge of MongoDB. * Worked on large scale codebases. * AWS Serverless experience. * Experience in scalable application design. * Proven ability to work well in a high growth tech SME. * Experience of pair-programming. * Work collaboratively and expertly as part of a team. The client is operating a 3 stage interview process and are looking to progress quickly. The business offer a superb benefits package alongside the remote working. Feedback will be provided on your CV from the client within a few days of having been submitted by Aimtech Recruitment.
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Full Stack Developer - Active SC, Java, Spingboot, React
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London
£500.0 - £550.0 per day + Up to £550 per day (Inside IR35)
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Role Summary Our client is a leading VOD provider that is seeking an experienced Contract Scala Engineer within their VOD services team. This role is critical in maintaining operational capacity following the departure of a team member and will ensure continuity of backend services development. The successful candidate will contribute to roadmap delivery, support backend engineering across distributed systems, and help safeguard delivery capacity during this transition period. * Design and implement backend services in Scala, ensuring high-quality, maintainable, and functional code * Validate correctness of solutions by applying modern testing practices and frameworks * Deploy and manage services in AWS cloud environments * Work with databases such as PostgreSQL and Redis to support service functionality
Role Summary Our client is a leading VOD provider that is seeking an experienced Contract Scala Engineer within their VOD services team. This role is critical in maintaining operational capacity following the departure of a team member and will ensure continuity of backend services development. The successful candidate will contribute to roadmap delivery, support backend engineering across distributed systems, and help safeguard delivery capacity during this transition period. * Design and implement backend services in Scala, ensuring high-quality, maintainable, and functional code * Validate correctness of solutions by applying modern testing practices and frameworks * Deploy and manage services in AWS cloud environments * Work with databases such as PostgreSQL and Redis to support service functionality
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Senior Backend Engineer
Senior Backend Engineer
Innovate Recruitment Ltd
EC1N, City of London
Up to £95,000 per annum Benefits, Bonus, Share scheme
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Onsite: Tuesday, Wednesday, Thursday £80k-£95k DoE. Our client is looking for an experienced Senior Backend Engineer with strong Golang expertise to help shape the systems, processes, and architecture driving their mission. If youre a hands-on problem solver who thrives in fast-paced, collaborative environments, this is a chance to work on impactful projects while accelerating your career in a growing company. The Role Youll be part of a cross-functional squad, delivering new features and capabilities that the business depends on. The backend is built in Go, following a documentation-first approach and a service-oriented architecture. High code quality, automated testing, and seamless deployments through CI/CD pipelines into AWS are core to the way they work. What Youll Be Doing Build & Deliver * Write clean, testable, maintainable Go code
Software Engineer (Full Stack Python, AI, LLMs) - London Hybird
Software Engineer (Full Stack Python, AI, LLMs) - London Hybird
Transparent Technology
London, EC1A 4RN
£80000 - £135000 per annum + + bens + shares
Senior Software Engineer (AI Focus) - £80k-£135k + Benefits + Shares | London (Hybrid, 3 Days/Week) We're working with a leading AI consultancy - one of only four global partners of OpenAI - to hire talented Software Engineers (backend or full stack) to join their London team. You don't need to be a productionising AI/LLM expert already, they'll teach that. What matters is strong, hands-on software engineering experience and a passion for building scalable systems. * Build and deploy scalable agentic applications in Python (and ideally JavaScript/TypeScript) * Design and maintain microservices, APIs, and CI/CD pipelines * Work on multiple cloud platforms (AWS, GCP, or Azure) * Collaborate with AI specialists to deliver next-gen solutions * Stay hands-on coding daily (even at senior levels) * Strong software engineering background (backend or full stack)
Senior Software Engineer (AI Focus) - £80k-£135k + Benefits + Shares | London (Hybrid, 3 Days/Week) We're working with a leading AI consultancy - one of only four global partners of OpenAI - to hire talented Software Engineers (backend or full stack) to join their London team. You don't need to be a productionising AI/LLM expert already, they'll teach that. What matters is strong, hands-on software engineering experience and a passion for building scalable systems. * Build and deploy scalable agentic applications in Python (and ideally JavaScript/TypeScript) * Design and maintain microservices, APIs, and CI/CD pipelines * Work on multiple cloud platforms (AWS, GCP, or Azure) * Collaborate with AI specialists to deliver next-gen solutions * Stay hands-on coding daily (even at senior levels) * Strong software engineering background (backend or full stack)
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Job Title: Senior Developer Location:Osterley, UK (Hybrid) Duration: 6 months-Extendable * Architect, develop, and maintain scalable TypeScript/Node.js services and GraphQL APIs. * Write resilient, maintainable code with a strong focus on automated testing (unit, integration, functional, end-to-end, visual regression, Lighthouse). * Collaborate on DevOps practices: CI/CD (Jenkins, Concourse), containerisation, Helm chart authoring, and Kubernetes deployments. * Work within a cross-functional Agile team, contributing to technical direction, code reviews, and process improvements. * Ensure code is performant, secure, observable, and aligned with best practices. * Mentor and support junior developers, fostering a culture of technical excellence. * Extensive experience with TypeScript and Node.js in production environments.
Job Title: Senior Developer Location:Osterley, UK (Hybrid) Duration: 6 months-Extendable * Architect, develop, and maintain scalable TypeScript/Node.js services and GraphQL APIs. * Write resilient, maintainable code with a strong focus on automated testing (unit, integration, functional, end-to-end, visual regression, Lighthouse). * Collaborate on DevOps practices: CI/CD (Jenkins, Concourse), containerisation, Helm chart authoring, and Kubernetes deployments. * Work within a cross-functional Agile team, contributing to technical direction, code reviews, and process improvements. * Ensure code is performant, secure, observable, and aligned with best practices. * Mentor and support junior developers, fostering a culture of technical excellence. * Extensive experience with TypeScript and Node.js in production environments.
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Senior Software Engineer - Contract - Outside IR35 - £750 p/d
Senior Software Engineer - Contract - Outside IR35 - £750 p/d
Halian Technology Limited
SW13, South West London
From £600 to £750 per day 6 months initial contract
Our client, a high-growth AI tech business headquartered in London, are seeking an experienced Software Engineer to take a pivotal role in shaping and leading the role out of mission critical software to ensure their customers have 0 Down time. Senior Software Engineer * Go * React/Typescript * GCP * Understanding or experience of working on a AI Platform The Offer * Contract Type: Contract Outside IR35 * Working Pattern: Hybrid City * Package: £750 p/d
Our client, a high-growth AI tech business headquartered in London, are seeking an experienced Software Engineer to take a pivotal role in shaping and leading the role out of mission critical software to ensure their customers have 0 Down time. Senior Software Engineer * Go * React/Typescript * GCP * Understanding or experience of working on a AI Platform The Offer * Contract Type: Contract Outside IR35 * Working Pattern: Hybrid City * Package: £750 p/d
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AMS is a global workforce solutions partner committed to creating inclusive, dynamic, and future-ready workplaces. We help organisations adapt, grow, and thrive in an ever-evolving world by building, shaping, and optimising diverse talent strategies. Our Contingent Workforce Solutions (CWS) is one of our service offerings. Acting as an extension of their recruitment teams, we connect them with skilled interim and temporary professionals, fostering workplaces where everyone can contribute and succeed. Our client, a major UK retail bank, provides every day banking services to over 17 million retail customers. The banks expertise and services span across Business Services, Corporate banking, Wealth Management, Group Functions, Retail and Investment Banking.
AMS is a global workforce solutions partner committed to creating inclusive, dynamic, and future-ready workplaces. We help organisations adapt, grow, and thrive in an ever-evolving world by building, shaping, and optimising diverse talent strategies. Our Contingent Workforce Solutions (CWS) is one of our service offerings. Acting as an extension of their recruitment teams, we connect them with skilled interim and temporary professionals, fostering workplaces where everyone can contribute and succeed. Our client, a major UK retail bank, provides every day banking services to over 17 million retail customers. The banks expertise and services span across Business Services, Corporate banking, Wealth Management, Group Functions, Retail and Investment Banking.
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A leading Software Consultancy is seeking an experienced Software Architect to join their fast-growing and dynamic team. This is an exciting opportunity to work on cutting-edge projects, collaborating with engineers, stakeholders, and business leaders to design and deliver high-impact software systems. * Frontend: Angular.JS/TypeScript * Backend: Swift (Swift Vapor) Key Responsibilities * Lead the architecture and design of complex, scalable software solutions. * Provide technical leadership, mentoring engineers, and guiding decision-making across teams. * Champion best practices in software architecture, code quality, and delivery processes. * Collaborate closely with stakeholders to align technical strategy with business goals. Required Skills & Experience * Proven experience in Software Architect or Senior Engineering roles.
A leading Software Consultancy is seeking an experienced Software Architect to join their fast-growing and dynamic team. This is an exciting opportunity to work on cutting-edge projects, collaborating with engineers, stakeholders, and business leaders to design and deliver high-impact software systems. * Frontend: Angular.JS/TypeScript * Backend: Swift (Swift Vapor) Key Responsibilities * Lead the architecture and design of complex, scalable software solutions. * Provide technical leadership, mentoring engineers, and guiding decision-making across teams. * Champion best practices in software architecture, code quality, and delivery processes. * Collaborate closely with stakeholders to align technical strategy with business goals. Required Skills & Experience * Proven experience in Software Architect or Senior Engineering roles.
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NVIDIA has been transforming computer graphics, PC gaming, and accelerated computing for more than 25 years. Its a unique legacy of innovation thats fueled by great technologyand amazing people. Today, were tapping into the unlimited potential of AI to define the next era of computing. An era in which our GPU acts as the brains of computers, robots, and self-driving cars that can understand the world. Doing whats never been done before takes vision, innovation, and the worlds best talent. As an NVIDIAN, youll be immersed in a diverse, supportive environment where everyone is inspired to do their best work. Come join the team and see how you can make a lasting impact on the world. We have positions available for enthusiastic and experienced system software developers for the development of cloud related functionality in our Linux-based cluster software environment.
NVIDIA has been transforming computer graphics, PC gaming, and accelerated computing for more than 25 years. Its a unique legacy of innovation thats fueled by great technologyand amazing people. Today, were tapping into the unlimited potential of AI to define the next era of computing. An era in which our GPU acts as the brains of computers, robots, and self-driving cars that can understand the world. Doing whats never been done before takes vision, innovation, and the worlds best talent. As an NVIDIAN, youll be immersed in a diverse, supportive environment where everyone is inspired to do their best work. Come join the team and see how you can make a lasting impact on the world. We have positions available for enthusiastic and experienced system software developers for the development of cloud related functionality in our Linux-based cluster software environment.
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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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Hybrid: Two days in our client's Manchester office and three days working from home. On Monday morning, you might be refining an API connection between a collections database and a public-facing platform. By Wednesday, you could be writing a PHP 8.2 script to automate image processing for a new exhibition launch. Friday afternoon? Testing out an AI tool to help curators search archive materials faster. That’s the reality of life as a Backend Integration Developer here. No two weeks look the same. The mix of backend software development, systems integration, and cloud infrastructure work means you’ll constantly be learning, solving problems, and collaborating with colleagues from across the organisation. This is a fantastic opportunity for a technically adaptable developer to join a nationally respected cultural institution with an ambitious digital vision.
Hybrid: Two days in our client's Manchester office and three days working from home. On Monday morning, you might be refining an API connection between a collections database and a public-facing platform. By Wednesday, you could be writing a PHP 8.2 script to automate image processing for a new exhibition launch. Friday afternoon? Testing out an AI tool to help curators search archive materials faster. That’s the reality of life as a Backend Integration Developer here. No two weeks look the same. The mix of backend software development, systems integration, and cloud infrastructure work means you’ll constantly be learning, solving problems, and collaborating with colleagues from across the organisation. This is a fantastic opportunity for a technically adaptable developer to join a nationally respected cultural institution with an ambitious digital vision.
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Senior Software Developer - £65,000 to £85,000 - Hybrid - London
Senior Software Developer - £65,000 to £85,000 - Hybrid - London
FryerMiles Recruitment
London
£65k - 85k per year
FryerMiles are delighted to be working with a global AI business to assist with their recruitment of a Senior Software Developer to join their team in London. This is a fantastic opportunity for Senior Software Developer to join a rapidly growing global business working with large private and government clients. * Taking project briefs from the product owner and translating this into clean, well documented and elegant code * Ensure quality in service provision in line with ISO 9001 * Ensure information security in line with ISO27001 and Cyber Essentials Plus * Development and maintenance of AI system focused on intelligence analysis and processing * Development and maintenance of the data repositories, including source, geospatial and open-source intelligence * Liaise with client stakeholders within various defence organisations
FryerMiles are delighted to be working with a global AI business to assist with their recruitment of a Senior Software Developer to join their team in London. This is a fantastic opportunity for Senior Software Developer to join a rapidly growing global business working with large private and government clients. * Taking project briefs from the product owner and translating this into clean, well documented and elegant code * Ensure quality in service provision in line with ISO 9001 * Ensure information security in line with ISO27001 and Cyber Essentials Plus * Development and maintenance of AI system focused on intelligence analysis and processing * Development and maintenance of the data repositories, including source, geospatial and open-source intelligence * Liaise with client stakeholders within various defence organisations