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Api
East Sussex
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0 Temporary API jobs in East Sussex + 20 miles
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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.
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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Full Stack Developer - Hybrid (London & Bristol) - Circa £600 per day inside ir35 - 3 months All applicants must hold an active SC clearance. * Develop and maintain web applications: Design, code, test, and deploy scalable and efficient web applications using modern technologies. * Collaborate with cross-functional teams: Work closely with designers, product managers, and other developers to create seamless user experiences. * Implement front-end solutions: Create responsive and interactive user interfaces using HTML, CSS, JavaScript, and front-end frameworks such as React, Angular, or Vue.js and TypeScript Develop back-end services * Build and maintain server-side logic, databases, and APIs using Spring and Java * Experience of Cloud Native microservices architectures deployed on Kubernetes hosted on Red Hat OpenShift
Full Stack Developer - Hybrid (London & Bristol) - Circa £600 per day inside ir35 - 3 months All applicants must hold an active SC clearance. * Develop and maintain web applications: Design, code, test, and deploy scalable and efficient web applications using modern technologies. * Collaborate with cross-functional teams: Work closely with designers, product managers, and other developers to create seamless user experiences. * Implement front-end solutions: Create responsive and interactive user interfaces using HTML, CSS, JavaScript, and front-end frameworks such as React, Angular, or Vue.js and TypeScript Develop back-end services * Build and maintain server-side logic, databases, and APIs using Spring and Java * Experience of Cloud Native microservices architectures deployed on Kubernetes hosted on Red Hat OpenShift
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Join us at Entrust At Entrust, were shaping the future of identity centric security solutions. From our comprehensive portfolio of solutions to our flexible, global workplace, we empower careers, foster collaboration, and build solutions that help keep the world moving safely. Get to Know Us Headquartered in Minnesota, Entrust is an industry leader in identity-centric security solutions, serving over 150 countries with cutting-edge, scalable technologies. But our secret weapon? Our people. Its the curiosity, dedication, and innovation that drive our success and help us anticipate the future. As a Senior Full stack Engineer for the SDK team, you will join a talented and collaborative team dedicated to building resilient, scalable, and delightful systems and experiences for our customers.
Join us at Entrust At Entrust, were shaping the future of identity centric security solutions. From our comprehensive portfolio of solutions to our flexible, global workplace, we empower careers, foster collaboration, and build solutions that help keep the world moving safely. Get to Know Us Headquartered in Minnesota, Entrust is an industry leader in identity-centric security solutions, serving over 150 countries with cutting-edge, scalable technologies. But our secret weapon? Our people. Its the curiosity, dedication, and innovation that drive our success and help us anticipate the future. As a Senior Full stack Engineer for the SDK team, you will join a talented and collaborative team dedicated to building resilient, scalable, and delightful systems and experiences for our customers.
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Software Engineer - Full Stack
Software Engineer - Full Stack
Anson Mccade
South East
GBP 70,035.00 per year;GBP 700.00 per week;GBP 70,000.00 per year;GBP
££700 Inside IR35 GBP Onsite WORKING Location: Central London, Greater London - United Kingdom Type: Permanent Up to £700 Inside IR35 Location: London or Bristol Our client is a trusted digital consultancy working at the heart of national security, law enforcement, and defence. They deliver secure, mission-critical software solutions that help protect the UK and its interests. With a strong focus on innovation, collaboration, and agility, they empower engineers to solve complex challenges in high-trust environments. As a Full Stack Software Engineer, you'll work closely with law enforcement customers to design, build, and maintain secure applications and services. You'll be part of agile teams with direct access to end-users, enabling rapid feedback and continuous improvement.
££700 Inside IR35 GBP Onsite WORKING Location: Central London, Greater London - United Kingdom Type: Permanent Up to £700 Inside IR35 Location: London or Bristol Our client is a trusted digital consultancy working at the heart of national security, law enforcement, and defence. They deliver secure, mission-critical software solutions that help protect the UK and its interests. With a strong focus on innovation, collaboration, and agility, they empower engineers to solve complex challenges in high-trust environments. As a Full Stack Software Engineer, you'll work closely with law enforcement customers to design, build, and maintain secure applications and services. You'll be part of agile teams with direct access to end-users, enabling rapid feedback and continuous improvement.
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Job Title: Full Stack Developer Location: Hybrid with travel to London and Bristol Duration: 6 Months Rate: £650 per day - PAYE via Umbrella only Clearance: Active MOD SC clearance is necessary for this role. Job Description * Develop and maintain web applications: Design, code, test, and deploy scalable and efficient web applications using modern technologies. * Collaborate with cross-functional teams: Work closely with designers, product managers, and other developers to create seamless user experiences. * Implement front-end solutions: Create responsive and interactive user interfaces using HTML, CSS, JavaScript, and front-end frameworks such as React, Angular, or Vue.js and TypeScript * Develop back-end services: Build and maintain server-side logic, databases, and APIs using Spring and Java
Job Title: Full Stack Developer Location: Hybrid with travel to London and Bristol Duration: 6 Months Rate: £650 per day - PAYE via Umbrella only Clearance: Active MOD SC clearance is necessary for this role. Job Description * Develop and maintain web applications: Design, code, test, and deploy scalable and efficient web applications using modern technologies. * Collaborate with cross-functional teams: Work closely with designers, product managers, and other developers to create seamless user experiences. * Implement front-end solutions: Create responsive and interactive user interfaces using HTML, CSS, JavaScript, and front-end frameworks such as React, Angular, or Vue.js and TypeScript * Develop back-end services: Build and maintain server-side logic, databases, and APIs using Spring and Java
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The company are working on cutting-edge technology including AI and propensity modelling. The Lead Software Developer will be responsible for the software engineering output of the team. This will be a leadership role however success candidate will be expected to be hands-on, writing code when required, as well as designing architecture. Therefore the successful candidate will have strong hands-on coding knowledge. The company are happy to consider a Senior Developer who is looking to step up into more of a leadership role. They operate on a hybrid model which involves 3 days in the office and 2 days from home. * Degree in STEM subject from a Russell Group or Red Brick University * Experience leading software development teams * Knowledge of either C# or React * Strong experience with SQL * Source control, ideally Git * Agile * Latest versions of .NET
The company are working on cutting-edge technology including AI and propensity modelling. The Lead Software Developer will be responsible for the software engineering output of the team. This will be a leadership role however success candidate will be expected to be hands-on, writing code when required, as well as designing architecture. Therefore the successful candidate will have strong hands-on coding knowledge. The company are happy to consider a Senior Developer who is looking to step up into more of a leadership role. They operate on a hybrid model which involves 3 days in the office and 2 days from home. * Degree in STEM subject from a Russell Group or Red Brick University * Experience leading software development teams * Knowledge of either C# or React * Strong experience with SQL * Source control, ideally Git * Agile * Latest versions of .NET
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6 Months Contract London Hybrid or Fully Remote An exciting opportunity for a highly skilled Senior Go Developer to join a leading technology business on a contract basis. This organisation is recognised for its engineering excellence and is seeking a Senior Go Developer to help scale distributed systems and deliver high-performance solutions. In this role, the Senior Go Developer will design, develop, and implement data-intensive applications across the full engineering lifecycle. You'll architect and deliver microservices-based systems using Go (Golang), AWS, Kubernetes, Docker, and Kafka, working closely with cross-functional teams to build scalable, reliable, and resilient platforms.
6 Months Contract London Hybrid or Fully Remote An exciting opportunity for a highly skilled Senior Go Developer to join a leading technology business on a contract basis. This organisation is recognised for its engineering excellence and is seeking a Senior Go Developer to help scale distributed systems and deliver high-performance solutions. In this role, the Senior Go Developer will design, develop, and implement data-intensive applications across the full engineering lifecycle. You'll architect and deliver microservices-based systems using Go (Golang), AWS, Kubernetes, Docker, and Kafka, working closely with cross-functional teams to build scalable, reliable, and resilient platforms.
Senior Full StackDeveloper Kotlin / Java / React (Hybrid, London) We're working with aninsurtech company thats redefining how consumers experience insurance in the digital age. Their mission is to simplify and personalise the insurance journey, leveraging modern technology, intuitive design, and deep industry insight to deliver standout experiences particularly in the automotive and mobility sectors. * Designing and developing backend services and REST APIs using Kotlin and Java * Building and integrating front-end interfaces using React.js, TypeScript & PostgreSQL * Creating and maintaining AWS Lambda functions and infrastructure using Terraform * Collaborating closely with product, design, and domain experts in a fast-moving, agile environment * Playing a key role in shaping architecture and tech strategy as the platform scales
Senior Full StackDeveloper Kotlin / Java / React (Hybrid, London) We're working with aninsurtech company thats redefining how consumers experience insurance in the digital age. Their mission is to simplify and personalise the insurance journey, leveraging modern technology, intuitive design, and deep industry insight to deliver standout experiences particularly in the automotive and mobility sectors. * Designing and developing backend services and REST APIs using Kotlin and Java * Building and integrating front-end interfaces using React.js, TypeScript & PostgreSQL * Creating and maintaining AWS Lambda functions and infrastructure using Terraform * Collaborating closely with product, design, and domain experts in a fast-moving, agile environment * Playing a key role in shaping architecture and tech strategy as the platform scales
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* 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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Software Developer (Java / Kotlin / React.js) Hybrid London or Munich £70,000 - £90,000 p/a + Benefits An innovative digital insurance platform is looking for a talented Full Stack Software Developer to join its growing international team. The business is transforming the way consumers engage with insurance, creating simple, transparent, and personalised experiences, and now expanding into new products and markets. As part of a small, highly skilled cross-functional team of engineers, designers, and domain experts, youll have direct input into platform architecture and strategy, working on impactful projects from day one. This is an exciting opportunity to shape a fast-scaling platform while working with modern tools and practices. Key Responsibilities * Lead development of core platform services and REST APIs in Kotlin.
Software Developer (Java / Kotlin / React.js) Hybrid London or Munich £70,000 - £90,000 p/a + Benefits An innovative digital insurance platform is looking for a talented Full Stack Software Developer to join its growing international team. The business is transforming the way consumers engage with insurance, creating simple, transparent, and personalised experiences, and now expanding into new products and markets. As part of a small, highly skilled cross-functional team of engineers, designers, and domain experts, youll have direct input into platform architecture and strategy, working on impactful projects from day one. This is an exciting opportunity to shape a fast-scaling platform while working with modern tools and practices. Key Responsibilities * Lead development of core platform services and REST APIs in Kotlin.
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My client, a leader in the AI space, is seeking an experienced Vue.JS Frontend Developer to join and help build/enhance a Multi-Criteria Decision Analysis (MCDA) platform used worldwide. You'll be working on a modern Vue.js 3 codebase with PrimeVue and TypeScript, building AI-assisted decision-making tools and data-heavy interfaces. This will be initially 3+ months, fully remote and outside IR35. * Develop and optimise frontend features with Vue 3, PrimeVue, TypeScript, and Tailwind CSS * Work across the full development lifecycle, from design to production deployment * Integrate with REST APIs & FastAPI backend, enabling real-time collaboration and complex data visualisations * Drive AI-assisted development using Claude Code CLI, GitHub Spec Kit, and LLM APIs * Implement comprehensive Playwright testing (E2E, component, visual, accessibility, and performance testing)
My client, a leader in the AI space, is seeking an experienced Vue.JS Frontend Developer to join and help build/enhance a Multi-Criteria Decision Analysis (MCDA) platform used worldwide. You'll be working on a modern Vue.js 3 codebase with PrimeVue and TypeScript, building AI-assisted decision-making tools and data-heavy interfaces. This will be initially 3+ months, fully remote and outside IR35. * Develop and optimise frontend features with Vue 3, PrimeVue, TypeScript, and Tailwind CSS * Work across the full development lifecycle, from design to production deployment * Integrate with REST APIs & FastAPI backend, enabling real-time collaboration and complex data visualisations * Drive AI-assisted development using Claude Code CLI, GitHub Spec Kit, and LLM APIs * Implement comprehensive Playwright testing (E2E, component, visual, accessibility, and performance testing)
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Job Title: Contract Web Applications Developer (Full Stack) Contract: 3-Month Initial Contract (with potential extension) Location: Remote Industry: Financial Services We are seeking a skilled Web Applications Developer for an initial 3-month contract with a leading financial services client. The successful candidate will bring hands-on financial services experience and strong full stack development expertise, working on the design, development, and optimization of modern web applications. * Design, build, and maintain scalable full stack web applications in a financial services environment. * Develop APIs and backend services using Python and FastAPI. * Implement front-end solutions with TypeScript and modern web frameworks. * Work with agent frameworks and MCP (Model Context Protocol) to integrate intelligent systems into applications.
Job Title: Contract Web Applications Developer (Full Stack) Contract: 3-Month Initial Contract (with potential extension) Location: Remote Industry: Financial Services We are seeking a skilled Web Applications Developer for an initial 3-month contract with a leading financial services client. The successful candidate will bring hands-on financial services experience and strong full stack development expertise, working on the design, development, and optimization of modern web applications. * Design, build, and maintain scalable full stack web applications in a financial services environment. * Develop APIs and backend services using Python and FastAPI. * Implement front-end solutions with TypeScript and modern web frameworks. * Work with agent frameworks and MCP (Model Context Protocol) to integrate intelligent systems into applications.
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Senior Software Developer
Senior Software Developer
Spectrum It Recruitment Limited
EC1, City of London
£100000 - £120000 per annum
The successful Software Developer will join a extremely talented development team and you will be exposed to creating and maintaining our client's own applications based around a C#/.NET/SQL Server/ASP.NET universe. Many projects are greenfield projects and allow you to make your own mark on the development process early on. You will be given the opportunity to work with the some of the latest technologies possible and will be expected to produce excellent code for our clients in house software applications and trading platform. Our client offers a very collaborative working environment with all of the development team coming from excellent educational backgrounds from across Europe. This role is within the sports trading industry so any candidate applying should either have an interest in the industry, or experience within it.
The successful Software Developer will join a extremely talented development team and you will be exposed to creating and maintaining our client's own applications based around a C#/.NET/SQL Server/ASP.NET universe. Many projects are greenfield projects and allow you to make your own mark on the development process early on. You will be given the opportunity to work with the some of the latest technologies possible and will be expected to produce excellent code for our clients in house software applications and trading platform. Our client offers a very collaborative working environment with all of the development team coming from excellent educational backgrounds from across Europe. This role is within the sports trading industry so any candidate applying should either have an interest in the industry, or experience within it.
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Contract - 6 Months East Sussex Hybrid model (3 days p/w on site) £375 - 425 p/d (outside IR35) Our client an industry leading private sector business located in East Sussex is looking for a full stack .Net developer. Key Roles * Participate in migration of legacy systems built in C#, VB.NET, Angular, using SQL Server technologies. * Maintaining applications, ensuring reliability, maintainability, and evolution. * Act as a liaison between the development team and internal business stakeholders. * Implementation of modern architectures: micro services, containerised services, and serverless cloud-native components in AWS. * Diagnose and resolve complex support issues. * Collaborate with Business Analysts and Team Leaders to refine deliverables and technical solutions. * CI/CD pipelines, and deployment processes using GitHub and Azure DevOps.
Contract - 6 Months East Sussex Hybrid model (3 days p/w on site) £375 - 425 p/d (outside IR35) Our client an industry leading private sector business located in East Sussex is looking for a full stack .Net developer. Key Roles * Participate in migration of legacy systems built in C#, VB.NET, Angular, using SQL Server technologies. * Maintaining applications, ensuring reliability, maintainability, and evolution. * Act as a liaison between the development team and internal business stakeholders. * Implementation of modern architectures: micro services, containerised services, and serverless cloud-native components in AWS. * Diagnose and resolve complex support issues. * Collaborate with Business Analysts and Team Leaders to refine deliverables and technical solutions. * CI/CD pipelines, and deployment processes using GitHub and Azure DevOps.
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* Role: Contract Senior Backend Software Engineer - Node.js * Rate: c.£550 Outside IR35 Per day * Location: Leeds - Hybrid (2x days on site) * Length: 3-6 months We are working with a growing, forward-thinking technology company dedicated to building scalable, reliable, and high-performing solutions for our customers. As a Senior Backend Software Engineer (Node.js), you will be responsible for designing, developing, and maintaining server-side applications and services. You'll work closely with cross-functional teams to ensure our systems are performant, secure, and deliver a great user experience. * Design, implement, and maintain backend services, APIs, and databases. * Collaborate with product managers, frontend engineers, and other stakeholders to deliver features end-to-end. * Ensure systems are scalable, reliable, and maintainable.
* Role: Contract Senior Backend Software Engineer - Node.js * Rate: c.£550 Outside IR35 Per day * Location: Leeds - Hybrid (2x days on site) * Length: 3-6 months We are working with a growing, forward-thinking technology company dedicated to building scalable, reliable, and high-performing solutions for our customers. As a Senior Backend Software Engineer (Node.js), you will be responsible for designing, developing, and maintaining server-side applications and services. You'll work closely with cross-functional teams to ensure our systems are performant, secure, and deliver a great user experience. * Design, implement, and maintain backend services, APIs, and databases. * Collaborate with product managers, frontend engineers, and other stakeholders to deliver features end-to-end. * Ensure systems are scalable, reliable, and maintainable.
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Senior Full Stack Engineer
Senior Full Stack Engineer
REVYBE IT RECRUITMENT LIMITED
EC1, City of London
From £90,000 to £120,000 per annum + Shares
London AI Start-up Up to £120,000 + Shares + Private Healthcare + Pension Were working with a well-funded AI start-up in London thats gearing up for huge growth. Theyre expecting to scale 10x over the next 18 months. Theyre now looking for a Senior Full-Stack Engineer to help design and build the next generation of their AI-driven platform. Reporting directly into the CTO and collaborating closely with product and research teams, this is a unique chance to take ownership across the stack and make a lasting impact in a company at the forefront of applied AI. The role This isnt your standard engineering role youll be working end-to-end across frontend, backend, and cloud infrastructure. Youll build sleek, scalable applications with React and Next.js, design and maintain robust APIs with Node.js and Python, and architect solutions deployed on AWS or GCP.
London AI Start-up Up to £120,000 + Shares + Private Healthcare + Pension Were working with a well-funded AI start-up in London thats gearing up for huge growth. Theyre expecting to scale 10x over the next 18 months. Theyre now looking for a Senior Full-Stack Engineer to help design and build the next generation of their AI-driven platform. Reporting directly into the CTO and collaborating closely with product and research teams, this is a unique chance to take ownership across the stack and make a lasting impact in a company at the forefront of applied AI. The role This isnt your standard engineering role youll be working end-to-end across frontend, backend, and cloud infrastructure. Youll build sleek, scalable applications with React and Next.js, design and maintain robust APIs with Node.js and Python, and architect solutions deployed on AWS or GCP.
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Description Thought Machines mission is bold to properly and permanently rid the worlds banks of legacy technology. To achieve this, we have developed the foundations of modern banking through core and payments technology, which run natively in the cloud. What we are attempting is challenging and requires great people working together to build exceptional technology. We have grown rapidly over the past few years, expanding our team to more than 550 individuals across offices in London, New York, Singapore, and Sydney. We have raised more than $500m in funding and are now valued at $2.7bn. Our investors include Molten Ventures, Eurazeo, Intesa Sanpaolo, Temasek, Nyca Partners, JPMorgan Chase Strategic Investments, Standard Chartered Ventures, and more.
Description Thought Machines mission is bold to properly and permanently rid the worlds banks of legacy technology. To achieve this, we have developed the foundations of modern banking through core and payments technology, which run natively in the cloud. What we are attempting is challenging and requires great people working together to build exceptional technology. We have grown rapidly over the past few years, expanding our team to more than 550 individuals across offices in London, New York, Singapore, and Sydney. We have raised more than $500m in funding and are now valued at $2.7bn. Our investors include Molten Ventures, Eurazeo, Intesa Sanpaolo, Temasek, Nyca Partners, JPMorgan Chase Strategic Investments, Standard Chartered Ventures, and more.
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Java Developer Your key responsibilities * Design, develop, test, and deploy high-quality software solutions using Java and related technologies * Conduct code reviews and provide constructive feedback to team members to ensure code quality and best practices * Mentor and guide junior developers, fostering a culture of continuous learning and improvement * Identify and resolve performance and scalability issues * Participate in Agile/Scrum processes, contributing to planning, estimation, and sprint retrospectives Your skills and experience * Extensive core Java development with good understanding of multi-threading and concurrency * In-depth knowledge of low-latency design principles and performance tuning and proficient in network protocols and socket programming * Experience with high-performance messaging systems
Java Developer Your key responsibilities * Design, develop, test, and deploy high-quality software solutions using Java and related technologies * Conduct code reviews and provide constructive feedback to team members to ensure code quality and best practices * Mentor and guide junior developers, fostering a culture of continuous learning and improvement * Identify and resolve performance and scalability issues * Participate in Agile/Scrum processes, contributing to planning, estimation, and sprint retrospectives Your skills and experience * Extensive core Java development with good understanding of multi-threading and concurrency * In-depth knowledge of low-latency design principles and performance tuning and proficient in network protocols and socket programming * Experience with high-performance messaging systems
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Job Title: Senior Backend Engineer Location: Fully Remote (UK) Salary: £70,000 - £80,000 per annum (DOE) Are you a seasoned Backend Engineer with a passion for building scalable, high-performance systems? We're hiring a Senior Backend Engineer to join a cutting-edge UK-based tech company that's redefining how organisations manage distributed systems at scale. About the Role As a Senior Backend Engineer, you'll take ownership of critical backend services, designing and maintaining distributed systems with a strong focus on performance, scalability, and reliability. You'll lead technical discussions, mentor junior engineers, and collaborate across teams to deliver robust, secure, and efficient solutions. Key Responsibilities * Design, build, and maintain high-performance backend services using Go.
Job Title: Senior Backend Engineer Location: Fully Remote (UK) Salary: £70,000 - £80,000 per annum (DOE) Are you a seasoned Backend Engineer with a passion for building scalable, high-performance systems? We're hiring a Senior Backend Engineer to join a cutting-edge UK-based tech company that's redefining how organisations manage distributed systems at scale. About the Role As a Senior Backend Engineer, you'll take ownership of critical backend services, designing and maintaining distributed systems with a strong focus on performance, scalability, and reliability. You'll lead technical discussions, mentor junior engineers, and collaborate across teams to deliver robust, secure, and efficient solutions. Key Responsibilities * Design, build, and maintain high-performance backend services using Go.
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The Bridge IT are supporting a flagship digital transformation programme, seeking experienced Java Technical Leads to join established engineering teams. This is a long-term contract with significant scope for impact, working on critical national services. Day rate: £600–£625 p/d (Inside IR35) Location: Hybrid – with occasional travel Duration: Until March 2026 (initial), with expectation of 12-month extension Clearance: SC Clearance required (will sponsor if required) As a Technical Lead, you will be both a hands-on engineer and a leader of a cross-functional team, helping shape the technical direction of large-scale digital platforms. You will work closely with product and engineering colleagues to deliver high-quality, secure, and scalable services, while also coaching and mentoring team members to build capability and best practice.
The Bridge IT are supporting a flagship digital transformation programme, seeking experienced Java Technical Leads to join established engineering teams. This is a long-term contract with significant scope for impact, working on critical national services. Day rate: £600–£625 p/d (Inside IR35) Location: Hybrid – with occasional travel Duration: Until March 2026 (initial), with expectation of 12-month extension Clearance: SC Clearance required (will sponsor if required) As a Technical Lead, you will be both a hands-on engineer and a leader of a cross-functional team, helping shape the technical direction of large-scale digital platforms. You will work closely with product and engineering colleagues to deliver high-quality, secure, and scalable services, while also coaching and mentoring team members to build capability and best practice.
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££120,000 - £150,000 GBP Onsite WORKING Location: Central London, Greater London - United Kingdom Type: Permanent Up to £120,000 - £150,000 + Excellent Benefits Our client is a newly established joint venture between a global leader in management consulting and a leading global alternative investment fund manager. They are building a team of exceptional developers in the heart of Newcastle City Centre, creating an intellectually stimulating environment where world-class technical talent can work on complex, high-impact initiatives tied to global markets and events. If you're an outstanding developer and communicator who thrives on solving challenging problems at pace, this is a rare opportunity to join a business at its inception and help shape its culture and future. What You'll Be Doing * Take ownership of technical products and projects from start to finish.
££120,000 - £150,000 GBP Onsite WORKING Location: Central London, Greater London - United Kingdom Type: Permanent Up to £120,000 - £150,000 + Excellent Benefits Our client is a newly established joint venture between a global leader in management consulting and a leading global alternative investment fund manager. They are building a team of exceptional developers in the heart of Newcastle City Centre, creating an intellectually stimulating environment where world-class technical talent can work on complex, high-impact initiatives tied to global markets and events. If you're an outstanding developer and communicator who thrives on solving challenging problems at pace, this is a rare opportunity to join a business at its inception and help shape its culture and future. What You'll Be Doing * Take ownership of technical products and projects from start to finish.
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Senior Guidewire Developer
Senior Guidewire Developer
Pioneer Search
City of London, London
£90000 - £110000 per annum + 20% bonus
Guidewire Developer - Ace Certified Location London Salary: £90,000 - £110,000 per annum + 20% Bonus Type: Permanent, Hybrid (2 days in London) An ACE Certified Guidewire Developer with experience with Guidewire for claims, and ClaimCenter configurations is required for a leading insurance organisation in London. The business is currently in the process of migrating to Guidewire and would be looking for a developer to lead them through the migration process and to monitor and configure the platform, as well as architect and design solutions being pioneered within the Guidewire Cloud. This is a brand-new team with lots of scope for development and growth. You should have strong development skills in Java and GOSU as well as stakeholder skills to help the organisation navigate the migration and onboard Guidewire.
Guidewire Developer - Ace Certified Location London Salary: £90,000 - £110,000 per annum + 20% Bonus Type: Permanent, Hybrid (2 days in London) An ACE Certified Guidewire Developer with experience with Guidewire for claims, and ClaimCenter configurations is required for a leading insurance organisation in London. The business is currently in the process of migrating to Guidewire and would be looking for a developer to lead them through the migration process and to monitor and configure the platform, as well as architect and design solutions being pioneered within the Guidewire Cloud. This is a brand-new team with lots of scope for development and growth. You should have strong development skills in Java and GOSU as well as stakeholder skills to help the organisation navigate the migration and onboard Guidewire.
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Senior Backend Engineer Python/Django | Climate Tech Scale-Up | Central London c.£85-95k Ready to make real impact with your code? This climate-tech scale-up is going through the gears, backed by world-class investors, and heading towards a big future. Theyve built a platform already trusted by global enterprise brands and now the engineering team is growing fast to take things to the next level. Youll join as a Senior Backend Engineer, taking ownership of complex Python/Django services that power enterprise decarbonisation. Expect to design elegant APIs, tackle data-heavy challenges, and collaborate closely with sustainability experts and product teams. What makes this special? * High-performance engineering team smart, passionate, and collaborative * Big mission accelerating how the worlds largest businesses understand and reduce carbon footprints
Senior Backend Engineer Python/Django | Climate Tech Scale-Up | Central London c.£85-95k Ready to make real impact with your code? This climate-tech scale-up is going through the gears, backed by world-class investors, and heading towards a big future. Theyve built a platform already trusted by global enterprise brands and now the engineering team is growing fast to take things to the next level. Youll join as a Senior Backend Engineer, taking ownership of complex Python/Django services that power enterprise decarbonisation. Expect to design elegant APIs, tackle data-heavy challenges, and collaborate closely with sustainability experts and product teams. What makes this special? * High-performance engineering team smart, passionate, and collaborative * Big mission accelerating how the worlds largest businesses understand and reduce carbon footprints
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Senior Software Engineer
Senior Software Engineer
Halian Technology Limited
W1, Central London
From £90,000 to £95,000 per annum Plus bonus and benefits
Join a leading payments company at the forefront of innovation in the financial services sector. They're on a mission to simplify payments and create seamless, secure transaction experiences for millions of users. With a focus on technology, agility, and product excellence, we offer an exciting environment where engineers are empowered to make real impact. Role Overview They're looking for a skilled and passionateBackend skillsinNode.js. You will be part of a high-performing engineering team building robust and scalable backend services, with opportunities to contribute to frontend features usingReact. Exposure toAWSand/orNext.JSis a strong plus. Key Responsibilities * Design, develop, and maintain scalable backend services usingNode.js. * Collaborate with frontend engineers to build seamless APIs and interfaces
Join a leading payments company at the forefront of innovation in the financial services sector. They're on a mission to simplify payments and create seamless, secure transaction experiences for millions of users. With a focus on technology, agility, and product excellence, we offer an exciting environment where engineers are empowered to make real impact. Role Overview They're looking for a skilled and passionateBackend skillsinNode.js. You will be part of a high-performing engineering team building robust and scalable backend services, with opportunities to contribute to frontend features usingReact. Exposure toAWSand/orNext.JSis a strong plus. Key Responsibilities * Design, develop, and maintain scalable backend services usingNode.js. * Collaborate with frontend engineers to build seamless APIs and interfaces
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