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2 Temporary API jobs in Shoreditch, East London + 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.
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.
2 exact matches jobs are outside your preferred location
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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EC1N, City of London
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Senior Software Engineer - eDV Cleared
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F++ Developer
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Central London, London
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Description This role is an exciting opportunity to be part a large multi-asset eTrading development team. A successful candidate is expected to: Design, build and implement pricing systems. Work with teams spread across infrastructure, development, support, test and the front office. Participate in the development of all aspects of product delivery including design documents, functional specifications and component building. Make contributions to the evolving architecture. Conduct issue and risk identification, management and resolution. This is a key position which will play pivotal role in the development of the FX platform. Skills * C++ * stl * boost * FX * FIX * exchange connectivity * Market Access * architecture * multithreading * low latency Job Title: F++ Developer Location: London, UK Rate/Salary: 100000.00 - 140000.00 GBP Yearly Job Type: Permanent
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Job title: Lead Integration Developer Location: London, UK Job type: Contract (Inside IR35) About the Role As a Lead Integration Developer, you will be responsible for designing, developing, and maintaining integration solutions across various platforms, including Guidewire InsuranceSuite and other core systems. You will lead a team of developers, collaborate with stakeholders, and ensure the delivery of integration projects that meet business and technical requirements. What will you do? * Lead the design and implementation of integration solutions using APIs, web services, and messaging systems. * Collaborate with business analysts and architects to define integration requirements and strategies. * Develop and maintain integration components using technologies such as Java, REST/JSON, XML, and Enterprise Messaging Systems.
Job title: Lead Integration Developer Location: London, UK Job type: Contract (Inside IR35) About the Role As a Lead Integration Developer, you will be responsible for designing, developing, and maintaining integration solutions across various platforms, including Guidewire InsuranceSuite and other core systems. You will lead a team of developers, collaborate with stakeholders, and ensure the delivery of integration projects that meet business and technical requirements. What will you do? * Lead the design and implementation of integration solutions using APIs, web services, and messaging systems. * Collaborate with business analysts and architects to define integration requirements and strategies. * Develop and maintain integration components using technologies such as Java, REST/JSON, XML, and Enterprise Messaging Systems.
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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.
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Lead Full Stack Engineer
Lead Full Stack Engineer
Lynx Recruitment Limited
SW1E, South West London
From £90,000 to £120,000 per annum
A leading AWS Premier Consulting Partner is seeking aLead Full Stack Engineerto join its growing technical team. As a key member of this cloud-native consultancy, you'll work on innovative digital solutions for a diverse range of clients - from fast-growing start-ups to established enterprises. Youll bring technical leadership, strong coding skills, and a proactive approach to delivering secure, scalable applications using AWS technologies. Key Responsibilities Technical Leadership * Guide and mentor junior developers within the team. * Lead architecture design and technical planning discussions. * Ensure coding standards, security best practices, and high-quality code reviews. * Promote continuous improvement in development practices and processes. * Advocate for a "security by design" mindset in all engineering activities. Software Development
A leading AWS Premier Consulting Partner is seeking aLead Full Stack Engineerto join its growing technical team. As a key member of this cloud-native consultancy, you'll work on innovative digital solutions for a diverse range of clients - from fast-growing start-ups to established enterprises. Youll bring technical leadership, strong coding skills, and a proactive approach to delivering secure, scalable applications using AWS technologies. Key Responsibilities Technical Leadership * Guide and mentor junior developers within the team. * Lead architecture design and technical planning discussions. * Ensure coding standards, security best practices, and high-quality code reviews. * Promote continuous improvement in development practices and processes. * Advocate for a "security by design" mindset in all engineering activities. Software Development
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Senior Software Engineer - Core Wealth Services
Senior Software Engineer - Core Wealth Services
Hargreaves Lansdown
London
Up to £95000 per annum + Generous Bonus, Pension & PMI
This is the future of HL - and the future of investing. We're building the next generation of platform for one of the UK's largest financial services companies, trusted by over 1.8 million clients and managing £130+ billion in assets. This is your opportunity to shape technology that will redefine how people invest and achieve financial freedom. All development within Core Wealth Services is greenfield. That means a clean slate - the chance to design, architect and build from the ground up using modern technologies and best practices. No legacy constraints. Just the freedom to architect scalable, robust, and future-proof solutions. Core Wealth Services forms the backbone of our investment platform, managing the essential business logic and processes that power wealth management operations.
This is the future of HL - and the future of investing. We're building the next generation of platform for one of the UK's largest financial services companies, trusted by over 1.8 million clients and managing £130+ billion in assets. This is your opportunity to shape technology that will redefine how people invest and achieve financial freedom. All development within Core Wealth Services is greenfield. That means a clean slate - the chance to design, architect and build from the ground up using modern technologies and best practices. No legacy constraints. Just the freedom to architect scalable, robust, and future-proof solutions. Core Wealth Services forms the backbone of our investment platform, managing the essential business logic and processes that power wealth management operations.
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Windsor | Hybrid Working | £52,000 + Excellent Benefits Introduction An exciting opportunity has arisen for an Elixir Developer to join a well-established technology business based in Windsor. Offering a salary of up to £52,000 plus excellent benefits, this hybrid role is ideal for an ambitious developer looking to take the next step in their career. The company has been operating for over 15 years, employs around 70 staff, and is recognised for delivering innovative digital solutions to a diverse range of clients. This is a fantastic opportunity to join a collaborative development team and work on meaningful projects with real-world impact. Duties & Responsibilities * Develop, test and maintain high-quality software applications using Elixir. * Collaborate with team members to design and implement new features.
Windsor | Hybrid Working | £52,000 + Excellent Benefits Introduction An exciting opportunity has arisen for an Elixir Developer to join a well-established technology business based in Windsor. Offering a salary of up to £52,000 plus excellent benefits, this hybrid role is ideal for an ambitious developer looking to take the next step in their career. The company has been operating for over 15 years, employs around 70 staff, and is recognised for delivering innovative digital solutions to a diverse range of clients. This is a fantastic opportunity to join a collaborative development team and work on meaningful projects with real-world impact. Duties & Responsibilities * Develop, test and maintain high-quality software applications using Elixir. * Collaborate with team members to design and implement new features.
We’re working with a rapidly growing UK digital consultancy with a headcount of 500+ and offices across the UK. They combine technical excellence with a supportive culture that genuinely puts people first. This is an opportunity to join a cross-functional agile team delivering innovative solutions across industries such as finance, e-commerce, gaming, and more. You’ll be working alongside engineers, QA, product, and design to build robust systems that make a real impact. The Role • Work across multiple technologies, producing scalable, testable, and well-architected code. • Develop and maintain RESTful Java APIs and database integrations. • Troubleshoot and solve complex software issues, ensuring quality and performance. • Guide and mentor less experienced engineers through feedback, pair programming, and coaching. Tech Stack • Backend: Java, RESTful APIs
We’re working with a rapidly growing UK digital consultancy with a headcount of 500+ and offices across the UK. They combine technical excellence with a supportive culture that genuinely puts people first. This is an opportunity to join a cross-functional agile team delivering innovative solutions across industries such as finance, e-commerce, gaming, and more. You’ll be working alongside engineers, QA, product, and design to build robust systems that make a real impact. The Role • Work across multiple technologies, producing scalable, testable, and well-architected code. • Develop and maintain RESTful Java APIs and database integrations. • Troubleshoot and solve complex software issues, ensuring quality and performance. • Guide and mentor less experienced engineers through feedback, pair programming, and coaching. Tech Stack • Backend: Java, RESTful APIs
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Job Opportunity: Full Stack Engineer Golang?? Location:Sheffield, UK Work from Client office 3 days in a week - Hybrid Key Accountabilities * Design, develop and maintain highly available, secure, and performant backend REST API services along with frontend client usingPython,Golang, DockerandCloud-Native services. * Implement and manage database schema changes usingLiquibase, ensuring alignment with compliance and audit standards. * Collaborate closely with Architecture and DevOps teams to enhance, maintain and mature Product capabilities/features. * Perform root cause analysis and implement solutions for incidents and performance bottlenecks. Qualifications and experience * Bachelors or Masters degree in Computer Science or equivalent industry experience. * Comes from Software Engineering background with infrastructure experience.
Job Opportunity: Full Stack Engineer Golang?? Location:Sheffield, UK Work from Client office 3 days in a week - Hybrid Key Accountabilities * Design, develop and maintain highly available, secure, and performant backend REST API services along with frontend client usingPython,Golang, DockerandCloud-Native services. * Implement and manage database schema changes usingLiquibase, ensuring alignment with compliance and audit standards. * Collaborate closely with Architecture and DevOps teams to enhance, maintain and mature Product capabilities/features. * Perform root cause analysis and implement solutions for incidents and performance bottlenecks. Qualifications and experience * Bachelors or Masters degree in Computer Science or equivalent industry experience. * Comes from Software Engineering background with infrastructure experience.
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Remote, UK 6 Month Contract An exciting opportunity for a Backend Platform Engineer with a strong software engineering background to join a prestigious tech client on a contract basis. This is a well-regarded engineering environment where contractors speak highly of the fast-paced, collaborative culture, and the real autonomy they're given to make an impact. As a Backend Platform Engineer, you'll focus on building tools, services, and systems that make life easier for developers and accelerate delivery across the business. From improving CI/CD pipelines and service deployment to shaping internal platforms and runtime environments, your work will help enable fast, secure, and reliable software delivery at scale. You'll work closely with product teams and engineers across the stack to enhance developer experience, troubleshoot complex systems, and improve observability.
Remote, UK 6 Month Contract An exciting opportunity for a Backend Platform Engineer with a strong software engineering background to join a prestigious tech client on a contract basis. This is a well-regarded engineering environment where contractors speak highly of the fast-paced, collaborative culture, and the real autonomy they're given to make an impact. As a Backend Platform Engineer, you'll focus on building tools, services, and systems that make life easier for developers and accelerate delivery across the business. From improving CI/CD pipelines and service deployment to shaping internal platforms and runtime environments, your work will help enable fast, secure, and reliable software delivery at scale. You'll work closely with product teams and engineers across the stack to enhance developer experience, troubleshoot complex systems, and improve observability.
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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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