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50 API jobs in Brentford End + 10 miles
)
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. On behalf of this organisation, AMS are looking for 3 - Full Stack Developers for acontract until end of 2025 based
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. On behalf of this organisation, AMS are looking for 3 - Full Stack Developers for acontract until end of 2025 based
NEWFEATURED
)
Familiarity with Endur and the .NET API (Open Components) is a plus.
Familiarity with Endur and the .NET API (Open Components) is a plus.
NEWFEATURED
Collaborate with Data Analysts, Architects, and system owners to improve data quality and support API/Middleware-based data management. * Full lifecycle development experience on the Mulesoft Anypoint Platform (Design Centre, Exchange, Studio, API Manager, Runtime Manager). * Proficiency in RESTful API development and working with XML, XSLT, and XSD.
Collaborate with Data Analysts, Architects, and system owners to improve data quality and support API/Middleware-based data management. * Full lifecycle development experience on the Mulesoft Anypoint Platform (Design Centre, Exchange, Studio, API Manager, Runtime Manager). * Proficiency in RESTful API development and working with XML, XSLT, and XSD.
NEW
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Solid background in Apex, LWC, SOQL, and REST/SOAP API integration.
Solid background in Apex, LWC, SOQL, and REST/SOAP API integration.
)
Familiarity with JSON and API usage.
Familiarity with JSON and API usage.
NEW
)
Role: Full Stack Software Engineer (UK-based, early-stage startup) £60,000 - £80,000 per annum | No Sponsorship | x3 week in office - Backed by technology start up accelerator and VC - Join a mission-driven AI startup transforming how medical and healthcare organisations collaborate. Using machine learning and advanced recommendation systems, the team helps to matchmake some of the leading Medical and Pharmaceuticalbusinesses with their extensive network of professionals. This allows them to engage seamlessly all while reducing operational costs so resources can focus on changing lives. This is the chance to work on cutting-edge AI technology at an early stage with real influence on product and architecture to help medical organisations do more with their resources while changing lives and impact clients across the US and FTSE markets.
Role: Full Stack Software Engineer (UK-based, early-stage startup) £60,000 - £80,000 per annum | No Sponsorship | x3 week in office - Backed by technology start up accelerator and VC - Join a mission-driven AI startup transforming how medical and healthcare organisations collaborate. Using machine learning and advanced recommendation systems, the team helps to matchmake some of the leading Medical and Pharmaceuticalbusinesses with their extensive network of professionals. This allows them to engage seamlessly all while reducing operational costs so resources can focus on changing lives. This is the chance to work on cutting-edge AI technology at an early stage with real influence on product and architecture to help medical organisations do more with their resources while changing lives and impact clients across the US and FTSE markets.
NEWFEATURED
)
Senior Product Engineer remote
Senior Product Engineer remote
Serve Legal
Pimlico, SW1
From £70,000 to £80,000 per annum plus 10% company bonus scheme
Full-Stack Thinker comfortable across front-end, back-end, API and AI development.
Full-Stack Thinker comfortable across front-end, back-end, API and AI development.
NEW
)
Liberty Wines is modernising its data estate: migrating from on-prem Analysis Services to the cloud, moving our WMS, ERP and bespoke apps to scalable platforms, and expanding AI/ML initiatives. We are evaluating both Fabric and Databricks as a potential strategic fit. As our hands-on Data & Analytics Engineer, youll play a key role in shaping and influencing that decision, helping assess the best platform for our needs based on your experience and contributing to successful delivery on either. You will work end-to-end, from schema design to dashboard storytelling, and be the pivotal data voice in the Technology team. This role offers broad ownership across tooling, standards, engineering and enablement rather than being confined to a narrow BI silo. Key Responsibilities - Data Platform Build-out * Design relational & Lakehouse schemas in Fabric or Databricks
Liberty Wines is modernising its data estate: migrating from on-prem Analysis Services to the cloud, moving our WMS, ERP and bespoke apps to scalable platforms, and expanding AI/ML initiatives. We are evaluating both Fabric and Databricks as a potential strategic fit. As our hands-on Data & Analytics Engineer, youll play a key role in shaping and influencing that decision, helping assess the best platform for our needs based on your experience and contributing to successful delivery on either. You will work end-to-end, from schema design to dashboard storytelling, and be the pivotal data voice in the Technology team. This role offers broad ownership across tooling, standards, engineering and enablement rather than being confined to a narrow BI silo. Key Responsibilities - Data Platform Build-out * Design relational & Lakehouse schemas in Fabric or Databricks
NEW
Senior Front End Developer / Engineer (React TypeScript Data Visualisation) London to £80k - Are you a skilled Software Developer with strong React and Data Visualisation skills combined with a good appreciation of financial markets and technology? You could be joining a growing, global, Fintech services company that has seen 30-40% year on year growth for the past 10 years and has ambitious growth plans. As a Senior Front End Developer you'll design and develop new features and enhancements to the front end of the platform with a focus on real-time data visualisation on client dashboards and portals using React, there's approximately 70-80% Greenfield development. You'll collaborate with backend engineers to build complex financial products in a technology driven environment with lots of learning and self development opportunities.
Senior Front End Developer / Engineer (React TypeScript Data Visualisation) London to £80k - Are you a skilled Software Developer with strong React and Data Visualisation skills combined with a good appreciation of financial markets and technology? You could be joining a growing, global, Fintech services company that has seen 30-40% year on year growth for the past 10 years and has ambitious growth plans. As a Senior Front End Developer you'll design and develop new features and enhancements to the front end of the platform with a focus on real-time data visualisation on client dashboards and portals using React, there's approximately 70-80% Greenfield development. You'll collaborate with backend engineers to build complex financial products in a technology driven environment with lots of learning and self development opportunities.
NEWPREMIUM
)
Senior Front End Developer JavaScript Vue.js
Senior Front End Developer JavaScript Vue.js
Client Server
W6, West London, W6 0LG
£85000 - £100000 per annum
Senior Front End Developer / Engineer (JavaScript Vue.js) London to £100k - Do you enjoy working with a range of programming languages? You could be progressing your career in a senior, hands-on Front End Developer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets, the company has been established 10 years, with recent funding of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior Front End Developer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business. You'll focus on front end components using JavaScript and Vue.js, there's a
Senior Front End Developer / Engineer (JavaScript Vue.js) London to £100k - Do you enjoy working with a range of programming languages? You could be progressing your career in a senior, hands-on Front End Developer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets, the company has been established 10 years, with recent funding of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior Front End Developer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business. You'll focus on front end components using JavaScript and Vue.js, there's a
NEWPREMIUM
)
Proficiency in at least one major API testing framework - Experience withAzure (APIM, Azure Functions, API Services), React/React-Native and.NET Core
Proficiency in at least one major API testing framework - Experience withAzure (APIM, Azure Functions, API Services), React/React-Native and.NET Core
NEW
)
Lead Product Designer
Lead Product Designer
Halian Technology Limited
W1, Central London
From £100,000 to £115,000 per annum Plus bonus and benefits
This is a rare opportunity to define my clients design culture from the ground upspanning UI/UX, API documentation, and visual identity across the organisation. * Collaborate with Engineering to ensure our API documentation is clear, accessible, and consistent.
This is a rare opportunity to define my clients design culture from the ground upspanning UI/UX, API documentation, and visual identity across the organisation. * Collaborate with Engineering to ensure our API documentation is clear, accessible, and consistent.
NEW
Senior Software Engineer
Senior Software Engineer
Halian Technology Limited
W1, Central London
From £90,000 to £95,000 per annum Plus bonus and benefits
Cloud experience withAWSservices (Lambda, API Gateway, S3, etc.)
Cloud experience withAWSservices (Lambda, API Gateway, S3, etc.)
NEW
)
API Development:Experience building data-centric APIs, especially withFastAPIon serverless platforms likeGoogle App Engine.
API Development:Experience building data-centric APIs, especially withFastAPIon serverless platforms likeGoogle App Engine.
)
Liaise with external clients/partners to oversee API / systems integration work
Liaise with external clients/partners to oversee API / systems integration work
Full Stack Developer Node.Js / React
Full Stack Developer Node.Js / React
Halian Technology Limited
W1, Central London
From £60,000 to £65,000 per annum Plus bonus and benefits
My client specialises in digital payments across the UK and Europe. Their platform enables seamless real-time transactions for consumers and businesses, with a focus on security, scalability, and user experience. Backed by top-tier investors and used by thousands daily, were scaling up and looking for passionate engineers to help us build the future of payments. We are seeking a talented and driven Mid-Level Full Stack Engineer with strong skills in Node.js, React, and AWS cloud infrastructure. Youll play a key role in designing, developing, and maintaining scalable microservices and user interfaces for our core payments platform. Youll work in a cross-functional agile team alongside product managers, designers, and fellow engineers to deliver features that directly impact our customers and partners. * Develop backend microservices using Node.js (Express/Nest.js prefe
My client specialises in digital payments across the UK and Europe. Their platform enables seamless real-time transactions for consumers and businesses, with a focus on security, scalability, and user experience. Backed by top-tier investors and used by thousands daily, were scaling up and looking for passionate engineers to help us build the future of payments. We are seeking a talented and driven Mid-Level Full Stack Engineer with strong skills in Node.js, React, and AWS cloud infrastructure. Youll play a key role in designing, developing, and maintaining scalable microservices and user interfaces for our core payments platform. Youll work in a cross-functional agile team alongside product managers, designers, and fellow engineers to deliver features that directly impact our customers and partners. * Develop backend microservices using Node.js (Express/Nest.js prefe
NEW
Senior Data Scientist / Engineer
Senior Data Scientist / Engineer
Serve Legal
Pimlico, SW1
From £60,000 to £75,000 per annum plus 10% company bonus scheme
Reports to: Data Director / Executive Sponsor - Location: Remote with occasional travel to London (2 times a month) Contract: Full-time, permanent - Base Salary: £60,000 £75,000 dependent on location and experience + 10% bonus scheme - Why This Role Exists - Serve Legal is forging new ground: transforming operational data into market-ready products, algorithms, and insights that redefine client value. As a driver of our Innovation Labs, you will experiment, prototype, and build compelling data solutions in a startup-within-a-business environmentboldly iterating and owning proofs-of-concept that scale. This is a position with a balance between data science and engineering. Besides exploring and analysing datasets, you will help to establish a cloud native data foundations, with a data warehouse and supporting data pipelines.
Reports to: Data Director / Executive Sponsor - Location: Remote with occasional travel to London (2 times a month) Contract: Full-time, permanent - Base Salary: £60,000 £75,000 dependent on location and experience + 10% bonus scheme - Why This Role Exists - Serve Legal is forging new ground: transforming operational data into market-ready products, algorithms, and insights that redefine client value. As a driver of our Innovation Labs, you will experiment, prototype, and build compelling data solutions in a startup-within-a-business environmentboldly iterating and owning proofs-of-concept that scale. This is a position with a balance between data science and engineering. Besides exploring and analysing datasets, you will help to establish a cloud native data foundations, with a data warehouse and supporting data pipelines.
NEW
)
Champion best practices across testing disciplines including unit, integration, UI, API, and performance * Knowledge of web, mobile, API/microservices testing and contract testing (e.g. PACT)
Champion best practices across testing disciplines including unit, integration, UI, API, and performance * Knowledge of web, mobile, API/microservices testing and contract testing (e.g. PACT)
PREMIUM
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Sterling Williams are working alongside an International Bank looking to hire a hands-on, technical Project Manager on an 18-month FTC basis to support a changing core banking system. You will play a crucial role in overseeing and implementing complex technical integration projects e.g. digital platforms, GL, Payments and other 3rd party systems covering KYC/AML etc. 18 month Fixed Term Contract initially - Salary: £80,000 pa plus benefits - Full-Time; office based 4 days per week (West End of London) The ideal candidate will have a strong background in software development, system architecture, and project management and will be responsible for leading integration efforts. * Lead the integration stream for the core banking project, focusing on technical aspects. * Assist in the transition to new digital initiatives, ensuring a safe, secure, and risk-managed process.
Sterling Williams are working alongside an International Bank looking to hire a hands-on, technical Project Manager on an 18-month FTC basis to support a changing core banking system. You will play a crucial role in overseeing and implementing complex technical integration projects e.g. digital platforms, GL, Payments and other 3rd party systems covering KYC/AML etc. 18 month Fixed Term Contract initially - Salary: £80,000 pa plus benefits - Full-Time; office based 4 days per week (West End of London) The ideal candidate will have a strong background in software development, system architecture, and project management and will be responsible for leading integration efforts. * Lead the integration stream for the core banking project, focusing on technical aspects. * Assist in the transition to new digital initiatives, ensuring a safe, secure, and risk-managed process.
NEW
)
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.
Sports Analytics - This role is a unique opportunity for aData Scientistto combine technical challenges with creativity in a collaborative, high-standard work environment. By joining this team, youll not only be part of a creative and open work culture focused on innovation and excellence but also have the chance to work with and collaborate with some of the most well-known footballers in the industry. This position offers significant opportunities for professional growth within sports analytics and the potential to impact sports performance through advanced technology, making it an ideal setting for those passionate about leveraging cutting-edge technology to make meaningful contributions in the world of sports analytics. * Collect, clean, and process football-related data from various sources.
Sports Analytics - This role is a unique opportunity for aData Scientistto combine technical challenges with creativity in a collaborative, high-standard work environment. By joining this team, youll not only be part of a creative and open work culture focused on innovation and excellence but also have the chance to work with and collaborate with some of the most well-known footballers in the industry. This position offers significant opportunities for professional growth within sports analytics and the potential to impact sports performance through advanced technology, making it an ideal setting for those passionate about leveraging cutting-edge technology to make meaningful contributions in the world of sports analytics. * Collect, clean, and process football-related data from various sources.
Entity Framework, Blazor (server side), .NET API, Redis Cache
Entity Framework, Blazor (server side), .NET API, Redis Cache
)
Job Role: Senior Full-Stack PHP Developer - Working Hours: 5 days per week - Job Type: Permanent - Salary: £70,000 - £85,000 depending on experience - Location: London - Remote: 4 days remote - 1 day on-site in London office - Postcode NW6 - About the Company - Our client is a rapidly growing platform that connects individuals with industry professionals for special events. By offering unique opportunities, the platform allows professionals in the field to achieve higher earnings while enjoying enhanced flexibility and a better work-life balance. Role Overview - This is an exciting opportunity to join a high-growth, early-stage startup. As a Full-Stack Developer, youll work closely with the founders and engineers in a tight-knit, London-based team. Youll have a direct impact on the companys expansion into new international markets, shaping the future of the business.
Job Role: Senior Full-Stack PHP Developer - Working Hours: 5 days per week - Job Type: Permanent - Salary: £70,000 - £85,000 depending on experience - Location: London - Remote: 4 days remote - 1 day on-site in London office - Postcode NW6 - About the Company - Our client is a rapidly growing platform that connects individuals with industry professionals for special events. By offering unique opportunities, the platform allows professionals in the field to achieve higher earnings while enjoying enhanced flexibility and a better work-life balance. Role Overview - This is an exciting opportunity to join a high-growth, early-stage startup. As a Full-Stack Developer, youll work closely with the founders and engineers in a tight-knit, London-based team. Youll have a direct impact on the companys expansion into new international markets, shaping the future of the business.
NEW
)
AI/ LLM - Python React Engineer - Contract Opportunity - London Hybrid based - 70% Python - 30% React - Job Description - We are seeking a highly skilled Python Fullstack Engineer with extensive experience in both front-end and back-end development. This role is very interesting as you will also be working with LLM's and AI/ML. * Knowledge of LangChain or Haystack or Llamalndex - Essential Skills * 10+ years of experience in designing and developing operational support systems and automation solutions using Python. * Front-end development skills, including designing and implementing user interfaces using JavaScript and frameworks such as React. * Back-end development skills, including maintaining server-side logic using Python, managing APIs, and integrating third-party services. * Experience with database management using Postgres to ensure application data integrity
AI/ LLM - Python React Engineer - Contract Opportunity - London Hybrid based - 70% Python - 30% React - Job Description - We are seeking a highly skilled Python Fullstack Engineer with extensive experience in both front-end and back-end development. This role is very interesting as you will also be working with LLM's and AI/ML. * Knowledge of LangChain or Haystack or Llamalndex - Essential Skills * 10+ years of experience in designing and developing operational support systems and automation solutions using Python. * Front-end development skills, including designing and implementing user interfaces using JavaScript and frameworks such as React. * Back-end development skills, including maintaining server-side logic using Python, managing APIs, and integrating third-party services. * Experience with database management using Postgres to ensure application data integrity
PREMIUM
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Mid-Level C++ Developer (5+ years of experience) Location:Hybrid - 2-3 days onsite in Hounslow - Rate:£430 per day (Inside IR35) Duration:12 months (Extension highly likely) Are you an experienced C++ Developer looking for your next long-term contract? We are seeking a technically strong and versatileMid-Level C++ Developerto join our client's high-performing team on a travel technology project. Key Responsibilities * Develop and maintain high-performance Back End components using C++11 or newer. * Design dynamic, responsive Front End interfaces with AngularJS/Angular 2+. * Support and enhance existing systems with a focus on performance, stability, and maintainability. * Collaborate with cross-functional teams (Product Owners, QA, DevOps, etc.) to deliver new features. * Refactor Legacy code and actively contribute to reducing technical debt.
Mid-Level C++ Developer (5+ years of experience) Location:Hybrid - 2-3 days onsite in Hounslow - Rate:£430 per day (Inside IR35) Duration:12 months (Extension highly likely) Are you an experienced C++ Developer looking for your next long-term contract? We are seeking a technically strong and versatileMid-Level C++ Developerto join our client's high-performing team on a travel technology project. Key Responsibilities * Develop and maintain high-performance Back End components using C++11 or newer. * Design dynamic, responsive Front End interfaces with AngularJS/Angular 2+. * Support and enhance existing systems with a focus on performance, stability, and maintainability. * Collaborate with cross-functional teams (Product Owners, QA, DevOps, etc.) to deliver new features. * Refactor Legacy code and actively contribute to reducing technical debt.
Related Jobs
Locations
- Shadwell
- The City, City (EC2)
- The City, City (EC3)
- Mayfair
- The City, City (EC4)
- Lambeth
- Pimlico
- Southwark
- Bermondsey
- Bishopsgate
- City of London
- Central London
- West End
- Reading
- East London
- Cambridge
- Maidenhead
- Milton Keynes
- Oxford
- South West London
- London
- Berkshire
- Oxfordshire
- Surrey
- Buckinghamshire
- Cambridgeshire
- Hertfordshire
- Bedfordshire
- Hampshire
- West Sussex
- South East
- East Anglia