Date posted
Commute time
Locations
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Job types
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Locations
Locations
Salaries
Date posted
Type of Company
Job types
Locations
- Millwall
- Shadwell
- The City, City (EC3)
- Fivensgreen
- Haslemere Industrial Estate
- Holloway
- Kempston
- Maida Hill
- Maidenhead Court
- Milton
- City of London
- Reading
- Central London
- West End
- East London
- Windsor
- Milton Keynes
- Bedford
- North London
- North West London
- London
- Berkshire
- Buckinghamshire
- Oxfordshire
- Surrey
- Bedfordshire
- Cambridgeshire
- Hampshire
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- West Sussex
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40 Contract API jobs in Piccadilly, Central London + 20 miles
254 exact matches jobs are outside your preferred location
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Data Consultant
Data Consultant
Fortice Ltd
London
From £45,000 to £80,000 per annum Open to candidates of all experience
London | Hybrid Working - Chance to join a specialist consultancy working with organisations across the UK Public Sector to deliver impactful digital transformation. We are looking for a talented Data Consultant with hands-on expertise in AWS and Python to join our growing London team. The Role - As a Data Consultant, you will work with public sector clients to design, build and deliver innovative data solutions. Youll help organisations harness their data through scalable cloud platforms, modern data engineering practices, and insightful analytics. This role combines technical delivery with stakeholder engagement, making it ideal for consultants who enjoy bridging the gap between data and strategy. Key Responsibilities * Design and implement data pipelines and architectures in AWS. * Develop solutions using Python for data integration, analysis, and automation.
London | Hybrid Working - Chance to join a specialist consultancy working with organisations across the UK Public Sector to deliver impactful digital transformation. We are looking for a talented Data Consultant with hands-on expertise in AWS and Python to join our growing London team. The Role - As a Data Consultant, you will work with public sector clients to design, build and deliver innovative data solutions. Youll help organisations harness their data through scalable cloud platforms, modern data engineering practices, and insightful analytics. This role combines technical delivery with stakeholder engagement, making it ideal for consultants who enjoy bridging the gap between data and strategy. Key Responsibilities * Design and implement data pipelines and architectures in AWS. * Develop solutions using Python for data integration, analysis, and automation.
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NEW CONTRACT iOS DEVELOPER ROLE AVAILABLE - REMOTE (UK/EU-BASED) * Outside IR35 * 9-12 Month Initial Contract | Start ASAP | Likely Extension - A new contract opportunity for a skilled iOS Developer to build and deploy AI-powered fintech mobile apps. You will work on secure, high-quality solutions while integrating machine learning features such as NLP and recommendation systems. * Develop and deploy iOS apps (Swift / Objective-C, iOS SDK, App Store). * Integrate RESTful APIs and backend services into iOS applications. * Embed AI/ML features (NLP, recommendation engines) into mobile workflows. * Deliver compliant and secure fintech solutions (GDPR, OAuth, encryption). * Experience managing projects end-to-end (greenfield exp.) * Strong expertise in iOS development (Swift / Objective-C, iOS SDK, App Store deployment)
NEW CONTRACT iOS DEVELOPER ROLE AVAILABLE - REMOTE (UK/EU-BASED) * Outside IR35 * 9-12 Month Initial Contract | Start ASAP | Likely Extension - A new contract opportunity for a skilled iOS Developer to build and deploy AI-powered fintech mobile apps. You will work on secure, high-quality solutions while integrating machine learning features such as NLP and recommendation systems. * Develop and deploy iOS apps (Swift / Objective-C, iOS SDK, App Store). * Integrate RESTful APIs and backend services into iOS applications. * Embed AI/ML features (NLP, recommendation engines) into mobile workflows. * Deliver compliant and secure fintech solutions (GDPR, OAuth, encryption). * Experience managing projects end-to-end (greenfield exp.) * Strong expertise in iOS development (Swift / Objective-C, iOS SDK, App Store deployment)
FEATURED
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Front End Games Developer - Hybrid Remote
Front End Games Developer - Hybrid Remote
VERTECH GROUP (UK) LTD
OX4, Oxford
From £55,000 to £75,000 per annum + Bonus + Benefits
Front End Game Developer - Location:Home Based / 1 day per week in Oxford - Salary:Circa 55K 75K + Bonus + Benefits - Senior Front End Games Developerrequired by fast-growing, Top Tech Company! This is a diverse, challenging role in a talented team where youll be building cutting-edge casino slot games, driving feature development, shaping the architecture, and mentoring junior developers * At least 5yrs development experience * Games development experience * Mobile-first mindset * HTML5, TypeScript * PixiJS, Phaser or similar * WebGL or Canvas 2D APIs * Git or similar * Maths, statistics, or physics background * 3D development experience - Tremendous opportunity offering plenty of scope for career progression in a friendly, innovative environment where youll be able to bring ideas, keep up-to-date with the latest technologies and enjoy a healthy work/life balance!
Front End Game Developer - Location:Home Based / 1 day per week in Oxford - Salary:Circa 55K 75K + Bonus + Benefits - Senior Front End Games Developerrequired by fast-growing, Top Tech Company! This is a diverse, challenging role in a talented team where youll be building cutting-edge casino slot games, driving feature development, shaping the architecture, and mentoring junior developers * At least 5yrs development experience * Games development experience * Mobile-first mindset * HTML5, TypeScript * PixiJS, Phaser or similar * WebGL or Canvas 2D APIs * Git or similar * Maths, statistics, or physics background * 3D development experience - Tremendous opportunity offering plenty of scope for career progression in a friendly, innovative environment where youll be able to bring ideas, keep up-to-date with the latest technologies and enjoy a healthy work/life balance!
FEATURED
Senior Full Stack C# .Net Developer - Hybrid Remote
Senior Full Stack C# .Net Developer - Hybrid Remote
VERTECH GROUP (UK) LTD
OX4, Oxford
From £70,000 to £85,000 per annum + Bonus + Benefits
Senior Full Stack C# .Net Developer - Location:Home based / 1 day per month in Oxford - Salary:Circa 70K 85K DOE + Benefits - Senior Full Stack C# .Net Developerrequired by a well-established and fast-growing Top Tech company! This is a varied, challenging role building mission-critical, user-facing applications used at scale. Youll be developing new features, contribute to key technical decisions, and helping to shape the quality of code across the team * At least 5yrs development experience * Experience with high-traffic, responsive apps and sites * Expertise in C# .Net Core * RESTful APIs * TypeScript &JavaScript * Frameworks: Angular, Vue, or React * HTML5 and CSS3 * Familiarity with CI/CD tools * Version control: Git or similar * SQL Server & MySQL - Tremendous opportunity offering plenty of scope for career progression in a friendly, innovative environment where
Senior Full Stack C# .Net Developer - Location:Home based / 1 day per month in Oxford - Salary:Circa 70K 85K DOE + Benefits - Senior Full Stack C# .Net Developerrequired by a well-established and fast-growing Top Tech company! This is a varied, challenging role building mission-critical, user-facing applications used at scale. Youll be developing new features, contribute to key technical decisions, and helping to shape the quality of code across the team * At least 5yrs development experience * Experience with high-traffic, responsive apps and sites * Expertise in C# .Net Core * RESTful APIs * TypeScript &JavaScript * Frameworks: Angular, Vue, or React * HTML5 and CSS3 * Familiarity with CI/CD tools * Version control: Git or similar * SQL Server & MySQL - Tremendous opportunity offering plenty of scope for career progression in a friendly, innovative environment where
FEATURED
Exposure to API testing (e.g. RestAssured, Postman)
Exposure to API testing (e.g. RestAssured, Postman)
NEW
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Implement schema registries, data contracts, and API-first data governance.
Implement schema registries, data contracts, and API-first data governance.
NEWFEATURED
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REST API development
REST API development
NEW
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Experience with API design standards & integration patterns
Experience with API design standards & integration patterns
NEWFEATURED
Contribute to backend/API testing and support security testing initiatives. * Strong knowledge of API testing and backend validation.
Contribute to backend/API testing and support security testing initiatives. * Strong knowledge of API testing and backend validation.
NEW
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QA Test Automation Engineer Python
QA Test Automation Engineer Python
Client Server
Milton, CB24
£50000 - £65000 per annum + bonus + benefits
You have API testing experience
You have API testing experience
NEWPREMIUM
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Senior Software Engineer / Software Developer
Senior Software Engineer / Software Developer
AWD Online
MK44, Bedford
From £60,000 to £70,000 per annum + Benefits
We have a fantastic new job opportunity for a Senior Software Engineer / Software Developer who has proven software application development experience across the stack C#, ASP, .NET, Blazor, API Development, Microservices, Containers and Deployment Pipelines. * Strong software development skills across the stack using C#, ASP .NET, Blazor, API development, microservices, containers, and deployment pipelines
We have a fantastic new job opportunity for a Senior Software Engineer / Software Developer who has proven software application development experience across the stack C#, ASP, .NET, Blazor, API Development, Microservices, Containers and Deployment Pipelines. * Strong software development skills across the stack using C#, ASP .NET, Blazor, API development, microservices, containers, and deployment pipelines
NEW
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Excellent API testing experience using Postman, IntelliJ Http Client, or similar tools.
Excellent API testing experience using Postman, IntelliJ Http Client, or similar tools.
PREMIUM
We are looking for a Staff Software Engineer to join Datadog's API Platform group. This team owns the infrastructure and tooling behind our public API surface, which spans more than 7,000 endpoints and supports a vast range of customers and integrations. As a Staff Engineer, you will have the opportunity to contribute to a broad set of projects across multiple teams that support API routing, reliability, web frameworks, and large-scale automation. You will collaborate with teams that build and evolve internal frameworks, traffic shaping and routing logic, reliability tooling, and developer enablement for API infrastructure. * Lead technical direction across multiple teams spanning API routing, rate limiting, frameworks, reliability tooling, and infrastructure automation. * Help define
We are looking for a Staff Software Engineer to join Datadog's API Platform group. This team owns the infrastructure and tooling behind our public API surface, which spans more than 7,000 endpoints and supports a vast range of customers and integrations. As a Staff Engineer, you will have the opportunity to contribute to a broad set of projects across multiple teams that support API routing, reliability, web frameworks, and large-scale automation. You will collaborate with teams that build and evolve internal frameworks, traffic shaping and routing logic, reliability tooling, and developer enablement for API infrastructure. * Lead technical direction across multiple teams spanning API routing, rate limiting, frameworks, reliability tooling, and infrastructure automation. * Help define
Lead Software Engineer - LLM/AI/ML Solutions - Python/Typescript/Nodejs - API Development (Hybrid)
Lead Software Engineer - LLM/AI/ML Solutions - Python/Typescript/Nodejs - API Development (Hybrid)
FactSet Europe Ltd
London
Competitive
Proficient in Python/Typescript/Nodejs, with strong skills in API development.
Proficient in Python/Typescript/Nodejs, with strong skills in API development.
Build with modern paradigms : Be comfortable delivering microservices architecture (API, GraphQL), and leverage AI to get things done
Build with modern paradigms : Be comfortable delivering microservices architecture (API, GraphQL), and leverage AI to get things done
Act as SME for NW-API across Enterprise Sales, Partnerships, Alliances, and Solution Engineers globally (EMEA, US, APAC). * Maintain expert-level knowledge of NW-API platforms/solutions and communicate value propositions as a recognised industry leader. * Lead client engagements to operationalise and scale NW-API and fraud prevention solutions, driving new revenue opportunities.
Act as SME for NW-API across Enterprise Sales, Partnerships, Alliances, and Solution Engineers globally (EMEA, US, APAC). * Maintain expert-level knowledge of NW-API platforms/solutions and communicate value propositions as a recognised industry leader. * Lead client engagements to operationalise and scale NW-API and fraud prevention solutions, driving new revenue opportunities.
At BNY, our culture allows us to run our company better and enables employees growth and success. As a leading global financial services company at the heart of the global financial system, we influence nearly 20% of the worlds investible assets. Every day, our teams harness cutting-edge AI and breakthrough technologies to collaborate with clients, driving transformative solutions that redefine industries and uplift communities worldwide. Recognized as a top destination for innovators and champions of inclusion, BNY is where bold ideas meet advanced technology and exceptional talent. Together, we power the future of finance and this is what #LifeAtBNY is all about. Join us and be part of something extraordinary. Were seeking a future team member for the role of Director of Technology, FX Execution Services to join our team. This role is located in London.
At BNY, our culture allows us to run our company better and enables employees growth and success. As a leading global financial services company at the heart of the global financial system, we influence nearly 20% of the worlds investible assets. Every day, our teams harness cutting-edge AI and breakthrough technologies to collaborate with clients, driving transformative solutions that redefine industries and uplift communities worldwide. Recognized as a top destination for innovators and champions of inclusion, BNY is where bold ideas meet advanced technology and exceptional talent. Together, we power the future of finance and this is what #LifeAtBNY is all about. Join us and be part of something extraordinary. Were seeking a future team member for the role of Director of Technology, FX Execution Services to join our team. This role is located in London.
Familiarity with standard B2B protocols such as AS2, VDA, OFTP2, SFTP, FTPS, API, and VANs.
Familiarity with standard B2B protocols such as AS2, VDA, OFTP2, SFTP, FTPS, API, and VANs.
Proficiency in API integration, data modelling, data migration, and experience with cloud-based architectures.
Proficiency in API integration, data modelling, data migration, and experience with cloud-based architectures.
At Mitratech, we are a team of technologists focused on building world-class products that simplify operations in the Legal, Risk, Compliance, and HR functions. We are a close-knit, globally dispersed team that thrives in an ecosystem that supports individual excellence and takes pride in its diverse and inclusive work culture centered around great people practices, learning opportunities, and having fun! Our culture is the ideal blend of entrepreneurial spirit and enterprise investment, enabling the chance to move at a rapid pace with some of the most complex, leading-edge technologies available. For over 35 years, the experts at Mitratech have been focused on solving the complex needs. Today, we serve 20,000 client companies of all sizes globally, representing 30% of the Fortune 500 and over 500,000 users in over 160 countries.
At Mitratech, we are a team of technologists focused on building world-class products that simplify operations in the Legal, Risk, Compliance, and HR functions. We are a close-knit, globally dispersed team that thrives in an ecosystem that supports individual excellence and takes pride in its diverse and inclusive work culture centered around great people practices, learning opportunities, and having fun! Our culture is the ideal blend of entrepreneurial spirit and enterprise investment, enabling the chance to move at a rapid pace with some of the most complex, leading-edge technologies available. For over 35 years, the experts at Mitratech have been focused on solving the complex needs. Today, we serve 20,000 client companies of all sizes globally, representing 30% of the Fortune 500 and over 500,000 users in over 160 countries.
Knowledge of document databases (MongoDB) and API interaction tools (such as Postman, or similar) * Experience with industry standard API Authentication/Authorization, including OAuth, OpenID Connect, SAML2
Knowledge of document databases (MongoDB) and API interaction tools (such as Postman, or similar) * Experience with industry standard API Authentication/Authorization, including OAuth, OpenID Connect, SAML2
Understanding of Rest API's
Understanding of Rest API's
Experience in API (REST, GraphQL) design and development
Experience in API (REST, GraphQL) design and development
Working with top developers from around the world, helping to implement Kong Products and Technologies, including our API Gateway, AI Gateway and ServiceMesh solutions - Kong Inc., a leading developer of cloud API technologies, is on a mission to enable companies around the world to become API-first and securely accelerate AI adoption.
Working with top developers from around the world, helping to implement Kong Products and Technologies, including our API Gateway, AI Gateway and ServiceMesh solutions - Kong Inc., a leading developer of cloud API technologies, is on a mission to enable companies around the world to become API-first and securely accelerate AI adoption.
API and third-party integrations experience is essential, including writing ICDs. * Integration with REST Api, ActiveMQ, Kafka, SOAP, IBM WebSphere, MSMQ and more.
API and third-party integrations experience is essential, including writing ICDs. * Integration with REST Api, ActiveMQ, Kafka, SOAP, IBM WebSphere, MSMQ and more.
Related Jobs
Locations
- Millwall
- Shadwell
- The City, City (EC3)
- Fivensgreen
- Haslemere Industrial Estate
- Holloway
- Kempston
- Maida Hill
- Maidenhead Court
- Milton
- City of London
- Reading
- Central London
- West End
- East London
- Windsor
- Milton Keynes
- Bedford
- North London
- North West London
- London
- Berkshire
- Buckinghamshire
- Oxfordshire
- Surrey
- Bedfordshire
- Cambridgeshire
- Hampshire
- Kent
- West Sussex
- South East
- East Anglia