Date posted
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Locations
Type of Company
Job types
Salaries
Locations
Locations
Salaries
Date posted
Type of Company
Job types
Locations
- Southwark
- St James
- The City, City (EC3)
- Chilton
- Datchet Common
- Euston
- Grays Inn
- Greenwich
- Harmondsworth
- Hinxton
- City of London
- Cambridge
- South East London
- Loughton
- Reading
- Central London
- Milton Keynes
- West End
- Bracknell
- East London
- London
- Cambridgeshire
- Berkshire
- Essex
- Buckinghamshire
- Hertfordshire
- Surrey
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- Kent
- East Sussex
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- East Anglia
93 Contract API jobs in East London + 20 miles
)
Lead .Net Developer
Lead .Net Developer
Halian Technology Limited
Central London (W1)
From £75,000 to £85,000 per annum Plus bonus and benfits
Architect secure, high-performance API solutions using C#, .NET, and Azure. Ensure best practices in API design, security, and performance optimisation. Strong experience with RESTful API development and microservices architecture. Strong understanding of API security, authentication, and performance optimisation.
Architect secure, high-performance API solutions using C#, .NET, and Azure. Ensure best practices in API design, security, and performance optimisation. Strong experience with RESTful API development and microservices architecture. Strong understanding of API security, authentication, and performance optimisation.
)
Define API strategies including RESTful and event-driven architectures * Experience designing microservices and API-led architectures
Define API strategies including RESTful and event-driven architectures * Experience designing microservices and API-led architectures
FEATURED
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Lead Solution Architect – Endur (ETRM Gas & Power Trading)
Lead Solution Architect – Endur (ETRM Gas & Power Trading)
BP Energy
St James, South West London (SW1), WC2N 5DU
Competitive
Experience with modern architecture patterns: microservices, messaging/event-driven design, caching, and API strategy.
Experience with modern architecture patterns: microservices, messaging/event-driven design, caching, and API strategy.
)
Develop and maintain Python code for data processing, API development, and integration with the Azure Databricks environment.
Develop and maintain Python code for data processing, API development, and integration with the Azure Databricks environment.
FEATURED
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Implement robust state management and API integration * Collaborate with backend teams on API contracts and integration
Implement robust state management and API integration * Collaborate with backend teams on API contracts and integration
FEATURED
)
Senior Test Manager
Senior Test Manager
Infoplus Technologies UK Ltd
City of London (EC3M)
From £450 to £500 per day Depends on Experience
Cloud and API led architecture experience.
Cloud and API led architecture experience.
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Senior C#.Net Software Engineer
Senior C#.Net Software Engineer
Data Careers
Southwark, South East London (SE1), SE1
£80000 - £90000 per annum
Good understanding of authentication and security (OAuth, JWT, API security)
Good understanding of authentication and security (OAuth, JWT, API security)
)
API integration
API integration
PREMIUM
)
Work with .NET (C#), Azure Integration Services (Logic Apps, API Management, Service Bus, Event Grid), and containerised microservices (Docker, AKS). * Champion best practices for API-led connectivity, event-driven architectures, and pub/sub messaging patterns. * Understanding of integration patterns (pub/sub, API-led, event-driven) and security standards (OAuth2, JWT, TLS, API security).
Work with .NET (C#), Azure Integration Services (Logic Apps, API Management, Service Bus, Event Grid), and containerised microservices (Docker, AKS). * Champion best practices for API-led connectivity, event-driven architectures, and pub/sub messaging patterns. * Understanding of integration patterns (pub/sub, API-led, event-driven) and security standards (OAuth2, JWT, TLS, API security).
)
Full Stack Engineer JavaScript
Full Stack Engineer JavaScript
Staffworx Limited
West London (W10)
market rates, outside IR35, 6 months initial, long term extensions
Design & develop GraphQL API services from schema, supergraph, subgraph design to production integration, ensuring performance, flexibility, and maintainability. * Collaborate in Agile teams, driving API strategy, reviewing pull requests, and improving delivery processes. * Familiarity with testing frameworks (Vitest, Playwright) for both API and end-to-end testing.
Design & develop GraphQL API services from schema, supergraph, subgraph design to production integration, ensuring performance, flexibility, and maintainability. * Collaborate in Agile teams, driving API strategy, reviewing pull requests, and improving delivery processes. * Familiarity with testing frameworks (Vitest, Playwright) for both API and end-to-end testing.
)
Graduate Data Analyst - Python
Graduate Data Analyst - Python
CV Screen Ltd
Greenwich, South East London (SE10), SE10
£28k - 33k per year + Benefits
Understanding of data visualisation and basic API integration concepts.
Understanding of data visualisation and basic API integration concepts.
Develop resilient API ingestion workflows
Develop resilient API ingestion workflows
FEATURED
Develop resilient API ingestion workflows
Develop resilient API ingestion workflows
FEATURED
)
Database Administrator DBA
Database Administrator DBA
Alexander Edward James Consulting Limited
City of London (EC1A)
£60,000 per annum
Exposure to API integration and microservice-based architectures
Exposure to API integration and microservice-based architectures
)
Experience with infrastructure-as-code, production-grade Linux environments, and API services (Flask/Gunicorn).
Experience with infrastructure-as-code, production-grade Linux environments, and API services (Flask/Gunicorn).
FEATURED
)
Software Automation QA
Software Automation QA
Profile 29
Loughton (IG10), IG10
From £50,000 to £60,000 per annum + benefits (see advert)
Conduct comprehensive testing of various API's used by affiliates and other third-party service providers
Conduct comprehensive testing of various API's used by affiliates and other third-party service providers
Senior Full Stack Web Developer
Senior Full Stack Web Developer
Profile 29
Loughton (IG10), IG10
From £80,000 to £100,000 per annum + benefits (see advert)
As a member of their team, you will have the opportunity to work on their public-facing API and back-office websites in a Test-Driven Agile environment.
As a member of their team, you will have the opportunity to work on their public-facing API and back-office websites in a Test-Driven Agile environment.
Software Automation QA
Software Automation QA
Profile 29
Loughton (IG10), IG10
From £50,000 to £60,000 per annum + benefits (see advert)
Conduct comprehensive testing of various API's used by affiliates and other third-party service providers
Conduct comprehensive testing of various API's used by affiliates and other third-party service providers
Senior Full Stack Web Developer
Senior Full Stack Web Developer
Profile 29
Loughton (IG10), IG10
From £80,000 to £100,000 per annum + benefits (see advert)
As a member of their team, you will have the opportunity to work on their public-facing API and back-office websites in a Test-Driven Agile environment.
As a member of their team, you will have the opportunity to work on their public-facing API and back-office websites in a Test-Driven Agile environment.
Senior Full Stack Web Developer
Senior Full Stack Web Developer
Profile 29
Loughton (IG10), IG10
From £80,000 to £100,000 per annum + benefits (see advert)
As a member of their team, you will have the opportunity to work on their public-facing API and back-office websites in a Test-Driven Agile environment.
As a member of their team, you will have the opportunity to work on their public-facing API and back-office websites in a Test-Driven Agile environment.
Software Automation QA
Software Automation QA
Profile 29
Loughton (IG10), IG10
From £50,000 to £60,000 per annum + benefits (see advert)
Conduct comprehensive testing of various API's used by affiliates and other third-party service providers
Conduct comprehensive testing of various API's used by affiliates and other third-party service providers
Software Automation QA
Software Automation QA
Profile 29
Loughton (IG10), IG10
From £50,000 to £60,000 per annum + benefits (see advert)
Conduct comprehensive testing of various API's used by affiliates and other third-party service providers
Conduct comprehensive testing of various API's used by affiliates and other third-party service providers
Senior Full Stack Web Developer
Senior Full Stack Web Developer
Profile 29
Loughton (IG10), IG10
From £80,000 to £100,000 per annum + benefits (see advert)
As a member of their team, you will have the opportunity to work on their public-facing API and back-office websites in a Test-Driven Agile environment.
As a member of their team, you will have the opportunity to work on their public-facing API and back-office websites in a Test-Driven Agile environment.
)
Lead React Native Engineer / Engineering manager
Lead React Native Engineer / Engineering manager
Sanderson Recruitment
City of London (EC1), EC1
£600 - £700 per day + Outside IR35
Strong API/integration experience: REST / GraphQL, auth flows, contract design and resilience patterns
Strong API/integration experience: REST / GraphQL, auth flows, contract design and resilience patterns
FEATURED
)
Head of Platform and Technology Delivery – Kingston, Surrey – Hybrid - £110k + benefits
Head of Platform and Technology Delivery – Kingston, Surrey – Hybrid - £110k + benefits
Ashdown Group
Kingston Upon Thames (KT1)
£110,000
Candidates should have proven leadership of engineering or platform delivery teams within a hosted platform, SaaS or data intensive services environment, experience delivering complex data platforms, web services or API driven applications at scale, and a strong understanding of technology operations including software development, DevOps, infrastructure and service management.
Candidates should have proven leadership of engineering or platform delivery teams within a hosted platform, SaaS or data intensive services environment, experience delivering complex data platforms, web services or API driven applications at scale, and a strong understanding of technology operations including software development, DevOps, infrastructure and service management.
FEATURED
Related Jobs
Locations
- Southwark
- St James
- The City, City (EC3)
- Chilton
- Datchet Common
- Euston
- Grays Inn
- Greenwich
- Harmondsworth
- Hinxton
- City of London
- Cambridge
- South East London
- Loughton
- Reading
- Central London
- Milton Keynes
- West End
- Bracknell
- East London
- London
- Cambridgeshire
- Berkshire
- Essex
- Buckinghamshire
- Hertfordshire
- Surrey
- Oxfordshire
- Kent
- East Sussex
- South East
- East Anglia