Date posted
Commute time
Locations
Type of Company
Job types
Salaries
Locations
Locations
Salaries
Date posted
Type of Company
Job types
Locations
- Shoreditch
- The City, City (EC3)
- Piccadilly
- The City, City (EC2)
- The City, City (EC4)
- Blackfriars
- Canary Wharf
- Charing Cross
- Chilton
- Covent Garden
- City of London
- Cambridge
- Central London
- West End
- East London
- Reading
- Milton Keynes
- South West London
- South East London
- West London
- London
- Cambridgeshire
- Berkshire
- Buckinghamshire
- Essex
- Oxfordshire
- Hertfordshire
- Kent
- East Sussex
- Hampshire
- South East
- East Anglia
92 Permanent API jobs in Covent Garden + 20 miles
)
Solution Architect
Solution Architect
I3 Resourcing Limited
The City, City of London (EC3), EC3V 3ND
£100000 - £120000 per annum + + bonus + benefits
Experience with API-led, microservices, and integration architectures
Experience with API-led, microservices, and integration architectures
)
Senior Full Stack Engineer
Senior Full Stack Engineer
RSMB
Covent Garden, Central London (WC2), WC2B
Up to £85k, based on experience
RSMB is seeking an experienced and highly capable Senior Full Stack Engineer to play a central role in the design, development, and evolution of our expanding product suite, including Barb Ads Hub, NMO XCM, and our Data Fusion platform. You will join the team based in London (Hybrid – 2 days per week in the office). Youwill join us on a full-time, permanent basis, and in return, you will receive a competitive salary of up to £85,000 per annum, based on experience. RSMB is a leading company specialising in media measurement solutions. We work with a wide range of clients delivering both long-term contracts like Barb (UK TV audience measurement) and RAJAR (Radio audience measurement), and ad hoc projects. We are proud that we have been a Barb TV audience measurement contractor since 1989 and a RAJAR contractor since 2007.
RSMB is seeking an experienced and highly capable Senior Full Stack Engineer to play a central role in the design, development, and evolution of our expanding product suite, including Barb Ads Hub, NMO XCM, and our Data Fusion platform. You will join the team based in London (Hybrid – 2 days per week in the office). Youwill join us on a full-time, permanent basis, and in return, you will receive a competitive salary of up to £85,000 per annum, based on experience. RSMB is a leading company specialising in media measurement solutions. We work with a wide range of clients delivering both long-term contracts like Barb (UK TV audience measurement) and RAJAR (Radio audience measurement), and ad hoc projects. We are proud that we have been a Barb TV audience measurement contractor since 1989 and a RAJAR contractor since 2007.
PREMIUM
)
Senior Product Engineer, Full Stack - Energy
Senior Product Engineer, Full Stack - Energy
MFK Recruitment Ltd
Piccadilly, Central London (W1), W1S 4NS
From £70,000 to £95,000 per annum
£70,000 to £95,000 - Permanent - London, hybrid - The opportunity - Our client is hiring a Senior Product Engineer, Full Stack, to help build the next generation of customer-facing software in the energy market. Operating in a complex, high-value sector, the business is combining technology, data, and product thinking to modernise an area of the energy industry that has historically been underserved by great software. We have already placed 3 people into the business and are pleased to be supporting them again on this important hire. This is a genuinely exciting opportunity for a frontend-strong engineer who wants real ownership, autonomy, and the chance to build products from scratch. They are looking for someone with strong React and TypeScript capability, alongside solid backend exposure across Python, APIs, and databases.
£70,000 to £95,000 - Permanent - London, hybrid - The opportunity - Our client is hiring a Senior Product Engineer, Full Stack, to help build the next generation of customer-facing software in the energy market. Operating in a complex, high-value sector, the business is combining technology, data, and product thinking to modernise an area of the energy industry that has historically been underserved by great software. We have already placed 3 people into the business and are pleased to be supporting them again on this important hire. This is a genuinely exciting opportunity for a frontend-strong engineer who wants real ownership, autonomy, and the chance to build products from scratch. They are looking for someone with strong React and TypeScript capability, alongside solid backend exposure across Python, APIs, and databases.
)
Senior Solutions Architect
Senior Solutions Architect
The Talent Ladder
St James, South West London (SW1), SW1A
Up to £125,000 per annum Bonus and travel allowance
API design & microservices architecture
API design & microservices architecture
PREMIUM
)
Digital Platform Architect (power platform)
Digital Platform Architect (power platform)
MORGAN PHILIPS UK LIMITED
City of London (EC1)
£60000 - £70000 per annum
Undertake development of customising Dataverse, canvas apps, API integrations with 3rd party systems.
Undertake development of customising Dataverse, canvas apps, API integrations with 3rd party systems.
)
Solutions Architect
Solutions Architect
MARSH CORPORATE SERVICES LIMITED
City of London (EC1)
Pension, Healthcare, Life Insurance and much more
Deep fluency in London Market placing platforms and integration patterns (Whitespace, PPL, API ecosystem).
Deep fluency in London Market placing platforms and integration patterns (Whitespace, PPL, API ecosystem).
PREMIUM
)
Solutions Architect
Solutions Architect
Solus Accident Repair Centres
North London, London
GBP £50,000.00/Yr. - GBP £65,000.00/Yr.
Deep knowledge of modern enterprise patterns, SaaS adoption, API and event based integrations and resilience approaches.
Deep knowledge of modern enterprise patterns, SaaS adoption, API and event based integrations and resilience approaches.
)
• Skill in API design and security in API management ecosystem
• Skill in API design and security in API management ecosystem
PREMIUM
Good understanding on AWS services (EC2, ECS, EKS, API Gateway and Serverless technologies)
Good understanding on AWS services (EC2, ECS, EKS, API Gateway and Serverless technologies)
Senior Software Developer
Senior Software Developer
Tech 4
East London (E10)
From £68,000 to £70,000 per annum + excellent benefits
Assist with the design, implementation, and testing of APIs that adhere to the Open API specification
Assist with the design, implementation, and testing of APIs that adhere to the Open API specification
Full Stack Engineer - Equity
Full Stack Engineer - Equity
Dental startup
Central London (W1)
Up to £60,000 per annum Equity - Founding Engineer
You'll own the full stack database architecture, API layer, and front-end, and you'll work directly with the founder on every major decision. * Architect and build the core platform from scratch schema, API, and front-end * Strong Node.js REST API development, authentication, middleware * Third-party API and webhook integration experience
You'll own the full stack database architecture, API layer, and front-end, and you'll work directly with the founder on every major decision. * Architect and build the core platform from scratch schema, API, and front-end * Strong Node.js REST API development, authentication, middleware * Third-party API and webhook integration experience
)
AboutTheRole - WerelookingformultipleLeadTechnicalArchitectswhowillplayacentralroleinthesuccessfuldeliveryoftechnologyprojects. Youwillworkcloselywithclientsandinternalteamstounderstandcontext,co-designsolutions,andleadtechnicalteamsthroughproductdevelopment. Inthisrole,youwillleadarchitectureworkonclientprogrammes. Youwilldesignandoverseeend-to-endtechnologysolutionsthatarescalable,secure,user-centred,andethicallyresponsible. Thisroleinvolvestranslatingbusinessneedsintotechnologysolutions,creatingarchitectureartefacts,andsupportingclientstomakesustainableanduser-focusedtechnologychoices. Youmightbeaspecialistinaparticulartechnologydomainorplatform-suchaslegacysystemmigration,m365,Azure,GCP,AWS,dataplatformsorintelligentprocessautomation-butyouwillapplyatechnologyagnosticperspective. You'lloperateasatrustedadvisor,oftenleadingsmallerengagementsorplayingaseniorroleonlargerones,butmayalsoworksoloorcontributeasamemberofateamasneeded.
AboutTheRole - WerelookingformultipleLeadTechnicalArchitectswhowillplayacentralroleinthesuccessfuldeliveryoftechnologyprojects. Youwillworkcloselywithclientsandinternalteamstounderstandcontext,co-designsolutions,andleadtechnicalteamsthroughproductdevelopment. Inthisrole,youwillleadarchitectureworkonclientprogrammes. Youwilldesignandoverseeend-to-endtechnologysolutionsthatarescalable,secure,user-centred,andethicallyresponsible. Thisroleinvolvestranslatingbusinessneedsintotechnologysolutions,creatingarchitectureartefacts,andsupportingclientstomakesustainableanduser-focusedtechnologychoices. Youmightbeaspecialistinaparticulartechnologydomainorplatform-suchaslegacysystemmigration,m365,Azure,GCP,AWS,dataplatformsorintelligentprocessautomation-butyouwillapplyatechnologyagnosticperspective. You'lloperateasatrustedadvisor,oftenleadingsmallerengagementsorplayingaseniorroleonlargerones,butmayalsoworksoloorcontributeasamemberofateamasneeded.
PREMIUM
)
Lead .NET/JS Developer - Perm - Creative Agency
Lead .NET/JS Developer - Perm - Creative Agency
Lorien Resourcing Limited
The City, City of London (EC4), EC2V 6EE
£800000.00 - £900000.00 per annum
Tech Lead - Award Winning Creative Agency - Perm: £80,000-£90,000 - Hybrid: 3 days per week to the London Office - We're working with an award-winning digital experience studio that sits at the heart of a leading creative partnership. This team designs, builds, and evolves digital products and services used by millions - spanning high-traffic platforms, innovative product builds, and emerging AI-driven experiences. This is a high-impact, hands-on leadership role where you'll balance architecture, delivery, and people leadership. You'll work across multiple concurrent projects, from large site builds and micro-sites to experimental AI initiatives and commercially released products. You'll lead multidisciplinary developers, working closely with design, UX, product, strategy, and delivery teams - and you'll be a visible technical voice with both internal stakeholders and clients.
Tech Lead - Award Winning Creative Agency - Perm: £80,000-£90,000 - Hybrid: 3 days per week to the London Office - We're working with an award-winning digital experience studio that sits at the heart of a leading creative partnership. This team designs, builds, and evolves digital products and services used by millions - spanning high-traffic platforms, innovative product builds, and emerging AI-driven experiences. This is a high-impact, hands-on leadership role where you'll balance architecture, delivery, and people leadership. You'll work across multiple concurrent projects, from large site builds and micro-sites to experimental AI initiatives and commercially released products. You'll lead multidisciplinary developers, working closely with design, UX, product, strategy, and delivery teams - and you'll be a visible technical voice with both internal stakeholders and clients.
)
SC Java Developer
SC Java Developer
Sanderson Government and Defence
South East London (SE1), SE1
£40000 - £60000 per annum
Expect to contribute to API development, containerised applications, and cross-functional engineering initiatives.
Expect to contribute to API development, containerised applications, and cross-functional engineering initiatives.
FEATURED
)
Tester/ Full Stack Quality Engineer - Katalon, Hybrid - London
Tester/ Full Stack Quality Engineer - Katalon, Hybrid - London
Sanderson Recruitment
City of London (EC1), EC1
£35000 - £75000 per annum + bonus scheme
Supporting a shift-left approach, improving collaboration with developers, and helping move testing beyond UI into stronger API and upstream quality practices.
Supporting a shift-left approach, improving collaboration with developers, and helping move testing beyond UI into stronger API and upstream quality practices.
FEATURED
)
Test newly developed features and perform regression testing of our casino products, including API as well as sportsbook and CMS-related functionality Improve/refactor the testing automation framework - Perform API testing using Java/RestAssured - Hands on experience of API testing
Test newly developed features and perform regression testing of our casino products, including API as well as sportsbook and CMS-related functionality Improve/refactor the testing automation framework - Perform API testing using Java/RestAssured - Hands on experience of API testing
)
Automation Test Engineer
Automation Test Engineer
Data Careers
Southwark, South East London (SE1), SE1
£55000 - £75000 per annum
Skills: Integration Testing, API Testing, SQL, BDD (Gherkin / SpecFlow), Test Automation * Support API and integration testing across distributed systems * API testing expertise
Skills: Integration Testing, API Testing, SQL, BDD (Gherkin / SpecFlow), Test Automation * Support API and integration testing across distributed systems * API testing expertise
)
Strong grasp of pragmatic testing strategy — balancing UI, API, and integration coverage.
Strong grasp of pragmatic testing strategy — balancing UI, API, and integration coverage.
)
T24 Developer - Transact
T24 Developer - Transact
Hireful
Central London, London
66K Basic + 12.5% Pension + Bonus (typical 25%, performance based) + 2
Experience participating in T24 upgrade and integration projects (including API integrations).
Experience participating in T24 upgrade and integration projects (including API integrations).
FEATURED
)
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).
)
Lead Mobile Engineer KMP - Wellness
Lead Mobile Engineer KMP - Wellness
Client Server
Shoreditch, East London (E1), EC2A
£90000 - £110000 per annum + benefits
You'll work on business logic, networking, domain layers and API integrations, collaborating closely with backend engineers, product, design and QA to deliver end-to-end features whilst mentoring more junior engineers. * You have API integration experience
You'll work on business logic, networking, domain layers and API integrations, collaborating closely with backend engineers, product, design and QA to deliver end-to-end features whilst mentoring more junior engineers. * You have API integration experience
NEWPREMIUM
)
Working knowledge of SQL, JSON, or API troubleshooting
Working knowledge of SQL, JSON, or API troubleshooting
FEATURED
)
Experience withAzure (APIM, Azure Functions, API Services), React/React-Native and.NET Core - Proficiency in at least one major API testing framework - Experience with API testing (REST, Postman)
Experience withAzure (APIM, Azure Functions, API Services), React/React-Native and.NET Core - Proficiency in at least one major API testing framework - Experience with API testing (REST, Postman)
)
API and application security: threat modelling (STRIDE/PASTA), OAuth 2.0/OIDC implementation review, secrets management (Key Vault, HashiCorp Vault), and secure SDLC integration
API and application security: threat modelling (STRIDE/PASTA), OAuth 2.0/OIDC implementation review, secrets management (Key Vault, HashiCorp Vault), and secure SDLC integration
)
Robust API integration experience, including working with third-party datasets, web APIs, or scrapers
Robust API integration experience, including working with third-party datasets, web APIs, or scrapers
Related Jobs
Locations
- Shoreditch
- The City, City (EC3)
- Piccadilly
- The City, City (EC2)
- The City, City (EC4)
- Blackfriars
- Canary Wharf
- Charing Cross
- Chilton
- Covent Garden
- City of London
- Cambridge
- Central London
- West End
- East London
- Reading
- Milton Keynes
- South West London
- South East London
- West London
- London
- Cambridgeshire
- Berkshire
- Buckinghamshire
- Essex
- Oxfordshire
- Hertfordshire
- Kent
- East Sussex
- Hampshire
- South East
- East Anglia