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 (EC2)
- The City, City (EC3)
- The City, City (EC4)
- Blackfriars
- Canary Wharf
- Charing Cross
- Covent Garden
- Grays Inn
- Littlemore
- City of London
- Cambridge
- Central London
- West End
- East London
- Reading
- West London
- Bracknell
- Maidstone
- Milton Keynes
- London
- Cambridgeshire
- Berkshire
- Essex
- Oxfordshire
- Buckinghamshire
- Hampshire
- Hertfordshire
- Kent
- West Sussex
- South East
- East Anglia
61 Permanent API jobs in Covent Garden + 20 miles
)
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 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.
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.
)
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
)
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)
)
Understanding of AI integrations including LLM services and API-driven automation * API Management, OAuth2, JWT, audit logging
Understanding of AI integrations including LLM services and API-driven automation * API Management, OAuth2, JWT, audit logging
NEW
)
Experience with Azure API Management or similar API gateways.
Experience with Azure API Management or similar API gateways.
PREMIUM
Lead Software Engineer Ruby TypeScript React
Lead Software Engineer Ruby TypeScript React
Client Server
Shoreditch, East London (E1), EC2A
£100000 - £130000 per annum + stock options + benefits
Are you a polyglot Software Engineer with Developer Experience, API / SDK development skills? As a Lead Software Engineer you'll own the technical strategy and architecture for one or more Developer Ecosystems (iOS, Web, Infra/Automation), define and drive best practices for API and SDK design, ensuring consistency, usability and scalability and lead complex, cross-team initiatives to expand and improve client libraries.
Are you a polyglot Software Engineer with Developer Experience, API / SDK development skills? As a Lead Software Engineer you'll own the technical strategy and architecture for one or more Developer Ecosystems (iOS, Web, Infra/Automation), define and drive best practices for API and SDK design, ensuring consistency, usability and scalability and lead complex, cross-team initiatives to expand and improve client libraries.
NEWPREMIUM
)
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
Are you a technical visionary ready to shape the future of global commerce? We are partnering with a world-leading family of iconic activewear and footwear brands to find a Digital Commerce Architect. This is a pivotal role owning the architectural evolution of a Shopify-led ecosystem across B2B and D2C. You will act as the technical authority, managing a diverse digital backlog and governing a multi-vendor environment to deliver scalable, secure, and future-ready solutions. The Requirements * Proven experience as a Digital or Commerce Architect in B2B/D2C. * Deep expertise in Shopify architecture and the supporting app estate. * Strong understanding of MACH, headless, and composable commerce. * Expertise in managing third-party integrators and APIs (SAP, PIM, CRM). * Leadership skills to mentor engineers and influence senior stakeholders. The Benefits
Are you a technical visionary ready to shape the future of global commerce? We are partnering with a world-leading family of iconic activewear and footwear brands to find a Digital Commerce Architect. This is a pivotal role owning the architectural evolution of a Shopify-led ecosystem across B2B and D2C. You will act as the technical authority, managing a diverse digital backlog and governing a multi-vendor environment to deliver scalable, secure, and future-ready solutions. The Requirements * Proven experience as a Digital or Commerce Architect in B2B/D2C. * Deep expertise in Shopify architecture and the supporting app estate. * Strong understanding of MACH, headless, and composable commerce. * Expertise in managing third-party integrators and APIs (SAP, PIM, CRM). * Leadership skills to mentor engineers and influence senior stakeholders. The Benefits
)
Principal Test Engineer
Principal Test Engineer
Vitality Corporate Services Limited - Tech
Charing Cross, Central London (WC2), WC2R
£Competitive + Bonus + Benefits
Strong hands-on experience in API test automation, including scenario design, data setup, and validation.
Strong hands-on experience in API test automation, including scenario design, data setup, and validation.
PREMIUM
)
Job description - We are currently recruiting for anAI Security Senior Architectto join our London office. The Information Security team is a strategic enabler for our global law firm, focused on protecting client data, intellectual property, and business operations while enabling secure innovation. Through four key pillars Digital Trust, Technical Assurance, Security Operations, and Governance, Risk and Compliance (GRC) the team delivers comprehensive security solutions that align with our firms strategic objectives as well as client and regulatory requirements. Our integrated approach combines secure by design principles relying on Identity and Access Management, Technical Assurance, continuous monitoring and incident response through Security Operations, and proactive risk management through GRC.
Job description - We are currently recruiting for anAI Security Senior Architectto join our London office. The Information Security team is a strategic enabler for our global law firm, focused on protecting client data, intellectual property, and business operations while enabling secure innovation. Through four key pillars Digital Trust, Technical Assurance, Security Operations, and Governance, Risk and Compliance (GRC) the team delivers comprehensive security solutions that align with our firms strategic objectives as well as client and regulatory requirements. Our integrated approach combines secure by design principles relying on Identity and Access Management, Technical Assurance, continuous monitoring and incident response through Security Operations, and proactive risk management through GRC.
)
Senior Enterprise Architect - ServiceNow - Remote US available
Senior Enterprise Architect - ServiceNow - Remote US available
TJX UK
Watford (WD17), WD17 1TX
Competitive + Benefits
TJX Companies - At TJX Companies, every day brings new opportunities for growth, exploration, and achievement. You'll be part of our vibrant team that embraces diversity, fosters collaboration, and prioritizes your development. Whether you're working in our four global Home Offices, Distribution Centers or Retail Stores-TJ Maxx, Marshalls, Homegoods, Homesense, Sierra, Winners, and TK Maxx, you'll find abundant opportunities to learn, thrive, and make an impact. Come join our TJX family-a Fortune 100 company and the world's leading off-price retailer. Wh o we are - The Enterprise Architecture team at TJX drives technology strategy , innovation, and governance across multiple technical domains to ensure all technology decisions align with business goals and enterprise standards. We are seeking a Senior Enterprise Architect with d eep ServiceNow experience to lead the design, ...
TJX Companies - At TJX Companies, every day brings new opportunities for growth, exploration, and achievement. You'll be part of our vibrant team that embraces diversity, fosters collaboration, and prioritizes your development. Whether you're working in our four global Home Offices, Distribution Centers or Retail Stores-TJ Maxx, Marshalls, Homegoods, Homesense, Sierra, Winners, and TK Maxx, you'll find abundant opportunities to learn, thrive, and make an impact. Come join our TJX family-a Fortune 100 company and the world's leading off-price retailer. Wh o we are - The Enterprise Architecture team at TJX drives technology strategy , innovation, and governance across multiple technical domains to ensure all technology decisions align with business goals and enterprise standards. We are seeking a Senior Enterprise Architect with d eep ServiceNow experience to lead the design, ...
Senior DevOps Engineer (DSA BAU)
Senior DevOps Engineer (DSA BAU)
Capita Shared Services Limited
West London (W2), W2
£50k - 60k per year
Salesforce Deployments: Lead release management activities for Salesforce, including metadata management, environment synchronization, and sandbox refreshes. (SFDX/Metadata API, packaging, org-to-org promotion), ensuring consistent pipelines across SIT, UAT, Pre-Prod and Prod.
Salesforce Deployments: Lead release management activities for Salesforce, including metadata management, environment synchronization, and sandbox refreshes. (SFDX/Metadata API, packaging, org-to-org promotion), ensuring consistent pipelines across SIT, UAT, Pre-Prod and Prod.
NEW
)
Director of Technical Delivery
Director of Technical Delivery
Wilmington
City of London (EC4R)
Circa £100,000 - £110,000 (DoE) + 15% bonus
Strong expertise in composable, microservice-based architectures, including API design, event-driven integration, and service decomposition - Proven track record delivering large-scale platform integration or migration programmes across complex, multi-system and multi-vendor environments, including API integration, data migration, identity consolidation, release management, and cutover execution
Strong expertise in composable, microservice-based architectures, including API design, event-driven integration, and service decomposition - Proven track record delivering large-scale platform integration or migration programmes across complex, multi-system and multi-vendor environments, including API integration, data migration, identity consolidation, release management, and cutover execution
FEATURED
Capita's MuleSoft Centre for Enablement & Excellence (C4EE) is expanding its architectural capability to support large-scale integration and API transformation programmes for major UK Government and private-sector clients. As a MuleSoft Architect, you will translate business needs into scalable API-led architectures, ensuring technical excellence, security, and alignment to Capita's enterprise design principles. * Lead the architecture and design of API-led solutions across System, Process, and Experience layers. * Produce HLDs, LLDs, sequence diagrams, API specifications, and integration design artefacts. * Define reusable API patterns, standards, and frameworks aligned to C4EE governance. * API specifications and sequence diagrams * Strong understanding of API governance, IAM, OAuth, TLS, token management, and policy enforcement
Capita's MuleSoft Centre for Enablement & Excellence (C4EE) is expanding its architectural capability to support large-scale integration and API transformation programmes for major UK Government and private-sector clients. As a MuleSoft Architect, you will translate business needs into scalable API-led architectures, ensuring technical excellence, security, and alignment to Capita's enterprise design principles. * Lead the architecture and design of API-led solutions across System, Process, and Experience layers. * Produce HLDs, LLDs, sequence diagrams, API specifications, and integration design artefacts. * Define reusable API patterns, standards, and frameworks aligned to C4EE governance. * API specifications and sequence diagrams * Strong understanding of API governance, IAM, OAuth, TLS, token management, and policy enforcement
NEW
Senior Python Developer Data AWS
Senior Python Developer Data AWS
Client Server
The City, City of London (EC4), EC4R
£75000 - £90000 per annum + benefits
Senior Python Developer / Backend Software Engineer (Python Data AWS) London / WFH to £90k - Are you a Senior Python Developer with data engineering skills? You could be progressing your career in a hands-on Senior Python Developer role at a scaling Fintech who have built a highly complex, real-time energy trading platform to revolutionise energy buying for large industrial and commercial users. As a Senior Python Developer you'll help to build a seamless digital experience that makes complex energy systems simple, powerful and intuitive. You'll be building resilient, modular backend services, data models, data flows between Postgres, Redshift, analytics layers and APIs that underpin complex trading, billing and analytics platforms. There's a collaborative team environment where you'll input into technical discussions and decision making.
Senior Python Developer / Backend Software Engineer (Python Data AWS) London / WFH to £90k - Are you a Senior Python Developer with data engineering skills? You could be progressing your career in a hands-on Senior Python Developer role at a scaling Fintech who have built a highly complex, real-time energy trading platform to revolutionise energy buying for large industrial and commercial users. As a Senior Python Developer you'll help to build a seamless digital experience that makes complex energy systems simple, powerful and intuitive. You'll be building resilient, modular backend services, data models, data flows between Postgres, Redshift, analytics layers and APIs that underpin complex trading, billing and analytics platforms. There's a collaborative team environment where you'll input into technical discussions and decision making.
NEWPREMIUM
)
Senior Java Software Engineer - Build the Future of Banking
Senior Java Software Engineer - Build the Future of Banking
Morson Edge
City of London, London, EC1A 1AA
£90k - 110k per year + Excellent
We’re looking for a Senior Java Software Engineer to play a pivotal role in transforming the technology landscape of a leading bank. This is a permanent position offering a highly competitive salary, long-term stability, and outstanding career progression for engineers who thrive in fast-paced, regulated environments such as financial services, government, or the public sector. The Opportunity - This is more than just a role — it’s a long-term career opportunity where you’ll help drive real, meaningful change across critical banking platforms. You’ll be at the centre of a multi-year transformation journey, modernising systems that underpin operations, compliance, transactions, and client management. Your work won’t sit on the sidelines — it will directly influence how the bank evolves, scales, and delivers for its customers.
We’re looking for a Senior Java Software Engineer to play a pivotal role in transforming the technology landscape of a leading bank. This is a permanent position offering a highly competitive salary, long-term stability, and outstanding career progression for engineers who thrive in fast-paced, regulated environments such as financial services, government, or the public sector. The Opportunity - This is more than just a role — it’s a long-term career opportunity where you’ll help drive real, meaningful change across critical banking platforms. You’ll be at the centre of a multi-year transformation journey, modernising systems that underpin operations, compliance, transactions, and client management. Your work won’t sit on the sidelines — it will directly influence how the bank evolves, scales, and delivers for its customers.
PREMIUM
Related Jobs
Locations
- Shoreditch
- The City, City (EC2)
- The City, City (EC3)
- The City, City (EC4)
- Blackfriars
- Canary Wharf
- Charing Cross
- Covent Garden
- Grays Inn
- Littlemore
- City of London
- Cambridge
- Central London
- West End
- East London
- Reading
- West London
- Bracknell
- Maidstone
- Milton Keynes
- London
- Cambridgeshire
- Berkshire
- Essex
- Oxfordshire
- Buckinghamshire
- Hampshire
- Hertfordshire
- Kent
- West Sussex
- South East
- East Anglia