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102 Permanent API jobs in Datchet Common + 20 miles
)
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.
API integration's
API integration's
FEATURED
)
Senior Developer / Architect
Senior Developer / Architect
Young's Employment Services Ltd
West London (W6)
circ £75,000 - £90,000 + Bens
Azure cloud-native AKS / Container Apps, Service Bus, API Management, Blob Storage, Azure DevOps
Azure cloud-native AKS / Container Apps, Service Bus, API Management, Blob Storage, Azure DevOps
)
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
NEWPREMIUM
)
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
)
• Skill in API design and security in API management ecosystem
• Skill in API design and security in API management ecosystem
PREMIUM
Senior Java Developer – AWS Cloud Backend
Senior Java Developer – AWS Cloud Backend
Intelligent Talent Solutions Ltd
Bracknell (RG12)
From £75,000 to £90,000 per annum Pension, staff discounts, medical
Experience building platforms supporting mobile or API-driven products
Experience building platforms supporting mobile or API-driven products
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
)
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
)
Full Stack Developer
Full Stack Developer
Lynx Recruitment Limited
South West London (SW1V), SW1E
From £45,000 to £55,000 per annum
Azure Functions, AKS, API Management
Azure Functions, AKS, API Management
)
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
)
Support integrations (native + API-based) with IT and Data teams.
Support integrations (native + API-based) with IT and Data teams.
)
Strong grasp of pragmatic testing strategy — balancing UI, API, and integration coverage.
Strong grasp of pragmatic testing strategy — balancing UI, API, and integration coverage.
)
Applications Support Analyst / Engineer
Applications Support Analyst / Engineer
Kudos Partners
Datchet Common, Slough (SL3), SL3
Up to £75,000 per annum plus 12% bonus - generous benefits package
API support and monitoring tools (e.g., SolarWinds, AzureAppInsights)
API support and monitoring tools (e.g., SolarWinds, AzureAppInsights)
)
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
)
Business Central Support Analyst
Business Central Support Analyst
360 Resourcing
Slough (SL1), SL1 4DX
£40000.00 to £44000.00 per year Hybrid working, Bonus and superb Bene
Troubleshoot API connections, reviewing payloads, authentication, and performance to maintain stability.
Troubleshoot API connections, reviewing payloads, authentication, and performance to maintain stability.
FEATURED
Application Support Analyst (Business Central)
Application Support Analyst (Business Central)
360 Resourcing
Slough (SL1), SL1 4DX
£40000.00 to £44000.00 per year Hybrid working, Bonus and superb Bene
Troubleshoot API connections, reviewing payloads, authentication, and performance to maintain stability.
Troubleshoot API connections, reviewing payloads, authentication, and performance to maintain stability.
FEATURED
)
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
)
Develop resilient API ingestion workflows
Develop resilient API ingestion workflows
FEATURED
)
Lead MuleSoft Developer
Lead MuleSoft Developer
Alexander Edward James Consulting Limited
City of London (EC1)
£70,000 per annum
Lead the design and development of RESTful and SOAP APIs using MuleSoft Anypoint Platform, applying API-led connectivity principles (System, Process, Experience layers). Expert understanding of API-led connectivity, RESTful services, RAML/OAS specifications, and enterprise integration design patterns. Deep knowledge of API security best practices and governance.
Lead the design and development of RESTful and SOAP APIs using MuleSoft Anypoint Platform, applying API-led connectivity principles (System, Process, Experience layers). Expert understanding of API-led connectivity, RESTful services, RAML/OAS specifications, and enterprise integration design patterns. Deep knowledge of API security best practices and governance.
sales Proposal Engineer
sales Proposal Engineer
CONNECT RECRUITMENT CONSULTANTS LIMITED
Burnham, Slough (SL1), SL1
Salary dependent on experience
Ensure proposals comply with applicable codes and standards (API, ISO, client specifications, etc.)
Ensure proposals comply with applicable codes and standards (API, ISO, client specifications, etc.)
Related Jobs
Locations
- The City, City (EC3)
- Shoreditch
- Piccadilly
- The City, City (EC2)
- Blackfriars
- Burnham
- Camden
- Canary Wharf
- Charing Cross
- Chilton
- City of London
- Central London
- West End
- East London
- Reading
- South East London
- South West London
- Bracknell
- Milton Keynes
- North London
- London
- Berkshire
- Essex
- Surrey
- Buckinghamshire
- Oxfordshire
- Hampshire
- Hertfordshire
- Kent
- West Sussex
- South East