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116 Permanent API jobs in East London + 20 miles
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Technical Product Manager API SaaS
Technical Product Manager API SaaS
Client Server
Shoreditch, East London (E1), EC2A
£95000 - £130000 per annum + benefits
You'll be embedded within delivery teams, UX and engineering and utilise your knowledge of software development to make trade-offs, steward the delivery process and close the gaps in requirements including producing technical documentation along with wireframes and API scaffolding where appropriate. Apply now to find out more about this Technical Product Manager (API SaaS) opportunity.
You'll be embedded within delivery teams, UX and engineering and utilise your knowledge of software development to make trade-offs, steward the delivery process and close the gaps in requirements including producing technical documentation along with wireframes and API scaffolding where appropriate. Apply now to find out more about this Technical Product Manager (API SaaS) opportunity.
PREMIUM
Software Engineer / Developer (Java Kafka API) London / WFH to £90k
Software Engineer / Developer (Java Kafka API) London / WFH to £90k
PREMIUM
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Java Engineer
Java Engineer
Profile 29
South East London (SE1)
From £40,000 to £90,000 per annum (DoE) + hybrid or remote working
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid junior jnr
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid junior jnr
Principle Java Engineer
Principle Java Engineer
Profile 29
South East London (SE1)
From £70,000 to £90,000 per annum + benefits + hybrid (or remote) work
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid lead senior manager manage
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid lead senior manager manage
Principle Java Engineer
Principle Java Engineer
Profile 29
South East London (SE1)
From £70,000 to £90,000 per annum + benefits + hybrid (or remote) work
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid lead senior manager manage
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid lead senior manager manage
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C# / .NET SENIOR SOFTWARE ENGINEER (AWS)
C# / .NET SENIOR SOFTWARE ENGINEER (AWS)
Secure Recruitment Ltd
East London (E1)
Up to £90,000 per annum + Benefits (Hybrid Working)
System & API Design: Strong Database Architecture Skills & Experience Designing Patterns that make Integrations Fast, Reliable & Elegant. Searches: Software Engineer / AWS / Backend Engineer /Integration Systems Architect /Data Pipeline Engineer /Senior AWS Cloud Engineer /Backend Technical Lead / Engineering Lead /Senior Software Engineer /Senior Backend Engineer /Principal Platform Engineer /Lead C# Developer / AI / API Design / API / LLMs / Artificial Intelligence
System & API Design: Strong Database Architecture Skills & Experience Designing Patterns that make Integrations Fast, Reliable & Elegant. Searches: Software Engineer / AWS / Backend Engineer /Integration Systems Architect /Data Pipeline Engineer /Senior AWS Cloud Engineer /Backend Technical Lead / Engineering Lead /Senior Software Engineer /Senior Backend Engineer /Principal Platform Engineer /Lead C# Developer / AI / API Design / API / LLMs / Artificial Intelligence
)
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.
Full Stack Engineer / Technical Lead
Full Stack Engineer / Technical Lead
Client Server
Canary Wharf, East London (E14), E14
£85000 - £110000 per annum + bonus + benefits
Do you enjoy working with a range of programming languages and agentic AI? You could be progressing your career as a Full Stack Engineer / Technical Lead at a massively profitable Private Equity firm that invest in businesses across the finance, investment management and insurance space. As a Full Stack Engineer / Technical Lead you will work at the intersection of technology, data, strategy and investment, playing a pivotal role in identifying opportunities to unlock growth, improve operational performance and accelerate digital transformation across a diverse range of businesses. You'll collaborate directly with investors, executive leadership teams and portfolio companies, leading data diligence on prospective investments and shaping the technology and data strategies that underpin post-acquisition value creation.
Do you enjoy working with a range of programming languages and agentic AI? You could be progressing your career as a Full Stack Engineer / Technical Lead at a massively profitable Private Equity firm that invest in businesses across the finance, investment management and insurance space. As a Full Stack Engineer / Technical Lead you will work at the intersection of technology, data, strategy and investment, playing a pivotal role in identifying opportunities to unlock growth, improve operational performance and accelerate digital transformation across a diverse range of businesses. You'll collaborate directly with investors, executive leadership teams and portfolio companies, leading data diligence on prospective investments and shaping the technology and data strategies that underpin post-acquisition value creation.
PREMIUM
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Solutions Architect, Legal Technology
Solutions Architect, Legal Technology
Brimstone Consulting
City of London (EC2)
From £90,000 to £110,000 per annum High bonus and strong benefits pack
Strong experience with API integrations (REST, JSON, OAuth, event-driven architecture)
Strong experience with API integrations (REST, JSON, OAuth, event-driven architecture)
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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.
)
AWS (Lambda, Fargate, API Gateway, AppSync)
AWS (Lambda, Fargate, API Gateway, AppSync)
FEATURED
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Strong technical expertise across Marketing Cloud including SQL, AMPscript, SSJS, Automation Studio and API integrations
Strong technical expertise across Marketing Cloud including SQL, AMPscript, SSJS, Automation Studio and API integrations
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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
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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.
NEWPREMIUM
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Automation Test Engineer
Automation Test Engineer
Data Careers
Southwark, South East London (SE1), SE1
£60000 - £80000 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
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Youll develop robust backend services and API orchestration to underpin production-grade AI applications, and ensure operational excellence through monitoring, error handling, performance optimisation and Azure-based deployments.
Youll develop robust backend services and API orchestration to underpin production-grade AI applications, and ensure operational excellence through monitoring, error handling, performance optimisation and Azure-based deployments.
)
.Net Back End Developer- Remote
.Net Back End Developer- Remote
Exposed Solutions
South West London (SW1)
From £60,000 to £70,000 per annum
API gateway patterns and API security
API gateway patterns and API security
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Transcat Developer (Temenos T24)
Transcat Developer (Temenos T24)
Hireful
Central London, London
~£65,000 + Big bonus + extensive banking sector benefits package
Experience participating in T24 upgrade and integration projects (including API integrations).
Experience participating in T24 upgrade and integration projects (including API integrations).
FEATURED
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Solutions Engineer
Solutions Engineer
Run-Time Group Ltd
City of London, London, EC2M
Up to £75,000 per annum + bonus + stock
Own end-to-end integrations, including scoping, API setup, configuration, and troubleshooting
Own end-to-end integrations, including scoping, API setup, configuration, and troubleshooting
Strong software engineering principles: system design, API and integration patterns, security fundamentals * Python and SQL in practice, across both code-first and low-code platforms
Strong software engineering principles: system design, API and integration patterns, security fundamentals * Python and SQL in practice, across both code-first and low-code platforms
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AI Software Engineer, Firebase, GCP, COR7557A
AI Software Engineer, Firebase, GCP, COR7557A
Corriculo Ltd
Camden, North West London (NW1), N1C
£90k - 130k per year + Stock Options
Building on Firebase, using Claude API and leading LLMs, the AI Software Engineer will build the end-to-end architecture, security, performance and integration.
Building on Firebase, using Claude API and leading LLMs, the AI Software Engineer will build the end-to-end architecture, security, performance and integration.
Python Technical Lead – FinTech
Python Technical Lead – FinTech
Run-Time Group Ltd
Moorgate, City of London (EC2), EC2V 7HH
From £90,000 to £120,000 per annum
Data & API Strategy Oversee API design, data modelling, and integration with internal and external financial systems.
Data & API Strategy Oversee API design, data modelling, and integration with internal and external financial systems.
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Lead Full Stack Ruby Developer
Lead Full Stack Ruby Developer
G.R.E. Recruitment Limited
City of London (EC1)
From £80,000 to £85,000 per annum
Tech Stack: Ruby on Rails, SQL, PostgreSQL, JavaScript, Turbolinks, ReactJS, NextJS, API's, AWS - Must have an understanding of the benefits and risks of adopting AI safely and effectively
Tech Stack: Ruby on Rails, SQL, PostgreSQL, JavaScript, Turbolinks, ReactJS, NextJS, API's, AWS - Must have an understanding of the benefits and risks of adopting AI safely and effectively
Hands-on experience with prompt engineering, RAG, and LLM API/SDK integration
Hands-on experience with prompt engineering, RAG, and LLM API/SDK integration
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Full Stack Engineer
Full Stack Engineer
TOTTENHAM HOTSPUR FOOTBALL & ATHLETIC CO LTD
Clay Hill, Enfield (EN2), EN2 9AP
Unspecified
Design and build efficient API layers that expose complex data in a way that is fast, reliable and easy to consume. * Backend development experience including REST and GraphQL API design.
Design and build efficient API layers that expose complex data in a way that is fast, reliable and easy to consume. * Backend development experience including REST and GraphQL API design.
FEATURED
Related Jobs
Locations
- Moorgate
- Southwark
- Hammersmith
- The City, City (EC3)
- Winnersh
- Woollensbrook
- Boyn Hill
- Camden
- Canary Wharf
- Charing Cross
- City of London
- Cambridge
- Central London
- West End
- South East London
- Reading
- West London
- East London
- South West London
- Bracknell
- London
- Berkshire
- Cambridgeshire
- Hertfordshire
- Surrey
- Oxfordshire
- Buckinghamshire
- Hampshire
- Kent
- West Sussex
- South East
- East Anglia