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764 API jobs in South East + 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
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Software Developer - Full Stack
Software Developer - Full Stack
AWD Online
Hounslow (TW4)
From £35,000 to £40,000 per annum pro rata + Benefits
API Knowledge: Familiarity with RESTful APIs, microservices and integration patterns
API Knowledge: Familiarity with RESTful APIs, microservices and integration patterns
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Familiarity with tools used in integrations and diagnostics (e.g. Postman, API logs).
Familiarity with tools used in integrations and diagnostics (e.g. Postman, API logs).
Junior Software Engineer (Python) - London (Hybrid)
Junior Software Engineer (Python) - London (Hybrid)
Transparent Technology
London
£55000 - £65000 per annum
Software Engineer | London Hybrid | Scientific Software | Python, APIs, AWS, Data Integrations | £55k-£65k + Equity - A growing software company is helping scientists and researchers accelerate the development of next-generation products across industries including advanced materials, chemicals, biotechnology, food, and sustainability. Backed by leading investors and trusted by enterprise R&D organisations, their platform is transforming how scientific teams manage data, experiments, and research workflows. They are looking for a Software Engineer / Implementations Engineer to join a highly technical customer-facing engineering team. This role sits between software engineering, data engineering, and customer delivery, helping build integrations, data migrations, APIs, and custom workflows that connect customer environments directly into the platform.
Software Engineer | London Hybrid | Scientific Software | Python, APIs, AWS, Data Integrations | £55k-£65k + Equity - A growing software company is helping scientists and researchers accelerate the development of next-generation products across industries including advanced materials, chemicals, biotechnology, food, and sustainability. Backed by leading investors and trusted by enterprise R&D organisations, their platform is transforming how scientific teams manage data, experiments, and research workflows. They are looking for a Software Engineer / Implementations Engineer to join a highly technical customer-facing engineering team. This role sits between software engineering, data engineering, and customer delivery, helping build integrations, data migrations, APIs, and custom workflows that connect customer environments directly into the platform.
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Senior Full Stack Developer (TypeScript / Vue.js / C# / .NET) Fully Remote (UK-based) Contract Outside IR35 - Long-Term Contract - Competitive Day Rate - Were working with a well-established organisation undergoing a major platform transformation programme, and theyre looking to add an experienced Full Stack Developer to the team. This role will suit someone who enjoys owning features end-to-end, with strong frontend expertise while remaining comfortable working across APIs, databases, and backend services in a modern environment. What Youll Be Doing * Developing and enhancing customer-facing platforms and transactional systems * Building modern applications using Vue.js and TypeScript * Working closely with product, QA, and engineering teams to deliver new features * Investigating and resolving production issues across frontend, APIs, and databases
Senior Full Stack Developer (TypeScript / Vue.js / C# / .NET) Fully Remote (UK-based) Contract Outside IR35 - Long-Term Contract - Competitive Day Rate - Were working with a well-established organisation undergoing a major platform transformation programme, and theyre looking to add an experienced Full Stack Developer to the team. This role will suit someone who enjoys owning features end-to-end, with strong frontend expertise while remaining comfortable working across APIs, databases, and backend services in a modern environment. What Youll Be Doing * Developing and enhancing customer-facing platforms and transactional systems * Building modern applications using Vue.js and TypeScript * Working closely with product, QA, and engineering teams to deliver new features * Investigating and resolving production issues across frontend, APIs, and databases
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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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Design and deliver event-driven, API-first, and messaging solutions (NATS, REST) * Expertise in API-first design (REST, gRPC) and microservices architecture * Proven delivery of cloud-native solutions on AWS (ECS/EKS, SQS/SNS, API Gateway) * Experience with API governance and integration best practices
Design and deliver event-driven, API-first, and messaging solutions (NATS, REST) * Expertise in API-first design (REST, gRPC) and microservices architecture * Proven delivery of cloud-native solutions on AWS (ECS/EKS, SQS/SNS, API Gateway) * Experience with API governance and integration best practices
FEATURED
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Senior C# Engineer - AI Native & Agentic Engineering, AWS, Lambda, SQS
Senior C# Engineer - AI Native & Agentic Engineering, AWS, Lambda, SQS
Smart Sourcer Limited
City of London (EC1)
From £700 to £800 per day OUTSIDE IR35
Strong authority across AWS serverless Lambda-first thinking, plus API Gateway, SQS, Step Functions, EventBridge and IAM. * Strong API design sensibility: versioning, documentation, throttling, backwards compatibility and a genuine obsession with DX.
Strong authority across AWS serverless Lambda-first thinking, plus API Gateway, SQS, Step Functions, EventBridge and IAM. * Strong API design sensibility: versioning, documentation, throttling, backwards compatibility and a genuine obsession with DX.
NEW
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Experience of guiding and documenting cloud and API solution architectures including design solutions using AWS API Gateway and Lambdas.
Experience of guiding and documenting cloud and API solution architectures including design solutions using AWS API Gateway and Lambdas.
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The ideal candidate will also have knowledge of the Google Maps JavaScript API, but this is not essential.
The ideal candidate will also have knowledge of the Google Maps JavaScript API, but this is not essential.
FEATURED
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Understanding of enterprise solutioning with cloud platforms (AWS, Azure, GCP), API integration, and data security best practices.
Understanding of enterprise solutioning with cloud platforms (AWS, Azure, GCP), API integration, and data security best practices.
API design and versioning - o Governance of API lifecycle and documentation * Strong experience designing and governing API-centric architectures, including APIM, microservices, and integration patterns.
API design and versioning - o Governance of API lifecycle and documentation * Strong experience designing and governing API-centric architectures, including APIM, microservices, and integration patterns.
Architecture: Event-driven systems, microservices, API-first design
Architecture: Event-driven systems, microservices, API-first design
Integration architecture: microservices, API gateways, event-driven architectures, event brokers (Kafka), queues - handling 120+ integration points across systems and legacy stacks API Development & Integration - Strong expertise in API lifecycle design usingOpenAPIspecifications (OAS) - can read and write API specs - TMF Open API
Integration architecture: microservices, API gateways, event-driven architectures, event brokers (Kafka), queues - handling 120+ integration points across systems and legacy stacks API Development & Integration - Strong expertise in API lifecycle design usingOpenAPIspecifications (OAS) - can read and write API specs - TMF Open API
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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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Enterprise system integrations and API design
Enterprise system integrations and API design
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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.
Champion the use of strategic platforms and shared integration/API frameworks.
Champion the use of strategic platforms and shared integration/API frameworks.
PREMIUM
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Proven track record in test automation frameworks (e.g. Jest, API/integration testing, end-to-end testing)
Proven track record in test automation frameworks (e.g. Jest, API/integration testing, end-to-end testing)
Related Jobs
Locations
- Moorgate
- Southwark
- The City, City (EC3)
- Hammersmith
- St James
- Winnersh
- Woollensbrook
- Abbotts Ann
- Boyn Hill
- Broadlees
- City of London
- Central London
- West End
- Reading
- South East London
- Oxford
- South West London
- East London
- West London
- Milton Keynes
- London
- Berkshire
- Hampshire
- Oxfordshire
- Surrey
- Hertfordshire
- Buckinghamshire
- Kent
- Bedfordshire
- West Sussex
- South East