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106 Permanent API jobs in St. Albans + 20 miles
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Monitor and incorporate changes to QA compliance incorporating relevant design codes (ASME, API, etc.)
Monitor and incorporate changes to QA compliance incorporating relevant design codes (ASME, API, etc.)
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Junior Test Automation Engineer
Junior Test Automation Engineer
Lynx Recruitment Limited
SW1W, South West London
From £35,000 to £50,000 per annum
Hands-on experience with API testing tools such as RestAssured or SoapUI
Hands-on experience with API testing tools such as RestAssured or SoapUI
Test Automation Engineer
Test Automation Engineer
Lynx Recruitment Limited
SW1W, South West London
From £50,000 to £65,000 per annum
Hands-on experience with API testing tools such as RestAssured or SoapUI
Hands-on experience with API testing tools such as RestAssured or SoapUI
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SharePoint REST API: Integration with SharePoint lists and libraries
SharePoint REST API: Integration with SharePoint lists and libraries
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Software Engineer - JavaScript / React / Typescript / Node
Software Engineer - JavaScript / React / Typescript / Node
Inspire People
Central London, London, WC2N 5DN
£600 - £700 per day + Inside IR35
Experience with building and maintaining RESTful API's using Node.js. Developing and maintaining applications in serverless environments using distributed architecture and AWS tools including Lambda, API Gateway, S3, Cognito & RDS.
Experience with building and maintaining RESTful API's using Node.js. Developing and maintaining applications in serverless environments using distributed architecture and AWS tools including Lambda, API Gateway, S3, Cognito & RDS.
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C++ Software Engineer MacOS - Cyber Security
C++ Software Engineer MacOS - Cyber Security
Client Server
The City, EC4
£65000 - £80000 per annum + benefits
C++ Software Engineer / Developer (C++ Mac Extensions API) WFH / London to £80k - As a C++ Software Engineer you will focus on enabling the core product, written in C / C++ for Windows and Linux to run on Apple Mac software, using the latest Extensions, tools and API integrations. Apply now to find out more about this C++ Software Engineer / Developer (C++ Mac Extensions API) opportunity.
C++ Software Engineer / Developer (C++ Mac Extensions API) WFH / London to £80k - As a C++ Software Engineer you will focus on enabling the core product, written in C / C++ for Windows and Linux to run on Apple Mac software, using the latest Extensions, tools and API integrations. Apply now to find out more about this C++ Software Engineer / Developer (C++ Mac Extensions API) opportunity.
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AI (artificial intelligence) DevOps Engineer
AI (artificial intelligence) DevOps Engineer
Huxley Associates
EC1, City of London
£60000 - £90000 per annum
You'll also ensure alignment with enterprise-grade security practices, including zero trust principles, identity-aware routing, and integration with Azure API Management and Application Gateway. * API Gateway, Azure API Management (APIM), Azure Application Gateway
You'll also ensure alignment with enterprise-grade security practices, including zero trust principles, identity-aware routing, and integration with Azure API Management and Application Gateway. * API Gateway, Azure API Management (APIM), Azure Application Gateway
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Proficiency with Git workflows, LAMP stack, and REST API integrations.
Proficiency with Git workflows, LAMP stack, and REST API integrations.
NEWFEATURED
Writing (looking for experience with Scala, JavaScript, Java or any ideally procedural programming or alternatively object-orientated language), running and debugging functional automation tests on an integrated development environment (IDE) for front-end and API testing and frameworks including Cucumber BDD or Junit or Rest Assured
Writing (looking for experience with Scala, JavaScript, Java or any ideally procedural programming or alternatively object-orientated language), running and debugging functional automation tests on an integrated development environment (IDE) for front-end and API testing and frameworks including Cucumber BDD or Junit or Rest Assured
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Experience with AWS services (Lambda, SQS, API gateways, S3).
Experience with AWS services (Lambda, SQS, API gateways, S3).
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Data exchange and processing skills (e.g. ETL, ESB, API...)
Data exchange and processing skills (e.g. ETL, ESB, API...)
NEWFEATURED
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Build and work with modern API and microservices architectures
Build and work with modern API and microservices architectures
NEWEQUALITY BOOST
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Systems Engineer - Enterprise Technology
Systems Engineer - Enterprise Technology
Randstad Digital
EC1, City of London
£250000 - £350000 per annum
Proficiency with the administration, integration, and API capabilities of SaaS platforms such as Okta, Google Workspace, Atlassian products, and Slack. * Familiarity with authentication and provisioning methods like SAML, OIDC, SCIM, and non-standard API-based workflows.
Proficiency with the administration, integration, and API capabilities of SaaS platforms such as Okta, Google Workspace, Atlassian products, and Slack. * Familiarity with authentication and provisioning methods like SAML, OIDC, SCIM, and non-standard API-based workflows.
NEWFEATURED
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Our tech stack and methodologies: C# .NET (8+), Terraform, Typescript - Services: Rest API; Event-driven, Microservice, Serverless architecture - Principles: TDD, Agile, Pair Programming - CI/CD: Git, Docker, Bamboo - Cloud: AWS, Lambda, ECS - Databases/Storage: Postgres , Dynamo, DocumentDb, OpenSearch/Elastic, Redis - Monitoring: Cloudwatch, Kibana, Grafana, DataDog
Our tech stack and methodologies: C# .NET (8+), Terraform, Typescript - Services: Rest API; Event-driven, Microservice, Serverless architecture - Principles: TDD, Agile, Pair Programming - CI/CD: Git, Docker, Bamboo - Cloud: AWS, Lambda, ECS - Databases/Storage: Postgres , Dynamo, DocumentDb, OpenSearch/Elastic, Redis - Monitoring: Cloudwatch, Kibana, Grafana, DataDog
PREMIUM
Build and work with modern API and microservices architectures
Build and work with modern API and microservices architectures
PREMIUM
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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
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
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Staff Back End Engineer
Staff Back End Engineer
John Lewis Head Office
SW1V, South West London, SW1V 2QQ
Up to £94,200 per annum
REST API development and/or consumption.
REST API development and/or consumption.
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Senior Technical Business Analyst
Senior Technical Business Analyst
REC SOLUTIONS LIMITED
The City, EC4
Competitive base salary plus bonus and benefits
Technical documentation Produce and maintain detailed technical and functional documentation, including API specifications, configuration workflows, and integration guides. * Proven ability to produce and maintain high-quality technical documentation and API specifications suitable for both engineering and client consumption.
Technical documentation Produce and maintain detailed technical and functional documentation, including API specifications, configuration workflows, and integration guides. * Proven ability to produce and maintain high-quality technical documentation and API specifications suitable for both engineering and client consumption.
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Experience with API testing tools such as Postman.
Experience with API testing tools such as Postman.
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Principal Software Engineer - Unified Client Experience (UCX)
Principal Software Engineer - Unified Client Experience (UCX)
Hargreaves Lansdown
EC1, City of London
Up to £11500 per annum + Generous bonus, pension, PMI & more
Solid experience in building and deploying frontend applications in React or React Native with hands-on knowledge of secure API design and authentication services.
Solid experience in building and deploying frontend applications in React or React Native with hands-on knowledge of secure API design and authentication services.
NEWFEATURED
Senior Software Engineer - Unified Client Experience (UCX)
Senior Software Engineer - Unified Client Experience (UCX)
Hargreaves Lansdown
EC1, City of London
£75000 - £95000 per annum + Generous bonus, pension, PMI & more
Solid experience in building and deploying frontend applications in React or React Native with hands-on knowledge of secure API design and authentication services.
Solid experience in building and deploying frontend applications in React or React Native with hands-on knowledge of secure API design and authentication services.
NEWFEATURED
Senior Android Engineer
Senior Android Engineer
John Lewis Head Office
SW1V, South West London, SW1V 2QQ
From £48,500 to £74,000 per annum
REST API development and/or consumption
REST API development and/or consumption
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Software Engineering Manager - Unified Client Experience (UCX)
Software Engineering Manager - Unified Client Experience (UCX)
Hargreaves Lansdown
EC1, City of London
£90000 - £115000 per annum + Generous bonus, pension, PMI and more
Solid experience in building and deploying frontend applications in React or React Native with hands-on knowledge of secure API design and authentication services.
Solid experience in building and deploying frontend applications in React or React Native with hands-on knowledge of secure API design and authentication services.
NEWFEATURED
Date: 30 Sept 2025 - Location: London, GB, EC2V 7AD - Company: Paysafe - Paysafe is a leading payments platform with an extensive track record of serving merchants and consumers in the global entertainment sectors. Its core purpose is to enable businesses and consumers to connect and transact seamlessly through industry-leading capabilities in payment processing, digital wallet, and online cash solutions. With 29 years of online payment experience, an annualized transactional volume of $152 billion in 2024, and approximately 3,300 employees located in 12+ countries, Paysafe connects businesses and consumers across 260 payment types in 48 currencies around the world. Delivered through an integrated platform, Paysafe solutions are geared toward mobile-initiated transactions, real-time analytics and the convergence between brick-and-mortar and online payments.
Date: 30 Sept 2025 - Location: London, GB, EC2V 7AD - Company: Paysafe - Paysafe is a leading payments platform with an extensive track record of serving merchants and consumers in the global entertainment sectors. Its core purpose is to enable businesses and consumers to connect and transact seamlessly through industry-leading capabilities in payment processing, digital wallet, and online cash solutions. With 29 years of online payment experience, an annualized transactional volume of $152 billion in 2024, and approximately 3,300 employees located in 12+ countries, Paysafe connects businesses and consumers across 260 payment types in 48 currencies around the world. Delivered through an integrated platform, Paysafe solutions are geared toward mobile-initiated transactions, real-time analytics and the convergence between brick-and-mortar and online payments.
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Company Overview - At Motorola Solutions, we believe that everything starts with our people. Were a global close-knit community, united by the relentless pursuit to help keep people safer everywhere. Our critical communications, video security and command center technologies support public safety agencies and enterprises alike, enabling the coordination thats critical for safer communities, safer schools, safer hospitals and safer businesses. Connect with a career that matters, and help us build a safer future. Department Overview - The Senior Software Security Engineer will be responsible for analysing software designs and implementations from a security perspective, identifying and proposing remediations to security issues throughout the software development lifecycle (SDLC). Job Description - This role is primarily hybrid, with occasional travel to our UK offices,
Company Overview - At Motorola Solutions, we believe that everything starts with our people. Were a global close-knit community, united by the relentless pursuit to help keep people safer everywhere. Our critical communications, video security and command center technologies support public safety agencies and enterprises alike, enabling the coordination thats critical for safer communities, safer schools, safer hospitals and safer businesses. Connect with a career that matters, and help us build a safer future. Department Overview - The Senior Software Security Engineer will be responsible for analysing software designs and implementations from a security perspective, identifying and proposing remediations to security issues throughout the software development lifecycle (SDLC). Job Description - This role is primarily hybrid, with occasional travel to our UK offices,
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