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159 Permanent API jobs in Middlegreen + 20 miles
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
NEW
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Experience with Python for data extraction and API integration.
Experience with Python for data extraction and API integration.
FEATURED
)
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
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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
)
API testing experience (REST/GraphQL) - both automated and manual * Python knowledge (for backend/API testing)
API testing experience (REST/GraphQL) - both automated and manual * Python knowledge (for backend/API testing)
NEW
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
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
)
Collaborate with BTP Integration teams to drive the technical design and delivery of SAP Cloud Integration projects involving Ariba, SuccessFactors, Salesforce and other external systems using API-based architecture.
Collaborate with BTP Integration teams to drive the technical design and delivery of SAP Cloud Integration projects involving Ariba, SuccessFactors, Salesforce and other external systems using API-based architecture.
NEW
As a Solution Architect, you will be instrumental in driving the evolution of our SAP platform by delivering API-enabled digital products that integrate key business capabilities. * Familiarity with API management tools and practices, including API versioning, documentation, and security.
As a Solution Architect, you will be instrumental in driving the evolution of our SAP platform by delivering API-enabled digital products that integrate key business capabilities. * Familiarity with API management tools and practices, including API versioning, documentation, and security.
Familiarity with TEMA and relevant API and ASME codes and standards
Familiarity with TEMA and relevant API and ASME codes and standards
Familiarity with relevant API and ASME codes and standards
Familiarity with relevant API and ASME codes and standards
SharePoint CSOM API
SharePoint CSOM API
NEW
Familiarity with the following codes : API (610-619 Pumps / Compressors / Turbines ) ISO and ASME
Familiarity with the following codes : API (610-619 Pumps / Compressors / Turbines ) ISO and ASME
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Strong background in test automation ((Playwright, Appium, API,etc.)
Strong background in test automation ((Playwright, Appium, API,etc.)
NEW
Experience building API-driven services that integrate with frontends or mobile clients.
Experience building API-driven services that integrate with frontends or mobile clients.
Knowledge of creation of API documentation using YAML specifications.
Knowledge of creation of API documentation using YAML specifications.
Basic understanding of backend development principles and RESTful API design.
Basic understanding of backend development principles and RESTful API design.
Senior Technical Consultant - ServiceNow UI / UX (EMEA-based)
Senior Technical Consultant - ServiceNow UI / UX (EMEA-based)
ServiceNow
City of London, London
Competitive
Perform hands-on implementation with the ServiceNow platform, leveraging all ServiceNow technologies and capabilities: Workflow Studio/ Flow Designer, JavaScript, REST/SOAP API integrations (incl. MID Servers), Single Sign-On and more
Perform hands-on implementation with the ServiceNow platform, leveraging all ServiceNow technologies and capabilities: Workflow Studio/ Flow Designer, JavaScript, REST/SOAP API integrations (incl. MID Servers), Single Sign-On and more
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.
AWS API Gateway
AWS API Gateway
Define and manage the external access layer, creating a secure and governed API Gateway that empowers third-party developers to integrate independently. * Establish a consistent API publishing workflow for all internal squads, ensuring quality and governance as we scale our external offerings. You have a deep understanding of developer platforms and API ecosystems, with experience in both internal productivity and external integration. * Sector knowledge: You have technical fluency in areas like CI/CD, observability, API gateways, and infrastructure-as-code. Deliver a world-class external access layer, including a Developer Portal and governed API Gateway, to empower third-party developers to self-serve and integrate seamlessly.
Define and manage the external access layer, creating a secure and governed API Gateway that empowers third-party developers to integrate independently. * Establish a consistent API publishing workflow for all internal squads, ensuring quality and governance as we scale our external offerings. You have a deep understanding of developer platforms and API ecosystems, with experience in both internal productivity and external integration. * Sector knowledge: You have technical fluency in areas like CI/CD, observability, API gateways, and infrastructure-as-code. Deliver a world-class external access layer, including a Developer Portal and governed API Gateway, to empower third-party developers to self-serve and integrate seamlessly.
Location: Central London or Remote [Moldova] Job Type: Full time - Why join us? If you love food and technology as much as we do, youll love life at Vita Mojo. Were on a mission to revolutionise the hospitality experience for operators and their customers. Through our smart digital products, were powering the digital transformation of your favourite pubs, bars and restaurants. And we want a world where everyone gets the meal theyre hoping for. Each and every time. Our Vita Mojo DNA - Were proud to have built an award-winning digital platform. Vita Mojo is a positive, energetic and forward-thinking place to work, and when you become a Moji, youll be joining a supportive team whove always got your back. Our passion for technology and food is matched only by our support for our people. About the role - Your mission as a Vita Mojo Full Stack Engineer is to help us bring o
Location: Central London or Remote [Moldova] Job Type: Full time - Why join us? If you love food and technology as much as we do, youll love life at Vita Mojo. Were on a mission to revolutionise the hospitality experience for operators and their customers. Through our smart digital products, were powering the digital transformation of your favourite pubs, bars and restaurants. And we want a world where everyone gets the meal theyre hoping for. Each and every time. Our Vita Mojo DNA - Were proud to have built an award-winning digital platform. Vita Mojo is a positive, energetic and forward-thinking place to work, and when you become a Moji, youll be joining a supportive team whove always got your back. Our passion for technology and food is matched only by our support for our people. About the role - Your mission as a Vita Mojo Full Stack Engineer is to help us bring o
Any company can tell you about how they are a multi award winning, market leading business and yes, we are both of those things in the world of IoT connectivity! But were more than that. Our mission? To make IoT management a breeze for any device, anywhere. With over 10 million IoT subscriptions active in 165 countries and direct partnerships with 50 mobile networks, we connect you to more than 750 networks worldwide, delivering unmatched value across the IoT connectivity chain. Innovation is in our DNA, and we have an insatiable hunger to wow! While we may not always get it right, our drive to collaborate, innovate, and achieve top-notch customer satisfaction never wavers. We offer industry expertise, stellar service support, and the most flexible, resilient, and secure connectivity solutions on the market.
Any company can tell you about how they are a multi award winning, market leading business and yes, we are both of those things in the world of IoT connectivity! But were more than that. Our mission? To make IoT management a breeze for any device, anywhere. With over 10 million IoT subscriptions active in 165 countries and direct partnerships with 50 mobile networks, we connect you to more than 750 networks worldwide, delivering unmatched value across the IoT connectivity chain. Innovation is in our DNA, and we have an insatiable hunger to wow! While we may not always get it right, our drive to collaborate, innovate, and achieve top-notch customer satisfaction never wavers. We offer industry expertise, stellar service support, and the most flexible, resilient, and secure connectivity solutions on the market.
Related Jobs
Locations
- Southwark
- The City, City (EC3)
- Charing Cross
- Datchet Common
- Euston
- Ireland
- The Borough
- The City, City (EC4)
- Canary Wharf
- Clerkenwell
- City of London
- South East London
- Reading
- Cambridge
- South West London
- Central London
- West End
- Milton Keynes
- North West London
- East London
- London
- Berkshire
- Cambridgeshire
- Surrey
- Oxfordshire
- Hampshire
- Buckinghamshire
- Hertfordshire
- Bedfordshire
- Northamptonshire
- South East
- East Anglia
- East Midlands
- Midlands