OpenAPI Jobs in the UK

76 to 100 of 188 OpenAPI Jobs in the UK

Full Stack .Net Software Developer

West London, Greater London
Nexus Jobs Limited
/managing resources/deploying apps Experience in implementing business process automation Capable of working with (and developing) multiple (REST) APIs documented with e.g. OpenAPI/swagger PowerBI, PowerQuery, Dax & M Other API messaging formats e.g. JSON, XML, SOAP Experience of structured testing and quality assurance approaches (e.g. Test More ❯
Employment Type: Permanent
Posted:

Front and Backend C# Dot Net Javascript Software Developer with Umbraco

West London, Greater London
Nexus Jobs Limited
/managing resources/deploying apps Experience in implementing business process automation Capable of working with (and developing) multiple (REST) APIs documented with e.g. OpenAPI/swagger PowerBI, PowerQuery, Dax & M Other API messaging formats e.g. JSON, XML, SOAP Experience of structured testing and quality assurance approaches (e.g. Test More ❯
Employment Type: Permanent
Posted:

Full Stack .Net Software Developer

London, England, United Kingdom
Jas Gujral
/managing resources/deploying apps Experience in implementing business process automation Capable of working with (and developing) multiple (REST) APIs documented with e.g. OpenAPI/swagger PowerBI, PowerQuery, Dax & M Other API messaging formats e.g. JSON, XML, SOAP Experience of structured testing and quality assurance approaches (e.g. Test More ❯
Posted:

Cloud Platform Engineer (AWS)

City of London, London, United Kingdom
WWT EMEA UK LIMITED
role requirements are primarily for platform engineer with a few years of experience using python. Required skills and experience API servers using REST (swagger, OpenAPI). Python Flask REST API consumer models i.e.http request libraries Asynchronous models of system interaction using pub/sub & messagingusing python Celery, RabbitMQ and More ❯
Employment Type: Contract
Rate: From £600 to £700 per day
Posted:

Freelance Senior Frontend Engineer Freelance Engineering London

London, United Kingdom
Hybrid / WFH Options
Elsewhen
GitHub Actions, GCP) Assume responsibility for the technical design and implementation of solutions to complex features. Collaborate with the backend team to design APIs (OpenAPI) to support front-end requirements. Review other team members' codes and, provide feedback, assist junior developers in coding and debugging. Partner with product and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Frontend Developer

London, England, United Kingdom
Hybrid / WFH Options
Elsewhen
variables for theming support. Showcase theme-switching capabilities in Storybook to enable white-labelling. Collaborate with the backend team to provide feedback on APIs (OpenAPI) designs to support front-end requirements. Work with Product and Design teams to understand requirements, address blockers, and align on best practices. Contribute to More ❯
Posted:

Automation Tester

West Bromwich, England, United Kingdom
IBM Qatar
and present test results to clients and project teams clearly. Required Technical and Professional Expertise Required skills: Knowledge of web technologies including java, JavaScript, OpenAPI, React. Knowledge of test automation and associated test tooling e.g., Cucumber, Jenkins & Puppeteer. Knowledge of the project lifecycle in software delivery. Understanding of testing More ❯
Posted:

senior Oracle SOA consultant or architect

Cardiff, South Glamorgan, United Kingdom
N Consulting Limited
ownership of technical solution design and delivery. Core Tech Stack : Oracle SOA Suite (BPEL, OSB, Mediator, BPM, ORDS, PL/SQL) API-first design (OpenAPI/API Blueprint) Integration protocols: REST, SOAP, JSON, XML API management tools, OAuth2, OWSM, SSO WebLogic, DevOps knowledge (ELK, APM, ALM tools) Responsibilities : Technical More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

senior Oracle SOA consultant or architect

Cardiff, Wales, United Kingdom
N Consulting Limited
ownership of technical solution design and delivery. Core Tech Stack : Oracle SOA Suite (BPEL, OSB, Mediator, BPM, ORDS, PL/SQL) API-first design (OpenAPI/API Blueprint) Integration protocols: REST, SOAP, JSON, XML API management tools, OAuth2, OWSM, SSO WebLogic, DevOps knowledge (ELK, APM, ALM tools) Responsibilities : Technical More ❯
Posted:

Frontend Software Developer with Javascript HTML

London, England, United Kingdom
Hybrid / WFH Options
Jas Gujral
designs. Experience of working with and developing alongside a CMS (preferably with Umbraco). Capable of working with multiple (REST) APIs documented with e.g. OpenAPI/swagger and other API messaging formats e.g. JSON, XML, SOAP. Good knowledge of technical SEO best practices, familiar with LightHouse on assessing page More ❯
Posted:

senior Oracle SOA consultant or architect

Cardiff, Wales, United Kingdom
Natobotics
ownership of technical solution design and delivery. Core Tech Stack Oracle SOA Suite (BPEL, OSB, Mediator, BPM, ORDS, PL/SQL) API-first design (OpenAPI/API Blueprint) Integration protocols: REST, SOAP, JSON, XML API management tools, OAuth2, OWSM, SSO WebLogic, DevOps knowledge (ELK, APM, ALM tools) Responsibilities Technical More ❯
Posted:

C# Software Engineer

Bristol, Gloucestershire, United Kingdom
Hybrid / WFH Options
Endeavour Recruitment Solutions
XML development: XSD and XSLT (hands-on experience in XSLTs, DTD, XSDs). Experience with HTML DOM manipulation Familiarity with WSDL and Swagger/OpenApi web service definition formats. Experience working with stakeholders and business analysts to gather business requirements to derive functional and non-functional requirements. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

C# Software Engineer

London, United Kingdom
Hybrid / WFH Options
Endeavour Recruitment Solutions
XML development: XSD and XSLT (hands-on experience in XSLTs, DTD, XSDs). Experience with HTML DOM manipulation Familiarity with WSDL and Swagger/OpenApi web service definition formats. Experience working with stakeholders and business analysts to gather business requirements to derive functional and non-functional requirements. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

C# Software Engineer

Bristol, England, United Kingdom
Hybrid / WFH Options
Endeavour Recruitment Solutions
XML development: XSD and XSLT (hands-on experience in XSLTs, DTD, XSDs). Experience with HTML DOM manipulation Familiarity with WSDL and Swagger/OpenApi web service definition formats. Experience working with stakeholders and business analysts to gather business requirements to derive functional and non-functional requirements. #J More ❯
Posted:

Solution Architect

Manchester, England, United Kingdom
Hybrid / WFH Options
BAPON IT Services
Strong background in banking or financial services, including knowledge of core banking, payments, and digital channels. Expert-level skills in API design (REST, SOAP, OpenAPI) and integration architectures. Experience with API management platforms (e.g., Apigee, MuleSoft, Kong, WSO2). Understanding of cloud services (AWS, Azure, GCP), microservices, and containerization. More ❯
Posted:

Senior Design Consultant (Oracle SOA Suite)

Cardiff, South Glamorgan, United Kingdom
eTeam Workforce Limited
with multiple industries At least 5 years of solution design, covering technical integration Experience on API Design First approach, knowledge on API Blueprint/OpenAPI specifications Hands on experience in Oracle SOA Suite (BPEL, OSB, Mediator, Business Rules), Oracle BPM Suite, and ORDS, PL/SQL Following best practices More ❯
Employment Type: Contract
Rate: GBP 350 - 400 Daily
Posted:

Senior Frontend Engineer

London, England, United Kingdom
Conduktor
flawless. Improving performance and navigation and helping to integrate design changes into the frontend. Working with our backend teams (Scala backends) using REST services (OpenAPI) to ensure seamless integration with the server side. Apply industry best practices to maintain high code quality and test coverage. Lead/Coordinate the More ❯
Posted:

Senior Frontend Engineer London

London, England, United Kingdom
Hybrid / WFH Options
Conduktor Inc
flawless. Improving performance and navigation and helping to integrate design changes into the frontend Working with our backend teams (Scala backends) using REST services (OpenAPI) to ensure seamless integration with the server side Apply industry best practices to maintain high code quality and test coverage. Lead/Coordinate the More ❯
Posted:

System Engineer

Newport, UK
Inductosense
REST APIs, webhooks, or SDKs. Strong knowledge of one or more languages: Python, Java, C#, or Node.js. Familiarity with tools like Postman, Swagger/OpenAPI, MQTT, JSON, and XML data formats. Experience working with middleware platforms, messaging brokers, or integration layers (e.g., Azure IoT Hub, AWS IoT Core, or More ❯
Employment Type: Full-time
Posted:

System Engineer

Bath, Somerset, UK
Inductosense
REST APIs, webhooks, or SDKs. Strong knowledge of one or more languages: Python, Java, C#, or Node.js. Familiarity with tools like Postman, Swagger/OpenAPI, MQTT, JSON, and XML data formats. Experience working with middleware platforms, messaging brokers, or integration layers (e.g., Azure IoT Hub, AWS IoT Core, or More ❯
Employment Type: Full-time
Posted:

System Engineer

Bradley Stoke, Gloucestershire, UK
Inductosense
REST APIs, webhooks, or SDKs. Strong knowledge of one or more languages: Python, Java, C#, or Node.js. Familiarity with tools like Postman, Swagger/OpenAPI, MQTT, JSON, and XML data formats. Experience working with middleware platforms, messaging brokers, or integration layers (e.g., Azure IoT Hub, AWS IoT Core, or More ❯
Employment Type: Full-time
Posted:

System Engineer

City Of Bristol, England, United Kingdom
Inductosense
REST APIs, webhooks, or SDKs. Strong knowledge of one or more languages: Python, Java, C#, or Node.js. Familiarity with tools like Postman, Swagger/OpenAPI, MQTT, JSON, and XML data formats. Experience working with middleware platforms, messaging brokers, or integration layers (e.g., Azure IoT Hub, AWS IoT Core, or More ❯
Posted:

Full-Stack Software Engineer

Slough, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
or related fields). Experience with AWS and Docker. Interest in AI, and familiarity with building LLM-based agents. Exposure to contract-first development (OpenAPI, gRPC/Protocol Buffers). Ability to design scalable and efficient system architectures. Ability to navigate rapidly changing priorities in a growing startup environment. More ❯
Posted:

Full-Stack Software Engineer

London, England, United Kingdom
Hybrid / WFH Options
Ameba
or related fields). Experience with AWS and Docker. Interest in AI, and familiarity with building LLM-based agents. Exposure to contract-first development (OpenAPI, gRPC/Protocol Buffers). Ability to design scalable and efficient system architectures. Ability to navigate rapidly changing priorities in a growing startup environment. More ❯
Posted:

Senior Frontend Developer at Elsewhen

United Kingdom
Hybrid / WFH Options
HipHopTune Media
variables for theming support. Showcase theme-switching capabilities in Storybook to enable white-labelling. Collaborate with the backend team to provide feedback on APIs (OpenAPI) designs to support front-end requirements. Work with Product and Design teams to understand requirements, address blockers, and align on best practices. Contribute to More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
OpenAPI
25th Percentile
£50,000
Median
£55,000
75th Percentile
£60,000
90th Percentile
£81,250