experience (v18+) Experience with build pipelines, CI, Docker Proficiency in Git Strong HTML and CSS skills Excellent communication skills Knowledge of Sidekiq, RSwag/OpenAPI, Tailwind, GraphQL, React Hook Form, React Query, Terraform WHAT WE OFFER: Opportunity to work with various technologies Encouragement to suggest new ideas and experiments More ❯
Java, Spring Boot, RESTful microservices, and event-driven architectures (Kafka, Avro). Strong frontend acumen with React, JavaScript/TypeScript, and API-first integration (OpenAPI). Deep familiarity with Kubernetes orchestration, container security, and infrastructure as code. • Architectural & Analytical Skills Proven track record designing for high availability, performance, and … REST Frontend: React, Angular, JavaScript/TypeScript Data & Messaging: Oracle, PostgreSQL, Kafka, Avro Infrastructure & DevOps: Kubernetes (PKS), Docker, Helm, Terraform APIs & Modeling: API-first (OpenAPI), UML Languages: English C1 Spanish C2 What can we offer? 23 days of Annual Leave plus the 24th and 31st of December as discretionary More ❯
Java, Spring Boot, RESTful microservices, and event-driven architectures (Kafka, Avro). Strong frontend acumen with React, JavaScript/TypeScript, and API-first integration (OpenAPI). Deep familiarity with Kubernetes orchestration, container security, and infrastructure as code. • Architectural & Analytical Skills Proven track record designing for high availability, performance, and … REST Frontend: React, Angular, JavaScript/TypeScript Data & Messaging: Oracle, PostgreSQL, Kafka, Avro Infrastructure & DevOps: Kubernetes (PKS), Docker, Helm, Terraform APIs & Modeling: API-first (OpenAPI), UML Languages: English C1 Spanish C2 What can we offer? ️ 23 days of Annual Leave plus the 24th and 31st of December as discretionary More ❯
up/managing resources/deploying apps Familiar with JIRA and Confluence Capable of working with (and developing) multiple (REST) APIs documented with e.g. OpenAPI/swagger and other API messaging formats e.g. JSON, XML, SOAP Experience of PowerBI, PowerQuery and R Experience of structured testing and quality assurance More ❯
up/managing resources/deploying apps Familiar with JIRA and Confluence Capable of working with (and developing) multiple (REST) APIs documented with e.g. OpenAPI/swagger and other API messaging formats e.g. JSON, XML, SOAP Experience of PowerBI, PowerQuery and R Experience of structured testing and quality assurance More ❯
Milton Keynes, England, United Kingdom Hybrid / WFH Options
Spinbox, Ltd
with: C# and ASP.net (minimum 4 years commercial experience) Web application and CMS development experience (Umbraco/Sitefinity advantageous) Typescript, React or Angular, ServiceStack, OpenAPI/Swagger, Polly, ElasticSearch/Azure Search ORM experience (EF or Telerik OpenAccess) Git and Azure DevOps Development with Azure services (e.g. Functions, Storage More ❯
London, England, United Kingdom Hybrid / WFH Options
Wikimedia Foundation
experienced team members; Contributing to the adoption and advocacy of API-first development, and influencing best practices in system design, SLOs/SLAs, and OpenAPISpecification; Championing product metrics: ensuring that key user journeys are instrumented and monitored to guide decisions and evaluate success; Leading by example in code More ❯
London, England, United Kingdom Hybrid / WFH Options
Free-Work UK
full 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 ❯
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 ❯
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 ❯
full 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 ❯
full 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 ❯
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 ❯
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 ❯
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 ❯
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 ❯
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 ❯
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 ❯
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 ❯
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 ❯
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 ❯
London, England, United Kingdom Hybrid / WFH Options
Proton
as SRE or on-call Experience with Docker or similar containerization technologies Experience with metrics graphing/analysis toolkits Experience with Node.js Experience with OpenAPI specs or other API documentation frameworks Even if you don’t meet all the requirements listed above, but feel you could still be a More ❯
can enhance our application's capabilities and performance Open Standards: Work with us to further our commitment to open standards such as OpenTelemetry and OpenApi About you At least 5 years of professional experience in software development, with a strong focus on .Net technologies. Expertise in .Net framework, C# More ❯
Chester, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
can enhance our application's capabilities and performance Open Standards: Work with us to further our commitment to open standards such as OpenTelemetry and OpenApi About you At least 5 years of professional experience in software development, with a strong focus on .Net technologies. Expertise in .Net framework, C# More ❯
Ipswich, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
can enhance our application's capabilities and performance Open Standards: Work with us to further our commitment to open standards such as OpenTelemetry and OpenApi About you At least 5 years of professional experience in software development, with a strong focus on .Net technologies. Expertise in .Net framework, C# More ❯