OpenAPI Jobs in the UK

126 to 150 of 193 OpenAPI Jobs in the UK

Senior Dotnet Developer

Hounslow, 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 ❯
Posted:

Solutions Architect

London, England, United Kingdom
Gamecompanies
Familiarity with microservices architecture, API design, and integration patterns. Experience with event-driven architecture and messaging systems (e.g., Kafka, RabbitMQ, PubSub). Experience with OpenAPI and AsyncAPI for defining APIs, and exercising the APIs through appropriate tools (e.g., Postman). Solid knowledge of data modeling, databases (SQL and NoSQL More ❯
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Senior Software Engineer

London, England, United Kingdom
Hybrid / WFH Options
Made Tech Limited
Made Tech is on a mission to use technology to improve society - for everyone. We help public sector organisations transform, deliver and manage world-class digital products and cloud services. We work with the UK government to modernise legacy technology More ❯
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Software Engineer

Glenrothes, Fife, United Kingdom
Hybrid / WFH Options
Ember Technology Ltd
in the Laravel framework and the dependency manager Composer) MySQL Complex Rest APIs Git Project Tracking Tool (JIRA ideally) Ideal Skills Swagger API Documentation (OpenAPI Specification) HTML5/CSS3/SASS Vue/Vuex/Bootstrap Vue Node/Npm JS Testing Frameworks such as Jest or Mocha Sketch More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

QA Engineer

Manchester, Lancashire, United Kingdom
Manchester Digital
Experience: Strong communication skills and ability to work independently Experience in Agile/Scrum environments Expertise in requirements gathering and QA methodologies Proficient in OpenAPI/Swagger for API testing and documentation Skilled in manual, mobile, and API testing Extensive experience with Test Automation (Playwright/CucumberJs) If this More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Java Developer

Leatherhead, Surrey, South East
CGI
about the contract you'll be working on here Key Responsibilities • Develop and automate testing for Java microservices. • Build and maintain RESTful APIs utilizing OpenAPI and JSON. • Collaborate within agile teams, adapting to rapidly changing requirements. • Work in an environment that values pragmatic, delivery-focused problem solving and continuous … this role • Java Microservices Development: Proven experience in building and testing Java microservices. • RESTful API Development: Recent hands-on experience with developing APIs using OpenAPI and JSON. • Teamwork & Communication: Strong team working and communication skills; the ability to adapt to evolving project requirements. Highly Desirable • Spring/Spring Boot More ❯
Employment Type: Permanent
Posted:

Senior Java Developer (DevSecOps) - VP

London, England, United Kingdom
Hybrid / WFH Options
11037 Citibank, N.A. United Kingdom
using Flyway. Utilize Hazelcast for distributed caching and data storage. Deploy and manage applications on OpenShift using microservice architecture. Design and document APIs using OpenAPI standards. Write and maintain unit, integration, and end-to-end tests using JUnit 5, Mockito, WireMock, and Testcontainers. Collaborate with cross-functional teams to … using Flyway. Utilize Hazelcast for distributed caching and data storage. Deploy and manage applications on OpenShift using microservice architecture. Design and document APIs using OpenAPI standards. Write and maintain unit, integration, and end-to-end tests using JUnit 5, Mockito, WireMock, and Testcontainers. Collaborate with cross-functional teams to More ❯
Posted:

Lead Software Engineer

London, England, United Kingdom
Hybrid / WFH Options
Made Tech Limited
Are you a Software Engineer that wants to actually see the real-world impact from what you help to create? Our mission is simple! We believe we can use tech to make public services better. We also believe this can More ❯
Posted:

Lead Software Engineer

London, England, United Kingdom
Made Tech Limited
Our aim at Made Tech is to use human-centred technology to improve our society. We believe putting people at the heart of designing, building and delivering public services leads to better outcomes for everyone. Are you a Software Engineer More ❯
Posted:

Lead Software Engineer

United Kingdom
Made Tech Limited
Our aim at Made Tech is to use human-centred technology to improve our society. We believe putting people at the heart of designing, building and delivering public services leads to better outcomes for everyone. Are you a Software Engineer More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Technical Writer / Developer Advocate

London, United Kingdom
OnTarget Communications
audiences, developer advocacy, or similar. Proficiency in coding and ability to show code samples. Experience working in a SaaS environment. Familiarity with Swagger/OpenAPI Experience creating video tutorials and other non-traditional learning materials. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Head of Precision AI / Solutions

London, England, United Kingdom
Aspire Technology
Hands-on experience with advanced inference optimisation techniques, such as KVCache, MoE, adaptive batching, or gradient checkpointing. Knowledge of API development and integration using OpenAPI specifications. Proven ability to author technical blogs, papers, or speak at industry conferences. Seniority level Not Applicable Employment type Full-time Job function Information More ❯
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Staff AI Engineer

United Kingdom
Nscale
batching, or gradient checkpointing. Strong understanding of low-level operating systems concepts, including multi-threading, memory management, and performance tuning. Experience developing APIs using OpenAPI 3.0+ specifications. Knowledge of efficient training and inference evaluation strategies, with demonstrated success in improving model efficiency. In all we do, our core values More ❯
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Senior Ruby Engineer

United Kingdom
Hybrid / WFH Options
Tembo
for improving system reliability, auditing, and financial reconciliation accuracy. Open Standards: Support our commitment to observability and open standards. Contribute to initiatives around OpenTelemetry, OpenAPI, and other tools that improve transparency and traceability across services. About you At least 5 years of professional experience in software development, with a More ❯
Posted:

Senior Ruby Engineer

Nottingham, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
for improving system reliability, auditing, and financial reconciliation accuracy. Open Standards: Support our commitment to observability and open standards. Contribute to initiatives around OpenTelemetry, OpenAPI, and other tools that improve transparency and traceability across services. About you At least 5 years of professional experience in software development, with a More ❯
Posted:

Senior Ruby Engineer

Woking, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
for improving system reliability, auditing, and financial reconciliation accuracy. Open Standards: Support our commitment to observability and open standards. Contribute to initiatives around OpenTelemetry, OpenAPI, and other tools that improve transparency and traceability across services. About you At least 5 years of professional experience in software development, with a More ❯
Posted:

Senior Ruby Engineer

Hounslow, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
for improving system reliability, auditing, and financial reconciliation accuracy. Open Standards: Support our commitment to observability and open standards. Contribute to initiatives around OpenTelemetry, OpenAPI, and other tools that improve transparency and traceability across services. About you At least 5 years of professional experience in software development, with a More ❯
Posted:

Senior Ruby Engineer

Doncaster, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
for improving system reliability, auditing, and financial reconciliation accuracy. Open Standards: Support our commitment to observability and open standards. Contribute to initiatives around OpenTelemetry, OpenAPI, and other tools that improve transparency and traceability across services. About you At least 5 years of professional experience in software development, with a More ❯
Posted:

Senior Ruby Engineer

High Wycombe, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
for improving system reliability, auditing, and financial reconciliation accuracy. Open Standards: Support our commitment to observability and open standards. Contribute to initiatives around OpenTelemetry, OpenAPI, and other tools that improve transparency and traceability across services. About you At least 5 years of professional experience in software development, with a More ❯
Posted:

Senior Ruby Engineer

Wolverhampton, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
for improving system reliability, auditing, and financial reconciliation accuracy. Open Standards: Support our commitment to observability and open standards. Contribute to initiatives around OpenTelemetry, OpenAPI, and other tools that improve transparency and traceability across services. About you At least 5 years of professional experience in software development, with a More ❯
Posted:

Senior Ruby Engineer

Dartford, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
for improving system reliability, auditing, and financial reconciliation accuracy. Open Standards: Support our commitment to observability and open standards. Contribute to initiatives around OpenTelemetry, OpenAPI, and other tools that improve transparency and traceability across services. About you At least 5 years of professional experience in software development, with a More ❯
Posted:

Senior Ruby Engineer

London, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
for improving system reliability, auditing, and financial reconciliation accuracy. Open Standards: Support our commitment to observability and open standards. Contribute to initiatives around OpenTelemetry, OpenAPI, and other tools that improve transparency and traceability across services. About you At least 5 years of professional experience in software development, with a More ❯
Posted:

Senior Ruby Engineer

Bradford, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
for improving system reliability, auditing, and financial reconciliation accuracy. Open Standards: Support our commitment to observability and open standards. Contribute to initiatives around OpenTelemetry, OpenAPI, and other tools that improve transparency and traceability across services. About you At least 5 years of professional experience in software development, with a More ❯
Posted:

Senior Ruby Engineer

Cheltenham, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
for improving system reliability, auditing, and financial reconciliation accuracy. Open Standards: Support our commitment to observability and open standards. Contribute to initiatives around OpenTelemetry, OpenAPI, and other tools that improve transparency and traceability across services. About you At least 5 years of professional experience in software development, with a More ❯
Posted:

Senior Ruby Engineer

Stevenage, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
for improving system reliability, auditing, and financial reconciliation accuracy. Open Standards: Support our commitment to observability and open standards. Contribute to initiatives around OpenTelemetry, OpenAPI, and other tools that improve transparency and traceability across services. About you At least 5 years of professional experience in software development, with a More ❯
Posted:
OpenAPI
25th Percentile
£50,000
Median
£55,000
75th Percentile
£60,000
90th Percentile
£81,250