11 of 11 Permanent OpenAPI Jobs

Senior Frontend Developer

Hiring Organisation
Montash
Location
United Kingdom
pipelines such as Jenkins Experience working with test-driven development and modern testing frameworks Desirable Skills: API specification standards such as Swagger/OpenAPI Gradle build tooling Database migration tooling such as Liquibase Event streaming technologies such as Kafka Java or Spring Boot experience ...

Java Software Engineer

Hiring Organisation
Montash
Location
United Kingdom
/CD pipelines (Jenkins or similar) Experience working with microservice architecture in an agile environment Desirable Skills: API specification tools such as Swagger/OpenAPI Gradle build tooling Database migration tooling such as Liquibase Experience with Kafka Frontend exposure with React or Typescript ...

Software Engineer

Hiring Organisation
Raytheon
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Work From Home
within your team Required Skills and Experience Full-stack experience across a selection of JavaScript frameworks (React, NextJS), TypeScript, Python, Java REST API development & OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL) Elasticsearch/Opensearch ...

Principal Software Engineer

Hiring Organisation
Raytheon
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
within your team Required Skills and Experience Full-stack experience across a selection of JavaScript frameworks (React, NextJS), TypeScript, Python, Java REST API development & OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL) Elasticsearch/Opensearch ...

Lead Engineer - Java

Hiring Organisation
The Recruitment Company
Location
Galway, Galway County, Republic of Ireland
Employment Type
Permanent
Salary
£80000 - £95000/annum
/TypeScript, Node.js, HTML, CSS/SASS, and related front-end tooling (RxJS, Jest, Storybook, Playwright). Experience with API design and management (Swagger, OpenAPI) and integration technologies (e.g., Apache Camel). Solid understanding of object-oriented design, design patterns, secure coding practices, and test automation. Experience with ...

C# Senior Software Developer

Hiring Organisation
Adria Solutions
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£75,000
Framework Core (DbContext, LINQ, Migrations) Debug and trace request flows from UI Controller API Database Response Maintain and publish API documentation via Swagger/OpenAPI Ensure API security, reliability, and performance (error handling, retry logic, logging, timeouts, CORS) Collaborate with database, infrastructure, and QA teams for portal ...

Lead Software Developer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Warrington, Cheshire, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
Figma prototypes Maintaining high-quality technical documentation Tech Stack & Experience Core technologies: .NET 10/ASP.NET Core Entity Framework Core RESTful API design/OpenAPI/Swagger Angular 21 (mandatory) TypeScript/RxJS DevExpress DevExtreme v25 (mandatory) Microsoft Azure (App Services, SQL, Storage) Azure Entra ID Azure Key Vault ...

Software Engineer

Hiring Organisation
Diamond Light Source
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
Design tools (Figma, Sketch) Exposure to JavaScript testing frameworks e.g. Jest, Vitest, Cypress, Jasmine, etc. Knowledge of CI/CD techniques Experience with GraphQL, OpenAPi spec, JSON Schema & SQL/No SQL databases. Familiarity with MonoRepo project structures (TurboRepo) Development of APIs with Python Frameworks e.g. FastAPI Benefits Diamond ...

Data Analyst

Hiring Organisation
Tate Recruitment
Location
City of London, London, United Kingdom
REST, JSON . Experience with Azure and Microsoft data tools. Good SQL skills; some Python or R is a bonus. Familiarity with Swagger/OpenAPI or Postman . Understanding of data modelling, ETL concepts and system‐to‐system integrations. Comfortable working with both technical teams and business stakeholders. Clear ...

Integrations Lead

Hiring Organisation
Needl
Location
United Kingdom
manage multiple projects simultaneously and drive deliverables to completion Experience with basic SQL querying and JSON payload analysis Experience with APIs specs like OpenAPI, web development, and writing scripts to build internal tools (e.g., bash scripting, Python, SQL, Ruby, Golang, Postman ...

Technical Writer

Hiring Organisation
Prism Digital
Location
United Kingdom
APIs and API architecture Hands-on experience documenting endpoints, request/response schemas, authentication mechanisms, and error handling Ability to interpret code, Swagger/OpenAPI specs, or developer conversations without heavy hand-holding Experience structuring large documentation sets logically and independently Confidence operating autonomously in a fast-moving product … environment What You’ll Work With REST APIs and internal service architecture Endpoints, request/response models, authentication flows, and error handling frameworks OpenAPI/Swagger specifications Internal engineering teams across backend and platform Documentation repositories and knowledge management tools Release notes and developer-facing technical content Nice ...