11 of 11 Permanent OpenAPI Jobs in the UK excluding London

Java Full stack Developer

Hiring Organisation
KBC Technologies UK LTD
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Spring Boot Hands-on experience with Kafka and asynchronous messaging Experience with API Gateway solutions (Apigee preferred) Strong knowledge of REST APIs, JSON, OpenAPI/Swagger Experience with SQL/NoSQL databases (Oracle, PostgreSQL, MongoDB) Frontend experience with Angular or React Understanding of payment systems and financial services architecture ...

Senior Software Developer C# / Azure

Hiring Organisation
Greenfield I T Recruitment
Location
Liverpool, Merseyside, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
modern frontend integration Strong database design and optimisation skills (T-SQL and analytical data stores) Experience with API security and documentation (e.g. OAuth, OpenAPI/Swagger) Comfortable working in Agile teams and collaborative engineering environments Desirable Experience Terraform, Docker, and exposure to containerised environments Event-driven architectures, messaging ...

Senior Technical Lead

Hiring Organisation
Brightwork Ltd
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Permanent
Azure App Service, Container Services, and CI/CD pipelines Solid understanding of REST APIs, JSON, and microservice architecture Familiarity with Docker, Swagger/OpenAPI, and modern development practices Excellent communication and stakeholder management skills You'll join an environment that values autonomy, innovation and technical excellence, with ...

Software Engineer

Hiring Organisation
MRJ Recruitment
Location
Northern Ireland, United Kingdom
secure authentication using OAuth, JWT and modern security patterns Exposing product capabilities for AI services and third-party integrations Producing clear API documentation using OpenAPI/Swagger Improving reliability with logging, monitoring and strong error handling Supporting CI/CD pipelines for automated testing and deployment Working closely with ...

Lead Solution Architect

Hiring Organisation
Anson Mccade
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Permanent, Work From Home
strategies across on-prem and cloud to optimise performance, resilience, cost, and security. API & Integration Architecture Lead the design of secure, scalable RESTful APIs (OpenAPI/Swagger). Define standards for API gateways, authentication (OAuth2, mTLS), traffic management, rate limiting, and observability. Design integration patterns connecting internal systems with ...

Fixed Incomes Data Engineer

Hiring Organisation
Bright Purple Resourcing
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
Applying your industry know-how within financial data to ensure continual product development Tech youll work with: Functional programming i.e. Ruby, Python, Elixir PostgreSQL OpenAPI integrations Various data streaming and processing tools Whats in it for you: Fully remote working Flexible hours Trust and ownership Chance to build ...

Senior Azure API Engineer

Hiring Organisation
Vermillion Analytics
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£550 - £750 per day
operationalise a lean, zero-trust API platform on Azure API Management Architect microservices and event-driven integration flows at scale Define API specifications using OpenAPI and implement modern integration patterns Drive CI/CD automation, monitoring, and operational excellence Mentor developers and champion best practices across the engineering team … that delight users What You Bring Essential: 10+ years software development, including 3+ years hands-on Azure Deep expertise in Azure API Management Strong OpenAPI, RESTful API design, and security protocols (OAuth 2.0, JWT, TLS) Proficiency in Node.js/Java/C# and modern integration patterns Experience with ...

Java Developer

Hiring Organisation
Experis
Location
Knutsford, Cheshire, United Kingdom
Employment Type
Permanent
Salary
£44000 - £45000/annum
maintain RESTful APIs using Java Apply TDD and BDD practices to ensure high-quality, well-tested code Produce and maintain API specifications using OpenAPI (OAS)/YAML Collaborate with cross-functional Agile teams including QA, DevOps, and Product Contribute to CI/CD pipelines using GitLab Ensure code quality … with TDD (and ideally BDD ) - please highlight this clearly on your CV if applicable Proven experience designing and building RESTful APIs Experience working with OpenAPI Specification (OAS)/YAML Solid version control experience using GitLab Hands-on exposure to CI/CD pipelines Nice-to-Have/Desirable Skills ...

Staff Full Stack Engineer

Hiring Organisation
Addition
Location
Milton Keynes, England, United Kingdom
Technology is at the heart of this fast-growing digital bank — powering the systems that make business banking simpler, faster and smarter. This role is about setting the technical direction across payments, shaping scalable systems ...

Quality Assurance Engineer

Hiring Organisation
MANNING SERVICES LIMITED
Location
Northampton, England, United Kingdom
decisioning components, and integration workflows. Conduct JSON schema validation , payload structure checks, and API contract verification. Review and validate API documentation using Swagger/OpenAPI specifications. Develop Python scripts for simulation, automation, and data validation. Prepare and maintain test plans, test cases, and use cases. Validate decision strategy outputs … Agile ceremonies and support performance/monitoring activities where required. Core Skills Testing: Manual, REST API, Automation Technologies: JSON, JSON Schema, Swagger/OpenAPI Tools: Python, Karate, Excel, LoadRunner, Insomnia/Bruno CI/CD: GitLab, Jenkins Monitoring: Kibana, AppDynamics Concepts: SDLC, TDD, OAuth, Authentication/Authorization, Tokenization/ ...

Lead Solution Architect

Hiring Organisation
Tenth Revolution Group
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £100,000 per annum
involved in: Designing and delivering scalable, secure solution architectures aligned to enterprise standards* Leading API strategy and design, including RESTful services, OpenAPI standards, and integration patterns* Defining workload placement strategies across cloud and on-prem environments* Advising senior stakeholders and influencing technology strategy at VP level* Leading multi-year … ideally bring: Proven experience as a Lead or Senior Solution Architect within banking or financial services* Strong background designing and securing RESTful APIs (OpenAPI/Swagger)* Ability to navigate legacy systems alongside modern cloud-native architectures* Strong stakeholder management skills, with the ability to translate complex technical decisions into ...