6 of 6 Contract OpenAPI Jobs in the UK excluding London

Full Stack Software Developer

Hiring Organisation
Damia Group Ltd
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £550 per day
principles and Test-Driven Development (TDD) . Experience working with both relational databases (e.g., Postgres) and NoSQL Understanding of REST API design patterns and OpenAPI specifications . Hands-on experience with the AWS Cloud Platform . Knowledge of GitHub and CI/CD pipelines using GitHub Actions . Experience ...

Lead API Solution Architect

Hiring Organisation
Venn Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£650 - £1,000 per day
Working knowledge of payments, KYC, lending, trading, or regulatory reporting. Familiarity with Open Banking standards and financial API ecosystems. Strong understanding of REST, JSON, OpenAPI, and event-driven integration. Experience with API platforms such as Azure API Management or Apigee . Knowledge of secure messaging and integration tools (e.g. ...

Cloud Platform Engineering Lead / DevOps Lead

Hiring Organisation
KBC Technologies UK LTD
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Harness, Jenkins, Spinnaker). Expertise in containers & orchestration (Kubernetes) and service mesh technologies (e.g., Istio). Strong understanding of API design & security (REST/OpenAPI, mTLS, authN/Z). Scripting proficiency in Bash, PowerShell, or Python . Cloud Expertise (Depth in one cloud, with willingness to cross-train ...

Senior Platform Engineer

Hiring Organisation
Adroit People Ltd
Location
Halifax, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
Up to £470 per day
/CD systems. Deep knowledge of containers, orchestration ( Kubernetes ), and service-mesh patterns ( Istio ). Strong API design and security skills (REST/OpenAPI, authN/Z, mTLS, certificate lifecycle). Scripting proficiency in Bash or Python. Depth in GCP services , including: GKE (Google Kubernetes Engine) Cloud Load Balancing ...

Technical Architect

Hiring Organisation
RCRTR
Location
Swansea, City and County of Swansea, West Glamorgan, United Kingdom
Employment Type
Contract
Contract Rate
£470 - £500/day
synchronous/asynchronous). Lead the design of distributed microservices, ensuring scalability, resilience, observability, and maintainability. Apply schema-driven design principles (e.g., JSON Schema, OpenAPI, AsyncAPI) to ensure consistent and reusable domain models. Cloud & Platform Engineering (AWS) Select and integrate AWS services (EC2, Lambda, API Gateway, S3, DynamoDB … experience with APIs (REST, event-driven, messaging), microservices, and distributed system design. Strong understanding of schema-driven design , using tools such as JSON Schema, OpenAPI, or AsyncAPI. Solid understanding of cloud security, identity and access management, and operational best practices. Experience working with Infrastructure-as-Code (Terraform, CloudFormation). ...

Technical Architect

Hiring Organisation
RCRTR Limited
Location
Swansea, West Glamorgan, Wales, United Kingdom
Employment Type
Contractor
Contract Rate
£500 per day
synchronous/asynchronous). Lead the design of distributed microservices, ensuring scalability, resilience, observability, and maintainability. Apply schema-driven design principles (e.g., JSON Schema, OpenAPI, AsyncAPI) to ensure consistent and reusable domain models. Qualifications Strong experience as a Technical Architect, Solutions Architect, or Senior Engineer with architecture responsibilities. Proven … experience with APIs (REST, event-driven, messaging), microservices, and distributed system design. Strong understanding of schema-driven design, using tools such as JSON Schema, OpenAPI, or AsyncAPI. Solid understanding of cloud security, identity and access management, and operational best practices. Experience working with Infrastructure-as-Code (Terraform, CloudFormation). ...