8 of 8 Contract OpenAPI Jobs

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 ...

Vue JS - API NHS Digital Integration Developer

Hiring Organisation
Salt Search
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£340 - £350 per day
distributed microservices. Proven experience designing and building RESTful APIs. Experience working with NHS Digital services , healthcare APIs, or standards such as FHIR, HL7, OpenAPI, or integration with NHS Spine (highly desirable). Hands-on experience with Docker , Kubernetes , and containerized deployments. Familiarity with CI/CD pipelines (Jenkins, GitLab ...

Cloud Solution Architect

Hiring Organisation
International Business Solutions Consulting Limited
Location
Central London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£500 per day
/CD tools (Azure DevOps, GitHub Actions, Harness, Jenkins, Spinnaker), Containers & orchestration (Kubernetes) and service mesh (eg, Istio), API design & security (REST/OpenAPI, mTLS, authN/Z), Scripting in Bash, PowerShell, or Python, Cloud Expertise (Depth in One, Ready to Cross-Train), Azure: ARM/Bicep, AKS, Application ...

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). ...