8 of 8 Contract OpenAPI Jobs

Integration Architect

Hiring Organisation
Third Nexus Group Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£85000 - £120000/annum
/Pulsar), messaging patterns Backend: Java, Spring Boot, microservices, REST/gRPC Cloud: AWS (EKS/ECS, SQS/SNS, API Gateway, Terraform) API: OpenAPI/AsyncAPI, versioning, governance Frontend: React/TypeScript (working knowledge) Domain Expertise (any of these) Real-Time Ledger (accounting, event sourcing) Payments (SWIFT ...

MuleSoft Developer

Hiring Organisation
EUROPEAN SOFTWARE SOLUTIONS (UK) LIMITED
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£350 per day
integration-related incidents Required Skills & Experience Strong experience with MuleSoft Anypoint Platform (Mule 4) Proven hands-on expertise in: API design (RAML/OpenAPI) DataWeave transformations REST/SOAP integrations Experience integrating with: Salesforce (Sales/Service Cloud) Powercloud (utility billing systems) SAP (IS-U/legacy billing systems ...

Quality Engineer

Hiring Organisation
Hays Technology
Location
Telford, Shropshire, United Kingdom
Employment Type
Contract, Temporary
Salary
£450 - £500/day Up to £500 p/d Inside IR35
Gherkin Gatling performance testing OWASP ZAP security testing SonarQube GitHub Copilot WireMock Accessibility testing tools such as Axe or Wave Kubernetes and Docker AWS OpenAPI specifications If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or send ...

Quality Engineer

Hiring Organisation
Hays Technology
Location
Wellington, Shropshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 450 - 500 Daily
Gherkin Gatling performance testing OWASP ZAP security testing SonarQube GitHub Copilot WireMock Accessibility testing tools such as Axe or Wave Kubernetes and Docker AWS OpenAPI specifications If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or send ...

Solutions Architect - INSIDE IR35 - HYBRID

Hiring Organisation
Proactive Appointments
Location
Surrey, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £470 per day
request-response, publish-subscribe, event-driven architecture, batch processing, orchestration, choreography, and message queues. Experience with API design and management, including REST, SOAP, GraphQL, OpenAPI/Swagger, API gateways, versioning, throttling, and lifecycle management. Knowledge of messaging and streaming platforms such as Kafka, RabbitMQ, ActiveMQ, IBM MQ, Azure Service ...

Java Engineer

Hiring Organisation
Experis
Location
Telford, Shropshire, United Kingdom
Employment Type
Contract
Developers and QEs to modernise the clients legacy services. Required Skills: Java Spring Boot Junit Optional Skills: JPA Kibana Maven Mockito AWS GitLab Helm OpenAPI SQL Shell Scripting If you receive suspicious outreach claiming to be from us, please contact us via the ManpowerGroup website. ...

COINS Technical Consultant

Hiring Organisation
Langham Recruitment
Location
United Kingdom
Employment Type
Contract
Contract Rate
£1000/day
Knowledge COINS Data Lineage Mapping COINS Tables & Schema Knowledge API Design Principles REST APIs HTTP Methods (GET, POST, PUT, PATCH, DELETE) JSON Payload Design OpenAPI/Swagger API Versioning Pagination & Filtering API Error Handling API Testing Desirable: Understanding of CVR (Cost Value Reconciliation) Construction ERP experience Experience working with ...

Full Stack Java Developer - Active SC, Active NPPV3, Java

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day up to £550pd (Inside IR35)
Full Stack Java Developer - Active SC, Active NPPV3, Java, React & TypeScript Up to £550 per day (Inside IR35) Remote 6 Months We are looking for an experienced Full Stack Java Developer to join a large ...