What's involved:· Design, build and support Java/Spring Boot microservices for secure, cloud-native platforms· Build and maintain RESTful APIs and enterprise integrations· Integrate with enterprise MFT/B2B platforms (IBM Sterling File Gateway, Sterling B2B Integrator)· Work across Oracle/PostgreSQL – data modelling and query design· Manage secure file exchange via SFTP, FTPS, AS2, HTTPS, certificates and encryption· Apply secure coding standards (OWASP, CWE, SEI CERT)· Drive TDD/BDD automated testing practices· Work within CI/CD pipelines (Jenkins), Docker, Kubernetes, AWS/Azure· Troubleshoot across application, database, integration and platform layers

• What you need:Strong hands-on Java/Spring/Spring Boot backend experience (top screening criteria)
• Solid RESTful API design and enterprise integration experience
• Experience with Oracle or PostgreSQL in a production environment
• Exposure to secure file transfer protocols and MFT/B2B platforms
• Familiarity with secure coding standards and TDD/BDD practices
• Comfortable with Docker, Kubernetes and CI/CD (Jenkins)
• Nice to have: Sterling Secure Proxy, high-availability service design, partner onboarding/file routing experience

• What's on offer:Competitive Day rate
• Hybrid working – 3 days in office
• 12-month initial contract with strong potential to go perman