Middleware Engineer
Job Summary

We are seeking a Middleware Engineer to design, implement, secure, and support the service layer connecting the Angular front end, legacy/external systems, and Oracle data tier. The role re-platforms legacy business logic into maintainable services, owns API implementation and integration behavior, and supports automated testing and DevSecOps delivery.
Education

Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent professional experience.
Required Experience & Qualifications
• 5+ years developing service-oriented or middleware solutions using Java/Spring Boot, .NET, Oracle SOA/BPEL/composites, or comparable enterprise technologies.
• Strong REST API design/development skills including validation, error handling, versioning, security, and contract management.
• Experience with workflow orchestration, business-process automation, and re-platforming legacy business logic.
• Working knowledge of Oracle SQL/PLSQL sufficient to design efficient data interactions and collaborate with DBA staff.
• Experience implementing or validating authentication/authorization mechanisms such as SAML, OAuth 2.0, OIDC, or equivalent.
• Experience with unit/integration testing, CI/CD pipelines, static analysis, dependency scanning, and containerized delivery.
Key Responsibilities
• Design and implement lightweight, maintainable services and APIs supporting efficient interaction between UI, business processes, external systems, and Oracle data.
• Extract and re-platform appropriate legacy business logic into middleware/services while preserving functional behavior and auditability.
• Implement validation, workflow orchestration, authorization checks, error handling, transaction boundaries, logging, and observability in the service layer.
• Define and maintain API contracts, interface documentation, versioning, backward-compatibility expectations, and integration test support.
• Collaborate with the Technical Lead and DBA to place business logic appropriately and optimize database interactions.
• Implement automated unit and integration tests and support QA automation for APIs and end-to-end workflows.
• Integrate middleware components into CI/CD pipelines, addressing code quality, static analysis, security, dependency, and test failures.
• Troubleshoot production-like integration, performance, authentication, transaction, and data-consistency issues.
• Support migration, release, rollback, configuration, and environment-readiness activities for middleware components.
Core Technical Skills
• Java/Spring Boot and/or .NET and/or Oracle SOA/BPEL/composites.
• REST API architecture, JSON, integration patterns, workflow orchestration, and authentication/authorization.
• Oracle integration, SQL awareness, transaction design, error handling, logging/observability.
• Automated unit/integration testing, containers, Git, CI/CD, static analysis, and DevSecOps practices.