Hiring: Middleware Engineer Company: NuAxis Innovations Location: Washington, DC Job Posted Time: 2026-09-10 13:13:30 Employment Type: Full-time Target Skills & Keywords : .NET, Angular, CI/CD, Git, Integration Testing, Java, OAuth2, OIDC, REST, SAML, SOA, SQL, Spring Boot About the job Experience: •5+ years developing service-oriented or middleware solutions using Java/Spring Boot, .NET, Oracle SOA/BPEL/composites, or comparable enterprise technologies. Required Skills: •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. •Partner cross-functionally 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. Qualifications: •Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent professional experience. •Strong REST API design/development skills including validation, error handling, versioning, security, and contract management. •Solid functional working knowledge of Oracle SQL/PLSQL sufficient to design efficient data interactions and collaborate with DBA staff. Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!