Senior Full Stack Engineer
Staffxpert LLC
Location: Dublin CA (Hybrid Onsite Tuesday through Thursday)
Job Summary
STAFFXPERT LLC is seeking a Senior Full Stack Engineer on behalf of our client in Dublin CA. This role is part of a strategic modernization initiative to transform a legacy Oracle-based platform into a modern scalable architecture using Angular and Spring Boot. The ideal candidate is a hands-on senior engineer with strong full-stack expertise experience in legacy system modernization and a passion for leveraging modern development tools including AI-assisted coding solutions.
- Rebuild legacy user interfaces into modern Angular applications using reverse-engineered artifacts
- Develop and enhance backend services using Java and Spring Boot
- Design build and consume RESTful APIs aligned with OpenAPI standards
- Work extensively with Oracle databases including complex queries and legacy schemas
- Collaborate cross-functionally with frontend and backend teams to deliver end-to-end solutions
- Leverage AI-assisted development tools to improve productivity and code quality
- Write and maintain unit integration and end-to-end tests
- Participate in code reviews and contribute to architectural and modernization strategies
- Strong experience with modern Angular frameworks
- Proficiency in Java and Spring Boot development
- Hands-on expertise with Oracle SQL and legacy data models (mandatory)
- Experience in application modernization or platform migration initiatives
- Solid understanding of REST API design and OpenAPI specifications
- Full-stack development experience across frontend and backend
- Ability to work independently in a senior engineering capacity
- Frontend: Angular Jest Playwright
- Backend: Java Spring Boot
- Database: Oracle
- APIs: REST OpenAPI
- Cloud: Azure
- AI Tools: Modern AI-assisted development tools
- Experience with Azure-based cloud-native applications
- Exposure to event-driven architectures (e.g. Kafka event streaming platforms)
- Familiarity with emerging AI concepts such as retrieval-augmented generation (RAG) or vector databases
- Experience with micro-frontend architecture
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$50 - $60 per hour
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