Senior Full Stack Engineer

Senior Full Stack Engineer 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. Key Responsibilities 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 Required Skills & Experience 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

Tools & Technologies Frontend:

Angular, Jest, Playwright Backend:

Java, Spring Boot Database:

Oracle APIs:

REST, OpenAPI Cloud:

Azure AI Tools:

Modern AI-assisted development tools Preferred Qualifications 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