Java Full Stack Developer-F2F Interview

Role: Java Full Stack Developer (React & Spring Boot Microservices)Location: San Leandro, CA (Onsite)Job Type: Long Term Contract Note: Only W2Interview Mode: Face to Face Job Description: We are seeking a highly skilled Full Stack Java Developer with a strong frontend focus on React and deep expertise in Spring Boot–based microservices. The ideal candidate will design, develop, and maintain scalable, high performance web applications and RESTful services for enterprise-grade platforms, particularly within regulated or high availability environments.Key ResponsibilitiesFrontend (React – Strong Focus)• Design and develop modern, responsive Single Page Applications (SPAs) using React (Hooks, Context API, Redux)• Build reusable, modular UI components using JavaScript/TypeScript, HTML5, CSS3• Integrate frontend applications with backend APIs using REST/JSON• Optimize UI performance using lazy loading, code splitting, and efficient state management• Collaborate with UX/UI designers to translate wireframes into high-quality user experiencesBackend (Java & Spring Boot Microservices)• Design and develop Spring Boot microservices following RESTful and microservices architecture principles• Implement business logic using Java (8/11/17+), Spring MVC, Spring Data JPA/Hibernate• Build secure APIs with OAuth2, JWT, and role-based access controls• Ensure high availability, scalability, and fault tolerance using resilient design patterns• Integrate with relational and NoSQL databases (PostgreSQL, Oracle, MySQL, MongoDB)DevOps & Engineering Practices• Write unit and integration tests using JUnit, Mockito, Jest, Enzyme• Participate in CI/CD pipelines using Maven, Jenkins, GitHub/GitLab, Azure DevOps• Containerize and deploy services using Docker and Kubernetes (preferred)• Work in Agile/Scrum teams, contributing to design reviews, code reviews, and sprint ceremoniesRequired Skills• Strong proficiency in React (v16+ / v18 preferred)• Solid backend development experience with Java and Spring Boot microservices• REST API design and integration expertise• Experience with SQL and ORM frameworks (JPA/Hibernate)• Hands-on experience with Git, build tools, and CI/CD pipelines• Strong problem-solving and communication skillsNice to Have• Experience with Kafka or event-driven architectures• Cloud experience on AWS, Azure, or GCP• Exposure to Micro-frontend architecture• Banking, Financial Services, or other regulated domain experienceThanks & Regards Himanshu Verma | Recruiter – US Staffing Email: Himanshu.v@ampstek.com | Desk: (609)-527-8914Ampstek LLC – Global IT Partner | www.ampstek.com