Immediate Interview Full Stack Java Developer (React + Spring Boot Microservices) | Contract | San Leandro, CA
Role: Immediate Interview Full Stack Java Developer
Location: San Leandro, CA
Job Type: Contract
Experience Level: Mid–Senior Level
Job Overview
Full Stack Java Developer San Leandro CA We are looking for a highly skilled Full Stack Java Developer with strong expertise in React.js on the frontend and Spring Boot Microservices on the backend. The ideal candidate will play a key role in designing, developing, and maintaining scalable, high-performance web applications and enterprise-grade platforms.
This role is best suited for someone who thrives in high-availability, scalable environments and has hands-on experience building modern applications using microservices architecture and RESTful APIs. Full Stack Java Developer San Leandro CA
Key Responsibilities
Frontend Development (React – Strong Focus)d
- Full Stack Java Developer San Leandro CA Design and develop modern, responsive Single Page Applications (SPAs) using React (Hooks, Context API, Redux)
- Build reusable, scalable, and modular UI components using JavaScript / TypeScript, HTML5, CSS3
- Integrate frontend applications with backend services via RESTful APIs (JSON)
- Optimize UI performance using techniques like lazy loading, code splitting, memoization, and efficient state management
- Collaborate closely with UX/UI designers to translate wireframes into engaging user experiences
- Ensure cross-browser compatibility and mobile responsiveness Java Developer & Spring boot Interview Q&A
Backend Development (Java + Spring Boot Microservices)
- Design and develop scalable Spring Boot microservices aligned with microservices architecture best practices
- Implement robust business logic using Java (8/11/17+), Spring MVC, Spring Data JPA, Hibernate
- Build and secure REST APIs using OAuth2, JWT authentication, and role-based access control (RBAC)
- Ensure application scalability, fault tolerance, and high availability using resilient design patterns
- Work with both relational and NoSQL databases including PostgreSQL, Oracle, MySQL, and MongoDB
- Participate in API design, documentation, and performance tuning
Required Skills & Qualifications
- Full Stack Java Developer San Leandro CA Strong hands-on experience with React.js (v16+ / v18 preferred)
- Solid backend development experience using Java and Spring Boot microservices
- Expertise in REST API design, development, and integration
- Strong knowledge of SQL and ORM frameworks (JPA/Hibernate)
- Experience with Git, Maven/Gradle, and CI/CD pipelines
- Understanding of microservices architecture and distributed systems
- Excellent problem-solving, analytical, and communication skills
Preferred / Nice to Have Skills
- Experience with cloud platforms like AWS, Azure, or GCP
- Familiarity with Docker, Kubernetes, or containerized deployments
- Exposure to Agile/Scrum development methodologies
- Knowledge of performance monitoring and logging tools Full Stack Java Developer San Leandro CA
📩 How to Apply
Contact: Balaji S
Company: Realtek Consulting
📧 Email: bala@realtekconsulting.net
