Java Full Stack Developer (React & Spring Boot Microservices)
Not Disclosed
Location: San Leandro, CA
Job Type: Contract
Salary: Competitive
Duration: 12 months
Experience: Java, React, Spring Boot, Microservices
Job Description & Details
"Full\u2011stack development is at the heart of modern digital products, and expertise in both Java back\u2011end and React front\u2011end is in high demand. Companies in the Bay Area are especially eager to hire engineers who can deliver microservice\u2011based solutions quickly. This Java Full Stack Developer role offers a 12\u2011month contract in San Leandro, giving you a chance to showcase your skills locally.\n\n# Job Summary\nWe are seeking a Java Full Stack Developer proficient in React and Spring Boot to design, build, and maintain microservice\u2011based applications. The role involves end\u2011to\u2011end development, from UI implementation to back\u2011end services, ensuring high performance and scalability for enterprise\u2011grade solutions.\n\n# Top 3 Critical Skills Table\n| Skill | Why it's critical | Mastery Level |\n|-------|-------------------|--------------|\n| Java | Core language for building robust back\u2011end services and APIs. | Senior |\n| React | Enables dynamic, responsive user interfaces that interact with microservices. | Mid |\n| Spring Boot (Microservices) | Provides rapid development of scalable, container\u2011ready services. | Senior |\n\n# Interview Preparation\n1. **Explain the lifecycle of a Spring Boot microservice from development to deployment.**\n *What the interviewer is looking for:* Understanding of Spring Boot starters, embedded servers, configuration, Dockerization, and CI/CD pipelines.\n2. **How do you manage state and session handling in a React application communicating with stateless microservices?**\n *What the interviewer is looking for:* Knowledge of JWT, local storage, Redux or Context API, and best practices for stateless back\u2011ends.\n3. **Describe a strategy to optimize performance for a Java\u2011based REST API serving high traffic.**\n *What the interviewer is looking for:* Use of async processing, caching (e.g., Redis), connection pooling, and profiling tools.\n4. **What are the trade\u2011offs between monolithic and microservice architectures in a Java ecosystem?**\n *What the interviewer is looking for:* Ability to discuss scalability, deployment complexity, data consistency, and operational overhead.\n5. **Walk me through debugging a React component that fails to render data fetched from a Spring Boot service.**\n *What the interviewer is looking for:* Step\u2011by\u2011step troubleshooting using browser dev tools, network inspection, error boundaries, and server logs.\n\n# Resume Optimization\n- Java\n- React\n- Spring Boot\n- Microservices\n- Full Stack Development\n- San Leandro\n- CA\n- In\u2011person interview\n- Local candidate\n- 12 months\n\n# Application Strategy\nWhen contacting the recruiter, send a concise email greeting them, attach your updated resume, and clearly highlight your top skills. Make sure to mention related skills you possess, such as Java, React, and Spring Boot, and reference any projects where you built microservice\u2011based applications. Emphasize that you are a local candidate ready for an in\u2011person interview.\n\n# Career Roadmap\n| Current Role | Typical Experience | Core Focus | Next Position |\n|--------------|-------------------|------------|---------------|\n| Java Full Stack Developer | 2\u20134 years building end\u2011to\u2011end applications | Java, React, Spring Boot microservices | Senior Full Stack Engineer |\n| Senior Full Stack Engineer | 4\u20137 years leading feature delivery and architecture decisions | System design, performance optimization | Lead Engineer / Architect |\n| Lead Engineer / Architect | 7+ years overseeing multiple services and teams | Technical strategy, mentorship | Engineering Manager |\n"