Title: Java Full Stack Developer (React & Spring Boot Microservices)
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Location: San Leandro, CA
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In-person Interview Must
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Job Overview
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.
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Key Responsibilities
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Frontend (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 experiences
Backend (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)
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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 ceremonies
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Required 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 skills
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Nice to Have
Experience with Kafka or event-driven architectures
Cloud experience on AWS, Azure, or Google Cloud Platform
Exposure to Micro-frontend architecture
Banking, Financial Services, or other regulated domain experience
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