Back to search:Java Full / San Leandro, Ca

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 Responsibilities
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)
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
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
Nice 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 experience
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