Java Full Stack Developer (React & Spring Boot Microservices)

Title: Java Full Stack Developer (React & Spring Boot Microservices)Location: San Leandro, CAIn-person Interview MustWe 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, CSS3Integrate frontend applications with backend APIs using REST/JSONOptimize UI performance using lazy loading, code splitting, and efficient state managementCollaborate 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 principlesImplement business logic using Java (8/11/17+) , Spring MVC , Spring Data JPA/HibernateBuild secure APIs with OAuth2, JWT , and role-based access controlsEnsure high availability, scalability, and fault tolerance using resilient design patternsIntegrate with relational and NoSQL databases (PostgreSQL, Oracle, MySQL, MongoDB)DevOps & Engineering Practices Write unit and integration tests using JUnit, Mockito, Jest, EnzymeParticipate in CI/CD pipelines using Maven, Jenkins, GitHub/GitLab, Azure DevOpsContainerize 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 microservicesREST API design and integration expertiseExperience with SQL and ORM frameworks (JPA/Hibernate)Hands-on experience with Git , build tools, and CI/CD pipelinesStrong problem-solving and communication skillsNice to Have Experience with Kafka or event-driven architecturesCloud experience on AWS, Azure, or GCPExposure to Micro-frontend architectureBanking, Financial Services, or other regulated domain experienceDiverse Lynx LLC is an Equal Employment Opportunity employer. All qualified applicants will receive due consideration for employment without any discrimination. All applicants will be evaluated solely on the basis of their ability, competence and their proven capability to perform the functions outlined in the corresponding role. We promote and support a diverse workforce across all levels in the company.