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Lead Java Fullstack developer with React JS

Technology
Vy Systems
San Leandro, United States2 weeks agoUntil 6/4/2026
Contract

Job description

Job Description:

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 Google Cloud Platform
  • Exposure to Micro-frontend architecture
  • Banking, Financial Services, or other regulated domain experience
Keywords
ReactOSHTML5GitLabApache KafkaReduxSpring FrameworkBusiness logicJSONMongodbScalabilityV8MAVENTypescriptOracle DatabaseMockitoJavaScriptDevOpsFault toleranceCss 3Mysql

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