Lead Java FSD With React

Job Title:

Title: Java FSD Developer with React

Location: San Leandro, CA

In-person Interview Must

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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