Lead Java Developer with React & Spring Boot Microservices

Submission format in below table along with resume

Recruiter

Date

Vendor

RH ID

Skill

Candidate Name

Phone

Email ID

EXP

Rate

Current Location

Offered Location

Visas Status

FTE/FTC

Title: Lead Java Developer with React & Spring Boot Microservices

Location: San Leandro, CA (5 Days onsite)

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