Java Full Stack Developer (React & Spring Boot Microservices) || San Leandro, CA || Local Only - In-person Interview Must

Greeting!!

 

My name is Rahul, and I am a Sr. Recruiter at ApTask. ApTask is a global, diversity certified staffing and recruiting company. We have an excellent job opportunity with one of our clients.

 

Title:  Java Full Stack Developer (React & Spring Boot Microservices)

Location: San Leandro, CA

Client: Mphasis/Wells Fargo

 

Rate: $60/hr. on C2C - 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

 

 

Best Regards,

Rahul Sondhiya

 

ApTask | A global, diversity-certified workforce solutions provider.

Connect: | rahuls@aptask.com

Linkedin: linkedin.com/in/rahul-sondhiya-51837340

Address: 120 Wood Ave South, Suite # 300, Iselin, NJ 08830

 

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