Position: Java + React Lead Developer
Location: Concord, CA
Role Overview
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
Alchemy: Transforming Your Professional Vision into Reality
Since our inception in 2013, Alchemy has been dedicated to reshaping organizational performance through innovative IT services. With a vision to empower businesses seeking a transformative edge, we’ve positioned ourselves at the forefront of digitization and software modernization.
Our name reflects our mission: to transmute technology into gold-standard solutions for our esteemed clients. We proudly serve a diverse range of sectors, including IT and ITES, BFSI, Telecom and Media, Automotive, Manufacturing, Energy, Oil and Gas, Real Estate, Retail, Healthcare, and more.
With a global footprint spanning the USA, India, Europe, Canada, Singapore, Japan, and parts of Central and West Africa, we harness a unique blend of competencies, frameworks, and cutting-edge technologies. Together, we drive growth and innovation across industries, helping organizations turn their visions into reality.
Alchemy – Connecting Talent with Opportunities (Diversity, Equity and Inclusion)
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