React / Full Stack Developer (Java + React)

Capgemini • New York, NY

1d • $75,000 - $90,000 • Onsite

About The Position

We are seeking a highly skilled Full Stack Developer with expertise in Java (Spring Boot) and React.js to build scalable, high-performance applications. The ideal candidate will work across backend and frontend technologies to deliver end-to-end solutions, ensuring performance, security, and excellent user experience.

Requirements

• Strong proficiency in: Java 8+/11+, Spring Boot, Spring MVC
• Strong proficiency in: React.js, JavaScript (ES6+), HTML5, CSS3
• Hands-on experience with: REST API development
• Hands-on experience with: Microservices architecture
• Hands-on experience with: React concepts including Hooks and Redux

Nice To Haves

• MySQL
• PostgreSQL
• MongoDB

Responsibilities

• Design, develop, and maintain scalable backend services using Java (8+/11+) and Spring Boot.
• Build and maintain RESTful APIs and microservices.
• Implement business logic, data processing, and system integrations.
• Ensure application security, performance, and scalability.
• Develop dynamic and responsive user interfaces using React.js.
• Build reusable components and front-end libraries.
• Integrate frontend components with backend APIs.
• Optimize applications for performance and cross-browser compatibility.
• Work across the technology stack to deliver end-to-end solutions.
• Collaborate closely with UX/UI designers for pixel-perfect implementations.
• Manage application state effectively using Redux or Context API.
• Build and consume RESTful services.
• Work with JSON, HTTP protocols, and API integration.
• Integrate systems with third-party services and enterprise platforms.
• Design, develop, and manage relational and NoSQL databases.
• Write efficient queries and optimize database performance.
• Participate in CI/CD pipeline setup and maintenance.
• Deploy applications on cloud platforms (AWS, Azure, or GCP).
• Work with containerization tools like Docker and Kubernetes.

Benefits

• Paid time off based on employee grade (A-F), defined by policy: Vacation: 12-25 days, depending on grade, Company paid holidays, Personal Days, Sick Leave
• Medical, dental, and vision coverage (or provincial healthcare coordination in Canada)
• Retirement savings plans (e.g., 401(k) in the U.S., RRSP in Canada)
• Life and disability insurance
• Employee assistance programs
• Other benefits as provided by local policy and eligibility

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed