Freecharge - Java Full Stack Developer - React.js/Spring Boot

Job Title : Lead Full Stack Developer

Experience : 47 Years

Location : Gurgaon (Hybrid)

Key Responsibilities

• Lead the design and development of full stack applications using React.js, Next.js, and Spring Boot.
• Build and maintain scalable, high-performance services using Java, MongoDB, and Kafka.
• Drive front-end architecture and design with React, Next.js, HTML5, CSS3, and modern JavaScript (ES6+).
• Implement RESTful APIs and integrate with third-party services and AWS cloud components.
• Apply Reactive Programming principles to improve system responsiveness (bonus).
• Take ownership of technical designs, code quality, and mentoring developers on best practices.
• Collaborate with DevOps teams to ensure reliable CI/CD pipelines and cloud deployments (AWS).
• Conduct code reviews, optimize performance, and ensure adherence to security and scalability standards.
  

Required Skills

Frontend :

• React.js & Next.js (Expert)
• JavaScript (ES6+), HTML5, CSS3 (Strong fundamentals)
• Webpack, Babel, and modern front-end tooling
  

Backend

• Java (8+), Spring Boot (Hands-on experience)
• MongoDB or similar NoSQL databases
• Kafka (event-driven architecture experience)
• RESTful APIs, Microservices architecture
  

Others

• AWS services (EC2, S3, Lambda, etc.)
• Git, CI/CD tools (e.g., Jenkins, GitHub Actions)
• Unit Testing and Integration Testing (Jest, JUnit, etc.)
• Understanding of Reactive Programming (Project Reactor/WebFlux) Good to have