Full-Stack Developer (NestJS + ReactJS, Microservices) | 5Y+

Overview

Job Title: Full-Stack Developer (NestJS + ReactJS, Microservices) 

Experience : 5+ Years 

Location: : On-site

Employment Type: Full-time 

 About the Role 

We are seeking a talented Full-Stack Developer with expertise in NestJS and ReactJS, and hands-on experience in building scalable, microservices-based web applications. The ideal candidate should be proficient in both backend and frontend development, and capable of delivering high-performance, cloud-native applications in collaboration with cross-functional teams. 

Key Responsibilities 

Backend (NestJS & Microservices) 

• Design, develop, and maintain microservices using NestJS, Node.js, and TypeScript. (Must have)
• Build and integrate RESTful APIs and gRPC-based services. (Must Have)
• Optimize and manage PostgreSQL / MongoDB databases. (Must Have)
• Implement event-driven architecture using Kafka / RabbitMQ / Redis Streams. 
• Handle authentication and authorization using JWT, OAuth2, or RBAC. (Must have)
• Containerize and deploy services using Docker and Kubernetes / Rancher. 
• Securely integrate with third-party APIs and internal services. 
• Write modular, testable code following SOLID principles. 
• Document APIs using Swagger / OpenAPI. 
• Conduct code reviews and optimize backend performance. 

Frontend (ReactJS) 

• Develop responsive UIs using ReactJS, Next.js, or Vite. (Must Have)
• Integrate frontend with NestJS APIs, GraphQL, or REST endpoints. (Must have)
• Implement global state management using Redux Toolkit / Zustand / Context API. (Must have)
• Optimize performance, SEO, and UX for production-ready apps. 
• Build reusable UI components with component-driven design. 
• Collaborate with designers to translate wireframes into pixel-perfect interfaces. 
• Ensure secure data flows, input validation, and error handling. 

Technical Skills Required 

• Strong proficiency in JavaScript and TypeScript. (Must have)
• Expertise in NestJS and ReactJS. (Must have)
• Deep understanding of Microservices architecture and API gateway patterns. (Must have)
• Experience with Kafka / RabbitMQ / Redis PubSub. 
• Proficiency in PostgreSQL / MongoDB / MySQL and TypeORM / Prisma. (Must Have)
• Hands-on with Docker, Kubernetes, and CI/CD pipelines (GitHub Actions / Jenkins / GitLab CI). 
• Knowledge of API security, data encryption (AES, RSA), and CORS policies. (Must Have)
• Experience with unit testing (Jest / Mocha / Supertest) and frontend testing (React Testing Library / Cypress). 
• Familiarity with logging and monitoring tools (Winston, Loki, Prometheus, Grafana). 
• Version control using Git and collaborative workflows (GitFlow). 

Nice to Have 

• Experience with AWS / GCP / Azure. 
• Exposure to CQRS, event sourcing, or Domain-Driven Design (DDD). 
• Familiarity with NestJS modules (ConfigModule, ScheduleModule, BullMQ). 
• Knowledge of GraphQL, WebSockets, and Server-Sent Events (SSE). 
• Experience with frontend performance tuning, lazy loading, and code splitting. 
• Understanding of API versioning, rate limiting, and circuit breakers. 

Soft Skills 

• Strong analytical and problem-solving mindset. 
• Excellent communication and collaboration abilities. 
• Passion for clean, maintainable, and scalable code. 
• Ability to thrive in an Agile / Scrum environment. 
• Ownership mindset with a proactive approach. 

Qualification Criteria 

• Continuous Career Track: No career gaps in the last 3 years. 
• Relevant Experience: Minimum 5 years of hands-on experience as a Full-Stack Developer, specifically working with NestJS and ReactJS in microservices-based environments. 
• Work Location Requirement: Candidate must be willing to work from office in Bengaluru. Remote or hybrid options are not applicable for this role. 
• Bachelor’s or master's degree in computer science, Engineering, or a related field.