MERN Stack Developer

2 days ago

Udaipur, Rajasthan, India KayJay Global Solutions Pvt .Ltd Full time ₹ 1,80,000 - ₹ 4,50,000 per year

About the Role

We are hiring an experienced MERN Stack Developer who can independently build and scale full-stack applications from scratch. The ideal candidate must have strong skills in TypeScript, , , Redux, and REST APIs, along with a solid understanding of microservices architecture, mobile API integrations, and responsive design.

Experience with LLMs, RAG architecture, Kafka, Redis, webhooks, and database systems like PostgreSQL, MySQL, and MongoDB is essential. You'll be working on scalable systems, enterprise-grade platforms, and AI-integrated products.

Key Responsibilities

  • Develop and maintain full-stack web applications using (with TypeScript) and (Express/NestJS)
  • Build and document robust RESTful APIs and mobile-ready endpoints
  • Implement and consume webhooks for third-party integrations and internal event-based workflows
  • Ensure responsive design principles across devices and screen sizes
  • Integrate with mobile applications via secure and scalable APIs
  • Work with databases including PostgreSQL, MySQL, and MongoDB
  • Integrate Large Language Models (LLMs) and Retrieval-Augmented Generation (RAG) pipelines
  • Build and deploy microservices architecture using Kafka, Redis, Docker, etc.
  • Manage application state using Redux or Redux Toolkit
  • Write test cases using Mocha, Chai, Jest, or similar frameworks
  • Participate in system design, architecture discussions, and scalability planning
  • Follow Agile practices, perform code reviews, and contribute to CI/CD pipelines
  • Collaborate with cross-functional teams including UI/UX, DevOps, QA, and Product Management

Required Skills & Experience

  • Minimum 4 years of hands-on experience with the MERN stack
  • Strong proficiency in TypeScript, , , and Redux
  • Proven experience in building and consuming REST APIs and webhooks
  • Deep knowledge of responsive UI/UX development
  • Hands-on experience with mobile-first API design and integrations
  • Strong knowledge of PostgreSQL, MySQL, and MongoDB
  • Experience with Kafka, Redis, Docker, and microservices
  • Exposure to LLM, GPT, RAG, or similar AI models
  • Solid understanding of software architecture and ability to build systems from the ground up
  • Working knowledge of API security, JWT, OAuth, and rate-limiting
  • Familiar with test-driven development and QA practices
  • Familiarity with Git, version control, and collaborative workflows

Good to Have

  • Experience with GraphQL and gRPC
  • Experience in building SaaS or AI-integrated platforms
  • Familiarity with ElasticSearch or RabbitMQ
  • Experience with AWS, GCP, or Azure
  • Understanding of serverless and event-driven architectures

Benefits

  • Competitive compensation with performance-based hikes
  • Flexible remote or hybrid work options
  • Opportunity to work on cutting-edge technologies including AI and scalable SaaS platforms
  • Strong leadership and learning-driven environment
  • Learning budget for courses, certifications, and conferences

Apply Now on

Job Type: Full-time

Pay: From ₹15,000.00 per month

Benefits:

  • Provident Fund

Work Location: In person

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