PERN Stack Developer

5 days ago

Udaipur, Rajasthan, India KayJay Global Solutions Pvt .Ltd Full time ₹ 1,20,000 - ₹ 3,00,000 per year

About the Role:

We are hiring an experienced PERN Stack Developer who can independently build and scale full-stack applications from scratch. The ideal candidate must have strong skills in TypeScript, , PostgreSQL, and , along with a solid understanding of microservices architecture, RESTful APIs, and responsive UI/UX design.

Experience with LLMs, RAG architecture, Kafka, Redis, webhooks, and cloud-native deployments is essential. You'll be working on highly scalable systems, enterprise-grade platforms, and AI-integrated products.

Key Responsibilities:

● Design, develop, and maintain full-stack web applications using (with TypeScript) and (Express/NestJS)

● Build and document robust RESTful APIs and endpoints for web and mobile clients

● Develop and consume webhooks for third-party integrations and internal workflows

● Ensure mobile-first, responsive design principles across various devices and screen sizes

● Architect and optimize relational data models using PostgreSQL

● Integrate Large Language Models (LLMs) and Retrieval-Augmented Generation (RAG) pipelines

● Work with Redis, Kafka, and Docker to build performant microservices and data pipelines

● Manage application state using Redux or Redux Toolkit

● Write and maintain unit/integration tests using Mocha, Chai, Jest, or similar frameworks

● Participate in system architecture, scalability planning, and performance optimization

● Adhere to Agile methodologies, participate in code reviews, and contribute to CI/CD pipelines

● Collaborate with UI/UX Designers, DevOps, QA Engineers, and Product Managers to deliver high-quality solutions

Required Skills and Experience:

● Minimum 3 years of hands-on experience with the PERN stack

● Strong proficiency in TypeScript, , (Express/NestJS), and Redux

● Deep experience in building and consuming RESTful APIs and working with webhooks

● Strong understanding of responsive UI/UX and mobile-first development

● Expertise in PostgreSQL and experience with data modeling, query optimization, and database migrations

● Experience with Kafka, Redis, Docker, and building microservices architectures

● Exposure to LLMs (GPT/Claude/etc.) and RAG pipelines

● Familiarity with authentication, authorization, JWT, OAuth2, and API rate-limiting

● Experience with test-driven development (TDD) and quality assurance practices

● Proficient in Git, version control workflows, and collaborative development practices.

Good to Have:

● Experience with GraphQL and gRPC

● Background in building SaaS platforms or AI-integrated systems

● Familiarity with ElasticSearch, RabbitMQ, or other messaging systems

● Experience deploying and scaling apps on AWS, GCP, or Azure

Job Type: Full-time

Pay: ₹10, ₹25,000.00 per month

Application Question(s):

  • Are you willing to relocate to Udaipur?
  • What is your current CTC and expected CTC?
  • What's your notice Period?

Work Location: In person

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