Overview
About the Role:
We are hiring a skilled Full Stack Developer with a proven ability to independently design, build, and scale full-stack web applications. The ideal candidate will be an expert in TypeScript, React.js, Node.js (Express/NestJS), and PostgreSQL, with strong experience in building REST APIs, working with microservices, and developing responsive, scalable platforms.
You’ll contribute to enterprise-grade systems and innovative AI-integrated products, collaborating with a dynamic team of engineers, product managers, and designers.
Key Responsibilities:
- Develop and maintain full-stack applications using React.js (with TypeScript) and Node.js (Express or NestJS)
- Design, develop, and document secure and scalable RESTful APIs
- Build mobile-ready endpoints and support integrations with native/mobile applications
- Ensure responsive and adaptive UI/UX across all device types
- Integrate and work with PostgreSQL as the primary relational database
- Implement event-driven architectures using Kafka, Redis, and webhooks.
- Develop and manage services in a microservices architecture with tools like Docker, Kafka, and Redis
- Handle application state using Redux or Redux Toolkit
- Write unit and integration tests using frameworks like Jest, Mocha, or Chai
- Participate in system design, architectural planning, and performance tuning
- Follow Agile methodologies, perform code reviews, and contribute to CI/CD pipelines
- Collaborate closely with cross-functional teams including UI/UX, QA, DevOps, and Product teamsRequired Skills & Experience:
- 3+ years of hands-on experience in full-stack development with the PERN stack
- Strong proficiency in TypeScript, React.js, Node.js, and Express.js/NestJS
- Expertise in PostgreSQL; working knowledge of MySQL and MongoDB is a plus
- Solid experience designing and consuming REST APIs and webhooks
- Deep understanding of responsive UI/UX principles
- Experience with mobile-first API design and integration
- Hands-on experience with Kafka, Redis, Docker, and microservices
- Familiarity with API security best practices (e.g., JWT, OAuth, rate limiting)
- Experience with test-driven development (TDD) and quality assurance practices
- Proficiency in Git and collaborative version control workflows
Good to Have:
- Experience with GraphQL or gRPC
- Background in developing SaaS or AI-integrated platforms
- Familiarity with ElasticSearch or RabbitMQ
- Experience with AWS, GCP, or Azure
- Understanding of serverless functions and event-driven architecture Benefits:
- Competitive compensation with regular performance-based increments
- Opportunity to work on AI-integrated, scalable SaaS platforms
- Strong leadership, mentorship, and continuous learning environment
- Learning budget for certifications, training, and conferences Job Type: Full-time
Work Location: In person
About KayJay Global Solutions Pvt.ltd
KayJay Global Solutions is a premier digital transformation & IT consulting firm dedicated to driving innovation, enabling smart automation, and helping businesses unlock their full potential. We partner with companies across a range of industries to deliver scalable, result-oriented software solutions.
Why Join Us:
- Work on cutting‑edge tech for clients from startups to enterprises, globally
- Strong focus on innovation & continuous learning
- Collaborative culture where ideas matter
- Opportunities for visibility & growth in emerging tech domains