Full Stack Developer – Node.js/NestJS

Winzons; India; On-site; INR 1,200,000 - 2,000,000; Full time

Job summary

Prayas AI is hiring a backend-first Full Stack Developer to design and scale robust backend systems while contributing to React Native mobile applications. You will own data modeling, REST APIs, and system design for scalable products.

Hybrid work in Gurugram, with a strong focus on data, APIs, and end-to-end ownership. Candidates should have 3–7 years in backend or full-stack roles, solid JavaScript skills, and hands-on experience with Node.js and NestJS.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or equivalent.
• 3-7 years of professional backend or full-stack experience.
• Hybrid work in Gurugram, India.

Responsibilities

• Design and build scalable backend services using NestJS
• Develop and maintain REST APIs consumed by mobile clients
• Own PostgreSQL data modeling, migrations, indexing, and query optimization
• Work extensively with TypeORM for schema design and transactional logic
• Ensure backend systems are secure, performant, and reliable
• Integrate backend APIs with React Native applications
• Contribute to mobile feature development, debugging, and performance improvements
• Participate in architecture discussions, code reviews, and design decisions
• Troubleshoot production issues and improve system stability

Skills

JavaScript

Node.js

NestJS

React Native

REST APIs

Async programming

Backend design

Education

Bachelor's Degree in Computer Science, Engineering, or equivalent

Tools

NestJS

Node.js

PostgreSQL

TypeORM

React Native

Job description

Company Name: Prayas AI

Job Role: Full Stack Developer - Node.js / NestJS

Experience Required: 3-7 Years

Employment Type: Full-Time

Location: Gurugram, India (Hybrid)

Qualification: Bachelor's Degree in Computer Science, Engineering, or equivalent technical background

Work Preference: Women candidates preferred

About the Role :

We are hiring a backend-first full stack engineer who can design and scale robust backend systems while also contributing to React Native mobile applications. This role is for engineers who think deeply about data, APIs, and system design, and are comfortable owning features end-to-end.

Tech Stack :

• Backend : Node.js, NestJS
• Database : PostgreSQL
• ORM : TypeORM
• Mobile : React Native
• Language : JavaScript
• Styling : Shadcn, Tailwind

Responsibilities :

• Design and build scalable backend services using NestJS
• Develop and maintain REST APIs consumed by mobile clients
• Own PostgreSQL data modeling, migrations, indexing, and query optimization
• Work extensively with TypeORM for schema design and transactional logic
• Ensure backend systems are secure, performant, and reliable
• Integrate backend APIs with React Native applications
• Contribute to mobile feature development, debugging, and performance improvements
• Participate in architecture discussions, code reviews, and design decisions
• Troubleshoot production issues and improve system stability

Required Qualifications :

• 3+ years of professional experience in backend or full-stack development
• Strong proficiency in JavaScript
• Hands‑on experience with Node.js and NestJS
• Strong working knowledge of PostgreSQL
  • Data modeling
  • Query optimization
  • Indexing strategies
• Experience with TypeORM (or similar ORM with solid SQL understanding)
• Working experience with React/React Native
• Solid understanding of :
  • RESTful API design
  • Asynchronous programming
  • Backend system design fundamentals

Must-Have Background :

• Graduate from a top-tier IIT or equivalent elite engineering institute
• Prior experience in product-based companies
• Experience building and running production-grade systems

Good to Have :

• Experience with :
  • Redis / caching layers
  • Background jobs and queues
  • Authentication & authorization systems
• Exposure to cloud platforms (AWS / GCP)
• Experience shipping and maintaining mobile apps at scale
• Familiarity with monitoring, logging, and performance tuning

What We Value :

• Strong engineering fundamentals
• Backend-first mindset with product awareness
• High ownership and accountability
• Clean architecture and long-term thinking

Why Join Us :

• Solve non-trivial product and scale problems
• High ownership, low process overhead
• Strong focus on engineering quality
• Opportunity to influence system architecture early