About Indigo

IndiGo is India's largest airline by passengers carried, operating over 2,000 daily flights across 100+ domestic and 30+ international destinations. Lab37 is IndiGo's internal AI innovation team, responsible for building production-grade technology that drives operational efficiency, customer experience, and revenue growth across the airline.

Role Overview

We are looking for a seasoned Full Stack Lead Engineer to design, build, and ship high-quality web applications and backend services that power IndiGo's digital products. You will work across the entire stack - crafting responsive, performant frontends and building robust, scalable backend APIs and microservices.

This is a hands-on individual contributor role within Lab37. You will collaborate closely with data scientists, product managers, and the Head of AI & Research. Knowledge of AI/ML concepts and the ability to integrate intelligent features into full-stack products is a robust plus.

Key Responsibilities

▪ Build and maintain end-to-end web applications - responsive frontend interfaces (React / Next.js)



and scalable backend APIs (Python / FastAPI / Node.js).

▪ Design and develop RESTful and GraphQL APIs, ensuring clean contracts, authentication, rate limiting, and documentation.

▪ Own frontend engineering: component architecture, state management, performance optimization, accessibility, and cross-browser compatibility.

▪ Develop backend services including business logic, database design, caching layers, and asynchronous task processing.

▪ Write clean, testable, well-documented code with comprehensive unit and integration test coverage.

▪ Integrate third-party services, internal microservices, and AI/ML model endpoints into production applications.

▪ Participate in technical design reviews, code reviews, and architecture discussions.

▪ Collaborate with cross-functional teams - Product, Operations, Revenue Management, and Customer Experience - to translate business requirements into t

📌 Engineer - Full Stack (Gurugram)
🏢 IndiGo (InterGlobe Aviation
📍 Gurugram