Full Stack Software Engineer - I

At Booking.com, data drives our decisions. Technology is at our core. And innovation is everywhere.

But our company is more than datasets, lines of code, or A/B tests. We believe travel is a force for

valuable in the world. Our mission is to make it easier for everyone to experience the world.

The Role

As a Full Stack Software Engineer in the ASI team, you will own features end-to-end, from

designing APIs and backend services to building interactive, high-performance front-end

experiences used by millions of travelers. You will be part of a team that has full ownership of a

critical business domain (ancillary products), working with a multidisciplinary team of backend and

frontend engineers, product managers, UX designers, and data analysts.

You will work on some of the most complex and impactful areas in Flights, interactive seat maps,

real-time pricing integrations with airline suppliers, post-booking upsell flows, and multi-supplier

architecture. Every feature you build is validated through rigorous A/B testing, and you'll see the





real-time impact of your work on millions of bookings.

B. Responsible

Build and maintain full-stack features across the ancillary booking funnel : seats, baggage,

meals, and more

Design and implement backend APIs (Java/Node.js) that integrate with airline suppliers and

other aggregators

Develop interactive, performant front-end components (React/TypeScript) – including

complex UIs like seat maps and pricing displays

Own the full experiment lifecycle - hypothesis, implementation, deployment, analysis, and

iteration

Collaborate with PM, UX, and data teams to translate business requirements into technical

solutions

Participate in on-call rotations and incident management for ancillary services
Monitor and improve system reliability through SLOs, dashboards, and alerting
Contribute to architectural decisions - API contracts, caching strategies, service boundaries
Advocate best developmen

📌 Full Stack Engineer 1 (Bengaluru)
🏢 Booking Holdings (NASDAQ: BKNG)
📍 Bengaluru