Senior Software Engineer, Backend

About Engine Engine is the all-in-one travel and spend management platform trusted by 38K+ businesses and groups representing 1. 8M+ travelers.

We're the retailer and the rails of business travel, one of the fastest-growing companies in travel tech, built on a decade of proprietary technology, supply, and pricing no one else can replicate.

Other travel and AI companies run on our infrastructure to book real trips, hold rates, and move payments, without building any of it themselves. We built it, AI-forward at every layer, from how travelers book to how the rails run.

That work has earned recognition as one of Fast Company's Best Workplaces for Innovators (2025), TravelTech's Reservation Platform of the Year (2026), and one of Built In's Best Places to Work (2020–2026). We're looking for bold, ambitious people to help redefine how businesses manage and experience travel.

Working here, you can expect exponential growth, an ambitious pace, full ownership, and high-caliber colleagues who push you to do the best work of your career. Every hire raises the bar. Come outpace the ordinary and build the future of travel with us.

We are hiring for Senior Software Engine ers, Backend, on multiple teams across our organization. Your application will be considered for any open positions that are a fit. Below the details of the role there is a short description of each team with an opening.

Your Mission As a Senior Software Engine er at Engine , you’ll play a vital role in an environment where innovation meets collaboration.

Here’s what you’ll take charge of: Design and Implement: Craft innovative software systems and APIs that contribute to the success of Engine ’s mission, focusing on scalability, security, and performance.

Collaboration: Collaborate with cross-functional teams, including Product and Data Science, to unlock new opportunities and deliver seamless experiences for our customers. Ownership: Lead key initiatives that improve efficiency, enhance system performance, and