Software Engineer - Flights

About the job

Join the core Flights Platform team at Hopper, where your contributions will directly impact a high-growth, global travel ecosystem that handles millions of users and high-volume, real-time transactions daily.

This role offers significant feature ownership and a chance to deep-dive into the technical complexities of the airline industry. You will be instrumental in developing and evolving the mission-critical systems that power Hopper’s core flight booking engine.

Your work will be highly visible and directly responsible for :

Driving Core Feature Delivery : Taking ownership of major feature releases across the entire flight booking funnel—from flight search to booking creation and post-booking fulfillment.

Impacting Global Reach : Building scalable services that integrate new airline partners and support our B2B distribution network, enabling Hopper’s growth worldwide.

System Reliability : Contributing directly to the design and implementation of highly resilient, low-latency services that ensure a trustworthy and seamless experience for customers under high load.

What You Will Lead and Build

You will be embedded within a cross‑functional team, making substantial code contributions to a complex, high‑throughput microservices environment. Key areas of contribution include :

End‑to‑End Feature Development : Designing, implementing, and deploying high‑quality code for new flight product features, taking them from concept to production.

System Enhancement : Participating actively in discussions around system design, identifying opportunities to improve service scalability, performance, and monitoring (SLOs / SLAs).

Integration Projects : Leading the technical implementation of new integrations with external airline and GDS partners, navigating complex communication protocols and data schemas.

Code Quality and Mentorship : Upholding high standards for code quality through thorough code reviews, mentoring more junior engineers on best practices, and driving engineering excellence.

What would your day‑to‑day look like

Implementation and Review : Writing clean, performant code, contributing significantly to the codebase, and performing code reviews to maintain quality and share knowledge.

Technical Problem Solving : Collaborating with senior engineers to troubleshoot, debug, and resolve challenging production issues in a distributed system.

Requirements Planning : Partnering with Product Managers and Product Operations to understand business requirements, decompose features into technical tasks, and estimate delivery timelines.

System Exploration : Deeply exploring and improving the existing codebase and contributing to engineering improvements for the core flights product.

An ideal candidate has

We are seeking engineers who are eager to own major features and grow their impact within a complex domain. An ideal candidate possesses :

Feature Ownership Track Record : A working history of owning the technical implementation, testing, and deployment of features throughout the development life cycle.

System Contribution : Experience working on and contributing to the design of highly available microservices in a production environment.

Language Proficiency : Strong proficiency in Scala or other JVM languages, such as Java / Kotlin.

Distributed Systems Experience : Familiarity with various service communication methods, including gRPC, Pub / Sub, and REST, and practical experience working in a distributed environment.

Collaboration and Communication : Excellent communication skills, demonstrating an ability to effectively collaborate with developers, product managers, and operations teams to achieve feature goals.

Perks and benefits of working with us

Well‑funded and proven startup with large ambitions, competitive salary and the upsides of pre‑IPO equity packages.

Unlimited PTO.

Carrot Cash travel stipend.

Hopper will cover 100% of the employee premiums for EOR‑offered health, dental, life and short‑term disability insurances with SulAmerica.

Hopper offers employees in Brazil monthly meal vouchers.

Very generous parental leave.

Flexdesk All Access Pass & Work‑from‑home stipend.

Entrepreneurial culture where pushing limits and taking risks is everyday business.

Open communication with management and company leadership.

Small, dynamic teams = massive impact.

More about Hopper

At Hopper, we are on a mission to become the leading travel platform globally – powering Hopper’s mobile app, website and our B2B business, HTS (Hopper Technology Solutions). By leveraging massive amounts of data and advanced machine learning algorithms, Hopper combines its world‑class travel agency offering with proprietary fintech products to bring transparency, flexibility and savings to travelers globally. We have developed several unique fintech solutions that address everything from pricing volatility to trip disruptions – helping people travel better and save more on their trips.

The Hopper platform serves hundreds of millions of travelers globally and continues to capture market share around the world. The Hopper app has been downloaded over 120 million times and has become largely popular among younger travelers – with 70% of its users being Gen Z and millennials.

While everyone knows us as the Gen Z and Millennial travel app, Hopper has evolved to become much more than that. In recent years, we’ve grown into a travel fintech provider, commerce platform, and global travel agency that powers some of the world’s largest brands.

Through HTS, our B2B division, the company supercharges its partners’ direct channels by integrating our fintech products on their sites or powering end‑to‑end travel portals. Today, our partners include leading travel brands like Capital One, Nubank, Air Canada, and many more.

Here are just a few stats that demonstrate the company’s recent growth :

Billions of dollars worth of travel and travel fintech are sold through Hopper and HTS’ channels every year.

Our fintech products – including Cancel for Any Reason and Flight Disruption Assistance – have exceptionally strong CSAT because the terms are always clear, and customers receive instant, no‑questions‑asked resolutions.

Almost 30% of our app customers purchase at least one fintech product when making a booking; and consumers are 1.6x more likely to repurchase if they add fintech to their booking vs if they booked just travel.

Given the success of its fintech products, Hopper launched a B2B initiative, HTS (Hopper Technology Solutions), which represents more than 75% of the business.

Through HTS, any travel provider (airlines, hotels, banks, travel agencies, etc.) can integrate and seamlessly distribute Hopper’s fintech or travel inventory on their direct channels. As its first HTS partnership, the company partnered with Capital One to co‑develop Capital One Travel, a new travel portal designed specifically for cardholders. Other HTS partners include Air Canada, Uber, CommBank, Nubank, Flair Airlines and many more.

Hopper has been named the #1 most innovative company in travel by Fast Company. Hopper has been downloaded over 120 million times and continues to have millions of new installs each month. Hopper is now the #3 largest online travel agencies in North America and 70% of our app customers are Gen‑Z and millennials travelers.

Hopper has raised over $750 million USD of private capital and is backed by some of the largest institutional investors and banks in the world. HTS is primed to continue its growth as the leading travel ecommerce provider in a $1 trillion online shopping category. The Hopper app and website will also continue to be the preferred travel provider for Gen Z and Millennials..

Come take off with us!

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