Software Engineer - Backend

Overview

Join Duffel, a pioneering company revolutionising the travel industry by rebuilding its core infrastructure. Based in London at our Shoreditch/Liverpool Street office, we offer a full-time onsite role where you will contribute to shaping the future of travel technology.

About Duffel

With over 4 billion airline passengers worldwide, travel technology is outdated. Duffel tackles these challenges by creating simplified systems and innovative tools that streamline travel search, booking, and distribution through a unified API. Backed by leading investors like Benchmark, Blossom, and Index Ventures, our engineering team combines strong fundamentals with modern tools such as Elixir, Phoenix, Kubernetes, and Google Cloud Platform.

Key Responsibilities

As a software engineer focused on backend development, you will design and maintain elegant APIs offering excellent developer experiences. You will integrate with numerous varied travel providers and collaborate in defining engineering standards and processes that balance technical excellence and business impact.

Candidate Profile

• Deep passion for creating clean, well-designed APIs and prioritising developer usability
• Commitment to high-quality code and thoughtful API architecture
• Strong opinions on best engineering practices, willing to collaborate and iterate
• Ability to consider trade-offs balancing technical solutions with business goals
• Clear, structured communication about your work and rationale
• Collaborative spirit open to feedback and diverse ideas

Bonus: Experience working with travel domains such as flights, hotels, or car rentals is advantageous.

Benefits

• Competitive salary accompanied by equity ownership in Duffel
• Flexible "work from anywhere" policy
• Travel allowance applicable to using Duffel's own platform
• Generous matched parental leave
• Sabbatical program offering three months of fully paid leave
• Vibrant office located in Shoreditch alongside frequent team social events

Why Join Now?

This early-stage role offers you the opportunity to impact how core systems powering millions of travel bookings are built and scaled. Your contributions will shape the future of travel technology on a global scale.