Software Engineer; Backend

Overview

Create the future of travel with us. Whether it’s a personal trip or a business trip, travel is essential. More than 4 billion airline passengers rely on technology that hasn't kept up with the expectations of the modern connected traveller. We are rebuilding the infrastructure that underpins the travel industry, simplifying systems and building the tools that will make the future of travel effortless.

Backed by Benchmark, Blossom, Index Ventures and Kima Ventures, our London team is growing and we’re looking for talented people to join us.

We’re building tools to simplify travel distribution, search and booking. What does that mean? A seamless API before integrating with hundreds of airlines, navigating the differing needs and systems of each airline while delivering a fantastic developer experience. The tools on the team include Elixir, Phoenix, Kubernetes and Google Cloud Platform.

• A passion for designing and building fantastic APIs, delivering great developer experiences.
• An interest in working with Elixir; previous experience is not required. Focus on engineering ability.
• A high bar in code quality and API design.
• Opinions on good engineering standards and processes.
• Big‑picture thinking: make trade‑offs on technical work streams against business impact.
• Fantastic communication skills: articulate what you’re working on and why in a clear and structured way.
• Collaborative mindset: open to suggestions and feedback, while bringing your own methods.
• Bonus if you have experience in travel, flights, hotels or cars.

We are dedicated to your personal growth. Our environment is comfortable physically and in that we always listen to ideas, concerns and questions. We believe everyone should take pride in their work, take full ownership and its impact. Everyone who joins Duffel owns a share of the company.

We are an equal‑opportunities employer. Recruitment decisions are based on experience and skills. We welcome applicants of all ages, sexes, disabilities, sexual orientations, races, religions or beliefs.

Duffel does not accept speculative CVs from external parties. Unsolicited CVs will be treated as property of Duffel.

We may use AI tools to support parts of the hiring process, but final hiring decisions are made by humans.