- Full Time
- London
Duffel at a glance
SEC filings mentioning "Duffel": 335 — search EDGAR
Duffel
Software Engineer London | Full-time | Hybrid | Shoreditch/Liverpool Street
Create the Future of Travel With Us
Whether it’s visiting the people closest to us, starting an exciting adventure, or a career-defining business trip, travel is essential. Yet we’ve all experienced the aches and pains of getting to our destination.
More than 4 billion airline passengers rely on technology that hasn’t kept up with modern expectations. That’s why we’re rebuilding the infrastructure that underpins the travel industry – simplifying systems and building tools that will make the future of travel effortless.
We were part of Y Combinator S18’s cohort and we’re backed by Benchmark, Blossom, Index Ventures, and Kima Ventures – a fantastic set of investors that has helped build some of the world’s largest companies.
Our London team is growing, and we’re looking for talented people to join us on our journey.
Engineering at Duffel
We’re building tools to simplify travel distribution, search, and booking through one seamless API. The technical challenge? Design a beautiful API, then integrate it with hundreds of travel providers – each with different systems and requirements – whilst delivering a fantastic developer experience.
We work with Elixir, Phoenix, Kubernetes, and Google Cloud Platform, but we value strong engineering fundamentals over specific tech experience.
You’ll Thrive Here If:
✅ You’re passionate about designing beautiful APIs and creating great developer experiences
✅ You have a high bar for code quality and API design
✅ You have opinions on good engineering standards and processes as we define ours at Duffel
✅ You think big picture – making tradeoffs between technical work and business impact
✅ You communicate clearly, articulating what you’re working on and why in a structured way
✅ You thrive collaboratively – you believe in your methods but stay open to feedback and suggestions
Bonus: Experience in travel, flights, hotels, or cars
What You’ll Get:
💰 Competitive salary + equity (you’ll own part of Duffel)
🏝️ Work from anywhere policy
🛩️ Duffel travel allowance (use what we build)
🍼 Matched parental leave
🧘♂️ Sabbatical programme (3 months full pay)
🌎 Visa sponsorship available
🪩 Office in Shoreditch + regular team socials
Why Now Matters
You’ll work on the core API powering millions of travel bookings. Early-stage role = outsized impact on how we build and scale.
To apply for this job please visit jobs.ashbyhq.com.
Terms used in this posting
- equity
- Ownership stake in the company, usually in the form of stock options or RSUs, offered in addition to salary.
- hybrid
- A work arrangement combining both in-office and remote/at-home work, typically on a set schedule.
Explore Duffel online
Working in London, UK
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London is the capital and largest city of England and the United Kingdom, with a population of 9.1 million people in 2024. Its wider metropolitan area is the largest in Western Europe, with a population of 15.4 million. London stands on the River Thames in southeast England, at the head of a 50-mile (80 km) tidal estuary down to the North Sea, and has been a major settlement for nearly 2,000 years. Its ancient core and financial centre, the City of London, was founded by the Romans as Londinium and has retained its medieval boundaries. The City of Westminster, to the west of the City of London
England is a country that is part of the United Kingdom. It is located on the island of Great Britain, of which it covers about 62%, and more than 100 smaller adjacent islands. England shares a land border with Scotland to the north and another land border with Wales to the west, and is surrounded by the North Sea to the east, the English Channel to the south, the Celtic Sea to the south-west, and
- Elevation 18m (59 ft)
Source: Wikipedia (state)
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