Software Engineer, Backend
Hybrid (London)£80k - £90kFull-timePosted 11mo ago
About the role
Duffel is hiring a backend-focused Software Engineer to help design and build its travel distribution API and developer experience, primarily using Elixir, with a strong emphasis on API design, scalable systems, and collaboration across teams.
Responsibilities
- Design and build fantastic APIs and developer experiences for travel distribution
- Collaborate across teams to integrate with hundreds of airlines
- Contribute to API design, standards, and processes
- Communicate clearly about work, progress, and decisions
- Work in a collaborative environment and adapt to feedback
- Own significant portions of the codebase and impact the product’s direction
Qualifications
- 6+ years of engineering experience
- Interest in Elixir (learning on the job acceptable)
- Strong coding standards and API design
- Ability to think big-picture and trade off technical work against business impact
- Excellent communication and collaboration skills
- Bonus: experience in travel (flights, hotels, cars)
Skills
Required:API designAPI developer experienceCommunication
Nice to have:Elixir
Benefits
- Share of the company (equity) for new joiners
- Growth-oriented environment with ownership of work
- Diversity and equal opportunities employment practices
Last updated May 16, 2026. Interested? Apply on the company site.

About Duffel
The complete toolkit to sell travel.
Any business - from travel startups to financial enterprises - can build with Duffel. Shop flights and accommodation, purchase extras, manage bookings and more.
developer-toolsairplanestravelapitransportation
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