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Software Engineer, Backend

Duffel· Engineering
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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.
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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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