Toolmill Briefswhat companies are building, read from their hiring

Company brief · updated 2026-10-19

Duffel

duffel.com · Consumer · Any business – from travel startups to financial enterprises - can build with Duffel to search and book flights, stays, add ancillaries, charge customers, manage orders and more.

10open roles
2new in 30 days
1closed in 30 days
7remote-eligible
steadyhiring velocity

What they're building

Flights API product moderate signal

Today: "Access flights from 300+ airlines" (site heading)

Roles: Product Manager - Flights

Requirements mention: NDC · GDS · LCC · debug API integrations · developer experience

Inference: the Flights product role asks for hands-on API debugging and work across NDC, GDS and LCC content. That points to continued work on the existing flight search and booking API rather than a new product line.

Payments and commission tracking moderate signal

Today: Charging customers and earning commission through the API (site: "charge customers", "Earn commission")

Roles: Product Manager - Payments

Requirements mention: commission tracking · payouts · automated commission flows · settlement · reconciliation

Inference: the posting describes a Payments team that runs payment acceptance, supplier settlement, reconciliation and commission flows, and lists 'automated commission flows'. That suggests work on the payments infrastructure behind bookings.

API technical support and integration help strong signal

Today: "Comprehensive docs, user guides, client libraries in Node.js, Python and Ruby" (site)

Roles: Head of Technical Support · Technical Support Engineer (API) · Senior Customer Success Engineer - API · Partner Engineer (Pre and Post Sales)

Requirements mention: webhooks · authentication · troubleshooting guides · debugging integration issues · RESTful API · technical discovery · proof-of-concepts

Inference: four open roles in Customer Success and Engineering support customers integrating Duffel's API, including a Head of Technical Support role. That suggests the team helping API customers before and after sale is growing. The Head role lists troubleshooting guides and customer documentation, so more support material is a likely output.

GDS and ticketing travel support moderate signal

Today: "Give customers the flexibility they want" (site heading); changes and cancellations (site)

Roles: Travel Support Consultant, US · Travel Support Consultant, London

Requirements mention: ticketing · re-issues and refunds · BSP Link · GDS · NDC systems

Inference: two consultant roles, one in the US (Travel Operations) and one in London (Operations), both ask for ticketing, re-issue and refund work on GDS and NDC bookings. That is consistent with ongoing operational support for flight bookings.

Where the headcount is going

DepartmentOpen
Customer Success3
Engineering2
Product2
People1
Operations1
Travel Operations1

Of 11 open roles, Customer Success has 3, Engineering 2, Product 2, and People, Legal, Travel Operations and Operations 1 each; 8 roles are tagged London.

Who they need

Seniority: Mid 5, senior 2, manager 1, director 1, unknown 2.

Skills named most: Zendesk, webhooks, GDS, reconciliation, BSP Link, Jira, authentication, NDC systems, REST APIs, Travelport/Galileo, Sabre, Elixir

Locations: London, United Kingdom (5) and London (3); New York, United States (2); United States (1). 8 of 11 roles are marked remote; postings do not say where remote hires can be based, so check each one.

How to use this

If you're applying: Check the required skills against each posting before applying. The API support and Partner Engineer roles ask for webhooks and authentication. The Travel Support Consultant roles ask for GDS ticketing and BSP Link. Product Manager - Flights asks for NDC, GDS and LCC experience, and Product Manager - Payments asks for commission tracking and settlement. The backend engineering role lists Elixir, Phoenix, Kubernetes and Google Cloud Platform.

If you're selling or recruiting: Customer Success has the most open roles (3), and 8 of 11 roles are tagged London. Opening lines for a call could be the API support and integration roles (4, including a Head of Technical Support and a pre- and post-sales Partner Engineer) or the Payments product role.

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Open roles (10)

TitleDepartmentLocationPosted
Technical Support Engineer (API)EngineeringNew York, United States (remote)2026-10-16
Recruitment Lead PeopleLondon, United Kingdom (remote)2026-10-02
Head of Technical SupportCustomer SuccessLondon, United Kingdom (remote)2026-09-16
Partner Engineer (Pre and Post Sales)Customer SuccessNew York (remote)2026-09-09
Product Manager - FlightsProductLondon, United Kingdom (remote)2026-08-04
Product Manager - PaymentsProductLondon, United Kingdom (remote)2026-07-07
Software Engineer (Backend)EngineeringLondon2026-05-28
Travel Support Consultant, LondonOperationsLondon2026-03-05
Senior Customer Success Engineer - APICustomer SuccessLondon2026-03-05
Travel Support Consultant, USTravel OperationsUnited States (remote)2026-03-05