Apply on company website London, United Kingdom Hybrid Full-time

Duffel is hiring a Senior AI Engineer (Backend)

Responsibilities

  • Architect and maintain the foundational AI infrastructure, including orchestration systems, execution environments, and reusable components for intelligent agent behavior.
  • Influence company-wide AI development by defining engineering standards, workflows, and best practices for future AI initiatives.
  • Develop systems for retrieval, fact-checking, and performance measurement to ensure AI outputs are accurate, trustworthy, and continuously refined.
  • Establish core capabilities for memory and personalization, enabling agents to use customer context effectively while maintaining safety and consistency.
  • Design and deploy production-grade AI agents that navigate complex travel processes and interact securely with internal APIs.
  • Collaborate with engineering teams to elevate technical standards, provide mentorship, and contribute to long-term AI strategy.

Benefits

  • Travel allowance provided to support personal travel.
  • Work remotely from any location for up to 60 days per year.
  • Sabbatical leave available after a qualifying period of service.
  • Flexibility to adjust public holidays based on personal needs.
  • Paid time off allocated for learning and skill development.
  • One paid day annually dedicated to volunteering activities.
  • Access to tax-efficient programs for electric vehicles and bicycles.
  • Comprehensive family leave policy including 26 weeks of full pay for maternity, paternity, and adoption.
  • Support for retirement savings and interest-free commuting loans.
  • Annual eye exams covered as part of employee benefits.

Work Arrangement

Hybrid

Team

AI Engineering

Other

  • Expected start date is as soon as possible.
  • Office attendance required on Tuesdays and Thursdays.
  • Employment contingent upon successful background checks and reference verification.
  • Hiring decisions are based solely on skills and experience.
  • Recruitment agency submissions without prior engagement are not accepted.

Available

Job Details
Location London, United Kingdom
Work mode Hybrid
Employment Full-time
Department Engineering
Category Backend
Posted 4 months ago
Application On company website
About company
Duffel logo

Duffel is focused on democratising the travel industry through the use of easy-to-use APIs. We’re building infrastructure that underpins the travel industry in an effort to make it accessible for anyone who wishes to sell travel.

Using our software platform, anyone can instantly become a travel seller. We've made great progress since being founded in 2017, building a team, launching our products, raising money and partnering with some of the world's leading airlines.

Duffel offers a suite of products including Flights, Stays, and Links to help businesses create seamless travel experiences for their customers.

All jobs at Duffel Visit website