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Senior Data Scientist - Operational Research

Relay Technologies· Technology
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London - HybridFull-timePosted 4mo ago

About the role

Senior individual contributor role in Relay's Operational Research team, designing and productionising optimisation models and solvers for Relay's last-mile marketplace within the Data function.

Responsibilities

  • Translate operational requirements into optimisation models across scheduling, assignment and pricing problems.
  • Develop and evaluate solution approaches — drawing on knowledge of mathematical programming and meta-heuristics.
  • Design and build algorithms, heuristics and solvers bespoke for the unique problems you formulate.
  • Ensure your solutions are scalable and adaptable to our growing operation.
  • Benchmark and evaluate the performance of your solutions
  • Work closely with engineering to productionise your solutions into automated daily processes
  • Work with analytics to monitor the daily performance of your solution, using this information to proactively evolve your solution to make better decisions.

Qualifications

  • Relevant operational research experience in heuristics and/or mathematical programming.
  • Comfortable coding in a general purpose or performance language, such as Python, Rust, Julia or C++
  • Ability to solve large-scale optimisation problems
  • Interest in working on production systems and learning from real-world outcomes
  • Desire to understand problems deeply and craft bespoke solutions for unique decision dynamics
  • Interest in cross-functional collaboration within Relay’s Last Mile Marketplace

Skills

Required:Operational ResearchCoding

Benefits

  • Generous equity, richer than 99% of European startups, with annual top-ups to share Relay’s success.
  • Private health & dental coverage.
  • 25 days of holidays.
  • Enhanced parental leave.
  • Hardware of your choice.
  • Extensive perks (gym subsidies, cycle-to-work, Friday office lunch, covered Uber home and dinner for late nights, and more).
Last updated Sep 23, 2026. Interested? Apply on the company site.

About Relay Technologies

Built for speed, engineered for excellence, designed for growth - turn the final mile into the final 100m.

Relay is a tech-enabled delivery network, empowering businesses to grow and elevate their e-commerce operations.

E-commercedeliverylogisticstechnology
Company profileWebsite

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