Data Scientist

Company: Test Yantra
Apply for the Data Scientist
Location: Greater London
Job Description:

Senior Data Scientist – Optimization

We’re hiring a Senior Data Scientist with strong Optimization / Operations Research expertise to join a high-impact team working on complex aviation problems.

This is not a typical ML-focused Data Scientist role — the focus is on building and deploying advanced optimization models to drive real-world decision-making at scale.

What You’ll Be Doing

  • Design and develop optimization models (Linear, Non-linear, Mixed Integer Programming, Constraint-based)
  • Translate complex business problems into mathematical frameworks
  • Work closely with Analytics, Product, and Engineering teams to deliver data-driven solutions
  • Build end-to-end solutions: data exploration → modeling → validation → deployment
  • Apply optimization techniques to scheduling, resource allocation, and planning problems
  • Ensure models are scalable, robust, and production-ready
  • Communicate insights and trade-offs clearly to senior stakeholders
  • Mentor junior data scientists and review technical work

Must-have Experience

  • Strong hands-on experience with optimization modelling (non-negotiable)
  • Expertise in:
    • Linear Programming (LP)
    • Mixed Integer Programming (MIP)
    • Constraint Optimization
  • Experience in areas such as:
    • Crew scheduling / pairing
    • Aircraft / flight scheduling
    • Network or fleet planning
    • Resource allocation / operations planning
  • Proficiency in Python with tools like:
    • Pyomo / PuLP
    • OR-Tools
    • Gurobi / CPLEX
  • Strong foundations in mathematics, statistics, and algorithms
  • Experience solving real-world optimization problems (not just academic)

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Posted: April 20th, 2026