Rohlik
Head of Applied Science
Prague, Czech Republic, Remote. Posted a month ago
The role
You will lead the unified Forecasting and Optimization function to drive business outcomes across five markets. You will define the strategic roadmap, set technical standards, and manage a team of ML engineers and applied scientists.
What you will do
- Own business results delivered by the forecasting and optimization portfolio
- Define which decisions to automate next across purchasing, fulfillment, workforce, and commercial optimization
- Set technical standards for problem framing, method selection, and reliability monitoring
- Merge Forecasting and Optimization into one team
- Set hiring standards and develop ML engineers and applied scientists
- Partner with cell leads, operations managers, product owners, and engineering leads
Required qualifications
- 8+ years applying machine learning, forecasting, or operations research to real operational or commercial problems
- Experience building and shipping production models in time-series/probabilistic forecasting or mathematical optimization (LP, MIP, CP, heuristics, simulation)
- Fluency in Python and SQL
- Hands-on experience with production pipelines, monitoring, and backtesting
- Familiarity with modern forecasting stacks or solvers (Gurobi, CPLEX, OR-Tools)
- Experience working directly alongside supply chain, warehouse, or logistics operations
- Experience leading technical teams, hiring top talent, and developing engineers
- Active use of coding agents and modern AI tooling in daily workflow
- M.S. or Ph.D. in Operations Research, Computer Science, Statistics, Applied Mathematics, or equivalent hands-on experience
Nice to have
- Experience in e-commerce, grocery, supply chain, or logistics at scale
- Experience building or scaling a forecasting, optimization, or decision-science function from an early stage
- Experience feeding probabilistic forecasts directly into optimization models
- Experience with GCP, Snowflake, or BigQuery, and ML platforms such as ZenML or Vertex AI
Benefits
- Strong fixed salary
- Free lunch every day
- Fresh fruit & veggies in the office
- Real flexibility three days in the office, 2 days at the Home Office
- Unlimited paid vacation based on trust
- Peer credits to use in our internal cafeteria
- Free Xtra membership
- 10% cashback on everything you buy on Rohlik.cz
- Company sports challenges
- Subsidised Multisport card
About the company
Rohlik is the leading Central European e-grocer. More than a million customers shop with them across five countries.