Staff Machine Learning Engineer - Pricing

The role

You will own key components of the dynamic pricing system for Rosso, the core IP of tem. You will write and ship production code to forecast prices and volumes, manage experimentation, and build monitoring and guardrails for pricing decisions.

What you will do

• Own key components of dynamic pricing end to end from design to production.
• Choose bets within components to reduce sales adjustment.
• Design experiments and holdouts for low-volume, high-value deals.
• Build monitoring, alerting, guardrails, and staged releases.
• Make pricing decisions reproducible for debugging and regulators.
• Work with the Price Quoting squad and ML Platform.
• Turn sales team feedback into model inputs or new bets.
• Explain model behaviour and trade-offs to engineers, product, and commercial colleagues.
• Redesign recurring pricing workflows with AI built in.

Required qualifications

• Write and ship production code.
• Owned a live ML system that made automated decisions with money attached.
• Experience dealing with production failures like feedback loops, silent drift, and rollbacks.
• Strong probabilistic modelling and decision-making under uncertainty.
• Run ML as production services on modern cloud infrastructure using containerised models, event-driven microservices, infrastructure as code, and CI/CD on AWS or similar.
• Production-grade Python.
• Habit of designing for observability, testing and replay.
• Track record of moving a commercial metric alongside product and commercial stakeholders.
• Use AI tooling as a day-to-day multiplier.

Nice to have

• Experience in energy, commodities or other markets where prices, forecasts and risk interact.
• Contextual bandits, causal inference or Bayesian methods used in production.
• Stochastic optimisation or operations research.
• A PhD in a field such as maths, physics, computer science or operations research.

Benefits

• Stock Options
• 25 days holiday + public holidays
• Swap public holidays for ones that matter most to you
• Extra day off for your birthday
• Up to £1,200 / €1,200 annually to upgrade your remote setup
• Up to £150 / €150 monthly on wellbeing

About the company

tem is a technology company rebuilding the energy transaction to be transparent and fair. They are a 160+ person team that powers energy for over 4,000 UK businesses.