Staff Engineer – Pricing

• Build and iterate the Pricing API behind RED, tem's modern utility product
• Ensure pricing systems are fast, correct, reliable and ready for third-party access
• Lead extraction of pricing logic into a dedicated service with clean boundaries
• Decide when the new pricing service is stable enough to cut over
• Design detection, alerting and explainability systems for bad or slow prices
• Improve pricing speed for every customer quote
• Raise engineering standards through design reviews, pairing and multi-agent workflows
• Handle live pricing incidents and turn lessons into structural roadmap fixes
• Price real energy contracts for businesses buying electricity and renewable generators selling it

• Deep production backend Python experience; designed and owned APIs at scale
• Led a significant decoupling or migration of a live system without breaking dependencies
• Strong FastAPI and SQL
• Experience with data- and analytics-heavy systems where numerical correctness has financial impact
• Ability to set technical direction across teams and negotiate service boundaries with neighbouring teams
• Experience designing multi-agent workflows using Claude or similar tools
• Product engineering judgement balancing speed, accuracy and explainability
• Desirable: domain knowledge from energy pricing, fintech or neo-utilities
• Desirable: experience building APIs consumed by external third parties
• Desirable: AWS and serverless patterns, including Lambda, event-driven services and Postgres on RDS
• Desirable: Polars or a track record of making numerical code fast
• Fluent English speaking, reading and writing

• Stock options so everyone has ownership in our mission
• 25 days holiday plus public holidays
• Ability to swap public holidays for the ones that matter most to you
• Birthday off
• Remote first and flexible working
• Clear core hours
• No internal meetings on Friday afternoons
• Up to GBP1,200 or EUR1,400 per year for your remote setup
• Up to GBP150 or EUR170 per month for wellbeing