tem

backend developer for energy pricing

In short

Senior backend role building and owning the Pricing API for tem's energy-trading platform RED, including leading a major decoupling of pricing logic into its own service and handling live pricing incidents. The company is an AI-native energy-market infrastructure startup serving business customers and renewable generators. Requires deep production Python experience, strong FastAPI and SQL skills, and the ability to set technical direction across teams. Fully remote role with a technical interview that includes a practical exercise.

About tem
tem is rebuilding the global energy market with AI-native transaction infrastructure that makes electricity buying, selling, and pricing more transparent and efficient. Its modern utility product, RED, serves business customers and renewable generators.
Задачи
•Build and iterate on the Pricing API to make it fast, correct, and ready for third-party access
•Lead the extraction of pricing logic into its own service, agreeing on clean boundaries with neighbouring teams
•Design systems to detect pricing errors, stop bad quotes from reaching customers, and explain prices that cannot be provided
•Raise engineering standards through design reviews, engineering standards, pairing, and multi-agent workflows
•Handle escalated live pricing incidents and turn lessons into structural roadmap fixes
•Build and manage the Pricing API behind RED, ensuring its performance and reliability
•Shape the new Pricing API and separate pricing from surrounding systems
•Make pricing measurably faster for every customer quote
Требования
•Deep production backend Python experience, including designing and owning APIs at scale and handling escalations when they break
•Experience leading a significant decoupling or migration of a live system without breaking dependent systems
•Strong FastAPI and SQL skills, with experience in data- and analytics-heavy systems where numerical correctness affects money
•Ability to set technical direction across teams and negotiate service boundaries with neighbouring teams
•Experience designing multi-agent workflows that improve team throughput; daily use of Claude or similar
•Product engineering judgement and ability to balance speed, accuracy, and explainability
Будет плюсом
•Energy pricing, fintech, or neo-utilities domain knowledge
•APIs for external third parties
•AWS and serverless patterns including Lambda, event-driven services, and Postgres on RDS
•Polars, or a track record of making numerical code fast
Условия
•Stock options
•25 days of holiday plus public holidays; public holidays can be swapped, and employees get their birthday off
•Flexible working with clear core hours and no internal meetings on Friday afternoons
•Up to GBP1,200 or EUR1,400 per year for remote setup
•Up to GBP150 or EUR170 per month for wellbeing
•The technical interview includes a practical exercise

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