Staff Engineer – Pricing

tem

. Build and iterate the Pricing API behind RED, tem's modern utility product .

Posted 10/2/2026full-timeRemoteLead💰 £104,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in backend Python development, API design, and system migration, with a focus on pricing systems in the energy or fintech sectors. Capable of leading technical direction and ensuring numerical correctness in data-heavy applications.

Highest-signal resume keywords

Backend Python DevelopmentAPI Design and OwnershipFastAPI and SQLMulti-Agent Workflow DesignEnergy Pricing Domain Knowledge

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Backend PythonAPI DesignFastAPISQLNumerical CorrectnessSystem MigrationData AnalyticsEvent-Driven ServicesPolarsServerless Patterns

Soft Skills

Technical Direction SettingNegotiationProduct Engineering Judgement

Tools & Technologies

AWSLambdaPostgres on RDSClaude

Industry Keywords

Energy PricingFintechNeo-Utilities

Tech Stack

Tools & technologies

AWSPostgresPythonSQL

About the role

Key responsibilities & impact

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

Requirements

What you’ll need

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

Benefits

Comp & perks

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