Senior Staff Engineer – Origination & New Products

Company: Python Software Foundation
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Job Title

Senior Staff Engineer – Origination & New Products

Job Description

We’re hiring a Senior Staff Engineer to lead a new three-personsquad building product categories that don’t exist at tem yet:deep integration into Rosso, pricing capability, and deal-risktooling. This is a hands-on individual-contributor role, notpeople management. You design, build, and review the hardestparts of the system yourself, in Python, alongside the squad.

The stack is production-grade Python throughout: services builton AWS Lambda and API Gateway, state and events handled withDynamoDB and EventBridge, all wired together as event-drivenarchitecture. You will write Python daily, both for new productintegrations and for the pricing and risk logic that sits behindthem.

Compensation: GBP 117,850 (or local equivalent) plus equity.

  • 25 days holiday plus your birthday off
  • aremote/wellbeing budget
  • fully remote working with nointernal meetings on Friday afternoons

Restrictions

  • Telecommuting is OK
  • No Agencies Please

Requirements

Requirements:

  • Proven technical leadership at Staff or Senior Staff level,with evidence of leading ambiguous initiatives to realbusiness impact
  • Comfortable operating without a spec, shaping an undefinedopportunity into something buildable
  • Production experience with Python at scale, and fluency withAWS serverless services (Lambda, API Gateway, DynamoDB,EventBridge)
  • Sound commercial judgement: able to reason about deal riskand revenue impact, not just delivery
  • Track record leading a squad through technical direction andmentorship, without formal people-management responsibility
  • Strong written and verbal communication with commercialstakeholders

Bonus points:

  • Experience in energy, fintech, or another regulated,high-stakes commercial domain
  • Experience taking a product or company into a newinternational market
  • Exposure to workflow orchestration or real-time pricingengines

About the Company

tem builds the pricing infrastructure behind commercial energycontracts, a Python and AWS-serverless system called Rosso thatprices deals, balances portfolios, and sits on the critical pathfor every trade we close.

Contact Info

  • Contact: Luke Victor
  • E-mail contact: luke @ tem . energy
  • Web: https://jobs.ashbyhq.com/tem/30faab11-ba78-42bc-8e0a-6e7315b3f538

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Posted: October 22nd, 2026