Staff Full Stack Engineer – Sell Side Engine
Posted 4hrs ago
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Job Description
Staff Full Stack Engineer building integration-heavy systems for tem’s AI-native energy transaction platform. Automating renewable-generator tendering, pricing, contracting, and risk workflows.
Responsibilities:
- Own architecture-level decisions on integration-heavy systems connecting Origination & New Products to Rosso, Data, and Billing
- Help ship the first new product category live and generating qualified pipeline within 6 months
- Help automate tendering processes to increase quote capacity
- Productise a manual, error-prone pricing process
- Design deal-gating risk tooling for new commercial risk categories
- Turn commercially driven, undefined problems into shippable plans
- Deliver integrations across teams without direct authority over those teams
- Design, build, and ship difficult parts of the new-product sequence
- Build primarily backend systems while contributing to the React/TypeScript frontend when needed
- Write clean, well-tested code
- Contribute to code reviews and improve team practices and documentation
Requirements:
- Deep technical depth in backend and systems design
- Track record of owning architecture-level decisions on complex, integration-heavy systems
- Experience with Python, AWS serverless (Lambda, API Gateway, DynamoDB, EventBridge), and event-driven architectures
- React/TypeScript exposure is a plus
- Ability to turn an ambiguous problem into a shippable plan
- Experience delivering work where a critical dependency sits with a team you have no authority over
- Proven product delivery experience as a Full Stack or Backend Engineer in a startup or fast-paced product environment
- Ownership of complex projects from start to finish
- Experience mentoring engineers or setting technical direction is desirable
- Experience in energy, fintech, or another regulated, high-stakes commercial domain is desirable
- Exposure to workflow orchestration, event-driven systems, or real-time pricing engines is desirable
- Experience originating new product lines from scratch is desirable
- Fluency in spoken, written, and read English
Benefits:
- Stock options
- 25 days holiday plus public holidays
- Ability to swap public holidays for other days
- Extra day off for your birthday
- Fully remote and flexible working
- Clear core hours
- No internal meetings on Friday afternoons
- Up to £1,200 / €1,200 annually for remote setup, co-working passes, and equipment
- Up to £150 / €150 monthly wellbeing budget for therapy, gym memberships, meditation apps, and similar expenses














