tem

Energy

SeniorFullStackEngineer

£81–81k United Kingdom FULL TIME Remote Friendly
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Senior candidates.

The Brief

“Senior Full Stack Engineer at tem. Develop full-stack features. Build interfaces”

Industry & Context.

Energy
Problems you'll solve

Problem solving

What They're Looking For.

Must Have

Proven product delivery experience, Full Stack Engineer experience, Python experience, Node.js experience, Modern JavaScript frameworks experience, React experience, AWS services experience, Serverless tools experience, Lambda experience, API Gateway experience, DynamoDB experience, User-focused mindset, Team-first approach, Cross-functional teams experience

Nice to Have

Experience building platforms for brokers, Experience building platforms for sales partners, Experience building platforms for operational teams, Energy sector exposure, Regulated industries exposure, Familiarity with real-time data systems, Familiarity with internal workflow automation

What You'll Do.

Develop full-stack features

Contribute to internal tooling

Contribute to frameworks

Contribute to engineering workflows

Contribute to code reviews

Improve team practices

Improve documentation

How You'll Work.

Team & Collaboration

Cross-functional teams; Product teams; Design teams; Engineering teams

Process & Methodology

Agile

Full Job Description

📈 Who We Are: We are rebuilding the energy transaction, making it transparent and fair. Our goal is to put power back where it belongs, in the hands of customers and to take on one of the most critical problems of our century, access to low cost electricity. tem exists to fix a broken global energy market that’s long favoured legacy operators, intermediaries, and opaque pricing. Today’s electricity system was not designed for rapid decarbonisation, AI-driven efficiency or fair access for the actual users - businesses and generators. We’ve built the first AI native transaction infrastructure to reinvent how electricity is bought, sold and priced. Our technology is designed to cut out the inefficient fees, automate complex market flows, and bring transparency and fairness to energy transactions at scale. In late 2025, after extraordinary growth, we closed a $75 million Series B - led by Lightspeed Venture Partners with participation from Albion, Atomico, Allianz, Hitachi Ventures, Hitachi Ventures, Schroders Capital and others - positioning us for global expansion, deeper product innovation and category leadership. We’re scaling internationally and building toward a future where AI-driven infrastructure is foundational to electricity markets worldwide. Since launch, our modern utility product, known as RED, has already facilitated thousands of business customers and billions in energy transaction value, proving that modern software and AI can transform an industry built on legacy systems. At tem, we’re not just building another energy company, we’re rearchitecting market infrastructure so that transparency, efficiency and sustainability become the default, not the exception. 🏅 THE ROLE: We’re looking for Senior Full Stack Engineers to design and build the systems that power tem's core products and internal platforms. We’re hiring across several teams - including Platform, Billings, Payments, Customer Acquisition, and Customer Success - all of which play a critical r

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