Senior Full Stack Engineer

🕒 July 30

🇬🇧 United Kingdom – Remote

💵 £82.7k / year

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

🇬🇧 UK Skilled Worker Visa Sponsor

This company has sponsored UK Skilled Worker visas in the past.

👻 Ghost score 18%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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tem

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2021

⚡ Energy

🛍️ eCommerce

☁️ SaaS

Energy • eCommerce • SaaS

tem is a company that empowers businesses to save on energy costs by directly purchasing from renewable energy generators. With its innovative RED™ product, tem simplifies the energy procurement process, offering transparency and a streamlined portal for managing contracts, quotes, and billing. The company aims to reduce the expense associated with traditional energy suppliers, enabling clients to cut energy costs by up to 25% while supporting the transition to renewable energy. tem's mission is to create accessible renewable energy solutions for all businesses, promoting sustainability and fair pricing within the energy market.

📋 Description

• Design and build systems powering tem’s core products and internal platforms • Develop full-stack features across modern front-end frameworks and serverless back-end systems • Lead development of customer- and broker-facing portals • Build and evolve scalable billing and payments systems • Improve developer experience through tooling, CI/CD, shared services, and automation • Streamline internal operations with intelligent workflows, dashboards, and integrations • Build intuitive interfaces and tools for customers and brokers • Collaborate with Product, Design, and Engineering on user-centred solutions • Write clean, well-tested code • Participate in code reviews • Improve engineering practices and documentation

🎯 Requirements

• Experience as a Full Stack Engineer in a startup or fast-paced product environment • Ownership of key projects from start to finish • Strong experience with Python and/or Node.js • Experience with modern JavaScript frameworks such as React • Experience with AWS services, especially Lambda, API Gateway, and DynamoDB • Ability to turn product and user problems into simple, elegant technical solutions • Experience working in cross-functional teams with Engineers, Designers, and Product Managers • Experience building platforms or tools for brokers, sales partners, or operational teams (desirable) • Exposure to the energy sector or other regulated industries (desirable) • Familiarity with real-time data systems or internal workflow automation (desirable) • Fluent English: able to speak, read, and write English fluently • Must be able to work from the country of residence with required authorization or support

🏖️ Benefits

• Stock Options — everyone on the team has ownership in the mission • 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 • 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 • Salary benchmark and evidence-based pay progression