Senior Full Stack Engineer

tem

Senior Full Stack Engineer at tem, building AI-driven energy transaction infrastructure for modern utility products. Collaborating across teams to deliver high-quality, scalable systems.

Posted 7/1/2026full-timeRemote • 🇬🇧 United KingdomSenior💰 £81,300 per yearWebsite

Tech Stack

Tools & technologies

AWSCloudDynamoDBJavaScriptNode.jsPythonReact

About the role

Key responsibilities & impact

Build with impact: Develop full-stack features across modern front-end frameworks and serverless back-end systems, with a focus on performance, reliability, and usability.
Shape the experience: Build intuitive, high-quality interfaces and tools that improve the way customers and brokers interact with our platform.
Improve how we ship: Contribute to internal tooling, frameworks, and engineering workflows that help us deliver faster and with greater confidence.
Collaborate cross-functionally: Partner with Product, Design, and other Engineers to design thoughtful, user-centred solutions to complex problems.
Maintain high standards: Write clean, well-tested code, contribute to code reviews, and help improve team practices and documentation.

Requirements

What you’ll need

Proven product delivery experience: Experience as a Full Stack Engineer in a startup or fast-paced product environment, with ownership of key projects from start to finish.
Front- and back-end fluency: Strong experience with Python and/or Node.js, and modern JavaScript frameworks like React.
Cloud-native skills: Experience working with AWS services, especially serverless tools like Lambda, API Gateway, and DynamoDB.
User-focused mindset: Comfortable turning product and user problems into simple, elegant technical solutions.
Team-first approach: Experience working in cross-functional teams where Engineers, Designers, and Product Managers collaborate closely.
Desirable: Experience building platforms or tools for brokers, sales partners, or operational teams.
Exposure to the energy sector or other regulated industries.
Familiarity with real-time data systems or internal workflow automation.

Benefits

Comp & perks

Competitive salary - our current band for this role is £81,300 or equivalent in local currency.
We review salaries twice a year using real-time market data, with transparent, consistent pay for the same role and level.
Stock Options - everyone on the team has ownership in our mission.
25 days holiday + public holidays - Swap public holidays for ones that matter most to you. Plus, get an extra day off for your birthday 🎉.
Remote & flexible working - We’re fully remote, distributed across Europe with clear core hours, and no internal meetings on Friday afternoons.
Home working & wellbeing budgets:
Up to £1,200 / €1,200 annually to upgrade your remote setup (co-working passes, equipment, etc.).
Up to £150 / €150 monthly on anything that supports your wellbeing - from therapy to gym memberships to meditation apps.

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

Full Stack DevelopmentPython ProgrammingNode.js DevelopmentJavaScript FrameworksReactAWS ServicesLambdaAPI GatewayDynamoDBCode Review

Soft Skills

User-Focused MindsetTeam-First Approach