Senior Full Stack Engineer

Salary: £85,000 - 105,000 per year

Requirements:

• Strong commercial experience across both frontend and backend engineering
• Excellent React and TypeScript capability
• Strong backend development experience, ideally including Python
• Good experience with APIs, databases, SQL, and system integrations
• A track record of leading projects or taking ownership of major technical workstreams
• Experience building customer-facing software from scratch
• Strong product instincts and the ability to think beyond individual tickets
• Confidence making technical decisions and working with a high level of autonomy
• Excellent communication skills and the ability to work closely with technical and non-technical stakeholders
• Positive, proactive, collaborative, and genuinely enthusiastic about building great software

Responsibilities:

• Lead the development of customer-facing products from initial concept through to production
• Build modern frontend applications using React and TypeScript
• Design and develop backend services, APIs, integrations, and application logic
• Work with Python, SQL, databases, and data platforms
• Take ownership of architecture, technical decisions, and engineering standards
• Help define the future engineering team and technical direction as the business expands

Technologies:

• Backend
• Frontend
• Support
• Python
• React
• SQL
• TypeScript
• AI
• Databricks
• JavaScript
• Fullstack

More:

We are hiring a Senior Full Stack Engineer to help build the next generation of customer-facing software in the energy market. We operate in a complex, high-value sector and are using technology, data, and strong product thinking to modernise an industry that has historically been underserved by great software. This is a permanent role, fully remote with occasional visits to our Mayfair office in London for collaboration and team time. We offer a salary of £85,000 to £105,000 plus bonus, real autonomy over what gets built and how it is delivered, support from external engineering resources when needed, broad exposure across frontend, backend, data, architecture, and product, and long-term scope to help shape our engineering function as we grow.

last updated 31 week of 2026