Senior Full Stack Engineer

We're working with a rapidly growing technology company that is modernising the complex, high-value energy market through innovative software, data, and strong product thinking. This business is transforming an industry historically underserved by great technology, offering a genuinely high-impact environment for experienced engineers.

The Role

• Lead the development of next-generation customer-facing software in the energy sector
• 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 to create scalable products
• Take significant ownership of architecture, technical decisions, and engineering standards
• Translate complex energy processes into clear, intuitive product experiences

What You'll Need

• Strong commercial experience across both frontend and backend engineering
• Excellent proficiency in React and TypeScript
• Solid backend development experience, ideally with Python
• Good experience with APIs, databases, SQL, and system integrations
• Proven track record of leading projects or owning major technical workstreams
• Ability to make technical decisions and work with a high level of autonomy

What's On Offer

• A competitive salary range of £85,000 to £105,000 plus bonus
• Flexibility for remote work with occasional visits to a central London office
• Significant autonomy over technical direction and product evolution
• Opportunity to lead a major product and codebase from an early stage

Apply via Haystack today!