Senior Product Engineer

Overview

In this role, you will own features end-to-end—from architecture to polished UI—for customer-facing products and internal tools. You will ship consumer-facing AI features in production while collaborating with a small team of web and mobile engineers. You’ll contribute to the broader product direction and help shape the future of clean energy tech. This is a hands-on, design-forward role in London that blends product thinking with strong engineering craft.

Pay / Benefits

• Competitive salary
• Biannual bonus scheme
• Fully expensed tech
• Paid annual leave
• Breakfast and dinner allowance

Responsibilities

• Own features end-to-end from architecture to shipped UI for customer-facing products and internal tools, including AI features
• Build and maintain responsive, performant web apps using React, TypeScript, Next.js, and modern front-end practices
• Collaborate with backend and mobile engineers to design APIs and data integration, including AI/ML services
• Work with product and design to deliver intuitive, detail-oriented user experiences and push back when quality isn’t enough
• Prototype and experiment to test new features, including AI-driven ideas, using data to inform decisions
• Help define product direction and explore the ‘why’ behind features, not just the ‘how’
• Contribute to broader product direction and shape the future of clean energy tech

Key requirements

• 5+ years of hands-on web app development with TypeScript, React, HTML, CSS, and Next.js
• Track record of owning and shipping consumer-facing products with demonstrable design attention
• Demonstrated ownership and ability to discuss decisions made beyond completing tasks
• Strong communication skills and cross-functional collaboration with product, design, backend, and mobile teams
• Understanding of performance optimization techniques for modern web apps
• Based in London or willing to relocate

• strong communication
• collaboration across product, design, backend, and mobile teams
• ownership and accountability
• TypeScript
• React
• Next.js

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