Senior Front-End Engineer

Fuse Energy Supply; Greater London; On-site; GBP 63,000 - 103,000; Full time

Benefits offered by this job

Equity option

Biannual bonus

Private health insurance

Tech stipend

Meal allowance for office staff

Job summary

Fuse Energy in London is hiring a Senior Front-End Engineer to build consumer and internal web products for a next-generation energy company.

You will develop responsive, high-performance interfaces using React, TypeScript, Next.js and modern front-end practices, collaborate with product, design and backend teams, and help shape the product roadmap through prototyping and data-driven insights.

Qualifications

• Bachelor's degree in a technical or analytical field, or equivalent practical experience.
• 5+ years of hands-on experience developing web applications with TypeScript, React, HTML, CSS, and Next.js.
• Proven experience building and shipping consumer-facing products.
• Strong communication and cross-functional collaboration skills.
• Understanding of performance optimization techniques for modern web apps.

Responsibilities

• Build and maintain responsive, performant web apps using React, TypeScript, Next.js.
• Collaborate with backend engineers to implement APIs and data integration.
• Work with product and design teams to deliver intuitive user experiences.
• Prototype and experiment to test new features and validate ideas.
• Contribute to product direction and help shape the roadmap.

Skills

React

TypeScript

HTML/CSS

Frontend development

Education

Bachelor's degree in technical or analytical field

Tools

Next.js

API integration

Job description

Salary: £63,000 - 103,000 per year

Requirements:

• Bachelors degree in a technical or analytical field, or equivalent practical experience
• 5+ years of hands-on experience developing web applications with TypeScript, React, HTML, CSS, and Next.js
• Proven experience building and shipping consumer-facing products
• Strong communication skills and ability to collaborate effectively with cross-functional teams
• Understanding of performance optimization techniques for modern web applications

Responsibilities:

• Build and maintain responsive, performant web applications using React, TypeScript, Next.js, and modern front-end practices
• Collaborate with backend engineers to implement APIs and ensure smooth data integration
• Work closely with product and design teams to deliver intuitive, user-friendly experiences
• Participate in prototyping and experimentation to test and validate new features
• Dig into data, validate ideas, and help define the product roadmap
• Contribute to our broader product direction and help shape the future of clean energy tech

Technologies:

• AI
• Backend
• CSS
• Hardware
• React
• TypeScript
• Web
• JavaScript
• Frontend

More:

We are Fuse Energy, an energy startup on a mission to make energy abundant and affordable, fast. We combine first-principles thinking with cutting-edge technology to build a radically better energy system. We have raised over $200M from top-tier investors including Balderton, Lakestar, Accel, Creandum, Lowercarbon, Ribbit, 20VC, Hummingbird and Collaborative Fund, alongside strategic angels including Nico Rosberg and GPs behind Meta, Revolut, Spotify and Uber. We are building a fully integrated energy company, developing our own solar, batteries and other generation projects, building our own hardware, improving and developing grid infrastructure, trading power in real time, using AI across the business, and installing distributed energy in homes. By selling directly to consumers we cut out the middleman, lower costs and pass the savings on to our customers. We are hiring a Senior Front-End Engineer to build the consumer and internal products that power a next-generation energy company. We offer a competitive salary, eligibility for equity, a biannual bonus scheme, fully expensed tech to match your needs, private health insurance, and breakfast and dinner allowance for office-based employees. Benefits vary by location as we hire globally.

last updated 36 week of 2026