Senior Software Engineer II (Front End)

• Design, build, and maintain scalable front end applications using TypeScript and React.
• Build and maintain shared frontend platforms, patterns, and tooling that support hundreds of contributors.
• Lead by example through high-quality code, thoughtful technical decisions, and mentorship.
• Take ownership of frontend systems through development, testing, release, and ongoing improvement.

This role plays a key role in enabling decarbonisation for Kaluza's customers by building and maintaining the enterprise design system and frontend platform that supports large-scale React applications used in the energy intelligence platform.

• Strong experience building and maintaining frontend applications with TypeScript and React.
• Deep understanding of React patterns and techniques for scaling frontend codebases and teams.
• Strong experience creating accessible UI patterns and testing against accessibility standards.
• Experience writing end-to-end tests for frontend applications.

• Salary: £76,800 - £96,000
• Pension Scheme
• Discretionary Bonus Scheme
• Private Medical Insurance + Virtual GP
• Life Assurance
• Access to Furthr - a Climate Action app
• Free Mortgage Advice and Eye Tests
• Perks at Work - access to thousands of retail discounts
• 5% Flex Fund to spend on the benefits you want most
• 26 days holiday
• Flexible bank holidays (additional 8 days)
• Progressive leave policies including 26 weeks full pay for new family additions
• Dedicated personal learning and home office budgets
• Flexible working

Kaluza is the Energy Intelligence Platform that helps energy companies overcome today's challenges while accelerating the shift to a clean, electrified future by orchestrating millions of real-time decisions across homes, devices, markets and grids.