Software Engineer

About this role

Location: Bristol, London, Edinburgh, UK (hybrid, three days a week in the office) Level: Engineer C2 Team: Engineering Salary: £45,000 – £62,000 + discretionary bonus Contract: Permanent Reporting To: Software Engineering Manager Please note: This role requires an existing right to work in the UK. We can’t offer visa sponsorship, but we review sponsorship role by role, so keep an eye on our careers site for future opportunities.

About Kaluza Kaluza is the Energy Intelligence Platform, turning energy complexity into seamless coordination. We help energy companies overcome today’s challenges while accelerating the shift to a clean, electrified future. Our platform orchestrates millions of real-time decisions across homes, devices, markets and grids. By combining predictive algorithms with human-centred design, Kaluza makes clean energy dependable, affordable and adaptive to everyday life.

With teams across Europe, Asia and Australia, and a joint venture with Mitsubishi Corporation in Japan, we power leading companies including OVO, AGL and ENGIE, as well as innovators like Volvo and Volkswagen. What you'll do You'll be joining the Kaluza Technology community. We’re a large team of both data-led and product focused Software and Production Engineers, pushing the boundaries of technology and working at an extraordinary scale.

As a collective we strive for engineering greatness and by ensuring best practices across the board of the community. Responsibilities: Build and maintain backend services using modern technologies like TypeScript and Node.js. Learn to work with event-driven systems and cloud platforms (especially AWS). Collaborate with other engineers, product managers, and designers to develop customer-facing features. Write clean, maintainable code and participate in code reviews to grow your technical skills.

Contribute to the ongoing development of services and systems, with support from your team. Work with databases (SQL or NoSQL) to manage and retrieve data. Take part in team discussions, stand-ups, and planning sessions to understand how we build at scale. Ask questions, seek feedback, and share what you’re learning to support a positive team environment. Tech stack: Typescript, Node JS, Terraform, Gitactions, Kubernetes, Docker, AWS, Kafka, GraphQL What you'll bring Ideally, you'll have: Some hands-on experience writing backend code, ideally in TypeScript, or keen to learn it.