Senior Software Engineer II

<h3><br />Location: Bristol, London or Edinburgh (hybrid, three days a week in the office)</h3><p style="min-height:1.5em">Level: Senior Software Engineer II</p><p style="min-height:1.5em">Team: Engineering</p><p style="min-height:1.5em">Contract: Permanent</p><p style="min-height:1.5em">Reporting To: Software Engineering Manager</p><div style="min-height:1.2em;margin-top:0px;margin-bottom:0px"> </div><p style="min-height:1.5em"><strong>About Kaluza</strong></p><p style="min-height:1.5em">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.</p><div style="min-height:1.2em;margin-top:0px;margin-bottom:0px"> </div><p style="min-height:1.5em">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.</p><div style="min-height:1.2em;margin-top:0px;margin-bottom:0px"> </div><p style="min-height:1.5em">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.</p><div style="min-height:1.2em;margin-top:0px;margin-bottom:0px"> </div><p style="min-height:1.5em"><strong>What you’ll do</strong></p><p style="min-height:1.5em">You’ll join a technology community of product-focused and data-led product and platform engineers working at scale. We have a diverse ecosystem, spanning TypeScript on AWS, Go on GCP and Scala, we index on product-minded problem solving over language purity.</p><p style="min-height:1.5em">As a Senior Software Engineer you’ll own a slice of the product end-to-end, from design through to production, and you’ll build AI coding agents as your default. We’re looking for someone whose judgement is worth more than their typing speed.</p><p style="min-height:1.5em">From your first day you’ll have paid access to Claude Code, with a budget we don’t ration, and access to the systems you need through MCP. Our tools and conventions evolve quickly, and you’ll directly impact how we build from here.</p><div style="min-height:1.2em;margin-top:0px;margin-bottom:0px"> </div><ul style="min-height:1.5em"><li><p style="min-height:1.5em"><strong>Own a slice of the product end to end: </strong>shape the problem with product and design, build the interface and the services behind it, ship it, and run it in production.</p></li><li><p style="min-height:1.5em"><strong>Work across the stack over time</strong>: depending on the team you’ll work across the interface people use, the services behind it, and the APIs between them, in whatever stack your team runs.</p></li><li><p style="min-height:1.5em"><strong>Build with AI coding agents as your default</strong>: Break work down so agents can execute, direct them, and review their output as carefully as you’d review a colleague’s pull request. You’ll also maintain the tests and safeguards that let agent written code merge safely.</p></li><li><p style="min-height:1.5em"><strong>Stay close to the people who use what you build: </strong>directly or through our forward-deployed engineers: a supplier’s operations team, a custo