Principal Software Engineer

<p style="min-height:1.5em"><strong>Location: </strong>London, Bristol or Edinburgh (hybrid, three days a week in the office)</p><p style="min-height:1.5em"><strong>Level:</strong> Principal Engineer TL2 / TL3</p><p style="min-height:1.5em"><strong>Team:</strong> Enterprise Architecture</p><p style="min-height:1.5em"><strong>Salary:</strong> £120,000 – £160,000 + discretionary bonus</p><p style="min-height:1.5em"><strong>Contract:</strong> Permanent</p><p style="min-height:1.5em"><strong>Reporting to:</strong> Director of Enterprise Architecture</p><p style="min-height:1.5em"><em><strong>Please note: </strong>This role requires an existing right to work in<strong> </strong>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.</em><br /><br /><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><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><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><p style="min-height:1.5em"><strong><br />What you’ll do<br /></strong></p><p style="min-height:1.5em">As a Principal Software Engineer at Kaluza, you will be the leading technical authority for a major global product area comprising multiple modules. You will lead innovation on some of the most complex, ambiguous, and large-scale solutions, aligning them with target architecture standards and contributing to the creation of a scalable platform.</p><p style="min-height:1.5em">You’ll have a broad sphere of influence, enabling multiple teams and serving as a strategic partner to our architecture leadership team and our community of principal and staff engineers.</p><p style="min-height:1.5em">Your impact will come mostly from 'hands-off' work; you’ll not be expected to write code day-to-day. But for some challenges, you may need to dive into code-level design or help build a proof-of-concept.</p><p style="min-height:1.5em"><strong><br />What you’ll bring <br /></strong>Ideally, you’ll have:</p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Architect modern distributed, cloud-based systems applying modern architecture and engineering practices in an enterprise software environment.</p></li><li><p style="min-height:1.5em">Shape and influence technical vision and product roadmaps to align with business goals.</p></li><li><p style="min-height:1.5em">Provide hands-on leadership, making appropriate technical choices to satisfy requirements.</p></li><li><p style="min-height:1.5em">Mentor and guide engineers in delivering autonomous, loosely coupled distributed systems with proven architectural principles and patterns.</p></li><li><p style="min-height:1.5em"