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Principal Engineer

Kaluza
Bristol; Edinburgh; London, UKfull_timePosted 3 Oct 2026

About the role

<ul> <li>Job title: Principal Engineer</li> <li>Location: London / Bristol / Edinburgh (Hybrid Office - 3+ days per week)</li> <li>Team: Enterprise Architecture</li> <li>Level: TL2 / TL3</li> </ul> <p>This role is based in London, Bristol or Edinburgh&nbsp;and requires existing right to work in the UK.<br><br>At this time, we are not able to offer visa sponsorship for this role. We are committed to building a diverse, global team and our sponsorship policy is evaluated on a role-by-role basis. We encourage you to keep an eye on our careers site to stay informed about future opportunities where we are able to offer visa sponsorship.<br><br><a href="https://www.kaluza.com/">Kaluza</a> 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.<br><br>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.<br><br>With teams across Europe, North America, 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.<br><br><strong>What will I be doing?</strong></p> <p data-renderer-start-pos="303" data-local-id="71635837-a0ff-40e4-8b75-a1ff2b4444d0">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 data-renderer-start-pos="651" data-local-id="afe318c5-d169-4335-980d-c55899c830d5">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 data-renderer-start-pos="840" data-local-id="5d1958d8-2004-4ea0-821c-a0ebcadb4a0e">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><strong>About You</strong><br>Ideally you’ll have/be</p> <ul> <li data-renderer-start-pos="1072" data-local-id="c232f15f-f0a4-4008-a7b5-f91f1cfafc20">Architect modern distributed, cloud-based systems applying modern architec

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Company

Kaluza

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