# Software Engineer [Kaluza](https://www.jorb.ai/firms/kaluza.md) · London · United Kingdom · [Backend](https://www.jorb.ai/jobs/backend.md) Kaluza is hiring a Software Engineer in London. Posted 2026-09-23; applications close 2026-11-22. **Apply**: https://www.kaluza.com/job?gh_jid=4984215101 Posted 2d ago. ## Role details ## Role Overview **Location:** Bristol, London, Edinburgh (Hybrid) **Level:** C2 **Team:** Engineering **Salary:** £45,000 - £62,000 This role can be based in our London, Bristol, or Edinburgh offices and requires an existing right to work in the UK. Please note that we are currently unable to offer visa sponsorship for this role, although our policy is evaluated on a role-by-role basis. We encourage you to monitor our careers site for future opportunities. ## About Kaluza Kaluza is the Energy Intelligence Platform, transforming energy complexity into seamless coordination. We empower energy companies to overcome current challenges while accelerating the shift towards a clean, electrified future. Our platform orchestrates millions of real-time decisions across homes, devices, markets, and grids. By integrating predictive algorithms with human-centered design, Kaluza makes clean energy dependable, affordable, and adaptive to daily life. 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, alongside innovators such as Volvo and Volkswagen. ## The Role You will join the Kaluza Technology community—a large team of data-led and product-focused Software and Production Engineers who push technological boundaries at an extraordinary scale, striving for engineering greatness through best practices. Our tech stack is dynamic, but you can expect to work with: _Typescript, Node.js, Terraform, GitActions, Kubernetes, Docker, AWS, Kafka, GraphQL_ ## Responsibilities - Build and maintain robust backend services using modern technologies such as TypeScript and Node.js. - Gain experience working with event-driven systems and cloud platforms, particularly AWS. - Collaborate closely with other engineers, product managers, and designers to develop customer-facing features. - Write clean, maintainable code and actively participate in code reviews to continuously grow technical skills. - Contribute to the ongoing development and improvement of services and systems. - Work with databases (SQL or NoSQL) for efficient data management and retrieval. - Participate in team discussions, stand-ups, and planning sessions to understand large-scale system architecture. - Maintain a proactive, communicative approach by asking questions, seeking feedback, and sharing learning to foster a strong team environment. ## About You Ideally, you will have or be: - Experienced in writing backend code, preferably in TypeScript, or highly motivated to learn it. - Possessing a basic understanding of cloud technologies or a strong interest in learning platforms like AWS. - Familiar with databases and APIs, with a drive to build reliable software solutions. - A collaborative and open-minded individual who enjoys learning from others and contributing to a team. - Curious about how systems work and demonstrating a proactive attitude towards skill development. - Passionate about building technology that solves real-world user problems. - Bonus: Previous exposure to frontend development. ## Working Life and Culture ### Where You'll Work We offer flexible working, requiring an expected presence of 3 days per week in the office. This balance allows us to benefit from in-person collaboration and relationship building while providing the flexibility to work in the way that suits you best for the remainder of the week. ### Kaluza Values Our business is guided by five core values: - Play to win - Solve the real problem - Build trust every day - Own the outcome - Go further together ### Our Perks - 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 - Progressive Leave Policy—including 26 weeks of full pay for new additions to your family, regardless of service length - Personal Learning Budget—to help you upskill, learn, and grow! - Home Office Budget - And more! ## Commitment to Talent We are committed to meeting people from all backgrounds, as we believe greater inclusivity leads to better work. We aim to build teams that reflect a wide variety of experiences, perspectives, and skills, recognizing talent purely based on merit and potential. We understand that not everyone will tick every box. If you are excited about joining us and feel you possess some of the qualities we seek, we strongly encourage you to apply, even if you are not 100% sure you meet every single requirement. To learn more about working at Kaluza, please visit our careers page or our LinkedIn profile. Our Applicant Data Protection Policy is also available here. ## Applying to this role This Software Engineer role at Kaluza runs through the firm's own careers portal and expects a CV and cover letter written specifically for the posting, not a portable submission carried across firms. Jorb AI's application agent tailors a CV and cover letter from your background to this posting and tracks the role alongside the rest of your applications. [Tailor this application](https://www.jorb.ai/signup?ref=job-atom&firm=kaluza&job=6ab4689fded094c9d2f5b2de) ## Other open Backend roles - [Software Engineer – Intern (US)](https://www.jorb.ai/jobs/6a4b2d1e5192a47da3ba6e29.md) at [Citadel](https://www.jorb.ai/firms/citadel.md) – New York, posted 2mo ago - [2027 Technology Summer Analyst Program – Global Execution Services Technology](https://www.jorb.ai/jobs/6a82e1dc74ebd0ed4191c594.md) at [Nomura](https://www.jorb.ai/firms/nomura.md) – New York, posted 8mo ago - [2027 Summer Analyst - Quantitative Technology Services](https://www.jorb.ai/jobs/6aa81b1077c339d9cec324b2.md) at [RBC](https://www.jorb.ai/firms/rbc.md) – London, posted 3mo ago - [Full Stack Developer Intern (AI topics) SAP Business AI Singapore](https://www.jorb.ai/jobs/6a7d79dcdef41682d0ef3cf1.md) at [SAP](https://www.jorb.ai/firms/sap.md) – Singapore, posted 1mo ago - [Internship Programme 2027: Software Engineer (Java)](https://www.jorb.ai/jobs/6a2956a39a43d08d0a019315.md) at [Revolut](https://www.jorb.ai/firms/revolut.md) – London, posted 3mo ago --- Updated: 2026-09-26 Canonical: https://www.jorb.ai/jobs/6ab4689fded094c9d2f5b2de