Job title: Engineer IILocation: London / Bristol / Edinburgh - Hybrid Salary: £46,000 - £60,000Reporting to: Software Engineering ManagerAt 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. 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. Leveraging Data, AI, and real-time decision-making we turn energy complexity into growth opportunities for our partners. By combining predictive algorithms with human-centred design, Kaluza makes clean energy dependable and affordable.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.As we're scaling rapidly, we have a number of opportunities available across different teams and levels. The specific role you move forward with will be shaped as we progress through the interview process, allowing us to assess where your experience can have the greatest impact, with the right support around you to enable both your growth and that of the team. Our Talent Acquisition team will guide you through the details as we go. What will I be doing?You’ll join the Kaluza Technology community, working on the Energy Retail platform, a scalable SaaS product that supports energy retailers and decarbonisation efforts. In this role, you’ll build and improve backend services using technologies like TypeScript and Node.js, contributing to reliable, event-driven systems at scale.You’ll collaborate with product managers, designers, and engineers to deliver user-focused features, while taking ownership of services or components with support from experienced teammates. Along the way, you’ll write well-tested code, work with databases and cloud technologies such as AWS, and help maintain reliable systems in production, all within a collaborative team focused on continuous improvement. About YouIdeally you’ll have: <ul><li>Experience developing backend applications</li><li>Experience with TypeScript, or experience in another language and an interest in working with TypeScript</li><li>Some exposure to event-driven systems or message queues (e.g. Kafka, SQS)</li><li>Familiarity with cloud environments, ideally AWS</li><li>Comfort working with databases (SQL or NoSQL) and an understanding of basic trade-offs</li><li>A collaborative approach, with clear communication and a focus on solving problems as a team</li><li>Curiosity and motivation to continue learning and growing as an engineer</li></ul>What will set you apart:<ul><li>Some exposure to frontend development, such as React</li></ul> Why might this role not suit you?We are going through a period of significant evolution which is exciting and with it brings lots of opportunity and challenging work, which is not for everyone. To be successful in this role, you will be excellent at operating in ambiguous, changing environments, balancing multiple priorities simultaneously and get enjoyment from making the complex, simple.  Our Interview ProcessWe run a transparent process designed to reflect the kind of work you’d do here.Initial Call with Talent Acquisition (30 minutes) An introduction to Kaluza, the team, and your experience, with time to answer any initial questions.First Stage (1 hour) A conversation with a hiring manager covering both technical topics and ways of working. This includes a short live coding exercise.Final Stage (3 hours total) This stage includes three sessions, usually scheduled separately, though we can accommodate completing them in a single day if you prefer:<ul><li>Pairing - A collaborative session where you’ll work through a practical task with one of our engineers, focusing on problem-solving, clean code, and communication.</li><li>System Design - Explores how you approach more complex problems, including designing scalable, reliable systems.</li><li>Behavioural - Focuses on collaboration, problem-solving, and how you deliver value for customers, using real examples from your experience.</li></ul> Kaluza ValuesHere at Kaluza we have five core values that guide us as a business: Play to win, Solve the real problem, Build trust every day, Own the outcome, Go further together From us you’ll get<ul><li>Pension Scheme</li><li>Discretionary Bonus Scheme</li><li>Private Medical Insurance + Virtual GP</li><li>Life Assurance</li><li>Access to Furthr - a Climate Action app</li><li>Free Mortgage Advice and Eye Tests</li><li>Perks at Work - access to thousands of retail discounts</li><li>5% Flex Fund to spend on the benefits you want most</li><li>26 days holiday</li><li>Flexible bank holidays, giving you an additional 8 days which you can choose to take whenever you like</li><li>Progressive leave policies with no qualifying service periods, including 26 weeks full pay if you have a new addition to your family</li><li>Dedicated personal learning and home office budgets</li><li>Flexible working — we trust you to work in a way that suits your lifestyle</li><li>And more…</li></ul>Even better? You’ll have access to these benefits from day 1 when you join. We want the best peopleWe’re keen to meet people from all walks of life — our view is that the more inclusive we are, the better our work will be. We want to build teams which represent a variety of experiences, perspectives and skills, and we recognise talent on the basis of merit and potential.We understand some people may not apply for jobs unless they tick every box. But if you're excited about joining us and think you have some of what we're looking for, even if you're not 100% sure, we'd still love to hear from you.Find out more about working at <a href="http://kaluza.com/">Kaluza</a> on our <a href="https://kaluza-dev.webflow.io/careers">careers page</a> and <a href="https://www.linkedin.com/company/kaluza/">LinkedIn</a>. You can also find our Applicant Data Protection Policy <a href="https://www.kaluza.com/applicant-data-protection-notice">here</a>.

Kaluza is the intelligent energy platform enabling the world&rsquo;s largest energy companies to lead the way in the energy transition. From revolutionising energy retail operations to smart electric vehicle charging, our software is empowering energy suppliers to deliver market-leading experiences for their customers and drive decarbonisation.&nbsp;
Launching in 2019, we&rsquo;ve grown rapidly to over 400 employees across the UK, Portugal and the US. We pride ourselves on technical excellence and building a platform that has a real, positive impact in a fast-evolving industry.&nbsp;
We&rsquo;re on the lookout for talented problem solvers, who are determined to make a difference to the world. Sound like you? Find out more about life at Kaluza&nbsp;<a class="body-text-link hyperlink" href="https://careers.kaluza.com/life-at-kaluza">here</a>.

Software Engineer II

Job title: Engineer IILocation: London / Bristol / Edinburgh - Hybrid Salary: £46,000 - £60,000Reporting to: Software Engineering ManagerAt 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. 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. Leveraging Data, AI, and real-time decision-making we turn energy complexity into growth opportunities for our partners. By combining predictive algorithms with human-centred design, Kaluza makes clean energy dependable and affordable.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.As we're scaling rapidly, we have a number of opportunities available across different teams and levels. The specific role you move forward with will be shaped as we progress through the interview process, allowing us to assess where your experience can have the greatest impact, with the right support around you to enable both your growth and that of the team. Our Talent Acquisition team will guide you through the details as we go. What will I be doing?You’ll join the Kaluza Technology community, working on the Energy Retail platform, a scalable SaaS product that supports energy retailers and decarbonisation efforts. In this role, you’ll build and improve backend services using technologies like TypeScript and Node.js, contributing to reliable, event-driven systems at scale.You’ll collaborate with product managers, designers, and engineers to deliver user-focused features, while taking ownership of services or components with support from experienced teammates. Along the way, you’ll write well-tested code, work with databases and cloud technologies such as AWS, and help maintain reliable systems in production, all within a collaborative team focused on continuous improvement. About YouIdeally you’ll have: <ul><li>Experience developing backend applications</li><li>Experience with TypeScript, or experience in another language and an interest in working with TypeScript</li><li>Some exposure to event-driven systems or message queues (e.g. Kafka, SQS)</li><li>Familiarity with cloud environments, ideally AWS</li><li>Comfort working with databases (SQL or NoSQL) and an understanding of basic trade-offs</li><li>A collaborative approach, with clear communication and a focus on solving problems as a team</li><li>Curiosity and motivation to continue learning and growing as an engineer</li></ul>What will set you apart:<ul><li>Some exposure to frontend development, such as React</li></ul> Why might this role not suit you?We are going through a period of significant evolution which is exciting and with it brings lots of opportunity and challenging work, which is not for everyone. To be successful in this role, you will be excellent at operating in ambiguous, changing environments, balancing multiple priorities simultaneously and get enjoyment from making the complex, simple.  Our Interview ProcessWe run a transparent process designed to reflect the kind of work you’d do here.Initial Call with Talent Acquisition (30 minutes) An introduction to Kaluza, the team, and your experience, with time to answer any initial questions.First Stage (1 hour) A conversation with a hiring manager covering both technical topics and ways of working. This includes a short live coding exercise.Final Stage (3 hours total) This stage includes three sessions, usually scheduled separately, though we can accommodate completing them in a single day if you prefer:<ul><li>Pairing - A collaborative session where you’ll work through a practical task with one of our engineers, focusing on problem-solving, clean code, and communication.</li><li>System Design - Explores how you approach more complex problems, including designing scalable, reliable systems.</li><li>Behavioural - Focuses on collaboration, problem-solving, and how you deliver value for customers, using real examples from your experience.</li></ul> Kaluza ValuesHere at Kaluza we have five core values that guide us as a business: Play to win, Solve the real problem, Build trust every day, Own the outcome, Go further together From us you’ll get<ul><li>Pension Scheme</li><li>Discretionary Bonus Scheme</li><li>Private Medical Insurance + Virtual GP</li><li>Life Assurance</li><li>Access to Furthr - a Climate Action app</li><li>Free Mortgage Advice and Eye Tests</li><li>Perks at Work - access to thousands of retail discounts</li><li>5% Flex Fund to spend on the benefits you want most</li><li>26 days holiday</li><li>Flexible bank holidays, giving you an additional 8 days which you can choose to take whenever you like</li><li>Progressive leave policies with no qualifying service periods, including 26 weeks full pay if you have a new addition to your family</li><li>Dedicated personal learning and home office budgets</li><li>Flexible working — we trust you to work in a way that suits your lifestyle</li><li>And more…</li></ul>Even better? You’ll have access to these benefits from day 1 when you join. We want the best peopleWe’re keen to meet people from all walks of life — our view is that the more inclusive we are, the better our work will be. We want to build teams which represent a variety of experiences, perspectives and skills, and we recognise talent on the basis of merit and potential.We understand some people may not apply for jobs unless they tick every box. But if you're excited about joining us and think you have some of what we're looking for, even if you're not 100% sure, we'd still love to hear from you.Find out more about working at <a href="http://kaluza.com/">Kaluza</a> on our <a href="https://kaluza-dev.webflow.io/careers">careers page</a> and <a href="https://www.linkedin.com/company/kaluza/">LinkedIn</a>. You can also find our Applicant Data Protection Policy <a href="https://www.kaluza.com/applicant-data-protection-notice">here</a>.

Software Engineer II

About the Job

About the Company

Kaluza

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