AI Engineer

Job title: AI Engineer (Entry Level)<br>Location: London (5 days in the office)<br>Salary: £35,000 - £45,000<br>Team: CEO Office<br>This role is based in London and requires existing right to work in the UK.<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>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.<br>Our platform orchestrates millions of real‑time decisions across homes, devices, markets and grids. By combining predictive algorithms with human‑centered design, Kaluza makes clean energy dependable, affordable and adaptive to everyday life.<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>What will I be doing?<br>Design, develop, and deploy machine learning models and AI‑driven pipelines that power real‑time energy optimisation across our platform.<br>Collaborate closely with product managers, data scientists, and software engineers to translate complex business problems into scalable AI solutions.<br>Evaluate and integrate large language models (LLMs) and generative AI capabilities into Kaluza’s product suite, driving measurable impact for our energy partners.<br>Build robust, production‑ready ML infrastructure — including model serving, monitoring, and retraining pipelines — that operates reliably at global scale.<br>Champion best practices in MLOps, ensuring models remain accurate, explainable, and aligned with evolving data landscapes.<br>Contribute to the technical direction of AI at Kaluza by staying ahead of emerging research and bringing new ideas and approaches to the team.<br>Partner with cross‑functional stakeholders to communicate model performance, limitations, and opportunities in a clear, human‑centered way.<br>About You<br>Proven experience as an AI or Machine Learning Engineer, with a strong track record of delivering production‑grade models and AI systems.<br>Proficiency in Python and hands‑on experience with ML frameworks such as PyTorch, TensorFlow, or scikit‑learn.<br>Solid understanding of MLOps principles, including model deployment, versioning, monitoring, and CI/CD for ML workflows.<br>Experience working with cloud platforms (AWS, GCP, or Azure) and containerisation tools such as Docker and Kubernetes.<br>A collaborative, product‑mindful approach — comfortable working in cross‑functional agile teams and translating technical work into clear business value.<br>Strong analytical and problem‑solving skills, with the ability to navigate ambiguity and deliver outcomes in a fast‑moving environment.<br>What Will Set You Apart<br>Experience working with LLMs, generative AI, or retrieval‑augmented generation (RAG) systems in a production setting.<br>Background in the energy, utilities, or climate tech sector — or a genuine passion for the clean energy transition.<br>Familiarity with real‑time data streaming technologies such as Kafka or Flink, particularly in the context of time‑series forecasting or demand prediction.<br>Kaluza Values<br>Here 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.<br>Our Perks<br>Pension Scheme<br>Discretionary Bonus Scheme<br>Private Medical Insurance + Virtual GP<br>Life Assurance<br>Access to Furthr - a Climate Action app<br>Free Mortgage Advice and Eye Tests<br>Perks at Work - access to thousands of retail discounts<br>5% Flex Fund - to spend on the benefits you want most<br>26 days holiday<br>Flexible Salary: GBP 35000 - 45000 per year

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Common Interview Questions And Answers

1. HOW DO YOU PLAN YOUR DAY?

This is what this question poses: When do you focus and start working seriously? What are the hours you work optimally? Are you a night owl? A morning bird? Remote teams can be made up of people working on different shifts and around the world, so you won't necessarily be stuck in the 9-5 schedule if it's not for you...

2. HOW DO YOU USE THE DIFFERENT COMMUNICATION TOOLS IN DIFFERENT SITUATIONS?

When you're working on a remote team, there's no way to chat in the hallway between meetings or catch up on the latest project during an office carpool. Therefore, virtual communication will be absolutely essential to get your work done...

3. WHAT IS "WORKING REMOTE" REALLY FOR YOU?

Many people want to work remotely because of the flexibility it allows. You can work anywhere and at any time of the day...

4. WHAT DO YOU NEED IN YOUR PHYSICAL WORKSPACE TO SUCCEED IN YOUR WORK?

With this question, companies are looking to see what equipment they may need to provide you with and to verify how aware you are of what remote working could mean for you physically and logistically...

5. HOW DO YOU PROCESS INFORMATION?

Several years ago, I was working in a team to plan a big event. My supervisor made us all work as a team before the big day. One of our activities has been to find out how each of us processes information...

6. HOW DO YOU MANAGE THE CALENDAR AND THE PROGRAM? WHICH APPLICATIONS / SYSTEM DO YOU USE?

Or you may receive even more specific questions, such as: What's on your calendar? Do you plan blocks of time to do certain types of work? Do you have an open calendar that everyone can see?...

7. HOW DO YOU ORGANIZE FILES, LINKS, AND TABS ON YOUR COMPUTER?

Just like your schedule, how you track files and other information is very important. After all, everything is digital!...

8. HOW TO PRIORITIZE WORK?

The day I watched Marie Forleo's film separating the important from the urgent, my life changed. Not all remote jobs start fast, but most of them are...

9. HOW DO YOU PREPARE FOR A MEETING AND PREPARE A MEETING? WHAT DO YOU SEE HAPPENING DURING THE MEETING?

Just as communication is essential when working remotely, so is organization. Because you won't have those opportunities in the elevator or a casual conversation in the lunchroom, you should take advantage of the little time you have in a video or phone conference...

10. HOW DO YOU USE TECHNOLOGY ON A DAILY BASIS, IN YOUR WORK AND FOR YOUR PLEASURE?

This is a great question because it shows your comfort level with technology, which is very important for a remote worker because you will be working with technology over time...