Job Title

Machine Learning EngineerYou can get further details about the nature of this opening, and what is expected from applicants, by reading the below.1 day ago Be among the first 25 applicantsKraken is the operating system for utilities of the future. Built in-house at Octopus Energy, we took them to become the biggest supplier in the UK, and now we power energy companies and utilities around the globe in 10 countries and counting, licensing software to giants like Origin Energy in Australia and Tokyo Gas in Japan. Were on a mission to accelerate the renewable transition, and bring affordable green energy to the world.Weve reinvented energy products with smart, datadriven tariffs to balance customer demand with renewable generation, and Krakens platform controls more than half of the gridscale batteries in the UK. Were driving the uptake of lowcarbon technologies like solar panels and heat pumps via our software for engineers in the field. Our platform allows our energy specialists to be the most productive in the industry, with our suite of AI tools making us pioneers in using ML and AI to make agents lives easier and customers happier. We do it by hiring clever, curious, and self-driven people, enabling them with modern tools and infrastructure and giving them lots of autonomy.Our ML team consists of ML, frontend and backend engineers, so that we can rapidly prototype and get innovative tools in use at breakneck speed. Weve had great success in using AI to bring better service to customers, and we want to bring that success to the whole business. Youll be part of a small expert team working on the most pressing problems for the business, whether its internal AI tooling to make our developers twice as productive, or automating processes to cut months off migration times for new clients. Youll work across the whole product lifecycle: identifying uses of new technologies via exploration, working closely with teams around the business to validate that your ideas will bring value, and rapidly prototyping. The work you do will define the pattern for AI success at the company.What youll doWork with a highperformance team of LLM, MLOps, backend and frontend engineersTackle the biggest problems facing the company, giving a wide experience across the business, with the freedom to define novel approachesHelp LLMs understand and interact with the millions of lines of code that run Kraken, leveraging cuttingedge techniques such as GraphRAG, agentic workflows, finetuning, and reinforcement learningUse classic ML and NLP techniques to complement and improve LLM systemsAct as a centre of excellence for the whole business in AI, consulting other teams on LLM use and lifting the quality of products across the organisationBe on the forefront of understanding AI advancements and their technical implications for the team and businessWhat youll needCurious and selfdriven in a field that changes so quickly, you must have the initiative to make decisions yourself and find solutions to novel problems without extensive help1+ year experience with LLMs in production beyond POC and a deep technical understanding of diverse technologies and techniques to adapt LLMs to domains (e.g. advanced RAG techniques, tool calling, finetuning and RL). Interest in cuttingedge AI systems in software engineering, such as AI software copilots or autonomous engineering bots, is a particular plus3+ years experience of traditional ML techniques, including training and deploying nonLLM ML models, and ongoing monitoring of production models with feedback mechanisms to improveA keen interest in GenAI and classic ML, understanding of emerging trends and research, and proven experience aligning and applying this to realworld objectivesIt would be great if you hadExperience working with large codebases and collaborating with multiple engineering teams in large companiesExperience in diverse LLM deployment methods (e.g. hosted finetuned models via services like Bedrock, and running directly via engines like vLLM)Additional informationKraken is a certified Great Place to Work in France, Germany, Spain, Japan and Australia. In the UK we are one of the best workplaces on Glassdoor with a score of 4.7. Check out our Welcome to the Jungle site (FR/EN) to learn more about our teams and culture.Are you ready for a career with us? We want to ensure you have all the tools and environment you need to unleash your potential. If you have any specific accommodations or a unique preference, please contact us at and well do what we can to customise your interview process for comfort and maximum magic!Studies have shown that some groups of people, like women, are less likely to apply to a role unless they meet 100% of the job requirements. Whoever you are, if you like one of our jobs, we encourage you to apply as you might just be the candidate we hire. Across Kraken, were looking for genuinely decent people who are honest and empathetic. Our people are our strongest asset and the unique skills and perspectives people bring to the team are the driving force of our success. As an equalopportunity employer, we do not discriminate on the basis of any protected attribute. We consider all applicants without regard to race, colour, religion, national origin, age, sex, gender identity or expression, sexual orientation, marital or veteran status, disability, or any other legally protected status. U.S. based candidates can learn more about their EEO rights here.Our Applicant and Candidate Privacy Notice and Artificial Intelligence (AI) Notice, Website Privacy Notice and Cookie Notice govern the collection and use of your personal data in connection with your application and use of our website. These policies explain how we handle your data and outline your rights under applicable laws, including, but not limited to, the General Data Protection Regulation (GDPR) and the California Consumer Privacy Act (CCPA). Depending on your location, you may have the right to access, correct, delete or object to processing, or withdraw consent. By applying, you acknowledge that youve read, understood and consent to these terms.We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analysing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. xjdpvnf Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.