Machine Learning Expert

Join to apply for the Machine Learning Engineer role at Fundamental Media Join to apply for the Machine Learning Engineer role at Fundamental Media Get AI-powered advice on this job and more exclusive features. Shape the Future of Marketing Intelligence with Alphix At Alphix, we’re redefining what’s possible in marketing performance and activation. As part of Fundamental Group, an established and trusted name in media intelligence, Alphix operates with the speed, mindset and energy of a start up, constantly experimenting, innovating, and deploying powerful solutions that give marketers the clarity and confidence to act faster and smarter. We're now looking for an exceptional Machine Learning Engineer who is excited to help spearhead our LLM capabilities and shape our AI architecture, taking us to the next level of insight-driven marketing automation. Lead the development of Alphix’s LLM-powered features and services – from prototype to production – enabling automation, summarisation, semantic insights and next-gen user experiences. Design and build vector database solutions for scalable semantic search, contextual analysis, and real-time decision-making. Work cross-functionally with product, engineering and data teams to deploy machine learning models in a production environment, with real users and measurable impact. Research and implement novel AI/ML techniques – from RAG pipelines and embedding optimization to custom LLM tuning – to solve real-world marketing challenges. Champion ML best practices, robust pipelines (MLOps), and high-quality model monitoring. You’re a creative builder, excited by the chance to develop intelligent systems that didn’t exist before. Deployment of ML models at scale You’ve built and deployed AI/ML solutions that had real, measurable impact for clients or internal users, and you can talk us through them. You have a strong foundation in machine learning, NLP, data engineering and model architecture. You care about user experience and business outcomes as much as you do about algorithmic elegance. We’re building the next generation of marketing intelligence from first principles, not retrofitting old tech. Expect hackathons, prototypes, and quick wins, balanced with big thinking and long-term vision. If you're passionate about solving tough problems with smart code, deploying AI with real-world value, and pushing boundaries in an ambitious, supportive team, we want to hear from you. Apply now or reach out to our team with examples of your work, side projects, or anything else you think showcases your capabilities. A competitive salary and bonus structure Excellent benefits including Pension contribution, Private healthcare, Life cover, Cycle Scheme, Season ticket loans, 25 days’ annual leave, 2 days paid leave for charity work, Study loans and free snacks We believe in recognition, reward and progression – partnered with the appropriate training and support Choice of tech We recognise and reward talent, hard work and driven people. Our internal mentoring programme, was introduced to support employees reach their full potential and promote career progression within the organisation. This has been well received and has resulted in many internal promotions! We recognise our hard working team, so often organise fun activities to show our appreciation, promote collaboration and team building. We also believe in giving back to our community. Employment type Full-time Job function Information Technology and Engineering Get notified about new Machine Learning Engineer jobs in London Area, United Kingdom. Graduate Software Engineer – ML Data Platform Machine Learning Scientists and Engineers: AI for Quantum Software Development Engineer in Test (SDET) We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #