🔍 Who is Luigi’s Box?At Luigi’s Box, we’re transforming e-commerce with smarter, faster, and more personalized shopping experiences. Our AI-powered search & discovery suite includes four main solutions—Search, Analytics, Recommender, and Product Listing—that empower over 3,000 online stores to help their customers find exactly what they’re looking for. Think big names like Alza, Notino, Benu, O2, Acer, Under Armour, and more. 🛍️We’re already working with half of the e-shops in the Czech and Slovak markets, and are growing fast in Poland, DACH, the UK, and beyond.As we scale, we’re looking for a creative and talented AI/ML researcher to help us share our story with the world. 🗺️This is your chance to bring your skills to one of Europe’s fastest-growing tech scale-ups while gaining valuable experience from a team of talented AI/ML experts. 👇🧑‍💻 About the roleAs an AI/ML researcher, you'll explore new ways in which AI and ML can improve product discovery in ecommerce. Your will: Build prototypes of new search technologies, recommender systems and LLM systems Design, run and analyze experiments at scale Collaborate with great engineering teams and product managers to make the biggest possible impact for the whole company Learn state of the art science and think how it can improve our products Handle projects at an impressive scale, processing thousands of requests per second. 💻 Tech you’ll work with Python, Gradient Boosting Trees, Neural networks, LLMs, Bandits/reinforcement learning, and many more AWS, ML Flow, Langfuse, PySpark, and whatever else you will bring in 💫 What makes you a great fitMust haves General knowledge of contemporary ML and statistics Python coding skills sufficient to deliver efficient prototypes and data analyses Ability to understand a technical or business problem, suggest solutions and evaluate them using data Open to learn new technologies and science topics Nice to haves Experience with NLP tasks and/or LLMs and agentic systems Experience with real-world production ML/AI systems Experience with delivering ML/AI solutions to production 👉 Please send your CV in English. 👈🥳 What’s in it for you Flexible working hours to help you create the perfect work-life balance. Hybrid & remote work options: You can work from our offices in Bratislava or Prague, fully remote, or a mix of both. Regular company events and team-building activities to stay connected. A chance to be part of a growing, innovative company where you can help shape the future. An inclusive global team that empowers and supports your needs. A collaborative environment built on trust, transparency, and open communication. A flat structure: Work with smaller, agile teams. Paid time off & sick days. Competitive pay: Receive a competitive salary that reflects your skills and experience. Employee Stock Ownership Plan (ESOP) in the future. Perks:  💻 Hardware contribution  🧘 A MultiSport card (CZ/SK only) or well-being contribution 📚 Self-development allowance 🥞 Team breakfasts  ☕ Office refreshments 🍼 Parental benefits  🎂 Birthday surprise 🎉 And more! 🤝 Meet your team Luigi’s Box is a fast-growing scale-up in the booming SaaS industry, specializing in cutting-edge solutions for site search & product discovery. With an international team of around 120 experts spanning 10+ countries, we bring deep expertise and passion to everything we do.You’ll join our Research team, led by Matej Jakimov.🩵 Ready to join? Join Luigi’s Box and help us continue to shape the future of e-commerce.What to expect next: Introductory call with one of our Talent Partners (online). Interview for the role with our AI lead Matej Jakimov (either on-site or online). Technical round and meet the team (either on-site or online). Final interview with our CEO, Gejza (online), followed by an optional request for references. Useful links to explore Products Features Case studies of our customers Integrations Luigi’s Box reviews Demo of the app