ML / AI Researcher
Job description
š Who is Luigiās Box?
At Luigiās Box, weāre transforming e-commerce with smarter, faster, and more personalized shopping experiences.Ā
Our AI-powered search & discovery suite includes four main solutionsāSearch, Analytics, Recommender, and Product Listingāthat empower over 3,000 online stores to help their customers find exactly what theyāre looking for. Think big names like Alza, Notino, Benu, O2, Acer, Under Armour, and more. šļø
Weāre 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, weāre looking for a creative and talented AI/ML researcher to help us share our story with the world. šŗļø
This is your chance to bring your skills to one of Europeās fastest-growing tech scale-ups while gaining valuable experience from a team of talented AI/ML experts. š
š§āš» About the role
As 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.
š» Tech youāll 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
š« What makes you a great fit
Must 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
š Please send your CV in English. š
š„³ Whatās 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.
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Perks:Ā
š» Hardware contributionĀ
š§ A MultiSport card (CZ/SK only) or well-being contribution
š Self-development allowance
š„ Team breakfastsĀ
ā Office refreshments
š¼ Parental benefitsĀ
š Birthday surprise
š And more!
š¤ Meet your teamĀ
Luigiās 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.
Youāll join our Research team, led by Matej Jakimov.
š©µ Ready to join?Ā
Join Luigiās 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
Tech stack
English
C1Python
Machine Learning
AI
AWS
Office location
ML / AI Researcher
ML / AI Researcher
