Junior AI Engineer

About Us
Palturai is building one of the largest business graphs in Europe — connecting millions of documents and entities to map relationships between companies and individuals across Germany, Switzerland, Austria. We're growing fast, adding new markets continuously. Artificial intelligence is at the core of our product: from extracting information out of unstructured text, through classification and predictive models, to analyzing influence propagation across business graphs.
Join us in our Polish team who is working directly with the German team and start your career working on AI systems that have a real impact on how our customers understand the market. This role is designed for someone early in their journey — you'll learn from experienced engineers and grow into a confident AI practitioner.
 Responsibilities
• Help design prompts and implement LLM-based solutions for analysis of text documents
• Support the team in building and maintaining classification and regression models
• Work with structured and unstructured data — cleaning, exploration, feature engineering
• Collaborate closely with product and business teams to translate requirements into AI solutions
• Help deploy models to production environments and assist with monitoring tools
• Document and communicate results to non-technical stakeholders

Requirements

Must have:
• Up to ~1 year of experience in Machine Learning / NLP (internships, academic, or personal projects count)
• At least one AI/ML project you can walk us through (academic, personal, or commercial)
• Working knowledge of Python and the ML
• Basic familiarity with embedding techniques: word, sentence, topic
• Experience in data cleaning and analysis
• Basic SQL knowledge
• Eagerness to learn, a curious mindset, and willingness to ask questions

Nice to have:
• Knowledge of visualization libraries (matplotlib, seaborn, streamlit)
• Basic understanding of graphs and graph metrics (NetworkX, NetworKit)
• Familiarity with tools: Neo4j, ElasticSearch, SAP Hana
• Knowledge of German/English/Polish

What We Offer
•

Salary: 50–70 PLN/h net (B2B) or equivalent on employment contract — negotiable
• Freedom to choose your employment type (B2B, permanent contract, contract of mandate)
• Hybrid work with remote-first flexibility; modern office in the center of Poznań
• Flexible working hours; 30-minute lunch break included in the 8-hour workday
• Sports card (Multisport)
• Start-up culture with a mature business approach
• Mentorship from experienced engineers, plus time and budget for self-development — access to courses, conferences, and new technologies
• A friendly, international team with no corporate hierarchy
 
Recruitment Process
• Intro call (30 min) — we get to know each other and discuss your experience
• Technical task — short, practical, and respectful of your time
• Offer 🎉
 
Sounds interesting? Send us your CV (in English or both Polish and English)and a short note about a project (academic or personal) you're most proud of.