Senior AI/ML Engineer (f/m/x) w Toruń, Polska

Expected, AI, Machine Learning, LLM, Python, Pydantic AI

About the project, We are looking for experienced AI/ML Engineer to join our team working on agent engineering. In this remote position, you will focus on constructing agent tools and defining schemas, playing a crucial role in ensuring seamless integration with the Semantic Retriever. You will help deploy structured interfaces for multi-agent workflows, contributing to innovative AI solutions. If you are passionate about AI and Machine Learning and eager to work on cutting-edge projects, this opportunity may be the right fit for you.

Your responsibilities, Building and developing tools for AI agents and defining their schemas, Ensuring seamless integration with the Semantic Retriever, Deploying and configuring structured interfaces for multi-agent workflows, Implementing complex prompts and generating structured LLM outputs, Writing comprehensive unit tests for all developed solutions

Minimum 5 years of experience in software engineering or AI/ML, Strong proficiency in Python and experience with Pydantic schema development, Expertise in API orchestration and tool architecture, Practical knowledge of LangGraph and experience with semantic retrieval integration, Ability to implement complex prompts and generate structured LLM outputs, Advanced level of English and residency in Poland

Optional, Familiarity with other AI frameworks or tools

What we offer, Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas, Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market, We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022, Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more, Comfortable workplace – class A offices or remote work, Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application, PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers, Investment in your growth – meetups, webinars, training platform and technology blog – you choose, Fantastic atmosphere created by all Sii Power People

Recruitment stages, Send your CV, Talk to us about your expectations, Learn more about our projects and choose the best, Start your adventure with Sii!

Sii Sp. z o.o., Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 300 professionals and implement projects in a variety of industries for clients from many countries around the world. The Great Place to Work title, won 10 times in a row, proves that at Sii, we create a friendly work environment., , Sii ensures that all employment-related decisions are made solely on the basis of qualifications and competencies. We are committed to equal treatment of all individuals, regardless of any protected characteristics, and promoting a diverse and inclusive work environment.

This is how we work,