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Sii Sp. z o.o.

Senior AI/ML Engineer (f/m/x)

Sii Sp. z o.o. Show all offers
B2B
Senior
Szczecin
Lublin
Rzeszów
Toruń
+10
Expires Nov 21, 2026
3 days ago

In short

Senior AI/ML Engineer (B2B, Full-time) for Sii Sp. z o.o. in Szczecin. Responsibilities include developing AI agent tools, integrating with Semantic Retriever, and implementing LLM outputs. Requires 5+ years of experience, Python, Pydantic, LangGraph, API orchestration, and English. Offers profit sharing, benefits, and remote work option.

Keywords

python pydantic langgraph semantic retrieval api orchestration llm ai agents ml

AI-written summary based on the listing content.

Technologies we use

About the project

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

Our requirements

  • 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
Published 2026-10-22
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