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Posted 25 days ago

Fullstack Data Scientist - freelancer

Lingaro

  • No sponsor info yet

  • Salary: not listed by employer

  • Typical pay for tech professionals in Poland: PLN 84,000–PLN 304,000 a year Official statistics

  • Permanent residency after about 5 yrs

  • Citizenship after about 8 yrs

  • Work language: likely English (posting is in English)

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About the role

Tasks: Lead discovery and solution design for GenAI use cases, translating business problems into concrete architectures (LLM decision, RAGs, fine-tuning, agents, guardrails). Build end-to-end GenAI applications: data ingestion, retrieval layer, orchestration (e.g. LangChain/LlamaIndex/LangGraph), API/backend, and simple UI where needed. Design and implement RAG pipelines with vector databases, hybrid search, rerankers, query transformation, and evaluation frameworks for relevance and robustnes…

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Social security agreement

Location Insights: Poland

  • Take-home pay (Country tax)

    About PLN 4,950–PLN 17,910 a month after tax, from typical pay for tech professionals in Poland (PLN 84,000–PLN 304,000 a year, official statistics), not this employer's offer, using the average rate of 29.3% for a single employee on a higher salary

  • Weather (City)

    Warsaw (nearest reference city): summer highs about 78°F / 25°C, winter highs about 35°F / 2°C

  • Safety (Country)

    High peacefulness (Global Peace Index rank 22)

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