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Senior Data Scientist, Machine Learning Engineer

Poland; Lviv, Ukraine; Europe💼 Full-time🗓 2026-05-23 → 2026-07-30

Core

Building end-to-end ML and LLM-driven services (including RAG) that power autonomous AI agents for enterprise clients to resolve cases and optimize workflows.

Role type

Senior IC Machine Learning Engineer (LLM/Agentic AI)

Builds

Production ML services, LLM workflows, and AI agent infrastructure for enterprise SaaS customers.

Domain

Enterprise AI / Agentic AI / LLM Operations

Deliverable

production ML models

Required skills

Python engineering, end-to-end ML solution delivery, NLP/LLM expertise (transformers, embeddings, prompt design), backend fundamentals (RESTful services, SQL/NoSQL), data processing (pandas/NumPy, batch/stream processing, ETL orchestration)

Preferred skills

LLM ops and safety (eval frameworks, guardrails, red-teaming), model optimization (quantization, distillation), AWS ML stack, vector databases, reinforcement learning, agent frameworks

Technologies

Python, transformers, RAG, CI/CD, Airflow, Step Functions, SageMaker, Pinecone, Elasticsearch, pgvector, FAISS, DeepLake, GitHub Copilot, Claude Code

Responsibilities

Own end-to-end delivery from ideation to production and operations; Stand up robust training/evaluation pipelines; Transform ML models and LLM workflows into reusable production services; Collaborate with Product Owners to shape product requirements; Conduct code reviews and champion engineering excellence; Leverage AI coding assistants to automate engineering workflows

Seniority

Senior, hands-on IC

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