Senior Data Science Engineer

Trinetix
📍 Warsaw, Masovian Voivodeship, Poland 💼 Full time 🕒 Posted March 01, 2026

Job Description

 We are seeking a skilled Data Science Engineer.

Must-Have Requirements 

  • Programming & ML Frameworks: Python; PyTorch or TensorFlow; scikit-learn; XGBoost or LightGBM; pandas; NumPy 
  • Time Series & Forecasting: BSTS; Prophet; Temporal Fusion Transformer (TFT); hierarchical forecasting with MinT reconciliation 
  • Optimization: Linear Programming and MILP using tools such as PuLP and OR-Tools; constraint satisfaction; min-cost flow optimization 
  • AWS ML Stack: Amazon SageMaker (Training Jobs, Endpoints, Model Monitor, Clarify, Feature Store, Pipelines) 

Nice-to-have 

  • NLP & Document AI: Amazon Textract; LayoutLMv3; Retrieval-Augmented Generation (RAG) pipelines; Amazon Bedrock (Claude); OpenSearch vector databases 
  • Advanced Machine Learning: Graph Neura...

Ready to Apply?

Submit your application today and join our talented team at Trinetix.

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Job Details

  • Location Warsaw, Masovian Voivodeship
  • Job Type Full time
  • Category Mathematical Science Occupations
  • Posted Date March 01, 2026
  • Application Deadline April 10, 2026