Replenit
AI

Machine Learning Engineer Python Databricks

Replenit · Warszawa, MZ, PL

Actively hiring Posted 4 days ago

Role overview

We are looking for a Machine Learning Engineer to join our AI team and help build and scale production-grade machine learning systems.

You will work on real-world ML problems involving large-scale behavioral and transactional data, contributing to models and pipelines that drive automated decision-making.

This role is highly hands-on and focuses on turning data into reliable AI systems — from engineering and experimentation to production pipelines.

You will work closely with the Head of AI in a small, highly technical team.

What we're looking for

  • Build and maintain machine learning pipelines running on Databricks
  • Design and implement feature engineering pipelines on large-scale datasets
  • Develop and improve predictive models for customer and product behavior
  • Support experimentation, evaluation, and model performance monitoring
  • Contribute to data processing and ML infrastructure
  • Collaborate on integrating ML and LLM-based components into production workflows
  • Maintain clean, reliable code using **GitHub-based development workflows

Tech Stack**

  • Machine learning frameworks (scikit-learn, LightGBM, PyTorch, etc.)
  • Emerging LLM tooling and embeddings
  • Python
  • Spark / SQL
  • Databricks
  • *GitHub
  • 1–3 years of experience in machine learning, data science, or ML engineering
  • Strong Python programming skills
  • Experience working with data pipelines or large datasets
  • Familiarity with ML model development and evaluation
  • Experience using Git-based workflows
  • Comfortable working in a **fast-moving startup environment
  • Experience with Databricks or Spark
  • Experience with recommendation or prediction systems
  • Exposure to LLMs and foundational models
  • Experience deploying **ML pipelines in production

What We Offer**

  • Work on real production AI systems
  • A small and highly technical AI team
  • High ownership and fast iteration cycles
  • Opportunity to shape the **next generation of AI-driven systems

Tags & focus areas

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Remote Ai Machine Learning