Senior ML Engineer: Production‑Ready, Explainable AI

Fetcherr; Kraków; On-site; PLN 100,000 - 130,000; Full time

Job summary

Fetcherr is looking for a detail-oriented Senior ML Engineer in Kraków, Poland, to support and maintain robust machine learning capabilities.

The ideal candidate will work closely with cross-functional teams on production systems, ensuring reliability, scalability, and explainability. Candidates should have over 5 years of relevant experience, proficiency in Python, and familiarity with modern data science libraries.

This is a unique opportunity to join a company that builds responsible AI and works with global partners.

Qualifications

• 5+ years of hands-on experience in data science or ML operations.
• Strong problem-solving skills and ability to troubleshoot.
• Excellent communication skills for summarizing findings.

Responsibilities

• Collaborate with teams to ensure ML systems are robust.
• Monitor and report on ML model performance.
• Participate in model retraining and optimize MLOps pipelines.

Skills

Data science experience

ML operations

Python proficiency

Data visualization

Time-series data

Cloud-based ML platforms

Problem-solving skills

Education

Bachelor's or Master's in Computer Science or related field

Tools

Pandas/Polars

NumPy

Scikit-learn

PyTorch

TensorFlow

Docker

K8s

Airflow

Job description

Fetcherr is looking for a detail-oriented Senior ML Engineer in Kraków, Poland, to support and maintain robust machine learning capabilities.

The ideal candidate will work closely with cross-functional teams on production systems, ensuring reliability, scalability, and explainability. Candidates should have over 5 years of relevant experience, proficiency in Python, and familiarity with modern data science libraries.

This is a unique opportunity to join a company that builds responsible AI and works with global partners.