Senior Machine Learning Engineer (TechTree)

TechTree Warszawa, Poland · Kraków, Poland

About the role

This is a remote senior machine learning engineering role open in Warszawa or Kraków for an engineer who has deployed production ML systems. You'll build and operate real-time systems that detect disinformation, owning the path from raw data and model development through deployment, monitoring, and iteration. The role emphasizes dependable software, large-scale data processing, and practical trade-offs between accuracy, latency, cost, and performance.

What you’ll do

  • Build production machine learning systems for real-time disinformation detection.
  • Own data, models, deployment, monitoring, and ongoing improvement.
  • Design systems that balance latency, accuracy, cost, and performance.
  • Work with relational and non-relational databases.
  • Build and maintain streaming and batch data-processing pipelines.
  • Contribute to the team's ML infrastructure and engineering practices.

What they’re looking for

  • Production experience building and deploying machine learning systems.
  • Strong clean-code and software engineering fundamentals.
  • End-to-end ownership from data through monitored production systems.
  • Broad exposure to machine learning approaches.
  • Experience with SQL and NoSQL databases.
  • Experience with streaming and batch processing.
  • Familiarity with Docker, CI/CD, and production cloud environments.
  • Ability to reason about system-level trade-offs.

What’s on offer

  • Remote-first and flexible working culture.
  • Competitive salary and early-employee equity.
  • 25 days of holiday plus a birthday day off.
  • Private pension contributions.
  • High ownership from the start.

Questions about this role

Is this machine learning engineer role remote?

Yes. The listing describes it as remote and remote-first, with locations in Warszawa and Kraków.

What kind of machine learning work is involved?

The role covers production systems for real-time disinformation detection across the full ML lifecycle.

What infrastructure experience is expected?

The posting asks for SQL and NoSQL, streaming and batch processing, Docker, CI/CD, and production cloud experience.

What benefits are listed?

Benefits include equity, 25 days of holiday plus a birthday day off, and private pension contributions.

How this role compares

One of 8 open Senior Machine Learning Engineer roles we are tracking today.

Posted 7 days ago, with 5 of the others posted since and 2 still open from before.

Counted across the roles Frontrunner has open right now.

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