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Senior Python Backend Engineer, Reef Technologies

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Remote- full time- Posted August 5, 2026- via python.org

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Warsaw (fully remote), Poland

Senior Python Backend Engineer

We’re looking for Python backend engineers to work on a trustless supercluster of performance-proofed GPU-enabled sandboxed docker container runners controlled by truly decentralized algorithms (not just PAXOS or RAFT).

Wow, that was a mouthful...

If you found it interesting, join Reef Technologies and tackle complex technical challenges like this on your own terms:

  • Contribute from wherever you like-we are fully remote
  • Set your own time commitment, as long as it’s at least 30h per week
  • See how we work in our handbook
  • Influence the way we operate through our Sociocracy 3.0 decision-making process

Salary on a B2B contract:

  • 45-70 USD or 180-280 PLN per hour
  • Flexible work schedule (as measured with a time tracker)
  • We automatically adjust rates based on inflation twice a year

So, what do you think? You don't even need a CV, just click here and shoot a few quick commands to apply.

We're looking for someone with 5+ years of programming experience, including at least a year with Python (including opensource and significant personal projects).

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