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Senior Python Developer for trading app @ Zennbot
  • Warsaw
Senior Python Developer for trading app @ Zennbot
Warszawa, Warsaw, Masovian Voivodeship, Polska
Zennbot
15. 1. 2026
Informacje o stanowisku

Remote — B2B - 20k-30k PLN/month — Start ASAP

Were a bootstrapped B2C finance startup with 1000+ paying users and growing fast. We’re expanding our automated trading app to support building and running custom trading algorithms. We’re looking for a senior Python developer with a strong interest in trading and quantitative systems. You’ll work closely with the founder/CTO to design and build the new backend from scratch.

Offer

  • ~43 USD/h — B2B Contract
  • Fully remote, async-first
  • Flexible schedule (set your own hours) - part-time possible
  • Work with a small, focused team
  • Tons of ownership and say in product direction

Sounds good?
Send over your portfolio or a project youre proud of!


  • Advanced Python experience
  • Shipped and operated backend systems at scale
  • Strong experience with NumPy, pandas, and efficient data handling
  • Comfortable with DevOps and building CI/CD pipelines
  • Able to reason about concurrency, async code, and background processing
  • Experience with python trading, backtesting and optimization libraries
  • Familiar with trading and market concepts
  • Some experience with MQL, Pinescript, TradingView or similar
  • Experience with Django, Celery, Postgres, Elasticsearch is a plus
  • Values testing, documentation, and code quality, practices TDD
  • Very comfortable with the terminal, Git, and GitHub
  • You want to set your own hours and have zero weekly meetings
  • Communicate clearly in English

Remote — B2B - 20k-30k PLN/month — Start ASAP

Were a bootstrapped B2C finance startup with 1000+ paying users and growing fast. We’re expanding our automated trading app to support building and running custom trading algorithms. We’re looking for a senior Python developer with a strong interest in trading and quantitative systems. You’ll work closely with the founder/CTO to design and build the new backend from scratch.

Offer

  • ~43 USD/h — B2B Contract
  • Fully remote, async-first
  • Flexible schedule (set your own hours) - part-time possible
  • Work with a small, focused team
  • Tons of ownership and say in product direction

Sounds good?
Send over your portfolio or a project youre proud of!

,[Build and ship the backend of our trading app from scratch in Python, Design and implement core trading logic, data pipelines, and APIs, Work with real market and trading data, focusing on correctness and performance, Write unit tests and documentation to keep the system reliable and maintainable, Work fully async on Slack + GitHub, no pointless meetings, only written status updates, Own the backend end to end, from data ingestion to production reliability Requirements: Python, REST API, PostgreSQL, Elasticsearch, pandas, NumPy, GitHub, CI/CD, AWS, Celery, Django, Pinescript, MQL, Quantitative research Tools: Github, GitHub, GIT, Agile, Kanban. Additionally: Flat structure, Small teams, New project, No legacy code.

  • Praca Warszawa
  • Warszawa - Oferty pracy w okolicznych lokalizacjach


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