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Lead Full-Stack Software Engineer (Python + Pandas)
  • Warszawa
Lead Full-Stack Software Engineer (Python + Pandas)
Warszawa, Warszawa, mazowieckie, Polska
Square One Resources Sp. z o.o.
5. 7. 2025
Informacje o stanowisku

You will work within a modern technology environment and contribute to the development of scalable data-driven applications while leading a skilled engineering team.

Lead Full-Stack Software Engineer (Python + Pandas)



Your responsibilities

  • Design, develop, and maintain high-performance Python-based applications
  • Enforce development best practices and maintain high code quality across the project
  • Conduct code reviews and provide technical guidance to the development team
  • Collaborate closely with other engineers and cross-functional teams
  • Serve as a key point of contact for the client, ensuring clear communication and expectation alignment
  • Drive continuous improvement in performance, scalability, and reliability of solutions
  • Create and maintain technical documentation for code, architecture, and workflows
  • Mentor junior developers and support their technical growth

Our requirements

  • 7+ years of hands-on experience in Python development
  • Strong proficiency in FastAPI and Pydantic
  • Deep knowledge of Pandas or Polars for data manipulation
  • Experience with asynchronous programming using asyncio
  • Familiarity with various data formats and structures (e.g. MongoDB, Parquet, Delta Tables)
  • Proven experience in data processing and transformation pipelines
  • Solid analytical and problem-solving skills
  • Ability to self-manage, structure tasks, and deliver under tight deadlines
  • Experience with Azure Cloud and its components (Service Bus, Data Lake, Blob Storage, Redis)
  • Familiarity with Databricks, Spark, PySpark
  • Knowledge of containerization tools (Docker, Kubernetes)
  • Understanding of microservices architecture

What we offer

  • Remote work
  • B2B Contract – flexible collaboration, straightforward settlements.
  • Long-Term Cooperation – we offer long-lasting projects, and once they end, we strive to find new ones that suit your skill set.

 

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