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December 17, 2025

Senior Python Developer

Senior • Remote

$140 - $230/

Łódź, Poland

Responsibilities

  • Implement and maintain scalable backend services and platform components for the analytics platform based on existing architecture.

  • Collaborate with cross-functional teams and maintain direct communication with clients to deliver new features and resolve issues.

  • Ensure high-quality, stable solutions, including in situations requiring rapid response.

  • Diagnose and resolve complex technical problems, including critical issues under time pressure.

  • Share knowledge and best practices within an experienced team, fostering a culture of continuous improvement.

  • Stay current with emerging technologies to drive innovation and efficiency.


Requirements

  • Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field.

  • 5+ years of professional experience in software development, with a focus on backend services or analytics platforms.

  • Strong proficiency in Python.

  • Solid understanding of software architecture, scalability, and distributed systems.

  • Experience with data manipulation libraries such as Pandas or Polars.

  • Familiarity with cloud-based environments (e.g., GCP) and container orchestration tools like Kubernetes or Docker Swarm.

  • Knowledge of FastAPI or similar frameworks for building high-performance APIs is an asset.

  • Experience with Apache Spark, Ray.io, or Daft (getdaft.io) is considered an advantage.


What can we offer:

  • Flexible forms of employment and working hours (CoE or B2B)

  • An interesting, challenging job in the dynamically developing Capital Group company;

  • Work on innovative projects using modern technologies;

  • Direct impact on shaping the image of the Capital Group's companies on the market;

  • Possibility to develop competences in a wide range;

  • Attractive salary;

  • Stability of employment and a friendly work atmosphere;

  • Cool benefits, among others integration meetings, internal company competitions, fruit Tuesdays, sweet Thursdays and much more;