Senior Python Developer

38 - 55 USDNet per hour - B2B
Python

Senior Python Developer

Python
Wólczańska 180, Łódź +4 Locations

Transition Technologies PSC

Full-time
B2B
Senior
Remote
38 - 55 USD
Net per hour - B2B

Job description

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;

Tech stack

    Polish

    C1

    English

    C1

    Polars

    advanced

    Kubernetes

    advanced

    Pandas

    advanced

    Python

    advanced

    GCP

    regular

Office location

Published: 29.10.2025

About the company

Transition Technologies PSC

Transition Technologies PSC is a dynamic, fully Polish-owned company with over 700 employees across five offices and a coworking space in Wrocław. Generating over 250 million in revenue, we focuse on customer satisfactio...

Company profile

Senior Python Developer

38 - 55 USDNet per hour - B2B
Summary of the offer

Senior Python Developer

Wólczańska 180, Łódź
Transition Technologies PSC
38 - 55 USDNet per hour - B2B
By applying, I consent to the processing of my personal data for the purpose of conducting the recruitment process. I agree to the processing of my personal data contained in my application documents by the company Transition Technologies PSC S.A. wi... MoreThis site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.