Senior Software Developer (Python/Go + Data)

Python

Senior Software Developer (Python/Go + Data)

Python

Wólczańska 180, Łódź +4 Locations

Transition Technologies PSC

Full-time
Any
Senior
Remote

Tech stack

    Polish

    C1

    English

    C1

    Python

    advanced

    Golang

    advanced

    Ray.io

    nice to have

    getdaft.io

    nice to have

Job description

Responsibilities:

  • You enjoy architecting, designing, and developing robust, scalable software solutions for the analytics platform.

  • You collaborate well in cross-functional teams to define, design, and implement new features.

  • You excel at optimize and enhance existing software for improved performance and scalability.

  • You thrive on diagnosing and resolving complex software defects and issues.

  • You provide technical leadership and mentorship to junior developers, promoting best practices and continuous learning. 

  • You constantly remain at the forefront of technological advancements to drive innovation and efficiency in every project that you participate in.


Requirements:

  • A Bachelor's or master’s degree in computer science, Software Engineering, or a related field.

  • Extensive professional experience in software development, with a focus on backend services or analytics platforms

  • Proficiency in either Python or Golang. Other languages are considered an asset.


Nice to have:

  • Proficiency in Apache Spark for distributed data processing and analytics.

  • Experience with Ray.io for scalable, distributed computing frameworks.

  • Familiarity with Daft (getdaft.io) for managing complex data workflows.

  • Expertise in building high-performance APIs using FastAPI.

  • Strong analytical skills using data manipulation libraries such as Pandas or Polars.


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;

Published: 16.09.2025

Meet 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 satisfaction, trust, respect, innovation, and agile service. The company offers a supportive, flexible work environment with benefits like health support, professional courses, and team events, emphasizing a human-centered approach and win-win relationships. We specialize in delivering high-value, innovative technology solutions.

Company profile

Senior Software Developer (Python/Go + Data)

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Senior Software Developer (Python/Go + Data)

Wólczańska 180, Łódź

Transition Technologies PSC

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