Backend Python Developer

Python

Backend Python Developer

Python
ul. Tadeusza Czackiego, Warszawa

Billennium

Full-time
B2B
Senior
Remote

Job description

Billennium is a global technology company with over 20 years of experience, committed to innovation and empowering businesses. As an employer, we offer a supportive, growth-focused environment where collaboration and creativity thrive. Join us to shape the future of technology together!

We are looking for a Python Backend Developer for our client — a global medical technology company focused on removing barriers for patients seeking treatment options.

What you will do:

  • Develop and maintain backend services and APIs using Python, FastAPI, and Pydantic.

  • Design scalable microservices and contribute to system architecture improvements.

  • Collaborate with Frontend, DevOps, and QA teams to deliver high‑quality product features.

  • Work with MySQL, including schema design, migrations, and query optimization.

  • Enhance system performance, reliability, security, and documentation.

What we are looking for:

  • Strong Python skills with solid OOP experience and proficiency in FastAPI and Pydantic.

  • At least 3 years of experience in backend development.

  • Hands‑on experience with relational databases, especially MySQL.

  • Familiarity with cloud platforms (AWS/Azure/GCP) and containerization (Docker/Kubernetes).

  • Strong problem‑solving abilities, teamwork skills and good command of English.

Perks and benefits:

  • Comprehensive benefits - enjoy Udemy for Business, private medical care, Multisport card, veterinary package, language lessons, and shopping vouchers.

  • Flexibility - adaptable working hours and remote/hybrid work options to suit your lifestyle & location.

  • Career growth - access opportunities for professional development and learning, including perks related to our official partnerships with global IT giants: Microsoft, AWS, Snowflake, Salesforce & more.

  • Global collaboration - work with a diverse, international team.

  • Innovative environment - be part of a forward-thinking and growth-oriented workplace.

  • Engaging community – Work with passionate professionals and participate in team-building events, hackathons, and CSR initiatives to make an impact beyond work.

  • Team-building events including our company tradition (annual company event in Mazury).

  • A pleasant surprise to start your journey with us in the form of a welcome pack.

Tech stack

    English

    C1

    Pydantic

    master

    OOP

    master

    MySQL

    master

    FAST API

    master

    Python

    master

    Cloud

    advanced

    Docker

    advanced

    Kubernetes

    advanced

Office location