Possible locations
  • Bialystok
  • Bydgoszcz
  • Cracow
  • Czestochowa
  • Gdansk
  • Gliwice
  • Katowice
  • Lodz
  • Lublin
  • Pila
  • Poznan
  • Rzeszow
  • Szczecin
  • Torun
  • Warsaw
  • Wroclaw
  • Remote work
Technologies & tools

Must have:

  • Python
  • SQL
  • Django

Nice-to-have:

  • Java
  • REST

We are seeking an experienced Python developer to join our team. The ideal candidate will have a strong background in backend development, with a focus on data-centric architecture and custom database solutions.

Your role

  • Develop and maintain Python-based applications
  • Work with our custom database and query language based on Django
  • Expand and optimize existing backend functionality
  • Implement and work with DAOs (Data Access Objects) and service layers
  • Contribute to projects utilizing Data-Centric Architecture
  • Collaborate with cross-functional teams to gather requirements and design scalable solutions
  • Conduct code reviews and provide constructive feedback to team members
  • Write and maintain comprehensive unit tests to ensure code quality and functionality

Your skills
  • Strong proficiency in Python 3.x
  • Extensive experience with SQL and database technologies
  • Solid understanding of backend development principles
  • Experience with Django or similar web frameworks
  • Familiarity with DAOs and service layer patterns
  • Understanding of Data-Centric Architecture concepts
  • Ability to work with and extend custom database solutions
  • Good English skills

Optional:

  • Experience with Python 2.7 - not essential, but beneficial
  • Knowledge of Java/Jython - not essential, but beneficial
  • Previous work on projects involving custom query languages
  • Expertise in performance optimization for database operations
  • Proficiency in RESTful API design and implementation

Job no. 241023-G3OB0

Why Sii

Great Place to Work since 2015

it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas

Fascinating projects

prestigious brands from around the world, long-term contracts and preferred partner status for many clients

Project suited to you

Do you want to change your career path? Is your project coming to an end? We’ll find you a new one! We have an app for this – Job Changer

We share the profit with Workers

Last year we allocated PLN 2,1BN to this benefit

PLN 500 000 per year for your ideas

with this amount, we support the passions and voluntary actions of our workers

7 500 experts and many development opportunities

Tech Communities, workshops, a training platform, and a technology blog – you choose

Employment stability

revenue of EUR 480M, no debts, since 2006 on the market

Great, comfortable offices

perfect place to work, integrate, have fun together, and celebrate successes

Open-minded and available management team

quick decision-making, we’re all on a first-name basis

True values

these are not empty words – we’re guided by them every day

Fantastic atmosphere

created by all Sii Power People

Attractive benefits package

private healthcare, benefits cafeteria platform, car discounts and more

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