.
Python Developer with React – pharmaceutical industry (f/m/x)
  • Kraków
Python Developer with React – pharmaceutical industry (f/m/x)
Kraków, Kraków, Lesser Poland Voivodeship, Polska
Sii Sp. z o.o.
27. 3. 2026
Informacje o stanowisku

technologies-expected :


  • Python
  • AWS
  • React.js
  • Apache Spark

about-project :


  • Join our team working on projects of one of the largest pharmaceutical companies in the world and have a real impact on the lives and health of more than 15 million patients!
  • We are looking for a Full-stack Developer with strong Python and React skills and cloud experience (AWS/GCP), who understands DevOps principles and can work in agile teams.

responsibilities :


  • Design and implement full-stack features in a high-impact, production-grade environment
  • Collaborate with AI researchers and product teams to evaluate and improve generative AI models
  • Build scalable systems for data collection, visualization, and analysis
  • Optimize the performance of web applications handling high user traffic
  • Contribute to code quality through reviews, testing, and documentation
  • Write clean, maintainable, documented code using best engineering practices in the industry (design patterns, test-driven development (TDD), peer review, continuous improvement (CI), automated testing, etc.)

requirements-expected :


  • Minimum 5 years of experience in developing, testing, maintaining, and documenting applications in Python 3, SQL, Pandas, Apps Script (optional) and AWS/GCP
  • Familiarity with REST API Access, databases, and data modelling
  • Strong proficiency in building and customizing applications using the AppSheet platform: configuring workflows, rules, and expressions
  • Understanding of type hints, TDD (pytest, monkey patching), and high-performance code
  • Hands-on experience with DevOps practices; CI using GitHub Actions/GitLab Runners, CD using Docker containers on horizontally scalable k8s environments.
  • Fluency in Polish and English languages
  • Residing in Poland required

offered :


  • 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
  • Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
  • We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
  • Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
  • Comfortable workplace – class A offices or remote work
  • Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
  • PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
  • Investment in your growth – meetups, webinars, training platform and technology blog – you choose
  • Fantastic atmosphere created by all Sii Power People

  • Praca Kraków
  • Kraków - Oferty pracy w okolicznych lokalizacjach


    113 343
    16 992