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September 5, 2026

Senior Python Developer

Senior • On-site

Krakow, MA, Poland

We are seeking a Senior Python Developer to design and build robust software solutions, applying strong analytical and programming expertise to support quantitative and data-driven projects.

Responsibilities

  • Develop software solutions using Python and object-oriented programming principles.
  • Apply classic data structures and computer algorithms to solve complex problems.
  • Utilize mathematical, quantitative, and optimization techniques for data analysis.
  • Contribute to quantitative or data analytic projects such as computer simulation, numeric computation, or mathematical modeling.
  • Work with data analytical libraries to process and analyze large datasets.
  • Maintain a strong focus on detail and accuracy throughout the development lifecycle.
  • Operate autonomously while managing tasks and priorities effectively.
  • Participate in Agile development processes and collaborate with cross-functional teams.

Requirements

  • 5+ years of experience in software development using Python and Java or C++.
  • Knowledge of classic data structures and computer algorithms.
  • Background in mathematical, quantitative, optimization, and data analysis techniques.
  • Experience in quantitative or data analytic projects, including computer simulation, numeric computation, mathematical modeling, or statistical analysis.
  • Familiarity with data analytical libraries such as Pandas and NumPy.
  • Undergraduate degree in Computer Science, Mathematics, Engineering, or a related discipline.
  • Experience working in Agile environments.
  • Capability to work autonomously with strong attention to detail.
  • English proficiency at B2 level or higher.

Nice to Have

  • Knowledge of Investment Management.
  • Experience in the Investment Management industry.

We Offer

  • Hybrid work model and opportunity to work remotely within Poland.
  • Opportunity to work abroad for up to 60 days annually.
  • Business-driven relocation opportunities.
  • Career development programs, thought leadership, mentoring, soft-skills, and well-being programs.
  • Certification opportunities in Anthropic, Gemini, GCP, Azure, and AWS.
  • English classes.
  • Stable pay.
  • Participation in the Employee Stock Purchase Plan with a 15% discount.
  • Benefits package, including health insurance, multisport, and shopping vouchers.
  • Referral bonuses up to $2,000.
  • Offices with entertainment and relaxation zones, table tennis, football, free snacks, coffee, and more.
  • Corporate, social, and well-being events.

Please Note

  • Listed benefits are available to employees only.
  • Contractor arrangements are available; B2B cooperation terms are agreed individually.
  • Only selected candidates will be contacted.

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