Senior Software Engineer (Python)

Poland

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Job Post ID: 5640115004

Why Join Exadel

We’re an AI-first global tech company with 25+ years of engineering leadership, 2,000+ team members, and 500+ active projects powering Fortune 500 clients, including HBO, Microsoft, Google, and Starbucks.

From AI platforms to digital transformation, we partner with enterprise leaders to build what’s next.

What powers it all? Our people are ambitious, collaborative, and constantly evolving.

About the Client

Leading technology provider to the traditional and new energies industry, delivering fully integrated projects, products, and services. With a strong commitment to transforming project economics, the Customer empowers clients to tap into new energy resources while making strides in reducing carbon emissions. Their innovative approaches support ambitious energy transition goals, showcasing a dedication to sustainability.

What You’ll Do

  • Write clean and maintainable Python code using PEP guidelines
  • Build and maintain software packages for scientific computing
  • Build and maintain command line interfaces (CLIs)
  • Build and maintain web applications and dashboards
  • Design and implement data analysis pipelines
  • Create and maintain database schemas and queries
  • Optimise code performance and scalability
  • Develop and maintain automated tests to validate software
  • Contribute and adhere to team software development practices, e.g., Agile product management, source code version control, continuous integration/deployment (CI/CD)
  • Build and maintain machine learning models (appreciated, but not a prerequisite)

What You Bring

  • 5+ years of professional experience in Python
  • Bachelor’s or Master’s in CS, Data Science, or related field
  • Strong Python and SQL skills; experience with NumPy, Pandas, SciPy
  • Experience with web apps/dashboards: Streamlit, Dash, Flask
  • Familiarity with Data visualization: Matplotlib, Seaborn, Plotly
  • Familiarity with Git, CI/CD (Azure Pipelines, GitHub Actions, Docker)
  • Experience with writing automated tests with pytest
  • Experience with building CLIs using Click or Argparse
  • Experience in database design and query optimization: PostgreSQL, Snowflake, SQLite, HDF5
  • Knowledge of code performance and scalability tools (Numba, Dask)
  • Agile development experience

Nice to Have

  • Experience in machine learning model development
  • Background in the energy, engineering, or manufacturing sectors
  • Familiarity with data security, compliance, and metadata management

English level

Upper-Intermediate

Legal & Hiring Information

  • Exadel is proud to be an Equal Opportunity Employer committed to inclusion across minority, gender identity, sexual orientation, disability, age, and more
  • Reasonable accommodations are available to enable individuals with disabilities to perform essential functions
  • Please note: this job description is not exhaustive. Duties and responsibilities may evolve based on business needs

Your Benefits at Exadel 

Exadel benefits vary by location and contract type. Your recruiter will fill you in on the details.

  • International projects
  • In-office, hybrid, or remote flexibility
  • Medical healthcare
  • Recognition program
  • Ongoing learning & reimbursement 
  • Well-being program
  • Team events & local benefits 
  • Sports compensation 
  • Referral bonuses 
  • Top-tier equipment provision

Exadel Culture

We lead with trust, respect, and purpose. We believe in open dialogue, creative freedom, and mentorship that helps you grow, lead, and make a real difference. Ours is a culture where ideas are challenged, voices are heard, and your impact matters.

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