Senior Python Engineer – Freelance

📋 Description

• As a freelancer at Netguru, you have the flexibility to choose what suits you best.

• You have the autonomy to determine when, where, and how you engage with projects and tasks.

• We align you with assignments that match your expertise.

• Additionally, you gain access to a variety of opportunities across multiple industries and organizations.

• This not only allows you to accumulate more experience but also helps you enhance a diverse skill set.

• Furthermore, Netguru freelancers can enjoy the benefits of full-time collaboration, truly becoming an integral part of the team.

• We are currently in search of a Senior Python Developer.

⛳️ Requirements

• Extensive commercial experience with **Python & Django backend development**:

• Proficiency in Python 3.13, utilizing strict type annotations,

• Familiarity with Django 6.x and Django.

• REST Framework expertise:

• Experience with models, ORM, custom management commands, admin customization, and migrations,

• Comfortable with async-flavored Django as the application uses Gunicorn + Gevent workers.

• Data & SQL skills:

• Experience with **Snowflake**,

• Knowledge of **PyPika** or similar query builders,

• Proficiency with **Pandas** and **NumPy** for data processing and report generation,

• Strong general **SQL** knowledge including subqueries, joins, aggregates, and CTEs.

• Cloud / Infrastructure familiarity:

• Experience with the **Azure ecosystem**: Azure Storage Blob, Azure AD / MSAL (OAuth2 flows), Azure Batch,

• Understanding of OpenTelemetry and distributed tracing,

• Proficiency in **Docker** & Docker-compose for local development and CI.

• Quality & Tooling:

• Strong commitment to testing - **Pytest**,

• Experience with Ruff and pre-commit hooks.

• Soft Skills & Working Style:

• **Comfortable working in Polish**,

• Disciplined approach to ADR (Architecture Decision Records),

• Strong culture of code review,

• Comfortable working within a legacy context.

• Bonus: Domain Knowledge in Retail analytics / BI domain.

• Familiarity with data warehouse concepts (fact tables, dimension tables, materialized aggregates).

• Experience in integrating Azure AD SSO into Django apps and building multi-tenant analytics APIs.

• Understanding of query costs in Snowflake.

🏝️ Benefits

• Fully remote and flexible working conditions.

• Collaborate with an experienced team of developers while continuously enhancing your hard and soft skills.

• Developer-friendly processes including Continuous Integration, Continuous Delivery, Code Review, and bug bashes.

• Long-term collaboration on challenging products in sectors like FinTech, B2B software, E-commerce, and more.