Senior Python Developer - Freelance

Posted Yesterday
Be an Early Applicant
Hiring Remotely in Poland
Remote
139-139 Hourly
Senior level
Information Technology • Software • Design
The Role
The Senior Python Engineer will develop backend solutions using Python and Django, focusing on data processing, SQL performance, and cloud infrastructure in Azure. Requires expertise in type safety, testing practices, and experience with specific data processing tools.
Summary Generated by Built In

Netguru is a trusted partner in digital commerce. The company helps leading brands modernize B2B solutions, marketplaces, and retail ecosystems. Since 2008, it has empowered businesses with cutting-edge technology, AI-powered personalization, and world-class engineering and design teams. A certified B Corporation®, Netguru is trusted by major brands including IKEA, VW, OLX, Delivery Hero, Żabka, Wolt, Careem, and Vinted.

How freelancing works at Netguru?

As a Netguru freelancer, you can choose what works well for you. You decide when, where, and how you work on projects and tasks.
We match you with work that fits your skills. Plus, you have access to various opportunities across different industries and companies. That means you will not only gain more experience, but also develop various skills.

But there's more. Netguru freelancers can benefit from full-time collaboration and really be a part of the team.

So, are you ready to make an impact? Join Netguru, and let's build beautiful software together.

Currently we are looking for a Senior Python Developer.

  • Salary range:  up to 139 PLN/h
  • Contract: Freelance B2B
  • Start date: June 2026 
  • Engagement: fulltime, long-term
  • Location: Remote (based in European Union)
  • Polish language is a must-have

Role description: Senior-leaning backend role with a data-heavy twist. The ideal candidate is a disciplined Python engineer who takes type safety and test quality seriously, is comfortable in the Azure cloud, and can reason about SQL performance in a data warehouse context. Pure Django API experience alone is insufficient.


RequirementsMust-have:
  • Strong commercial experience with Python & Django backend development:
    • Python 3.13, with strict type annotations,
    • Django 6.x and Django.
  • REST Framework:
    • Models, ORM, custom management commands, admin customization, migrations,
    • Comfortable with async-flavored Django - the app uses Gunicorn + Gevent workers.
  • Data & SQL:
    • Experience with Snowflake,
    • Familiarity with PyPika or similar query builders,
    • Comfortable with Pandas and NumPy for data processing and report generation,
    • Solid SQL knowledge in general (subqueries, joins, aggregates, CTEs).
  • Cloud / Infrastructure:
    • Azure ecosystem: Azure Storage Blob, Azure AD / MSAL (OAuth2 flows), Azure Batch,
    • Understanding of OpenTelemetry and distributed tracing,
    • Docker & Docker-compose for local development and CI.
  • Quality & Tooling:
    • Strong discipline around testing - Pytest,
    • Experience with Ruff and pre-commit hooks .
  • Soft Skills & Working Style:
    • Comfortable working in Polish,
    • Disciplined about ADR (Architecture Decision Records),
    • Strong code review culture,
    • Comfortable with legacy context.
Nice to have:
  • Domain Knowledge: Retail analytics / BI domain.
  • Familiarity with data warehouse concepts (fact tables, dimension tables, materialized aggregates).
  • Experience integrating Azure AD SSO into Django apps + Experience building multi-tenant analytics APIs.
  • Understanding query cost in Snowflake.

BenefitsIn return, we offer:
  • 100% remote, flexible work.
  • Work with an experienced team of developers and continuous development of your hard and soft skills.
  • Dev-friendly processes such as Continuous Integration, Continuous Delivery, Code Review and bug bashes.
  • Long-term collaboration on challenging products (FinTech, B2B software, E-commerce and more).

Don't hesitate and apply right away!

At Netguru, we're committed to creating an inclusive environment for everyone. If you require any disability-related adaptations during the recruitment process, please let us know. We're here to help!

Skills Required

  • Strong commercial experience with Python & Django backend development
  • Experience with REST Framework
  • Experience with Snowflake and SQL knowledge
  • Familiarity with Docker and Azure ecosystem
  • Strong discipline around testing - Pytest
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The Company
HQ: Poznań
501 Employees
Year Founded: 2008

What We Do

Netguru is a digital acceleration consultancy founded in 2008. Netguru builds digital products that let people do things differently – offering digital acceleration tools, resources and know-how to companies of all shapes and sizes – to make beautifully designed digital products in a way that’s fast and fits their needs. Netguru provides consulting services in product development, creating software solutions, and product design. Since our founding in 2008, our team has completed more than 1000 projects and has 500+ people on board working from all over the world. Currently, Netguru collaborates with the largest brands in the world, such as UBS, Merck, Volkswagen, IKEA, and Keller Williams, as well as fast-growing innovators in the financial (Solaris), education (Babbel) or robotics (Temi) industries. Netguru has been recognized as one of the fastest-growing companies in Europe. Our company was featured in the prestigious Deloitte’s Technology Fast 50 (four times) and in The FT 1000 list in 2017, 2018, 2019, and 2022. We're a certified B Corporation since 2020. Netguru was also recognized among the Best Workplaces, Poland in the 2021 edition of the Great Place To Work® listing. Connect with us to keep up to date with news from Netguru and follow the latest trends in our industry.

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