Senior Python Developer - Freelance

Description

the company 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®, the company is trusted by major brands including IKEA, VW, OLX, Delivery Hero, Żabka, Wolt, Careem, and Vinted.

How freelancing works at the company?

As a , 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. the company freelancers can benefit from full-time collaboration and really be a part of the team.

So, are you ready to make an impact? Join the company, 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

Responsibilities

• Develop and maintain backend services in Python within a microservices architecture.

• Work with the Microsoft Azure cloud platform.

• Optimize the performance and reliability of backend systems.

• Participate in code reviews and collaborate with the development team.

Requirements

Requirements

• Experience developing APIs using FastAPI.

• Hands-on experience with Azure (particularly Azure Functions and Azure Service Bus), Docker, SQL and NoSQL databases, and message queueing systems.

• Knowledge of microservices architecture and event-driven systems.

• Understanding of CI/CD processes and practical experience implementing them.

• Strong software testing skills (unit and integration testing) and experience with Pytest.

• Knowledge of API security principles, including OAuth2 and JWT.

• Ability to work in a production environment and troubleshoot/analyze system issues.

• Polish language at C2 (native) level and English language at B2+/C1 level.

Benefits

In 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 the company, 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!