Open Source Maintainer | Django Expert | Remote Freelancer
Building robust backend systems and maintaining widely-used open-source projects
I'm a senior Python backend developer specializing in scalable web applications and RESTful APIs. As the maintainer of several prominent open-source projects including Django Mezzanine CMS and Cartridge e-commerce platform, I bring deep expertise in backend architecture, API design, and database systems.
Based in the Carpathian Mountains of Poland, I work remotely with clients worldwide. My primary focus is backend development with Python (Django, Flask, Morepath), though I'm also comfortable with frontend technologies when projects require full-stack involvement. I specialize in clean API architecture, database design, and maintainable code.
As a maintainer of widely-used open-source projects, I contribute to the Python and web development ecosystem:
Maintainer of this popular Django-based content management system. Mezzanine is used by thousands of websites worldwide and provides a flexible, powerful CMS solution built on Django.
Maintainer of Cartridge, a Django/Mezzanine-based e-commerce platform. Provides full shopping cart and payment integration capabilities for online stores.
Maintainer of Morepath, a Python web framework with automatic URL routing and a powerful model-driven design philosophy. Includes maintenance of related tools and ecosystem.
Maintainer of Overmind, a state management library for TypeScript/React applications. Provides intuitive and type-safe state management solutions.
Comfortable with frontend when needed, but backend is my primary focus.
Multiple Projects | 2000s - Present
Various Projects | Throughout Career
I'm actively developing commercial applications that showcase my full-stack capabilities and production-ready code:
A multi-tenant e-commerce platform where individual artists can create their own shops and sell products. Features include shop management, product listings, payment integration, and order processing.
Workflow management application for car washing and servicing businesses. Handles appointment scheduling, service tracking, customer management, and business operations optimization.
Technical Approach: Both projects demonstrate my expertise in building RESTful APIs with clean separation between backend and frontend. The backend (Morepath + PonyORM) handles business logic and data persistence with PostgreSQL, while the React frontend with Overmind provides a responsive, type-safe user interface.
Building robust, scalable backend systems using Python and Django. RESTful API design, database architecture, and integration services.
Django application development, Mezzanine CMS customization, Cartridge e-commerce implementation, and Django consulting.
Design and implementation of RESTful APIs with clean architecture. Experience with both Django and Morepath frameworks. Database modeling and PostgreSQL optimization.
Complete application development from database design to React frontend. Specializing in backend-frontend separation with modern state management.
I'm available for remote freelance projects, both short-term and long-term contracts. I work with clients worldwide from my location in Poland (CEST timezone).
Contract Type: I work under "umowa o dzieło" (work-for-hire contracts) including copyright transfer, suitable for both Polish and international clients.