Backend Developer

REDD - Real Estate Digital Data (Active, Commercial)

Backend Developer and DevOps on an award-winning PropTech platform (PropTech Festival 2025). Built and maintained scalable services with Python, Django, FastAPI, and PostgreSQL serving 100+ CRE companies across CEE. Owned backend architecture, deployment pipelines, and production infrastructure.

Backend Developer + DevOps

Python · Django · FastAPI · PostgreSQL

[Website]

Traditional Chinese Medicine Platform (Active, Commercial)

Sole Backend Developer and DevOps for a supplement e-commerce platform. Built the full backend with Python and Django, integrating wFirma (invoicing, SOAP), GLS and OrlenPaczka (logistics, REST) APIs. Implemented sales analysis dashboards and inventory management modules from scratch.

Backend Developer + DevOps

Python · Django · PostgreSQL · wFirma API · GLS API · OrlenPaczka API · SOAP · REST

SWARFARM (Maintenance, Gaming)

Took over and maintained the entire Summoners War assistant platform (frontend, backend, DevOps) solo from 2020 to 2024. Managed a codebase serving thousands of daily users, handled game update compatibility, server infrastructure, and community coordination. Currently in maintenance mode ensuring data integrity.

Full Stack Developer · 10.2020 - 09.2024

Python · Django · Django Template Language · PostgreSQL

[Website][Code]

Made2BM (Completed, Commercial)

Full Stack Developer on a portfolio site for a video editor. Built with Next.js frontend and Django backend, integrated YouTube API for automatic view count synchronization. Handled full project delivery from design implementation to deployment.

Full Stack Developer

Next.js · Django · PostgreSQL · YouTube API

[Website]

AI Integration - Google VertexAI (Completed, Commercial)

Full Stack Developer on an enterprise AI integration project. Built a Python/Django application leveraging Google VertexAI for AI-powered search and analysis of Excel data. Designed the processing pipeline, API layer, and result presentation interface.

Full Stack Developer

Python · Django · PostgreSQL · Google VertexAI

Betfair Trading Bot (Completed, Commercial)

Full Stack Developer on an automated trading system for Betfair. Built with Python and asyncio for real-time market data processing. Implemented greenbook and stop-loss strategies alongside machine learning models for trade decision-making. Integrated with Betfair API for live market operations.

Full Stack Developer

Python · asyncio · Betfair API · Machine Learning

SWStats (Completed, Gaming)

Full Stack Developer of a Summoners War analytics platform built with Python, Django, and React. Provided detailed statistics consumed by a Discord bot on the official game server. Designed the data pipeline, API layer, and React frontend. Project concluded after the game developer integrated similar features natively.

Full Stack Developer · 02.2020 - 04.2022

Python · Django · React · PostgreSQL

[Code]

Dixit Interactive (Completed, Gaming)

Full Stack Developer of a web-based Dixit card game implementation with real-time multiplayer gameplay. Built with Python/Flask backend and React frontend, using webhooks and asyncio for live game state synchronization between players.

Full Stack Developer

Python · Flask · React · Webhooks · asyncio

MojaCzytelnia (Completed, Personal)

Full Stack Developer of a reading tracker for books, manga, and anime with a user-generated stories platform. Built with Python, Django, and Django Template Language. Integrated MyAnimeList API for external content synchronization and user library management.

Full Stack Developer

Python · Django · Django Template Language · PostgreSQL · MyAnimeList API

Hide'n'Seek - Deep Reinforcement Learning (Completed, Education)

Engineering thesis: implemented deep reinforcement learning algorithms (DQN, PPO) for a hide-and-seek game simulation using Python and PyGame. Built the training infrastructure with PostgreSQL for experiment tracking and Docker for reproducible environments. Published at Silesian University of Technology.

Full Stack Developer · 10.2020 - 02.2021

Python · PyGame · PostgreSQL · Docker · Machine Learning

[Website][Code]

Familytree (Completed, Education)

University project: built a full-stack family tree application with Django REST Framework backend and React frontend. Implemented interactive tree visualization, member management CRUD operations, and relationship mapping with a clean API design.

Full Stack Developer

Python · Django · Django REST Framework · React

[Code]

n8n Automations (Completed, Automation)

Automation Developer building workflow automations on the n8n platform. Designed and implemented multi-step flows integrating various APIs and services for business process optimization and cross-system data synchronization.

Automation Developer

n8n · APIs · Workflows