All Projects

Explore my portfolio of projects across software development, systems, data engineering, and business intelligence.

NoSQL Database Performance Comparison: MongoDB vs Apache Cassandra

NoSQL Database Performance Comparison: MongoDB vs Apache Cassandra

Diploma thesis benchmarking MongoDB vs Apache Cassandra on 50M records across three-node Docker clusters, using YCSB and custom Python tests.

MongoDBApache CassandraDockerLinuxPythonYCSB
ESP32 Wi-Fi CSI + Audio Streaming Pipeline

ESP32 Wi-Fi CSI + Audio Streaming Pipeline

Real-time embedded data pipeline streaming Wi-Fi CSI and audio from an ESP32-S3 through a Raspberry Pi asyncio fan-out hub to an in-browser DSP client, with a hand-rolled binary protocol and drop-oldest backpressure end to end.

C++ESP32-S3 / FreeRTOSPython (asyncio/aiohttp)WebSockets & UDPRaspberry PiJavaScript (Canvas/WebAudio)
SRS Allocator

SRS Allocator

Secure Redis memory allocator in Ada/SPARK with formal proofs for bounded allocations and deterministic zeroization.

AdaSPARKRedisGNATprove
Flow – Minimal Task & Project Manager

Flow – Minimal Task & Project Manager

Minimalist task and project management app with modern UI style.

Application Structure Lead

Next.js 13+TypeScriptJavaReactSpringbootSpring Data JPAPostgreSQLH2REST API
Złote Myśli – Quote Sharing Platform

Złote Myśli – Quote Sharing Platform

Full-stack quote sharing platform (PHP + SQL Server) with a 13-table relational schema, user accounts, likes, comments, collections, and an admin moderation panel.

Database & Backend Developer

PHPMicrosoft SQL ServerJavaScript (jQuery, AJAX)Tailwind CSSBootstrap
Warehouse Management System with FIFO/FEFO Batch Rotation

Warehouse Management System with FIFO/FEFO Batch Rotation

Microsoft SQL Server inventory system for food wholesale using FIFO/FEFO batch rotation, an append-only movement ledger, set-based window-function allocation with pessimistic locking, and immutable trigger-enforced history. Deployed with Docker Compose over ~75,000 seeded records.

Microsoft SQL Server 2019T-SQLDockerDocker Compose
Accounting Semi-Automated Pipeline for Power BI

Accounting Semi-Automated Pipeline for Power BI

BI-oriented data transformation, focused on changing accounting data from complex raw text-based source into a machine readable csv format.

Power BIDAXPower Query
Model Finance

Model Finance

Python desktop quant terminal with GARCH risk, Almgren-Chriss execution, VPIN microstructure, Heston simulations, and AI forecasting modules.

PythonTkinterNumPy & Pandasscikit-learnQuant Models (GARCH/Heston/VPIN)
Wine classification

Wine classification

Wine classification that uses a neural network and traditional machine learning models to classify wines into different quality classes (~70% accuracy).

ETL & Neural Network Developer

PythonTensorFlowKerasSkLearnPandasSeabornNumpyMatplotlib
Universe Simulation

Universe Simulation

A procedural universe simulation where AI-controlled agents survive, explore, and migrate between planets in dynamic environments.

PythonScikit-learnPandasNumPyMultiprocessing
Neural Simulation

Neural Simulation

Real-time spherical neural network simulation with interactive neurons, activation propagation, and cognitive UI overlays.

PythonNumpyPygame
Accentuate

Accentuate

Native macOS keyboard input source that transforms text as you type using selectable SS13-style accent profiles, including Swedish, British, and Scottish.

SwiftmacOSInput Method Kit
Plate Scanner App

Plate Scanner App

Android license-plate scanner with camera OCR, duplicate detection, and timestamped history stored locally in SQLite.

React NativeTypeScriptML Kit OCRSQLiteGitHub Actions

© Portfolio by Mirosław Bober

2026