Selected works

Project Portfolio

We don't show portfolios. We show real cases: complex problems, lasting solutions, and the reasoning that led from one to the other.

Technology theme

All AI Automotive Backend Desktop Embedded IoT

Sector

Agriculture Ai Automotive Industrial Scientific Smart-Metering Vending

Automotive · Embedded · Backend

Multi-Brand Fleet Management System

Complete fleet management system with real-time telemetry, vehicle diagnostics, and digital tachograph download. Multi-tenant Django backend, Java ARM firmware, managing 500+ vehicles.

Django 2.1-5.1 Java 8 BuildRoot Linux CAN bus K-Line ISO 9141-2 FMS

Client Multiprotexion

Period 2017–2020

Sector Automotive

Automotive · Embedded

Siak - BLE/WiFi Automotive Gateway

Embedded gateway for vehicle diagnostics via Bluetooth/WiFi. C firmware on dual-core RP2040 with FOTA bootloader, K-Line protocol, HMAC-SHA256 authentication, multi-peer routing.

C ARM RP2040 BLE BTstack WiFi lwIP K-Line ISO 9141-2 FOTA

Client Bluenso

Period 2020–2024

Sector Automotive

Iot · Desktop

SMTS - DLMS/COSEM Gas Meter Testing System

Portable C library and Qt5 GUI for smart gas meter testing per UNI TS 11291 standard. DLMS/COSEM support, wMBUS, AES-128-GCM encryption, 111 test cases, YubiKey HSM.

C Qt5 DLMS/COSEM IEC 62056-53 wMBUS HDLC AES-128-GCM

Client SMTS (Zenatek)

Period 2015–2019

Sector Smart-Metering

Desktop

FarmManager - Agricultural Management Desktop Application

Qt desktop application for recipe, ingredient, and weighing management in agriculture/feed mills. 14 languages, FTP/GSM/RF sync, PDF reporting, 150K LOC, FTDI USB hardware.

Qt5 C++11 SQLite QextSerialPort FTP GSM

Client Label

Period 2015–2018

Sector Agriculture

Embedded · Backend

Zenatek Rhea - Vending Machine Firmware

Embedded firmware for vending machines on Fujitsu MB96346RS. MDB, Executive, DEX/UCS, DDCMP protocols. Django backend for remote management. 20+ configurations, 7 languages, ~500K LOC.

C Assembler Fujitsu MB96346RS MDB Executive DEX/UCS

Client Zenatek

Period 2017–2019

Sector Vending

Embedded · Iot · Automotive

MAReS - Multi-Protocol Automotive I/O Expansion

Programmable I/O expansion system for automotive and industrial IoT. ESP32-S3 custom board with 6 ADC 0-10V, 2 relays, 8 opto-isolated digital inputs, 2 RS-232 ports. Runtime-configurable rule engine, peer-to-peer architecture with FreeRTOS.

C++ ESP-IDF FreeRTOS ESP32-S3 RS-232 ADC

Client Bluenso

Period 2024–present

Sector Automotive

AI Multi-Agent Systems with LangGraph

Multi-agent AI systems for financial advisory, job scouting, smart home assistants. LangGraph orchestration, RAG, YOLO11 computer vision, Whisper speech recognition, Claude Sonnet 4.5, GPT-4.

Python LangGraph Claude Sonnet 4.5 GPT-4o YOLO11 ByteTrack

Client Bluenso

Period 2024–2026

Sector Ai

Desktop

Gibertini - Scientific Tensiometer Qt

Qt5 desktop application for scientific tensiometer. Serial data acquisition, real-time QCustomPlot graphs, surface tension calculation with OLS regression, PDF export, SQLite database.

Qt5 C++11 QCustomPlot QtSerialPort SQLite QPrinter

Client Gibertini Elettronica

Period 2013–2015

Sector Scientific

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