What I Do

My Work

Tailored solutions for individuals, professionals and companies. Thirty years of hands-on experience.

Linux / Windows Systems

Servers, Networks, Virtualization, Maintenance

Complete management of IT infrastructures for both Linux and Windows Server. From initial setup to routine and extraordinary maintenance.

  • Linux server installation and configuration (Debian, Ubuntu, CentOS)
  • Windows Server: AD, DNS, DHCP, File Server, RDS
  • Proxmox VE, VMware, Hyper-V virtualization
  • LAN/WAN, VLAN, pfSense/OPNsense firewall setup
  • WireGuard and OpenVPN
  • Synology/TrueNAS NAS: storage and backup
  • Monitoring with Zabbix, Grafana, Prometheus
  • Nextcloud, web services, Nginx reverse proxy

Firmware & Embedded Systems

ESP32, IoT, MQTT, OTA, Sensors

Professional firmware development for ESP32 microcontrollers and embedded systems. Complete IoT solutions from hardware to cloud.

  • ESP32 / ESP8266 firmware in C/C++ with Arduino/ESP-IDF
  • IoT protocols: MQTT, HTTP REST, WebSocket
  • Secure OTA (Over-The-Air) updates
  • Sensor management: temperature, humidity, CO2, GPIO
  • LoRa / LoRaWAN communication for long-range IoT
  • OLED/TFT displays, SPI/I2C/UART interfaces
  • Home Automation with Home Assistant and ESPHome
  • Dashboards and PWA for IoT data visualization

Hardware & Electronics

PCB Design, Prototyping, Repair

Custom electronic circuit design, rapid prototyping and component-level repair of electronic equipment.

  • Electronic schematic design (KiCad, Eagle)
  • Single and multi-layer PCB layout
  • Rapid prototyping and functional testing
  • Motherboard, PSU and peripheral repair
  • SMD and PTH soldering, BGA rework
  • Power supply and battery management systems
  • Industrial automation and custom control systems
  • Diagnostics with oscilloscope and logic analyser

IT Consulting

Support, Training, Analysis

Qualified technical support for individuals and companies, from solving everyday issues to planning complex infrastructures.

  • Remote and on-site technical support
  • IT infrastructure audit and analysis
  • Data and system migration
  • Linux, Windows, Office user training
  • Cybersecurity and system hardening
  • Disaster recovery and business continuity planning
  • Hardware/software procurement management
  • Technical assistance for individuals and SMEs
Methodology

How I Work

01
Analysis

I listen to your needs, analyse the technical context and identify the best solution.

02
Proposal

I prepare a detailed technical proposal with clear timelines and transparent costs.

03
Development

I develop and implement the solution with maximum attention to quality and security.

04
Test & Delivery

In-depth testing, documentation and training. Post-delivery support included.

Request a Free Quote

Describe your project or issue and I will reply within 24 hours with a tailored solution.