Technologies:
C++, C#, IDE: Visual Studio 2010/2015/2017
Qt Framework 5.2.1/5.8.0/5.9.1/5.12.3
IoT: MQTT (Mosquitto and Paho libs.), Siemens MindSphere, Microsoft Azure IoT, Amazon AWS
MySQL, MS SQL, PostgreSQL, NoSQL: CouchDB and MongoDB
WPF (XAML)
REST, SSL (OpenSSL C++ Library), WSS, JSON, XML
OPC UA standards
SVN (TortoiseSVN), Git
Helix ALM (development approach Agile / SCRUM), GitLab
For testing: Python, Node JS (scripts), jsonium, JMeter, MQTTBox (applications)
Web Server: NGINX
Licensing SDK: LM-X from X-Formation
Concepts: Reverse Engineering, OOP, RSA, Certificate Authentication, cmake, etc…