I'm an independent technology consultant, author and trainer. I have experiences for 23+ years in various software development projects, delivering materials in training and workshop, and delivering technical writings. Doing some research activities related to wireless networking, security, machine learning/data science and software in companies and universities.Specialties & Skills: * Software Engineering (Methodology and Project Management)* Wired & Wireless Networking (LAN, WSN, IEEE 802.11, IEEE 802.15.4, Bluetooth LE, RFID/NFC)* Programming (C/C++, C#, Java, Python, Ruby) * Web Programming (ASP.NET, ASP.NET MVC, PHP, PHP MVC, JSP, HTML5)* Scientific Programming (Matlab, Python, R, OpenCV)* JavaScript Programming (Node.js, TypeScript, CoffeeScript, jQuery,jQuery Mobile, Express, Backbonejs, AngularJS, KnockoutJS,EmberJS, RequireJS) * Embedded System Programming (Arduino, Raspberry Pi, MSP430 Series, Tiva C Series, AVR Series, Netduino, STM32 Series, Intel Galileo, pcDuino, mbed)* Database Administration & Programming (SQL Server, Oracle, MySQL, SQLite, MongoDB, Redis)* Mobile Programming (Windows Phone and Android)* Operating System (Windows, Linux : Ubuntu, Debian, Redhat)* Cloud Computing (Microsoft Azure, AWS, Google Cloud)* Machine learning and data science* DevOps, DevSecOps, MLOps