My name is Greg (Grzegorz) Kroczek . I’m Independent Sofware Developer. Below there are my professional skills bases on my professional experiences (from practical point of view). My full profile with containing professional skills You can find on linkedIn (LinkedIn link). I’m owner Data Recovery Center in my company JRB System – more details on: www.jrbsystem.com
More infromation on homepage site

Specialization: Independent Software Developer
• Implementation of solutions for government institutions and agencies, army, banks, manufactures and telecommunication sectors
• Designing and developing high-volume, low-latency applications for mission-critical systems, delivering high-availability and performance
• Cybersecurity
• Implementation of solutions for banking, manufacturing nad telecommunication sectors
• Implementation of solutions for Polish and foreign Companies
• Designing, developing and implementing software systems production and another kind of solutions for differens sectors
• Developing software for government institutions and military (army)
• System to cooperative with different Devices (Node.js + microcontrollers and mainboards)
• Embedded systems for Devices
• Monitoring of application development and adaptation of internal standards to ensure quality of the project
JavaScript & Frameworks: JavaScript & Frameworks: AngularJS, Angular 2,  Vue.js / Vue 2
• Node.js Frameworks: Total.js, Express.js, Feathers.js, Total.js, Sails.js, socket.io, Quasar Framework
• Quasar Framework: Android, iOS
• Java, Java EE
C / C++ / C#