Ruby on Rails
JWT (JSON Web Token)
Ruby on Rails - more than two years.
Developing JSON API with message authentication (HMAC-SHA1)
Searching for and fixing bugs in code of third-party developers
Analyzing and fixing bottleneck in code
Optimizing DB requests
Work with draft, make 3D models, calculation aerodynamic resistance of ventilation motor tract, evaluation the optimum fin of molded frame, draw the details of electric motor.
Master's degree, Computer Systems, automation and control