Roman Grebinnyk

Roman Grebinnyk

Web, desktop, metro and mobile Developer, Team Leader

Kiev, Ukraine



What's the difference

---oDesk has recognized me as top 1% Developer and as one of their top Mobile Developers---

I have good experience in:
- Web development on / mvc, using newest technologies like angular js, html5, css 3, dependency injection etc

- Desktop development on WPF and Winforms. Have a great solution for MVVM architecture

- Metro development (Windows 8 apps)

- Mobile development on iOS, Android, Windows-mobile

- Have good database knowledge (SQL-Server, MySQL etc) and ORM(NHibernate…


Roman Grebinnyk has added 12 portfolio pieces. Create an account to review them.

Work History & Feedback

Mobile Location Based Social App (iOS)

74 hrs @ $43.00/hr
Earned $3,189
“Good work!”


Experienced Windows .NET Developer

Fixed Price
“Great work, very professional .Net developer”


ASP desktop application

151 hrs @ $50.00/hr
Earned $7,558
“Roman, is an outstanding professional developer, was always on time and deliver very high quality work. will certainly use him again.”


Software develoment

204 hrs @ $17.78/hr
Earned $3,618
“A great Developer, always on time, gives an extra value.Recommended!”


.NET Client

75 hrs @ $17.78/hr
Earned $1,325
“Excellent contractor. Easy to work with. Good language skills and availability. I would work with them again.”


Develop utility 'GET/POST Http query'

2 hrs @ $17.78/hr
Earned $36
“If you have http then hire this man! He finished the task 4 times faster than anticipated (based on external quotes) and saved us a fortune. Hire him!”


Wine Tasting App Developer Needed

1,160 hrs @ $33.33/hr
Earned $37,852
Job in progress

Tests Taken
Name Percentile Score

Knowledge of .Net Framework 4.0 Skills Test


Programming with C# Test


Programming with C++ Test


oDesk Readiness Test for Independent Contractors and Staffing Managers