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 and Web Developers (see the badges on the right of my profile for more information)---

I have good experience in:
- Web development (native and server side)
- Desktop development on windows
- Metro development (Windows 8/10 apps)
- Mobile development on iOS, Android, Windows Phone
- Good experience in databases: relational, nosql, runtime storages
- 24/7 systems, SOA, SaaS, microservices, RabbitMQ,high load…


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

Work History & Feedback

Mobile Location Based Social App (iOS)

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

Experienced Windows .NET Developer

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

ASP desktop application

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

Software develoment

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

.NET Client

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

Develop utility 'GET/POST Http query'

“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!”
2 hrs @ $17.78/hr
Earned $36

Wine Tasting App Developer Needed

Job in progress

1,567 hrs @ $33.33/hr
Earned $51,995
Tests Taken
Name Percentile Score

Knowledge of .Net Framework 4.0 Skills Test


Programming with C# Test


Programming with C++ Test