Kostya C.
FreelancerTop Rated PlusNative Android Development - Kotlin Expert
Member since 2009 · 100% Job Success
View on Upwork
WorldTop 0.27%
UkraineTop 0.83%
AndroidTop 0.83%
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upworkrank#10in Android · Top 0.83%Share this rank
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$6.8k
MRR
est. monthly
#3,045
World rank
of 1,140,389
$625k
Lifetime earnings
since 2009
18
Total jobs
completed
About
Development of high-quality android applications from simple client-server apps to computer vision and augmented reality.
Using:
- Kotlin, Java;
- Third-party REST API integration with Retrofit;
- AR experience with ARCore;
- Computer vision with OpenCV library
Rankings
Where Kostya C. ranks by monthly revenue, worldwide, in Ukraine, and in every Upwork skill it competes in.
World#3,045 / 1,140,389Top 0.27%
Ukraine#219 / 26,475Top 0.83%Android#10 / 1,200Top 0.83%
Java#30 / 5,290Top 0.57%
Gradle#1 / 51Top 2%
RESTful Architecture#6 / 246Top 2%
Android App Development#10 / 2,180Top 0.46%
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Freelancer snapshot
On Upwork since2009
Rating100% Job Success
Skills tracked5
Skills
AndroidJavaGradleRESTful Architecture
Kostya C. works mainly in Android, ranking top 0.83% of freelancers in that skill.
MRR trendSoon
Last 12 weeks
Coming soon
Competitors on the board
Who ranks just above and below by MRR across all freelancers.
This freelancer is #3,045 of 1,140,389 across all freelancers.
RankFreelancerMRRMRR trend
MRR benchmark
Kostya C. earns more than 99.73% of all freelancers we track.
Top 0.27%
among all freelancers we track
$0–$500
37%
$500–$1k
12%
$1k–$2.5k
16%
$2.5k–$5k
12%
$5k–$10k
11%
$10k–$25k
9%
$25k–$50k
3%
$50k+
1%
Kostya C.'s bracket · $6.8k
You37%$0–$500
You12%$500–$1k
You16%$1k–$2.5k
You12%$2.5k–$5k
You11%$5k–$10k
You9%$10k–$25k
You3%$25k–$50k
You1%$50k+
Kostya C. earns an estimated $6.8k/mo. That's 5.9× the typical freelancer and more than 99.73% of everyone we track.
Freelancers with no recent MRR are excluded. Only the 183,338 freelancers with active monthly revenue are ranked here.
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MRR is an estimate from Upwork's public figures - not an Upwork-official number.