Kostya C.
FreelancerTop Rated PlusNative Android Development - Kotlin Expert
Member since 2009 · 100% Job Success
View on Upwork
WorldTop 0.29%
UkraineTop 0.87%
AndroidTop 0.76%
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upworkrank#10in Android · Top 0.76%Share this rank
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$6.8k
MRR
est. monthly
#2,983
World rank
of 1,045,532
$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#2,983 / 1,045,532Top 0.29%
Ukraine#215 / 24,845Top 0.87%Android#10 / 1,320Top 0.76%
Java#34 / 5,655Top 0.6%
Gradle#1 / 54Top 2%
RESTful Architecture#6 / 261Top 2%
Android App Development#11 / 2,354Top 0.47%
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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 0.76% 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 #2,983 of 1,045,532 across all freelancers.
RankFreelancerMRRMRR trend
MRR benchmark
Kostya C. earns more than 99.71% of all freelancers we track.
Top 0.29%
among all freelancers we track
$0–$500
32%
$500–$1k
12%
$1k–$2.5k
17%
$2.5k–$5k
13%
$5k–$10k
12%
$10k–$25k
10%
$25k–$50k
3%
$50k+
1%
Kostya C.'s bracket · $6.8k
You32%$0–$500
You12%$500–$1k
You17%$1k–$2.5k
You13%$2.5k–$5k
You12%$5k–$10k
You10%$10k–$25k
You3%$25k–$50k
You1%$50k+
Kostya C. earns an estimated $6.8k/mo. That's 4.6× the typical freelancer and more than 99.71% of everyone we track.
Freelancers with no recent MRR are excluded. Only the 151,012 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.