Jarek K.
FreelancerMobile Development | Flutter
Member since 2025 · 80% Job Success
View on Upwork
WorldTop 0.27%
PolandTop 0.62%
FlutterTop 0.33%
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upworkrank#9in Flutter · Top 0.33%Share this rank
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$7k
MRR
est. monthly
#2,837
World rank
of 1,043,967
$87k
Lifetime earnings
since 2025
1
Total jobs
completed
About
I’m a Flutter developer specializing in building high-performance mobile and web applications. With around 10 years of experience across fintech, medtech, and healthtech projects, I bring a strong understanding of both technical execution and industry-specific needs. Whether you're looking to launch a secure financial app, a user-friendly medical platform, or a responsive healthcare solution,
I can help turn your ideas into reality.
Rankings
Where Jarek K. ranks by monthly revenue, worldwide, in Poland, and in every Upwork skill it competes in.
World#2,837 / 1,043,967Top 0.27%
Poland#46 / 7,441Top 0.62%Flutter#9 / 2,764Top 0.33%
Android#9 / 1,322Top 0.68%
iOS#4 / 1,397Top 0.29%
Mobile App#6 / 2,385Top 0.25%
AI App Development#10 / 1,445Top 0.69%
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Freelancer snapshot
On Upwork since2025
Rating80% Job Success
Skills tracked5
Skills
FlutterAndroidiOSMobile App
Jarek K. works mainly in Flutter, ranking top 0.33% 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 #2,837 of 1,043,967 across all freelancers.
RankFreelancerMRRMRR trend
MRR benchmark
Jarek K. earns more than 99.73% of all freelancers we track.
Top 0.27%
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%
Jarek K.'s bracket · $7k
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+
Jarek K. earns an estimated $7k/mo. That's 4.7× the typical freelancer and more than 99.73% 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.