Piotr K.
FreelancerTop Rated PlusJava expert
Member since 2010 · 100% Job Success
View on Upwork
WorldTop 0.21%
PolandTop 0.52%
JavaScriptTop 0.87%
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upworkrank#345in JavaScript · Top 0.87%Share this rank
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$7.9k
MRR
est. monthly
#2,182
World rank
of 1,045,565
$896k
Lifetime earnings
since 2010
24
Total jobs
completed
About
Over the last 15 years, I have developed a wide range of applications using Java technologies.
Spring / Spring Boot, Hibernate
JSP, JSF, Apache Wicket, Apache Struts
HTML.CSS, JavaScript, jquery,
mySql, postgreSQL, Oracle.
My skills are confirmed by certifications:
VMWare Spring Certified Profesional
OCP (Oracle Certified Professional Java SE 17)
SCJP (Sun Certified Java Programmer)
SCWCD (Sun Certified Web Component Developer).
Rankings
Where Piotr K. ranks by monthly revenue, worldwide, in Poland, and in every Upwork skill it competes in.
World#2,182 / 1,045,565Top 0.21%
Poland#39 / 7,454Top 0.52%JavaScript#345 / 39,572Top 0.87%
Java#47 / 11,118Top 0.42%
SQL Programming#9 / 1,715Top 0.52%
Spring Framework#15 / 1,131Top 1%
SQL#122 / 19,260Top 0.63%
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Freelancer snapshot
On Upwork since2010
Rating100% Job Success
Skills tracked5
Skills
JavaScriptJavaSQL ProgrammingSpring Framework
Piotr K. works mainly in JavaScript, ranking top 0.87% 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 #2,182 of 1,045,565 across all freelancers.
RankFreelancerMRRMRR trend
MRR benchmark
Piotr K. earns more than 99.79% of all freelancers we track.
Top 0.21%
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%
Piotr K.'s bracket · $7.9k
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+
Piotr K. earns an estimated $7.9k/mo. That's 5.5× the typical freelancer and more than 99.79% 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.