Piotr S.

A C programmer and reverse engineer

C programming assembly, binary analysis, reverse engineering security research, exploit development Linux/Android kernel, device drivers, boot loaders, firmware Linux/BSD administration

🇵🇱Lodz, Poland$100/hr100% JSS5.00 (12)Since Apr 2010

Earnings and projects

MRR

$0$0

Last 6 months ÷ 6

#9,235 / 412,022 / 412k

🇵🇱#184 / 2,852 / 2,852

Revenue, last 30 days

$0$0

Total earnings

$272,328$272k

Billed in all: $277,975$278k

#9,235 / 412,022 / 412k

🇵🇱#184 / 2,852 / 2,852

Per project

$16,019$16k

Projects, last 6 months

#209,850 / 412,022 / 412k

🇵🇱#1,392 / 2,852 / 2,852

Projects in all

Across 19 contracts

16% fixed84% hourly

#149,089 / 412,022 / 412k

🇵🇱#1,094 / 2,852 / 2,852

$278kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch

Read once a week before Oct 8, 2026, daily since. Dotted: longer than usual between two readings. Hatched: over two weeks without one.

Skills

Assembly Language Firmware C C++FreeBSD Android Kernel ARM Microcontroller Reverse Engineering Security Analysis X86 Assembly Language Software Debugging Linux Driver Development

Piotr S.

Earnings and projects

Earnings, last 30 days

Skills