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Szymon N.

Szymon N.

Expert Software Engineer

Experienced Software Engineer with a strong focus on C++ development and Linux systems programming. I specialize in low-level system design, performance-oriented solutions, and building robust, scalable software. I have hands-on experience working with both Linux and Windows environments, delivering cross-platform solutions and optimizing system-level components. Throughout my career, I have participated in numerous large-scale software integrations, collaborating with multidisciplinary teams to ensure seamless deployment, stability, and long-term maintainability of complex systems.

🇵🇱Krakow, Poland$20/hr40% JSSSince Feb 2026

Earnings and projects

MRR
$949

Last 6 months ÷ 6

World#50,538 / 412k
🇵🇱Country#388 / 2,852
Revenue, last 30 days
$792

Last 6 months: $5.7k

World#50,212 / 412k
🇵🇱Country#353 / 2,852
Total earnings
$7.7k

Billed in all: $8.4k

World#218,314 / 412k
🇵🇱Country#1,617 / 2,852
Per project
$3.8k

$5.7k in the last 6 months

World#44,716 / 412k
🇵🇱Country#456 / 2,852
Projects, last 6 months
1
0% fixed100% hourly
World#128,096 / 412k
🇵🇱Country#866 / 2,852
Projects in all
2
50% fixed50% hourly
World#328,890 / 412k
🇵🇱Country#2,361 / 2,852

Earnings, last 30 days

$8.4k+$792 earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$7.5k$8.0k$8.5kOct 9Oct 24Nov 8

Skill rankings: Top 11% in Linux

Ranked by MRR among everyone on Upwork with the skill.

  1. #14Windows 11 Administration109 freelancers · 🇵🇱 #1Top 13%
  2. #44Windows 10 Administration257 freelancers · 🇵🇱 #1Top 17%
  3. #321Linux3,038 freelancers · 🇵🇱 #14Top 11%
  4. #499C++4,442 freelancers · 🇵🇱 #9Top 11%
  5. #4,275Python31,606 freelancers · 🇵🇱 #67Top 14%