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Vitalij I.

Vitalij I.

.NET Developer

Senior .NET Developer with 15+ years of experience building complex enterprise applications and distributed systems. My core expertise is C#, .NET, ASP.NET Core, PostgreSQL, MySQL, and Vue.js. I also have strong hands-on experience with Kubernetes, Docker, AWS, Azure, CI/CD, and cloud-native application deployments. I have designed and supported enterprise systems, led application and infrastructure migrations, solved complex production and performance issues, and worked across application, database, and infrastructure layers. My experience includes system architecture, REST APIs, database optimization, Kubernetes environments, system integrations, AI/LLM integrations, technical leadership, and code reviews. I work independently, take ownership of complex technical problems, and have extensive experience working with international teams and US-based companies.

🇺🇦Starokonstantinov, Ukraine$40/hr80% JSS5.00 (9)Since Oct 2015

Earnings and projects

MRR
$1.9k

Last 6 months ÷ 6

World#24,430 / 412k
🇺🇦Country#1,307 / 14.3k
Revenue, last 30 days
$0

Last 6 months: $11k

Total earnings
$412k

Billed in all: $427k

World#4,196 / 412k
🇺🇦Country#377 / 14.3k
Per project
$137k

$5.6k in the last 6 months

World#88 / 412k
🇺🇦Country#8 / 14.3k
Projects, last 6 months
2
0% fixed100% hourly
World#88,918 / 412k
🇺🇦Country#3,419 / 14.3k
Projects in all
3

Across 10 contracts

0% fixed100% hourly
World#304,140 / 412k
🇺🇦Country#11,447 / 14.3k

Earnings, last 30 days

$427kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$420k$425k$430k$435kOct 8Oct 23Nov 7

Skill rankings: Top 3% in PDF

Ranked by MRR among everyone on Upwork with the skill.

  1. #6XSLT60 freelancers · 🇺🇦 #1Top 10%
  2. #20Test-Driven Development172 freelancers · 🇺🇦 #3Top 12%
  3. #22LINQ213 freelancers · 🇺🇦 #5Top 10%
  4. #32PDF1,104 freelancers · 🇺🇦 #2Top 3%
  5. #40XML717 freelancers · 🇺🇦 #4Top 6%
  6. #40Windows Presentation Foundation398 freelancers · 🇺🇦 #7Top 10%
  7. #73LLM Prompt799 freelancers · 🇺🇦 #1Top 9%
  8. #190Linux3,038 freelancers · 🇺🇦 #11Top 6%