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Obsu K.
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Obsu K.

Expert Full-Stack Engineer | .NET | Express.js | Angular | React | Vue

I am a highly skilled software engineer specializing in full-stack development and cybersecurity. My expertise includes working with modern frameworks and languages like.NET, Express.js, Angular, React, Vue, Python, and Flask to deliver secure, scalable, and high-performing applications. With experience as a cybersecurity analyst and penetration tester, I ensure that every project I work on meets the highest standards of functionality and security. Why Work With Me? Comprehensive Skill Set: From full-stack development to advanced cybersecurity techniques, I bring a unique blend of expertise to every project. Versatility: Proficient in a wide range of technologies, including .NET, Python, Flask, and modern JavaScript frameworks. Security-First Approach: I integrate secure coding practices and perform penetration testing to protect your applications. Proven Experience: Successfully delivered projects for clients and companies like Zoobook Systems LLC, combining technical excellence with a focus on client needs. Key Skills: Full-Stack Development: .NET Core, Express.js, Angular, React, Vue, Python, Flask Cybersecurity: Penetration testing, vulnerability assessments, secure code reviews, threat analysis Back-End: Node.js, ASP.NET, SQL Server, RESTful APIs, JWT Authentication Front-End: JavaScript, TypeScript, HTML5, CSS3, Bootstrap, Tailwind DevOps & Tools: Git, Azure DevOps, Docker Other Expertise: SignalR for real-time communication, Entity Framework for ORM, Flask for lightweight web apps What I Offer: Full-stack application development using modern technologies Secure and scalable web solutions with Python/Flask and .NET Cybersecurity services, including penetration testing and vulnerability assessments Performance optimization and custom feature development Let’s Work Together! Looking for a reliable developer who can deliver high-quality applications with a security-first approach? I’m here to bring your ideas to life, combining expertise in full-stack development and cybersecurity. Let’s build something exceptional—reach out to discuss your project today!

🇪🇹Addis Ababa, Ethiopia$28/hr100% JSS5.00 (5)Since Dec 2023

Earnings and projects

MRR
$3k

Last 6 months ÷ 6

World#12,613 / 412k
🇪🇹Country#28 / 1,609
Revenue, last 30 days
$2.2k

Last 6 months: $18k

World#19,268 / 412k
🇪🇹Country#48 / 1,609
Total earnings
$35k

Billed in all: $37k

World#98,879 / 412k
🇪🇹Country#142 / 1,609
Per project
$12k

$9k in the last 6 months

World#12,954 / 412k
🇪🇹Country#25 / 1,609
Projects, last 6 months
2
0% fixed100% hourly
World#88,922 / 412k
🇪🇹Country#497 / 1,609
Projects in all
3

Across 8 contracts

0% fixed100% hourly
World#304,143 / 412k
🇪🇹Country#1,271 / 1,609

Earnings, last 30 days

$37.2k+$2.2k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$34k$36k$38kOct 9Oct 24Nov 8

Skill rankings: Top 3% in Bootstrap

Ranked by MRR among everyone on Upwork with the skill.

  1. 3Bulma25 freelancers · 🇪🇹 #1Top 12%
  2. #27MEAN Stack629 freelancers · 🇪🇹 #1Top 4%
  3. #178Bootstrap6,899 freelancers · 🇪🇹 #1Top 3%
  4. #184ExpressJS5,651 freelancers · 🇪🇹 #3Top 3%
  5. #270Tailwind CSS6,979 freelancers · 🇪🇹 #5Top 4%
  6. #364Angular6,817 freelancers · 🇪🇹 #3Top 5%
  7. #386Java8,313 freelancers · 🇪🇹 #2Top 5%
  8. #496MongoDB10,865 freelancers · 🇪🇹 #5Top 5%