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!
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $18k
Billed in all: $37,190$37k
$9k in the last 6 months
Across 8 contracts
Earnings, last 30 days
Skill rankings: Top 3% in Bootstrap
Ranked by MRR among everyone on Upwork with the skill.
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