Oscar C.
Microsoft | Security | AI | Fullstack Web & App | Azure DevOps Expert
I build, secure, and maintain reliable web, mobile, cloud, and business applications. What I Do : - Microsoft 365 & Azure - Cybersecurity & security hardening - Identity & access management - Cloud security & infrastructure - AI Based & Fast & High quality - Full-stack web development - Web & mobile app development - APIs & backend systems - DevOps & automation - Database & system integration - Troubleshooting & technical support My Approach - Build. Secure. Scale. I create clean, secure, and scalable solutions with a strong focus on performance, reliability, and user experience. Whether you need a website, web app, mobile app, Microsoft/Azure solution, security improvement, API, automation, or technical fix, I can help. One developer (Oscar) for your web, app, Microsoft, cloud, and security needs.
Earnings and projects
Last 6 months ÷ 2, the fewest it counts (since Oct 2026)
Read daily since Nov 3, under 30 days
Billed in all: $1,289$1.3k
$402 in the last 6 months
Earnings, last 30 days
Tracked from Nov 3, 2026.
Skill rankings: Top 15% in C#
Ranked by MRR among everyone on Upwork with the skill.
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- #897Microsoft Azure4,659 freelancers · 🇺🇸 #124Top 19%🇺🇸#124 of 616