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Johnson O.
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Johnson O.

Senior Full-Stack Dev | .Net | Angular/React | Python | AI/ML | DevOps

I’m a results-driven Full-Stack Software Engineer with 6+ years of hands-on experience building scalable, high-performance web and mobile applications. I excel at translating complex business requirements into robust solutions, and I’m passionate about leveraging modern frameworks, cloud services and DevOps best practices to accelerate delivery and drive value. Services I Offer: ✅ Web Development (.NET Core, Angular/React) ✅ Mobile App Development (React Native, Java for Android) ✅ AI-Powered Solutions (Python) ✅ Machine Learning(Python (Pytorch)/ML.Net) ✅ Web Scraping with Python and Selenium ✅ Secure & Scalable API Development ✅ Database Management & Optimization Why Work With Me? 🔹 End-to-End Ownership: I handle everything from solution design to deployment and post-launch monitoring. 🔹 Data-Driven: I leverage metrics, telemetry and automated tests to continuously optimize performance and reliability. 🔹 Clear Communication: I translate technical complexity into actionable insights for non-technical stakeholders. 🔹 Continuous Learning: I stay current with new frameworks, cloud services and AI/ML advances to bring best-in-class solutions.

🇨🇦Calgary, Canada$50/hr100% JSS1.00 (1)Since Mar 2025

Earnings and projects

MRR
$0

Last 6 months ÷ 6

World#296,931 / 412k
🇨🇦Country#5,192 / 7,133
Revenue, last 30 days
$0
Total earnings
$3.1k

Billed in all: $3.5k

World#296,931 / 412k
🇨🇦Country#5,192 / 7,133
Per project
$1.5k
Projects, last 6 months
0
World#209,850 / 412k
🇨🇦Country#3,126 / 7,133
Projects in all
2
50% fixed50% hourly
World#328,886 / 412k
🇨🇦Country#5,740 / 7,133

Earnings, last 30 days

$3.5kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$3,400$3,450$3,500$3,550Oct 8Oct 23Nov 7

Skills