Samuel Rizzon
Frontend Engineer, 10 years
@samuelrizzondev
Projects
Git City
3D city in the browser. Every building is a real GitHub developer.
100K+
visitors
Chrome Extension
Built during the pandemic. Sold for $2,000.
150K+
users
Reply-OS
AI SaaS for X/Twitter. Built in one week.
$1K
MRR / 1 month
ZardUI
Open-source Angular UI library. The shadcn/ui for Angular.
939
GitHub stars
About
- Frontend Engineer with 10 years of experience building consumer web products, from enterprise platforms to solo-shipped products with real users and revenue.
- Built products used by 100K+ people. Shipped a SaaS to $1K MRR in one month. Co-founded an open-source library with 939 GitHub stars. Published a research paper at Oxford.
- Power user of Claude Code. Built 10+ projects with it, created dozens of custom skills and workflows. I don't just use AI tools, I push them to their limits.
Experience
Blackthorn.io
Current
Full-Stack Developer (Remote)
Jan 2023 - Present / New York, NY
- Led the complete UX/UI redesign of an e-commerce system integrated with Salesforce
- Created a CLI to automate releases, saving one full day per cycle
CI&T
Senior Frontend Developer
Apr 2022 - Jan 2023
- Led frontend for Ford's F-150 pre-sale launch in Brazil, architecting from scratch
- Started a component library aligned with Ford's Design System
TOTVS
Frontend Developer
Dec 2016 - Mar 2022 / 5 years 4 months
- Sole frontend dev for TOTVS Electronic Signature. Designed UI in Figma, built in Angular from scratch
- Built a Chrome extension for digital certificate signing. 150K+ users
- Product passed OWASP Top-10 pentesting with zero vulnerabilities
Content Creator
Focused on AI tools, Claude Code, and building products as a solo developer.
Contact