Gustavo Sales
Senior Fullstack Engineer at Mashgin
São Paulo, Brazil
Summary
👤
Senior🎓
Top SchoolGustavo Sales is a Senior Fullstack Engineer with 11 years of professional experience and a 17-year journey in software, blending enterprise-grade systems at Brazilian banks with fast-paced Silicon Valley AI startups. Currently at Mashgin (YC W15), he architects frontend experiences and leads complex third-party integrations for the company's AI-powered self-checkout deployed across thousands of kiosks and high-volume clients. He was the founding frontend engineer at Radiant Security, shipping UI features at one-week lead times while mentoring teams and building a custom component library. Gustavo pairs deep frontend expertise (React, Next.js, Vue, TypeScript, Tailwind) with backend and data integration experience (Node.js, Python, Snowflake, payment systems like Adyen), and has shipped computer vision and LLM-backed products. As an educator and former FIAP professor who authored course material and trained thousands of developers, he has a talent for translating complex problems into teachable, production-ready solutions. He also runs Codegus to help Brazilian SMBs adopt AI platforms and shares his work publicly while building ThonLabs on GitHub.
11 years of coding experience
14 years of employment as a software developer
Fédération Internationale de l'Art PhotographiqueData Processing - High School, Information Technology, Data Processing - High School, Information Technology at Colégio Argumento Objetivo
English, Portuguese
Github Skills (132)
storybook10
testing10
http-client10
hybrid10
javascript10
browser10
react-framework10
compiler10
ajax10
remote-api10
static-site-generator10
typescript10
tailwindcss10
ssg10
nodejs10
Programming languages (4)
Github contributions (5)
codeguslabs/thonlabs
Mar 2024 - Apr 2025
The Foundation For Your SaaS
Contributions:1 review, 9 PRs, 101 pushes in 1 year
codeguslabs/thonlabs-services
Mar 2024 - Apr 2025
Contributions:1 review, 6 PRs, 75 pushes in 1 year
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