Leonardo Tumadjian
Founder at Fênix Tecnologias Educacionais
São Paulo, Brazil
Summary
👤
Senior🎓
Top SchoolLeonardo Tumadjian is a founder and seasoned software engineer with over a decade of experience architecting distributed systems, leading teams, and mentoring developers from junior to senior levels. He blends deep backend expertise in PHP, Swoole, gRPC and event-driven microservices with modern frontend and cloud practices, pragmatically integrating LLM-based tools for prototyping, code analysis, and documentation. As founder of DifferDev he has directly impacted 800+ developers through hands-on mentorship and curriculum design, and he actively speaks at Brazil’s top PHP conferences on topics from frameworkless architecture to NoSQL migration. Leonardo balances technical trade-offs like cost, latency and production risk when bringing AI features into real products, and prefers product-focused roles where complex, high-scale systems meet developer productivity. His background as an instructor and frequent speaker gives him a rare mix of practical engineering, teaching skill, and architectural vision.
12 years of coding experience
13 years of employment as a software developer
Web Engineering Specialist, Web/Multimedia Management and Webmaster, Web Engineering Specialist, Web/Multimedia Management and Webmaster at Centro Universitário SenacEstácio de Sá University
Portuguese, English, French
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (66)
rio10
php-lib10
dos9
database8
dbal8
sdk8
nette8
abstraction8
postgresql8
php8
oracle8
application-server8
sqlite8
php-application8
sql-server8
Programming languages (7)
Github contributions (5)
leoqbc/sdk-php-notazz
Jul 2019 - Dec 2020
Simple SDK php lib for Notazz (NFe e NFSe)
Contributions:73 commits, 25 PRs, 61 pushes in 1 year 5 months
phpsdkphp-libnfsephp-sdk
leoqbc/CC_PHP-Aulas
Jun 2022 - Jul 2022
Contributions:41 commits, 31 pushes, 2 branches in 1 month
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.