Leonardo Tumadjian
Founder at DifferDev
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.
13 years of coding experience
12 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 (47)
php-lib10
database8
sql-server8
oracle8
postgresql7
roadrunner7
mysql7
application-server7
ibm-db27
php7
react7
sqlite7
php-application6
psr-116
mariadb6
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
php-lib
leoqbc/php
Nov 2020 - Jun 2021
PHP repo for my dockerhub images
Contributions:23 commits, 2 PRs, 18 pushes in 6 months
dockerhubphp
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