Mihai Leu - Tech Lead at eMAG

Mihai Leu

Tech Lead at eMAG

Bucharest, Romania

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Summary

🤩

Rockstar

🎓

Top School

Mihai Leu is a Tech Lead based in Bucharest with 15+ years of experience designing scalable backend systems and growing high-performing engineering teams, currently shaping architecture and cloud strategy at eMAG. He combines deep hands-on expertise in PHP/Symfony, microservices, event-driven architectures and AWS/Terraform with product-minded decision making to translate complex business needs into resilient, maintainable platforms. Mihai led monolith-to-microservice decompositions, introduced infrastructure-as-code across teams, and pioneered microfrontend patterns that reduced duplication and accelerated delivery. He also mentors engineers, runs architecture guilds and designs training programs to raise organizational technical maturity. An open-source contributor, he improved Symfony’s RabbitMQ bundle for newer PHP and Symfony versions and raised code quality via tests and static analysis—showing a pragmatic focus on long-term maintainability.

6 years of coding experience

7 years of employment as a software developer

Master Studies, Managing Informatics, Master Studies, Managing Informatics at Universitatea Româno-Americană din București

high school diploma, Mathematics - Informatics, high school diploma, Mathematics - Informatics at Liceul Teoretic Alexandru Marghiloman Buzau

English, Romanian

Github Skills (9)

rabbitmq10

testing10

php10

symfony10

symfony-ux10

phpunit10

amqp9

symfony-bundle9

phpstan8

Programming languages (5)

TypeScriptShellJavaScriptGoPHP

Github contributions (5)

php-amqplib/RabbitMqBundle

Dec 2019 - Nov 2022

RabbitMQ Bundle for the Symfony web framework

Role in this project:

Back-end Developer

Contributions:22 releases, 36 reviews, 73 commits in 2 years 11 months

Contributions summary:Mihai contributed to the Symfony-based RabbitMQ bundle, improving compatibility with different PHP versions (5.3, 7.3, and 7.4) and Symfony versions (5). Their work included updating test suites to be compatible with PHPUnit 8 and adding PHPStan for static analysis. Furthermore, the user made modifications to the code to align with PSR12 coding standards, improving overall code quality and maintainability. The changes focused on testing, configuration, and adapting the bundle to work seamlessly with new versions of PHP and Symfony.

bundlephpsymfony-bundlephp-amqplibamqp

eMAGTechLabs/RabbitMqBundle

Dec 2019 - Mar 2021

RabbitMQ Bundle for the Symfony web framework

Contributions:14 releases, 13 reviews, 14 commits in 1 year 3 months

bundlephpsymfonyrabbitmqweb-framework

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