MATEUSZ LEŚNIAK

PHP BACKEND DEVELOPER / BACKEND TEAM LEADER

Tychy, PL.

About

Highly accomplished Senior PHP Backend Developer and Backend Team Leader with over 8 years of expertise in architecting scalable web applications and complex e-commerce solutions, specializing in PHP, Symfony, Laravel, and Microservices. Proven success in optimizing performance, leading CI/CD pipelines, and mentoring development teams, complemented by a deep understanding of infrastructure and automation for robust cloud deployments. Adept at leveraging AI tools to enhance development efficiency and workflow automation, consistently delivering high-quality, stable, and secure solutions.

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Work

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Cloudflight

Senior PHP developer / Backend Tech Leader

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Superdevs Sp. z o.o.

Senior PHP developer

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360 Code Lab

Senior PHP developer

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SoftKraft sp. z o.o.

PHP Backend developer

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E-Net Production Sp. z o.o.

PHP Developer

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Parkonomy.com

Full Stack Developer

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Moto-Profil Sp. z o.o.

PHP Developer

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Pro Business Solutions

PHP Developer

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Education

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Computer Science - Information Systems Engineering

University of Silesia in Katowice

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Computer Science - Information Systems Engineering

University of Silesia in Katowice

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Languages

Polish

English

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Certificates

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Pimcore Senior Developer

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Spryker Foundations Developer

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Skills

Languages

PHP 8.x, TypeScript, JavaScript (ES6+), HTML5, CSS3 (Sass)

Frameworks

Symfony 4-7, Laravel 4-11, Spryker, Pimcore 10-12, Shopware 6, API Platform

Databases & Storage

MySQL, MariaDB, PostgreSQL, Redis, ElasticSearch

DevOps & Infrastructure

Docker, Kubernetes, Linux/Ubuntu, MacOS, Git, CI/CD (GitLab CI, Jenkins)

Testing & Quality

PHPUnit, Codeception, PHPStan, PHP-CS-Fixer, PHPMD, Blackfire, XDebug

Architecture & Patterns

CQRS, REST API, SOLID, Microservices, DDD

Design Patterns

Repository, Strategy, Observer, Factory, Facade, Adapter

Tools

Composer, VSCode/PHPStorm, Nginx/Apache, Grafana, Confluence

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