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Result-driven Senior Full-Stack Developer with 19+ years of experience architecting enterprise ERP systems, high-traffic e-commerce platforms, and scalable cloud applications. Proven expertise across PHP (Laravel, Symfony, CakePHP), Magento 2 / Adobe Commerce, and AWS infrastructure, with a strong focus on performance, security, and scalability. Track record of leading complex framework migrations, reducing technical debt, and driving revenue growth through optimized systems and Agile leadership. Experienced mentoring engineers through code reviews, architecture deep-dives, and practical technical guidance to accelerate delivery and improve engineering standards.…Result-driven Senior Full-Stack Developer with 19+ years of experience architecting enterprise ERP systems, high-traffic e-commerce platforms, and scalable cloud applications. Proven expertise across PHP (Laravel, Symfony, CakePHP), Magento 2 / Adobe Commerce, and AWS infrastructure, with a strong focus on performance, security, and scalability. Track record of leading complex framework migrations, reducing technical debt, and driving revenue growth through optimized systems and Agile leadership. Experienced mentoring engineers through code reviews, architecture deep-dives, and practical technical guidance to accelerate delivery and improve engineering standards.

Kyrylo Brahin

Full Stack Developer, Back-End Developer, Software Engineer, +2

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Result-driven Senior Full-Stack Developer with 19+ years of experience architecting enterprise ERP systems, high-traffic e-commerce platforms, and scalable cloud applications. Proven expertise across PHP (Laravel, Symfony, CakePHP), Magento 2 / Adobe Commerce, and AWS infrastructure, with a strong focus on performance, security, and scalability. Track record of leading complex framework migrations, reducing technical debt, and driving revenue growth through optimized systems and Agile leadership. Experienced mentoring engineers through code reviews, architecture deep-dives, and practical technical guidance to accelerate delivery and improve engineering standards.…Result-driven Senior Full-Stack Developer with 19+ years of experience architecting enterprise ERP systems, high-traffic e-commerce platforms, and scalable cloud applications. Proven expertise across PHP (Laravel, Symfony, CakePHP), Magento 2 / Adobe Commerce, and AWS infrastructure, with a strong focus on performance, security, and scalability. Track record of leading complex framework migrations, reducing technical debt, and driving revenue growth through optimized systems and Agile leadership. Experienced mentoring engineers through code reviews, architecture deep-dives, and practical technical guidance to accelerate delivery and improve engineering standards.

Available to hire

Result-driven Senior Full-Stack Developer with 19+ years of experience architecting enterprise ERP systems, high-traffic e-commerce platforms, and scalable cloud applications. Proven expertise across PHP (Laravel, Symfony, CakePHP), Magento 2 / Adobe Commerce, and AWS infrastructure, with a strong focus on performance, security, and scalability.

Track record of leading complex framework migrations, reducing technical debt, and driving revenue growth through optimized systems and Agile leadership. Experienced mentoring engineers through code reviews, architecture deep-dives, and practical technical guidance to accelerate delivery and improve engineering standards.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Ukrainian

Fluent

Russian

Fluent

Work Experience

Senior PHP Developer at Qalius

March 1, 2024 - August 1, 2025

Led an enterprise ERP framework migration for a global appliance manufacturer, protecting data integrity for hundreds of thousands of international users. Resolved 60,000+ legacy code issues and security vulnerabilities, reducing technical debt and improving system-wide security compliance. Refactored core backend modules to optimize system stability, reducing average developer maintenance time by multiple hours per task. Introduced unified coding standards, robust Git workflows, and API documentation practices to champion engineering excellence. Mentored junior and intermediate developers through code reviews, architecture deep-dives, and technical guidance to accelerate sprint velocity.

Backend Developer at Vaimo

December 1, 2021 - April 1, 2023

Architected and developed custom Magento 2 / Adobe Commerce features tailored for enterprise B2C/B2B international brands. Optimized application performance for high-traffic storefronts handling tens of thousands of daily users, ensuring high availability post-launch. Maintained and scaled a massive B2B catalog architecture handling 15M+ products, leveraging Algolia to keep product search time minimal. Authored comprehensive technical documentation and developer onboarding guides to reduce onboarding friction and accelerate time-to-contribution.

CTO / Electro-nic Devices Rep. Leads at Electronic Devices Representative Leads

August 1, 2018 - April 1, 2019

Directed technical architecture and hosting infrastructure for a large lead-generation network spanning 2,000+ WordPress sites. Boosted company revenue by 20% by designing and executing an integrated technical SEO and Business Intelligence strategy that sharply reduced user acquisition costs. Overhauled engineering operations by introducing Agile/Scrum methodology, transforming development workflows, and improving high-traffic server reliability.

Representative Leads | CTO at Electronic Devices Rep.

August 1, 2018 - April 1, 2019

Directed the technical architecture and hosting infrastructure for a massive lead-generation network spanning 2,000+ WordPress sites. Boosted company revenue by 20% by designing and executing an integrated technical SEO and business intelligence (BI) strategy that drastically lowered user acquisition costs. Overhauled engineering operations by introducing Agile/Scrum, transforming development workflows, and improving high-traffic server reliability.

Freelance Full-Stack Developer at Global

January 1, 2008 - January 1, 2021

Delivered custom web applications, automation tools, and e-commerce platforms for 300+ SMB clients worldwide. Engineered end-to-end full-stack solutions using Laravel, Symfony, CakePHP, and Magento, integrating complex third-party REST APIs and payment gateways. Consulted executive stakeholders on AWS infrastructure scaling, system automation, and SEO strategies to maximize ROI.

Freelance Full-Stack Developer

January 1, 2008 - January 1, 2021

Delivered custom web applications, automation tools, and e-commerce platforms for 300+ S/M B clients worldwide. Engineered end-to-end full-stack solutions using Laravel, Symfony, CakePHP, and Magento, integrating complex third-party REST APIs and payment gateways. Consulted executive stakeholders on AWS infrastructure scaling, system automation, and SEO strategies to maximize ROI.