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Stanislav Sargan

@stanislavsargan

Ukraine

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Senior PHP Backend Developer with 10+ years of experience building and scaling backend systems, including deep specialization in Magento 2 / Adobe Commerce (8+ years), 3+ years of experience with Shopify, and hands-on production experience with Symfony and Laravel across freelance and product work.

Strong foundation in OOP, SOLID, DDD, and clean code principles, applied to complex business logic, REST/GraphQL API design, and integrations between independently maintained services (ERP, CRM, PIM, payment systems). Experienced in Magento 1→2 migrations at scale (100k+ products), performance optimization for high-traffic stores, and modernizing legacy applications without breaking what already works.

Comfortable owning a problem end-to-end — from unclear business requirements to a working, maintainable solution — and equally comfortable leading: mentoring developers, running code reviews, making architecture calls, and communicating with both engineering and business stakeholders.

Core backend expertise:
✔ PHP (OOP, MVC, SOLID, DDD)
✔ Symfony (Doctrine ORM, PHP Attributes, Dependency Injection, Event Dispatcher, Console, Forms, Security, Autowiring) & Laravel (Eloquent, Blade, Artisan, Queues)
✔ REST & GraphQL API design and third-party integrations
✔ Event-driven workflows (RabbitMQ)
✔ Relational and NoSQL database design (MySQL, PostgreSQL, MongoDB, Redis, Elasticsearch)

Magento 2 / Adobe Commerce specialization:
✔ Custom extension & module development
✔ Hyvä Themes, Hyvä Checkout, Hyvä Commerce
✔ Magento 1 → 2 migration, upgrades, code audits
✔ Checkout customization, payment/ERP/CRM integrations
✔ Multi-store, multi-language, Magento 2 Cloud EE
✔ Speed optimization for high-traffic stores

Shopify development:
✔ Shopify theme development (Liquid, Tailwind CSS, Alpine.js)
✔ Theme customization and storefront development
✔ Integrating and configuring third-party Shopify apps

Also experienced with WordPress.

Tech stack: PHP, Symfony, Magento 2, Shopify, Laravel, WordPress, Zend Framework, MySQL, PostgreSQL, Hyvä, Tailwind CSS, Alpine.js, PHP (OOP, MVC, SOLID), MySQL, HTML5, CSS3, LESS/SASS, JavaScript, jQuery, RequireJS, Knockout.js, REST/GraphQL APIs, RabbitMQ, Redis, Varnish, Cloudflare, Elasticsearch, AWS, Magento Cloud, Docker, Git, Composer, Linux CLI, and more.

Experience

Work history, roles, and key accomplishments

Current

Senior Backend Developer (PHP / Magento 2 / Shopify)

Current

pimentaGROUP

Jun 2024 - Present (2 years 5 months)

- Built a Magento 2 eCommerce platform from scratch, delivering a scalable and high-performance solution aligned with business requirements.
- Designed and implemented backend functionality and API integrations based on business and technical requirements, applying OOP and DDD principles to keep complex business logic maintainable.
- Developed and deployed a Dockerized API service acting as an int

Magento 2 Full-stack Developer

Alpissime

Dec 2020 - Dec 2024 (4 years)

- Maintained and enhanced a Magento 2 eCommerce platform for ski activity and resort bookings, ensuring high availability and system stability.
- Expanded and optimized reservation functionality, resulting in a 40% increase in total bookings.
Integrated Magento 2 with a CakePHP-based platform, implementing seamless customer redirection and automatic cart population with reservation-based products.

Backend Developer (Freelance) — PHP, Symfony, Magento 2, Shopify

Upwork

May 2020 - Sep 2024 (4 years 4 months)

- Delivered 20+ eCommerce projects for international clients, including Magento 2, Shopify, Symfony (Twig, Doctrine ORM, PHP attributes, Dependency Injection, Event Dispatcher, Console, Forms, Security, Autowiring), and Laravel (Eloquent ORM, Blade, Artisan, Queues) development.
- Developed custom backend modules and RESTful/GraphQL API integrations.
- Integrated third-party services including pay

Magento 2 Backend Developer

MageMontreal - Adobe Solution Partner

Sep 2021 - Oct 2023 (2 years 1 month)

- Maintained and supported the Magento 2 eCommerce platform, ensuring stability, performance, and ongoing system improvements.
- Installed and customized Magento 2 themes, modifying layouts and templates to align with business and design requirements.
- Implemented custom homepage based on Figma designs, collaborating with frontend/UI requirements while maintaining backend structure.
- Installed a

Magento Fullstack Developer

CodeTiburon

Sep 2020 - Aug 2021 (11 months)

- Developed and maintained Magento 2 eCommerce platform, ensuring stability, performance, and ongoing improvements.
- Led full data migration from Magento 1 to Magento 2, ensuring data integrity and seamless transition.
- Customized Luma-based theme, migrating design, layouts, and templates from Magento 1 to Magento 2 using HTML5, CSS3, and JavaScript.
- Installed and configured Magento modules, r

Magento Backend Developer

Interactivated Ecommerce

Aug 2017 - Aug 2020 (3 years)

- Developed and maintained Magento 2 eCommerce platform, ensuring stability, performance, and regular updates of core system and modules to the latest versions.
- Implemented backend solutions using PHP and MySQL, including store configuration, multi-store setup, and management of localized content.
- Customized themes and supported frontend-related tasks, adapting layouts and content while mainta

Magento Backend Developer

IT DELIGHT

Aug 2015 - Jul 2017 (1 year 11 months)

- Developed and maintained eCommerce websites using Magento 1, including custom module and theme development, bug fixing, and performance improvements.
- Built and customized WordPress websites, ensuring stability, functionality, and alignment with business requirements.
- Implemented backend solutions using PHP and MySQL, supporting ongoing maintenance, troubleshooting, and system enhancements a