09/01/2026 updated


100 % available
Certified PrestaShop Expert | Senior PHP Developer | Symfony | UnoPIM & Bagisto Partner
Poznań, Poland
Only remote
BA Computer Science, Opole University of TechnologyAbout me
Certified PrestaShop Expert and Senior PHP/Laravel/Symfony developer with 10+ years in e-commerce. Official EU implementation partner for UnoPIM and Bagisto (Webkul). I take on complex migrations, performance optimization, and custom integrations - remote, EU-based, B2B.
E-CommerceLaravelPerformance EngineeringPrestaShopSymfonyBackend
Technical Stack
E-commerce Core: PrestaShop (Versions 1.6, 1.7, 8.x) - Certified Expert; UnoPIM, Bagisto
Backend Frameworks: PHP 8.x, Symfony, Laravel
Database & Caching: MySQL, MariaDB, Redis
DevOps & Tools: Docker, Git, CI/CD (GitHub Actions), Linux Administration
Key Services
✅ Complex Migrations: Safe upgrades from PrestaShop 1.6/1.7 to 8.x with data integrity.
✅ Performance Engineering: SQL optimization, bottleneck analysis, improving Core Web Vitals.
✅ Custom Development: Writing clean, Symfony-based modules and API integrations (ERP/PIM/WMS).
✅ PIM Implementation: UnoPIM & Bagisto setup, migration from Akeneo/legacy PIM systems.
Certifications
? PrestaShop Certified Developer (Advanced Level)
Note: Worked as Lead Dev at "Expert Level 3" Partner Agency (Webixa), handling enterprise-grade projects.
Experience
Professional experience10+ years
Freelancer since2016
Languages
EnglishFluentPolishNative speaker
Project history
Co-founded the influencer marketing platform. Currently serving in an advisory capacity regarding technology stack and architecture, without operational day-to-day involvement.
Hands-on CTO role combining technical strategy with active software development.
Lead Architect: Designing and developing dedicated e-commerce solutions (PrestaShop, Symfony) and dedicated web applications.
Core Development: Writing high-quality, testable PHP code for critical modules and API integrations.
Performance Engineering: Optimizing database queries and server infrastructure for high-traffic clients.
Quality Assurance: Establishing coding standards, conducting code reviews, and managing CI/CD pipelines.
B2B Software Development & Consulting Services.
Expert Consulting: Performance audits and troubleshooting for PrestaShop and Laravel applications.
Custom Development: Building dedicated modules, payment integrations, and ERP connectors.
Legacy Rescue: Migrating and refactoring outdated systems to modern standards (PHP 8.x).