Sergei B.

Senior PHP Developer with 15+ Years of Experience I build scalable web applications and optimize existing systems using PHP, Laravel, and MySQL. With over 20 years in the industry, I deliver secure, high-performance solutions for startups and established businesses. Core Expertise: Backend: PHP 5-8.5, Laravel, Symfony, CodeIgniter, REST API. Database: MySQL, PostgreSQL, Architecture & Optimization. Integrations: Payment Gateways (Stripe, PayPal), Google Apps, Slack. Tools: Git, Jira, Trello, Docker. What I Deliver: Custom web applications and administrative panels. E-commerce solutions and social networks. Performance tuning and legacy code refactoring. AI implementation and automation. I focus on clean code, clear communication, and meeting deadlines.