Andrey Artyshenko

Directed full-stack delivery across a Laravel 11 API and Nuxt 3 platform, optimizing workflows for authors, publishers, vendors, readers, and administrators on a dynamic commerce platform.

Architected and implemented a comprehensive creator-commerce payment system with Stripe, Stripe Connect, and PayPal, streamlining seller onboarding, order management, refunds, and payout processes.

Delivered critical operational tooling, including real-time analytics dashboards, customer CRM views, and S3-integrated printing quote workflows, enhancing team efficiency and data accessibility.

Designed and integrated robust team-management permissions, ensuring secure access control and streamlined operational oversight across the platform.

Architected and deployed a PCI-DSS compliant payment gateway using Stripe and PayPal, securely processing over $2M in transactions with a flawless record of zero security incidents.

Optimized API performance, reducing average response time by 60% (from 800ms to 320ms) for 50K+ daily requests by implementing N+1 query elimination and a Redis caching layer.

Elevated code quality and reliability by increasing automated test coverage from 25% to 65% with PHPUnit, resulting in a 40% reduction in production bugs and enabling a robust CI/CD pipeline.

Led a major codebase modernization initiative, migrating over 15,000 lines to a modern Laravel architecture and accelerating new feature development by 30%.

Developed and implemented secure database schemas adhering to normalization principles and comprehensive backup strategies, guaranteeing 99.9% data integrity for critical user data.

Designed and launched an enterprise CRM platform using Laravel and Vue.js, effectively managing over 10,000 customer records and reducing sales team data entry time by 50%.

Automated critical data synchronization across 5+ third-party APIs (Xero, Shopify, Facebook), saving 15 hours of manual work weekly and decreasing data errors by 80%.

Drove the development and release of 12+ major features for a core product, ensuring 99.8% system uptime and maintaining backward compatibility across all updates.

Enhanced software quality and security by conducting rigorous code reviews and developing comprehensive technical documentation, accelerating developer onboarding by 40%.

Architected and deployed an OAuth 2.0 authentication system for mobile applications, securing over 500,000 user accounts with multi-factor authentication and maintaining zero security breaches.

Developed a real-time insurance comparison engine capable of processing over 50,000 daily quotes with sub-second response times through asynchronous job queues and database read replicas.

Scaled the core platform by designing high-performance RESTful APIs (Laravel, Redis), accommodating 100,000+ daily active users with sub-200ms average response times via distributed caching and Memcached.

Built robust, high-performance web services for mobile applications, incorporating comprehensive error handling, stringent request validation, and effective rate limiting to prevent system abuse.

Successfully delivered over 15 client websites across diverse industries (retail, hospitality, professional services) utilizing 1C-Bitrix CMS and custom MVC PHP frameworks.

Developed a reusable PHP component library, including form validation, user authentication, and payment processors, which accelerated project delivery by 25% across the agency.

Implemented robust responsive layouts and mobile-first design principles, ensuring seamless cross-browser compatibility (IE8+, Firefox, Chrome, Safari) for all client projects.

Created custom CMS modules for advanced content management, multilingual support, and SEO optimization, leading to a 40% improvement in client search rankings.

Engineered a high-load e-commerce platform, successfully managing over 50,000 concurrent users during peak sales events with a 99.5% uptime guarantee.

Integrated multiple payment gateways, including Stripe and PayPal, processing over $1.2M in annual transactions while ensuring robust fraud detection and PCI compliance.

Enhanced SugarCRM functionality with custom PHP modules, automating sales funnel tracking and lead scoring, which boosted sales team efficiency by 35%.

Optimized platform performance, reducing page load times by 40% through advanced MySQL query optimization, database indexing, and Memcached implementation.

Developed a custom shopping cart system featuring abandoned cart recovery, a promotional code engine, and inventory management, supporting over 10,000 monthly transactions.