Curriculum Vitae

• Developed and maintained backend systems for a high-volume digital games marketplace processing thousands of daily orders.
• Designed a multi-rule checkout fraud detection engine (velocity, fingerprinting, and checkouts) that significantly reduced chargebacks.
• Eliminated manual processes by building real-time PayPal and Checkout.com dispute sync via webhooks and proxy files.
• Engineered ClickHouse-backed analytics, providing dashboards for customer spending, gateway fees, and sales trends.
• Designed versioned REST APIs and endpoints powering web applications, mobile apps, and customer-facing AI support bots.
• Optimized application performance by introducing database read replicas for high-frequency user search and listing queries.

Technologies: Laravel, PHP, MySQL, ClickHouse, Redis, Checkout.com, PayPal, APIs, Docker, Linux

• Built custom Laravel booking and management applications to improve client operational efficiency.
• Implemented security features including multi-factor authentication (2FA) and email verification.
• Integrated payment gateways (Stripe, PayPal) and communication tools (Twilio, Mailchimp) for client portals.
• Created interactive interfaces and dynamic workflows using jQuery and AJAX.

Technologies: Laravel, MySQL, jQuery, AJAX, Git

Electronic First Core Platform — High-volume digital retail marketplace processing thousands of daily orders

• Built order checkout flows supporting card, PayPal, Coinbase, and internal e-wallet transactions.
• Implemented Automated Gift Card and License Delivery flows using queue workers and stock syncing.
• Developed business dashboard tools for tracking gate transaction fees, salary distributions, and store metrics.

Technologies: Laravel, MySQL, ClickHouse, Queue Workers, Redis, Docker

SignalStack — Real-time data ingestion and processing pipeline

• Designed an asynchronous data pipeline using queue architecture to handle high workloads.
• Implemented caching strategies to deliver low-latency updates for real-time dashboards.
• Built automated workflows to filter and tag incoming signals for quicker data analysis.

Technologies: Next.js, React, Node.js, Caching, Queue Systems, Tailwind