Hello, I'm
TAT TRAN
[ ABOUT ]
Tat Tran is a results-driven software engineer with over 5 years of experience building scalable, production-grade e-commerce solutions.
I specialize in end-to-end Shopify app development, from initial concept to App Store launch. My core expertise includes building custom discount engines, robust checkout validation systems, and optimizing large-scale databases for peak performance.
My development philosophy is simple: code must be precise, bypass-proof, and highly maintainable. I believe in enforcing critical business logic at the deepest architectural layers to ensure long-term stability and security.
[ SKILLS ]
Frontend
Backend
Database
E-Commerce
DevOps
Data Science
[ PROJECTS ]
Delivery Date Omega
Advanced delivery date/time picker featuring blockout dates, lead-time & cutoff rules, and shipping-method-specific schedules for precise checkout planning.
Pareto Limit Purchase
Comprehensive cart validation system. Enforces min/max quantity, cart total, and product-specific purchase limits to prevent invalid checkout scenarios and ensure compliance with business policies.
Custom Discount Engine
High-performance custom discount engine built in Go. Manages complex pricing logic including quantity breaks, bundle discounts, and product configurations for Shopline Functions.
Quantity Price Breaks
Tiered discount system (buy more, save more) featuring flexible product and variant-level pricing rules, seamlessly integrated into the cart experience.
Shopify Flow Integration
End-to-end Shopify Flow integration. Architected a custom automation engine, UI configuration dashboard, and reliable trigger system that natively syncs with Shopify workflows.
Large-Scale Database Migration
Engineered the seamless migration of millions of database records, ensuring zero data loss with complex transaction handling, robust error recovery, rollbacks, and advanced query optimization.
MySQL Performance Optimization
Diagnosed and resolved critical database bottlenecks. Optimized high lock waits, optimized binary log storage, and redesigned indexing strategies resulting in significant query latency reduction.
WISE COMMERCE Platform
Full-stack order and returns management system featuring real-time messaging capabilities. Architected seamless integrations with Amazon SP, Shopify, Stripe, and PayPal.
Campaign Management System
Marketing campaign management infrastructure featuring a comprehensive REST API, a seller-creator communication portal, and seamless Stripe payment integrations.
[ EXPERIENCE ]
Middle PHP/React Developer | Team Lead
- Engineered and launched 'DingDoong Delivery Date' and 'Pareto Limit Purchase' apps from scratch, driving 2x revenue growth and acquiring 1,000+ active users within the first 3 months of launch.
- Developed and maintained highly reliable merchant applications adhering strictly to Shopify's 'Built for Shopify' standards for exceptional UX, performance, and stability.
- Led a cross-functional team of 4 engineers. Conducted rigorous code reviews, facilitated sprint planning, and provided technical mentorship, significantly improving delivery velocity and code quality.
- Architected zero-downtime CI/CD pipelines utilizing Docker and automated release workflows, ensuring faster, strictly version-controlled, and safer production deployments.
Fullstack Web Developer
- Architected and scaled production-ready e-commerce platforms for international enterprise clients, overseeing feature lifecycles from initial requirements gathering to live deployment.
- Integrated diverse external systems including Amazon Selling Partner, Shopify Partner, Stripe, PayPal, and UPS APIs to orchestrate complex ordering, logistics, and payment workflows.
- Established comprehensive engineering documentation and standardized bug-tracking protocols, which streamlined new developer onboarding and practically eliminated recurring regressions.
Education
Hanoi University of Industry
B.S. in Automatic and Control Engineering Technology
- Innovation Prize for ministerial-level scientific research
- 2nd Prize in university-level robotics competition
[ CONTACT ]
Have an exciting project in mind? Let's build something extraordinary together.