# Ty Huynh

**Senior Software Engineer & Technical Lead**

Da Nang, Vietnam | [LinkedIn](https://www.linkedin.com/in/ty-huynh) | [GitHub](https://github.com/ty-huynh) | [Email](mailto:hongty.huynh@gmail.com)

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## Summary
15+ years building production web systems: e-commerce, SaaS, government platforms and high-volume data pipelines. Technical lead for a ground-up legacy modernization, co-founder of a 0-to-1 SaaS product. Expert in PHP/Laravel, Backend Architecture, and distributed systems.

## Core Expertise
- **Languages:** PHP, JavaScript/TypeScript, Java, Python, C#.
- **Backend:** Laravel, Spring, Django, ASP.NET, REST APIs, Microservices.
- **Data & Ops:** MySQL, PostgreSQL, MongoDB, Redis, Docker, CI/CD, Laravel Horizon/Queue, web crawling (Selenium, XPath).
- **Frontend:** Vue.js, React, Bootstrap, Tailwind CSS, DaisyUI.
- **Methods:** Technical Leadership, Agile/Scrum, Domain Driven Design, Legacy Modernization.
- **Domains:** E-commerce, SaaS, HR/ATS, government, traffic tax

## Professional Experience

### Technical Leader — CloudEBS (Contract, Remote) | 2025 – 2026
*Outsourcing firm for web applications and high-scale e-commerce systems. Project: Romania Traffic Tax Control System (eTarifare V2).*

- Rebuilt eTarifare V2 from scratch as a live production system, improving performance, maintainability, and security while preserving existing business logic.
- Designed a modular-monolith Laravel architecture and restructured the codebase during modernization of the legacy platform.
- Led a backend team through architecture proposals, code reviews, and delivery milestones; standardized Laravel best practices and design patterns.
- Coordinated third-party payment-gateway integration and microservice components; implemented critical features hands-on.
- **Stack:** PHP, Laravel, REST APIs, MySQL, Redis, WebSocket (Reverb), Linux, Git, GitLab CI/CD, AI-assisted development.


### CardFly | Co-Founder & Lead Technical Architect | 2022 — 2023
- Built and launched a SaaS platform (web, mobile, social features) from concept to market.
- Designed the full-stack architecture and automated CI/CD deployment; built high-volume data crawling systems.
- Co-led product strategy, design and engineering.


### Co-Founder / Lead Technical Architect — CardFly (Startup) | 2022 – 2023
*SaaS platform for social connection, delivered on web and mobile.*

- Took the product from concept to market launch across backend APIs, web, and React Native mobile.
- Designed feature architectures from scratch; built automated CI/CD pipelines and server infrastructure.
- Engineered high-volume data-crawling systems and protected user-facing pages with authentication and rate limiting.
- Optimized features continuously after launch; co-led product strategy and engineering.
- **Stack:** PHP, Laravel, Livewire, ReactJS, React Native, Tailwind CSS, MySQL, Linux, CI/CD, Ansible.

### Senior Software Engineer / Technical Consultant — Freelance | 2016 – 2026
*Delivered 9+ years of full-stack projects for international and domestic clients: e-commerce, ERP and workspace products.*

- **Twitter/X data crawler:** Designed a master/child job architecture with Laravel Queue/Horizon and parallel workers across multiple VPS instances, with deduplication, throttling, and retries; stored millions of rows.
- **Music and e-commerce crawlers:** Built configurable Selenium/XPath extraction for Discogs, YouTube, Etsy, Amazon, and other sources.
- **E-commerce:** Delivered custom EC-CUBE 2/3/4 plugins and themes (Book Ascom recurring-purchase and payment workflows, Zebra Shop, Sock Stylist Shop) and Shopify customizations.
- **POD Workspace:** Contributed to 0→1 SaaS workspace product (Laravel, Vue.js, REST APIs).
- Owned requirements gathering, deployment, post-release maintenance, and client communication.


### Solar Reviews | Senior Backend Engineer (Contract, Remote) | 2020 — 2021
*Solar Reviews is a U.S.-focused website for researching and comparing residential solar energy.*

- Built and optimized backend API endpoints for solar-estimation calculators (Laravel, MySQL, Vue.js).
- Refactored legacy PHP modules and upgraded legacy infrastructure without operational downtime.
- Integrated backend services with enterprise CRM platforms to automate lead handling.
- Daily collaboration with the team to deliver high-volume features.
- **Stack:** PHP, Laravel, CRM Third-Party API, MySQL, Redis, AWS, Linux, CI/CD.

### Senior Software Engineer — Paradox Olivia, Da Nang (Full-time) | 2019 – 2020
*Enterprise AI recruiting platform (acquired by Workday).*

- Refactored deeply abstract core modules incrementally in a live production system supporting a 30+ engineer organization.
- Built reusable foundation modules for cross-team use; integrated Twilio and MessageBird SMS/Voice with fallback behavior.
- **Stack:** Python, Django, Vue.js, MySQL, Redis, AWS, Linux, CI/CD.

## Earlier Experience | 2011 — 2019

- **Unisoft** — Team Leader (contract, part-time), 09/2019 – 12/2019: led 5 engineers on a production-process management system for Japanese clients; 100% on-time milestone delivery.
- **CGSoft** — Senior Software Engineer, 01/2018 – 01/2019: C#/ASP.NET and Selenium/XPath crawlers for Recruiting.com ATS job synchronization.
- **Suzutek VN** — Senior Software Engineer, 01/2016 – 03/2017: co-created a CakePHP + AngularJS starter kit adopted across company projects.
- **SDC, Da Nang University** — Software Engineer / Team Lead / PM, 01/2015 – 06/2016: Java Spring MVC and Laravel; delivered 5 concurrent web and mobile projects.
- **HTK-INC** — Software Engineer, 11/2011 – 01/2014 (contract/part-time): layered Java/Spring/Hibernate systems (communication logs, e-commerce).
- **Unitech Corp** — Software Engineer, 01/2012 – 01/2013: e-government portals (Java, Liferay, Hibernate, eGovFrame, Orbeon).
- **Ecomlogy** (Canada, freelance) — Backend Developer, 01/2012 – 01/2013: built a mobile REST backend from scratch (Java, Play Framework, MySQL).

## Education

- **Bachelor of Software Engineering** | Da Nang University of Science and Technology.

## Languages

- English (advanced, professional use) · French (starter)