MOE ESSMAT
Denver,Colorado
Summary
Senior Shopify Plus & Full-Stack Developer with 8+ years of experience building, scaling, and optimizing high-revenue eCommerce platforms. Expert in Shopify Plus migrations, international expansion, analytics (GA4/GTM), CRO, and performance optimization. Strong business mindset with proven ability to improve stability, conversions, and revenue through technical and data-driven solutions.
Overview
15
15
years of professional experience
1
1
Certification
Work History
Senior Full-Stack & Shopify Plus Developer
ThinOptics
Denver, Co
01.2022 - Current
- Led full Magento to Shopify Plus migration, improving site stability, performance, and scalability.
- Owned Shopify Plus platform architecture, including custom themes, Liquid development, and app ecosystem.
- Designed and implemented UX/UI improvements aligned with brand standards, increasing conversion and usability.
- Integrated Global-e for international expansion, enabling multi-currency checkout, duties, and localized experiences.
- Built and maintained GA4 & Google Tag Manager tracking for accurate revenue and funnel reporting.
- Managed shipping rules, tax settings, and payment gateways across domestic and international markets.
- Improved SEO, CRO, and site speed using analytics insights and A/B testing strategies.
- Integrated marketing tools including Klaviyo, Google Ads, Meta, and affiliate platforms.
- Led debugging and root-cause analysis for production issues affecting checkout and tracking.
- Partnered with marketing, operations, and leadership on growth and launch initiative
Full-Stack & Shopify Developer
Freelance, Customer Paradigm & Margot Elena Campines
04.2018 - 12.2021
- Built and launched custom Shopify stores for multiple consumer brands.
- Developed responsive, conversion-focused front-end experiences.
- Implemented backend services using Node.js, MySQL, and MongoDB.
- Created custom Shopify themes and extended functionality via APIs.
- Delivered projects end-to-end from discovery through deployment and optimization.
SAP Developer
thyssenkrupp Industrial Solutions USA Inc.
Denver, Co
02.2016 - 03.2018
- Integrated and enhanced enterprise systems supporting large-scale industrial projects.
- Designed and implemented client-side and server-side architectures.
- Developed APIs, testing strategies, and quality controls.
- Supported upgrades across 13+ enterprise systems.
Project Document Manager
thyssenkrupp Industrial Solutions USA Inc.
, United States
11.2010 - 01.2016
- Managed SAP-based document control systems for multi-million-dollar projects.
- Served as SAP Star User / Administrator.
- Led documentation workflows, compliance, and system troubleshooting.
Education
Full Stack Web Development -
University of Denver
Denver, CoBachelor of Computer Science -
Cairo University
CairoSkills
- Shopify & Shopify Plus (Liquid, Custom Themes, Checkout, Apps)
- JavaScript (ES6), HTML5, CSS3, React
- GA4, Google Tag Manager, Conversion Tracking
- Global-e, Klaviyo, Payment & Shipping Integrations
- REST APIs & Third-Party Integrations
- Magento → Shopify Migrations
- SEO, CRO, Site Speed Optimization
- Git, Agile, Cross-Functional Collaboration
- Shopify Plus development
- Migration strategy
- E-commerce optimization
- Project management
- User experience design
Certification
- Full Stack Web Development Certificate, University of Denver
- DMS (SAP System) Star User
- Aconex Document Management
- Code of Conductus Fundamentals
- Security of Mobile Devices
- Handling Sensitive Information Course
- Facebook Master Ad Certificate
References
- Gadi Ponte – CEO, ThinOptics
Email: gadi@thinoptics.com
Phone: +1 (408) 391-3603 - Sabrina Galyen– Ecommerce & Digital Marketing Consultant
Email: smperez8022@gmail.com
Phone: +1 (619) 987-7865 - Wendy Barnao– COO, ThinOptics
Email: wendy@thinoptics.com
Phone: +1 (408) 806-4404
Timeline
Senior Full-Stack & Shopify Plus Developer
ThinOptics
01.2022 - Current
Full-Stack & Shopify Developer
Freelance, Customer Paradigm & Margot Elena Campines
04.2018 - 12.2021
SAP Developer
thyssenkrupp Industrial Solutions USA Inc.
02.2016 - 03.2018
Project Document Manager
thyssenkrupp Industrial Solutions USA Inc.
11.2010 - 01.2016
Full Stack Web Development -
University of Denver
Bachelor of Computer Science -
Cairo University