Hi, I’m Mark, a Shopify and full-stack developer with over 10 years of experience building eCommerce websites and web apps. I enjoy turning complex requirements into clean, scalable solutions using Shopify, WordPress, Django, JavaScript, and AI integrations to help businesses improve performance and automate processes. I thrive in collaborative, fast-paced environments and love optimizing user experiences, growing online presence, and delivering measurable results.

Mark Joseph Sicat

Hi, I’m Mark, a Shopify and full-stack developer with over 10 years of experience building eCommerce websites and web apps. I enjoy turning complex requirements into clean, scalable solutions using Shopify, WordPress, Django, JavaScript, and AI integrations to help businesses improve performance and automate processes. I thrive in collaborative, fast-paced environments and love optimizing user experiences, growing online presence, and delivering measurable results.

Available to hire

Hi, I’m Mark, a Shopify and full-stack developer with over 10 years of experience building eCommerce websites and web apps. I enjoy turning complex requirements into clean, scalable solutions using Shopify, WordPress, Django, JavaScript, and AI integrations to help businesses improve performance and automate processes.

I thrive in collaborative, fast-paced environments and love optimizing user experiences, growing online presence, and delivering measurable results.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Language

English
Fluent

Work Experience

Shopify Developer at Sparky
July 1, 2024 - May 1, 2026
Led end-to-end development of custom Shopify themes and headless store front features, improving site performance and conversion rates. Integrated AI-powered product recommendation engine to personalize the shopping experience and increase average order value. Implemented AI-driven search and merchandising tools to surface relevant products dynamically based on user behavior and purchase history. Developed and deployed an AI-assisted customer support chat bot integrated with Shopify's order management system, reducing support ticket volume. Collaborated with the data team to leverage machine learning models for inventory forecasting and demand planning. Utilized AI code-generation tools to accelerate development workflows and maintain high code quality across the team. Architected scalable backend integrations using Node.js and third-party APIs for fulfilment, loyalty, and marketing automation platforms.
Freelance Software Developer at Freelance
October 1, 2023 - Present
Build AI agents for clients' workflow automation. Solve problems and fix bugs on clients' websites. Build and maintain clients' e-commerce websites. Manage clients' domains and email services. Build inventory systems and SEO-friendly product pages.
Full Stack Developer at House of Yards App
September 1, 2022 - July 1, 2024
Built a multi-tenant SaaS platform for landscaping businesses across the U.S., supporting client management, job scheduling, contractor coordination, and workflow automation. Developed secure RESTful APIs and backend services using Django with a high-performance front-end built in Svelte. Implemented subdomain-based tenant architecture for isolated environments, integrated Stripe for automated billing, and managed AWS ECS infrastructure and CI/CD pipelines with GitHub Actions to enable scalable deployments.
Backend Developer at Lacr
January 1, 2021 - September 1, 2022
Integrated payment gateways including Stripe and cryptocurrency APIs, enabling secure and seamless transaction processing for businesses. Refactored and optimized database architecture to improve query performance, scalability, and long-term feature extensibility.
Frontend Engineer at Yipkos
March 1, 2018 - January 1, 2021
Designed and developed front-end for 20+ websites using WordPress, WooCommerce and Shopify. Increased customer base by approximately 15% through user-friendly interface design and exceptional client support.
Engineer at YTM Microsystems
May 1, 2016 - February 1, 2018
Developed software components and contributed to system enhancements, improving performance and reliability of embedded applications.
Engineer at Broadcom
July 1, 2015 - May 1, 2016
Designed and tested hardware/software components to support product development and integration.
Intern at Broadcom
June 1, 2013 - May 1, 2015
Gained hands-on experience in hardware/software development, debugging and testing.
Technician at MaxLinear
June 1, 2012 - June 1, 2013
Provided technical support and contributed to testing and troubleshooting of hardware systems.

Education

Bachelor of Science – BS, Computer Engineering at California State Polytechnic University, Pomona
January 1, 2009 - April 1, 2012

Qualifications

Headless Shopify for Developers: Verified Skill Badge
September 1, 2025 - September 1, 2027
Liquid Storefronts for Theme Developers
September 1, 2025 - September 1, 2027
Shopify Development Fundamentals: Verified Skill Badge
September 1, 2025 - September 1, 2027

Industry Experience

Software & Internet, Media & Entertainment, Professional Services

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
See more

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