
Roy Mustang
Shopify store, Shopify POS payment gateway expert, inventory sync
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Portfólio
Experiência profissional
Ecommerce & POS Integration Specialist
Freelance Web Designer • Freelance
Jul 2021 - Present • 4 yrs 10 mos
Built and optimized high-performing ecommerce systems for businesses aiming to increase sales, eliminate technical issues, and scale efficiently across multiple platforms. Worked with startups, growing brands, and established businesses to transform fragmented systems into streamlined, revenue-generating operations. Specialized in TikTok Shop setup, product listing optimization, and fixing critical errors such as product sync failures, rejected listings, and integration breakdowns that prevent stores from scaling. Implemented complete TikTok Shop infrastructures, ensuring compliance, visibility, and conversion-focused product pages. Extensive experience integrating and configuring POS systems including Shopify POS, Square POS, Clover POS, Toast POS, and Lightspeed POS. Handled full setup processes including inventory synchronization, payment gateway configuration, order management systems, and multi-channel selling to ensure seamless online and in-store operations. Designed and developed Shopify stores with a focus on user experience, mobile responsiveness, and conversion optimization. Built automation workflows and API integrations to reduce manual work, improve accuracy, and enhance operational efficiency. Resolved complex technical challenges involving third-party apps, payment systems, and backend configurations. Ensured every system is stable, scalable, and aligned with business growth goals. Consistently focused on delivering reliable, high-quality solutions that reduce errors, improve workflow efficiency, and drive measurable revenue growth for clients across different industries.
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kelly_webexpert

Canadá
Honestly, Roy really helped me out. He quickly understood the issue and fixed everything without overcomplicating it. He also kept me updated during the process and made sure everything was tested before delivery. Very easy to work with and professional. I’d definitely recommend


walker_shopfy

Nigéria
Excellent work, he fixed the lovable mobile issues quickly and the button problem is completely gone now Communication was good and updates were useful

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