Antonio Dev

Senior FullStack Developer & Shopify Specialist

Freelance • Freelance

Mar 2021 - Present • 5 yrs 7 mos

Freelance Shopify and full stack developer working end to end with brands, from requirements to launch and support. • Lisa Hanna Beauty: built the complete Shopify store through launch, owning virtually all of the code; technical SEO with an SEO specialist. • Level Padel and other clients: Shopify fixes, theme customization and speed optimization. • Custom private Shopify apps for e-commerce brands; currently developing a public Shopify App Store app.

Full Stack Developer (Frontend → Full Stack)

ALOHAS • Full time

Feb 2023 - Feb 2026 • 3 yrs

Started as Frontend Developer (Feb 2023 – Sep 2025) and moved into a Full Stack role (Sep 2025 – Feb 2026) at this international fashion brand. • Built a custom Shopify app for pre-orders in the retail stores (POS) that generated tens of thousands of euros in a single month at its peak. • Backend with Python, Django and Celery: services, background jobs and integrations for e-commerce operations. • Shopify storefront (Liquid, JavaScript, HTML/CSS): key shopping-journey features, performance and technical SEO for a high-traffic store.

Frontend Developer

HANNUN • Full time

Mar 2021 - Jan 2023 • 1 yr 10 mos

Frontend developer for a sustainable furniture D2C brand. • Built performance-optimized interfaces from the creative team's designs. • Designed and developed key features that improved usability and customer interaction. • Shopify and Liquid development with React and JavaScript components; contributed to the store redesign.