Israt Jahan

Shopify Custom & Headless Developer

Shopify • Parttime

Nov 2025 - Present • 6 mos

I work as a Shopify Custom & Headless Developer, building high-performance eCommerce experiences tailored for scalability and conversion. I specialize in custom Shopify development, theme customization, and headless implementations using modern frontend frameworks to create fast, flexible, and conversion-focused storefronts. My work focuses on improving performance, user experience, and overall store efficiency. I’ve worked on building and optimizing Shopify stores with custom features, API integrations, and tailored UI/UX to match brand needs. From improving page speed to implementing advanced frontend architectures, I ensure stores are both technically solid and optimized for growth. My approach combines development expertise with eCommerce best practices to deliver solutions that not only look good but perform at a high level.

Freelance Conversion Rate Optimizer

Upwork • Freelance

Dec 2015 - Present • 10 yrs 5 mos

I work as a freelance Conversion Rate Optimization (CRO) specialist, helping eCommerce brands improve their product pages and increase sales without increasing ad spend. Over the years, I’ve worked with Shopify and WooCommerce stores across different niches, optimizing product pages, landing pages, and overall user experience to drive better conversion rates. My focus is on identifying what’s stopping users from buying and fixing it through better structure, clearer messaging, improved CTA placement, and trust-building elements. I’ve helped clients make their stores more user-friendly, more persuasive, and more aligned with real customer behavior. I combine practical eCommerce experience with a strong understanding of user psychology to create pages that not only look good but actually convert.

E-commerce Specialist

ZaisTech LLC • Fulltime

Jan 2022 - Nov 2025 • 3 yrs 10 mos

I help eCommerce brands turn underperforming product pages into high-converting sales assets. At ZaisTech, I work with Shopify and WooCommerce stores to improve conversion rates through better page structure, clear messaging, and strategic UX decisions. My focus is not just design, but optimizing how users interact, build trust, and ultimately make a purchase. I’ve worked on product pages, landing pages, and full store optimization, improving key areas like value proposition clarity, CTA placement, trust signals, mobile experience, and overall user flow. My approach is data-driven and conversion-focused, combining real-world eCommerce best practices with hands-on implementation.