Izak Ung

About Izak Ung

I help e-commerce brands thrive with tailored Shopify and e-commerce development. From startups to scaling ventures, my focus is on creating optimized, user-friendly solutions that drive growth and meet each brand's unique needs.

Services and pricing

• Custom apps and integrationsPrice on request
• Site performance and speedPrice on request
  What's included

  I ensure a Google PageSpeed Insights score of 70+ for mobile and 90+ for desktop, optimizing loading speeds and enhancing performance across all devices. This includes tailored techniques for fast, responsive design, ensuring an exceptional user experience whether on mobile or desktop.

• Store build or redesignPrice on request
  What's included

  When it comes to pricing, the scope and complexity of your project will guide the cost. I provide complimentary quotes, detailing suggested timelines, estimated costs, and a clear outline of the project scope. With this information, I can offer a precise quote to ensure we're aligned before moving forward with the project.

• Theme customizationPrice on request
  What's included

  If you're looking to customize your theme for a truly unique experience, I can help. With over 10 years in Shopify development, I specialize in seamless design integration, custom navigation, optimized search, and tailored checkout processes. My experience ensures your theme is built for a top-notch user experience. Feel free to reach out to discuss how we can make your vision a reality!

• TroubleshootingPrice on request

Featured work

• Pineapple Dance Studios

  Pineapple is a third-generation British brand, known globally in all corners of the world – from Europe to the USA and China. I built the Pinapple store to bring fans a stunning shopping experience, working with CASE to adopt a truly mobile‑first approach.

• FoxyBae Hair

  FoxyBae Hair is a West Coast beauty brand based in Los Angeles, California. Migrate theme to Online Store 2.0 and customize theme with the new design.

• Ahead

  The brand needed to launch with a robust and expandable e-commerce platform. I worked closely with their creative team to bring their vision to life on Shopify.

• Pumpables

  Pumpables is aiming to make the best pumps and be the most helpful pumping brand. Built store from scratch and manage store frontend for 2 years.

• LemonPerfect

  When the brand first approached us to develop their e-commerce platform, it was crucial to ensure the system was robust and scalable to meet their long-term goals. To achieve this, I worked closely with the creative team to build out the shop on Shopify. My role was to provide technical support, as well as guidance on how to use the platform to its fullest potential.

Ratings and reviews

• SurvivorRxStore build or redesignJun 30, 2025

  Great experience working with Izak! He helped us build out and launch our new website. He communicated frequently with us through Slack. I recommend working with him.

• Rising CommerceTheme customizationDec 2, 2024

  Izak is an exceptional developer. He converted the provided figma design to a custom Shopify theme. Very knowledgeable, patient, and very efficient developer. Thank you very much for you help, I will 100% be referring you clients!

• Luxuriant ConciergeTheme customizationNov 14, 2024

  Izak's communication is great. Very responsive and understands tasks well. We are still working together but I am impressed so far!

• GrrubPetTroubleshootingOct 28, 2024

  I ran into troubles with my site the day of a big launch and hired Izak on the spot without knowing anything about him. He assessed and fixed the problem so quickly. Highly recommend him! He's fast, efficient, and knows his stuff

• Petmod StoreStore build or redesignNov 10, 2023

  Amazing company to do work with. We have been working with Kazi for many years. Very responsive, knowledgeable, prompt, professional and well priced. Highly recommended for any development work. From the simplest tasks to the most complicated, they can do it all. Deal with confidence.

• Up to EveryoneStore build or redesignNov 10, 2023

  Kazi has been phenomenal in the work being delivered and they have made the website very fast and responsive along with providing an impeccable support which was instrumental for us in our business journey. Whatever on E-commerce, any issues or confusions, come to Kazi and they will never disappoint you. Thanks once again.

• OUXPStore build or redesignNov 10, 2023

  Very good communication. The turnaround time was fast and the team was very efficient. It was a pleasure to work with Izak and I look forward to working with them in the future! Highly recommend to hire him if you need help with your shop!

• MorgasmStore build or redesignSep 13, 2023

  The designer/developer did excellent work done on this project, good communication, timely completion of tasks, reliable. Important to be as specific as to scope as possible. Would recommend for future projects.

Read all reviews on Shopify →