Ayumu Ohtaki
Shopify Developer
/ UX Optimization
I turn Shopify stores
into conversion machines.
Not just design —
real UX & performance improvements.
What I do
What I Improve
Store Build
A store built from scratch, true to your brand.
- Theme-based or fully custom builds
- Hands-on onboarding and a tailored manual
- 8–12 weeks from first call to launch
UX / CVR Improvement
Designing how people move, not just how it looks.
- Header and navigation redesign
- Product page and cart flow review
- Mobile usability improvements
Theme Customization
Liquid-level work, down to the theme structure.
- Section development and new features
- Design refinements and UI implementation
- Multi-language and multi-currency
Performance
A faster, smoother store.
- Image and script optimisation
- Lazy loading
- Cleanup of unused apps and code
Support & Growth
Launch is the starting line. We grow it together.
- Bug fixes and small updates
- Improvements every one to two weeks
- Included during a Growth Partner term
Design work (Figma / Photoshop / Illustrator), logo and visual design, and non-EC websites are also welcome.
About pricingWhy Me
What Makes Me Different
Designing movement,
not just looks
Sales happen when hesitation disappears. I design navigation, product pages and cart flow backwards from real user behavior.
Fixing the structure,
not the surface
I work at the theme and Liquid level, so fixes last. Speed and day-to-day operation are both improved from the foundation up.
Design and code,
in one pair of hands
One contact, one decision-maker. No gap between design and code — what we discuss is often live the following week.
Growing it together,
after launch
Lower upfront cost, the rest tied to your sales — with maintenance and improvements included. If it doesn't sell, I don't receive the other half. That's my promise.
The man who loves walking will walk further
than the man who loves the destination.
Every change I make is tied to user behavior. True to the name Amble, launch is not the finish line — we keep refining as we walk.