Ervin Yo - Full Stack Developer & UI/UX Designer

Hello I'm

I play with

react logo
React
typescript logo
TypeScript
figma logo
Figma
nextjs logo
Next.js
nodejs logo
Node.js
webflow logo
Webflow
aws logo
AWS
javascript logo
JavaScript
postgresql logo
PostgreSQL
mongodb logo
MongoDB
python logo
Python
git logo
Git
github logo
GitHub
firebase logo
Firebase
cloudflare logo
Cloudflare
tanstack logo
TanStack
astro logo
Astro
vite logo
Vite
drizzleorm logo
Drizzle ORM
motion logo
Motion
payloadcms logo
Payload CMS
hono logo
Hono
bun logo
Bun
stripe logo
Stripe
blender logo
Blender
zod logo
Zod
betterauth logo
Better Auth
neon logo
Neon
flyio logo
Fly.io
supabase logo
Supabase
css logo
CSS
html logo
HTML
notion logo
Notion
gsap logo
GSAP
photoshop logo
Photoshop
Illustrator logo
Illustrator
premiere logo
Premiere
indesign logo
InDesign
animate logo
Animation
react logo
React
typescript logo
TypeScript
figma logo
Figma
nextjs logo
Next.js
nodejs logo
Node.js
webflow logo
Webflow
aws logo
AWS
javascript logo
JavaScript
postgresql logo
PostgreSQL
mongodb logo
MongoDB
python logo
Python
git logo
Git
github logo
GitHub
firebase logo
Firebase
cloudflare logo
Cloudflare
tanstack logo
TanStack
astro logo
Astro
vite logo
Vite
drizzleorm logo
Drizzle ORM
motion logo
Motion
payloadcms logo
Payload CMS
hono logo
Hono
bun logo
Bun
stripe logo
Stripe
blender logo
Blender
zod logo
Zod
betterauth logo
Better Auth
neon logo
Neon
flyio logo
Fly.io
supabase logo
Supabase
css logo
CSS
html logo
HTML
notion logo
Notion
gsap logo
GSAP
photoshop logo
Photoshop
Illustrator logo
Illustrator
premiere logo
Premiere
indesign logo
InDesign
animate logo
Animation

What can I build for you?

From concept to launch, I create digital solutions that drive your business forward

01

FULL-STACK WEB DEVELOPMENT

Modern, responsive websites and web applications built with cutting-edge technologies. From landing pages to complex enterprise solutions.

Building best...
Service
02

MOBILE APP DEVELOPMENT

Cross-platform mobile applications that deliver native performance and user experience across iOS and Android devices.

Shipping fast...
Service
03

UI/UX DESIGN & BRANDING

Beautiful, intuitive designs that convert visitors into customers. Complete brand identity, user interface design, and user experience optimization.

Crafting impact...
Service
04

CUSTOM DIGITAL SOLUTIONS

Tailored solutions for your unique business needs. E-commerce platforms, content management systems, APIs, databases, and third-party integrations that scale with your growth.

Solving unique...
Service

What I've Created

See how I transform client visions into award-winning digital solutions that scale businesses and delight users

The Reviews Are In

They're Happy (and You Will Be Too)

"
Ryan O'Connor

Ryan O'Connor

Marketing Lead

Conversion rate went from 2.1% to 3.4% after the landing page redesign. The form is cleaner and the copy flows better. Sometimes small changes make big differences.

"
K

Kevin Lee

Technical Lead

The API integration was seamless. No data corruption, no sync delays, no mysterious errors three weeks later. It just works, which is exactly what we needed.

"
A

Anna Martinez

Anna Martinez

He actually tests on real devices, not just browser dev tools. Our site works perfectly on my ancient iPad and my manager's flip phone. That attention to detail matters for our customer base.

"
Tom Anderson

Tom Anderson

Content Manager

Our blog used to take 8 seconds to load. Now it's under 2. The Webflow CMS is so much easier than WordPress - my content team actually enjoys updating posts now instead of dreading it.

"
R

Rachel Green

Marketing Coordinator

I'm pretty particular about details, so I expected this to be painful. But he was patient with every revision and actually improved on our ideas. The final version exceeded what we had in mind.

"
S

Sarah M.

Product Manager

Our users were constantly getting lost in the old interface. He redesigned the navigation without changing our core workflow, which was exactly what we needed. Support tickets dropped by half.

"
M

Mike R.

Marketing Manager

Finally found someone who delivers Webflow sites that actually work. No janky animations or broken mobile layouts. Our team can update everything themselves now, which saves us hours every week. Worth every penny.

"
Ryan O'Connor

Ryan O'Connor

Marketing Lead

Conversion rate went from 2.1% to 3.4% after the landing page redesign. The form is cleaner and the copy flows better. Sometimes small changes make big differences.

"
K

Kevin Lee

Technical Lead

The API integration was seamless. No data corruption, no sync delays, no mysterious errors three weeks later. It just works, which is exactly what we needed.

"
A

Anna Martinez

Anna Martinez

He actually tests on real devices, not just browser dev tools. Our site works perfectly on my ancient iPad and my manager's flip phone. That attention to detail matters for our customer base.

"
Tom Anderson

Tom Anderson

Content Manager

Our blog used to take 8 seconds to load. Now it's under 2. The Webflow CMS is so much easier than WordPress - my content team actually enjoys updating posts now instead of dreading it.

"
R

Rachel Green

Marketing Coordinator

I'm pretty particular about details, so I expected this to be painful. But he was patient with every revision and actually improved on our ideas. The final version exceeded what we had in mind.

"
S

Sarah M.

Product Manager

Our users were constantly getting lost in the old interface. He redesigned the navigation without changing our core workflow, which was exactly what we needed. Support tickets dropped by half.

"
M

Mike R.

Marketing Manager

Finally found someone who delivers Webflow sites that actually work. No janky animations or broken mobile layouts. Our team can update everything themselves now, which saves us hours every week. Worth every penny.

"
Ryan O'Connor

Ryan O'Connor

Marketing Lead

Conversion rate went from 2.1% to 3.4% after the landing page redesign. The form is cleaner and the copy flows better. Sometimes small changes make big differences.

"
K

Kevin Lee

Technical Lead

The API integration was seamless. No data corruption, no sync delays, no mysterious errors three weeks later. It just works, which is exactly what we needed.

"
A

Anna Martinez

Anna Martinez

He actually tests on real devices, not just browser dev tools. Our site works perfectly on my ancient iPad and my manager's flip phone. That attention to detail matters for our customer base.

"
Tom Anderson

Tom Anderson

Content Manager

Our blog used to take 8 seconds to load. Now it's under 2. The Webflow CMS is so much easier than WordPress - my content team actually enjoys updating posts now instead of dreading it.

"
R

Rachel Green

Marketing Coordinator

I'm pretty particular about details, so I expected this to be painful. But he was patient with every revision and actually improved on our ideas. The final version exceeded what we had in mind.

"
S

Sarah M.

Product Manager

Our users were constantly getting lost in the old interface. He redesigned the navigation without changing our core workflow, which was exactly what we needed. Support tickets dropped by half.

"
M

Mike R.

Marketing Manager

Finally found someone who delivers Webflow sites that actually work. No janky animations or broken mobile layouts. Our team can update everything themselves now, which saves us hours every week. Worth every penny.

Get in Touch

Choose your preferred way to reach out

I typically respond within 24 hours. Looking forward to hearing from you!

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