I've worked on enterprise-level products, now I bring that polish to your small business

Based in California.

Design
that pays
for itself.

+69% Conversion lift · Shopify
+42% Engagement · Mastercard
4.8★ App rating · Fintech
+68% Conversion · WordPress
Who I am. I'm Thuy Tien Le — an Interaction Design Engineer based in California. I design intuitive, user-centered interfaces that combine visual excellence with seamless functionality. My work lives at the intersection of design thinking and front-end engineering — turning complex problems into elegant, high-performance digital products that captivate audiences and drive real business growth.
Thuy Tien Le
Observe.

I approach design by first observing — the product, the context, and how things actually work.

Design decisions come later. Understanding comes first.

Distil.

I remove noise, reduce complexity, and keep only what truly matters.

Design.

Form emerges from clarity —
structure, rhythm, and
carefully made decisions.

Selected Work

01
+42% Dashboard engagement

MASTERCARD (DASHBOARD · DATA VIZ · BRAND)

02
+69% Conversion rate lift

SHOPIFY DEVELOPER (GROWTH · CRO · WEB)

03
4.8★ App store rating

FINANCIAL MOBILE APP (MOBILE · UX · FINTECH)

04
+68% Conversion rate lift

WORDPRESS DEVELOPER (GROWTH · CRO · WEB)

05
+54% Beta filled, pre-launch

HANDOFF — SELF-INITIATED AI PRODUCT. POSITIONING TO PRICING, BUILT SOLO.

More Conversions

UX/UI that measurably lifts sign-ups and sales.

Shopify build: +69%. Mastercard dashboard: +42%.

Faster Shipping

Design systems your team can build on for years.

A scalable component library that ends every "how should this button look?" debate.

Less Guesswork

Research-driven decisions, not opinions.

Real user insights that de-risk every choice — so you ship the right thing the first time.

No Design-Dev Gap

Pixel-perfect React or HTML/CSS — shipped, not handed off.

What you approve in Figma is what goes live. No translation losses, no "that's not what I drew."

Validate Before You Build

High-fidelity prototypes that test assumptions early.

Find the broken flows before engineering hours get spent building them.

Motion With Purpose

Micro-interactions that guide users, not distract them.

Transitions that feel inevitable. Animation tied to function, never decoration.

My Approach

I don't just design.
I solve problems
that matter.

I eliminate guesswork in digital design. Every decision is grounded in research, user behavior, and business goals.

I provide an end-to-end approach — from discovery and strategy to polished, shipped interfaces.

Pixel-perfect execution.

Every detail considered. No shortcuts, no generic templates — only bespoke solutions built for your audience.

Research-driven design.

Decisions backed by data and real user insight — not assumptions or trends.

Seamless collaboration.

Clear process, fast iteration, and transparent communication from kickoff to launch.

What you usually get
A Figma file and a vague handoff
"Design opinions" and mood boards
4–6 week revision cycles
What you get with me
Pixel-perfect React or HTML, shipped
Decisions backed by user research data
Weekly shipping, async feedback

How It Works

From idea to shipped
in 4 clear steps.

01

Discovery

We align on goals, users, and constraints. I ask the hard questions so the design solves the right problem.

02

Design

Wireframes, high-fidelity mockups, and interactive prototypes — iterated fast with your feedback built in.

03

Build

Pixel-perfect front-end implementation. No design-dev gap — what you approve is what ships.

04

Launch

Handoff, QA, and post-launch support. I stay until it's right — and available for the next phase.

Designing radically more
intuitive digital experiences
that captivate and convert.