intro.tsx
const greeting = "|"👋
Starting…

Hi! I'm Yasmin 👋

A Full-Stack Product Developer (React & TypeScript) building fast, scalable web and mobile experiences — from UI architecture to API and data integrations.

✉️
Yasmin de Roo
Work

Selected work

A selected project demonstrating clean architecture, strong UX, and product thinking. Additional work available upon request due to confidentiality.

BURNED & BORN – Homescreen
1/4
Product
BURNED & BORN

A calisthenics-focused fitness app with structured plans, exercise library, and a scalable backend architecture.

Highlights
  • AI-assisted plan generation
  • Strapi content modeling
  • Mobile-first UX
Build notes
279+ exercises seededFastAPI + Postgres backendToken auth + profile onboarding
React NativeTypeScriptFastAPIPostgresStrapi
Demo (soon)Case study (soon)

Services

I help teams ship polished digital products — across web, mobile, and data-driven integrations.

Let's talk

Web Development

Modern websites and product frontends that feel fast, clean, and conversion-ready.

  • Next.js / React
  • TypeScript
  • Wordpress
  • NodeJS

Frontend Engineering

Scalable UI architecture and feature delivery with maintainable patterns and great UX.

  • Component architecture
  • State & data fetching
  • Testing & quality

Mobile Apps

Cross-platform mobile apps built with a native feel — from onboarding to production release.

  • React Native
  • App navigation & flows
  • Release-ready builds

Design Systems

Reusable UI components, theming, and guidelines that keep teams consistent and fast.

  • Storybook
  • Tokens & theming
  • WCAG-minded UI

API & Backend Integrations

Connect your product to the systems it needs — authentication, CMS, and REST APIs.

  • REST API's
  • Auth flows (JWT/OAuth)
  • (Headless) Content Management System

Data & Database Integrations

Reliable data flows from database to UI — dashboards, reporting, and product features.

  • SQL (Postgres)
  • Snowflake
  • MongoDB
Experience

Work history

Roles where I shipped production UI, built scalable components, and delivered end-to-end improvements.

Timeline
Freelance React / Product Developer
FlipDev • Netherlands
2026 — now
  • Building high-quality React experiences with strong UX and clean architecture.
  • Design-to-dev workflow: components, tokens, consistency, performance.
ReactTypeScriptNext.js
Software Engineer
Robeco • Rotterdam
2023 — 2025
  • Worked in Scrum team on enterprise applications and integrations.
  • Built maintainable front-end and integration flows with clear data contracts.
ReactAPIsIntegrations
Front-end / Mobile Developer
Zig Websoftware • Amsterdam
2021 — 2023
  • Built UI components and apps with focus on consistency and delivery speed.
  • Worked with theming, reusable patterns and product-quality polish.
Design systemsReactMobile

Let's build something great.

If you have a project in mind, send a short message with your timeline and goals. I’ll reply with next steps (and can share relevant work).

Email meCall meLinkedIn

Based in NL · Remote friendly