Alejandra Osuna

Frontend Engineer
production-ready React/Next.js

Building pixel-perfect, accessible interfaces with a product mindset.From design systems to shipping features that matter.

Production shippingProduct UITesting + CI/CD

Selected Work

A few projects that show how I think about UI, production quality, and shipping.

Brain Training Club Foundation preview
Non-profit · Donations & Growth

Brain Training Club Foundation

Improved production UX and conversion tracking reliability. Implemented Meta Pixel + CAPI, refined donation flows, and ensured robust thank-you journeys.

#Next.js#React#TypeScript#Tailwind#Meta Pixel#CAPI#Forms
View case study

Note: Some details are intentionally general due to NDA.

Product UI · Real-world Patterns

Mini SaaS: Bookings & Profiles

Product-style UI with authenticated flows, profile pages, searchable listings, and a booking journey with proper states and validations.

#Next.js#React Query#Zustand#Zod#Playwright
View case study

Note: Some details are intentionally general due to NDA.

Data UI · Performance-first

Analytics Dashboard (Calm Neon)

Lightweight dashboard UI with filtering, pagination, and responsive layouts designed for clarity and speed.

#React#TypeScript#Performance
View case study

Note: Some details are intentionally general due to NDA.

Experience

Frontend Developer

emote Care · Remote - UK based

2024 – 2026

Built and shipped frontend features in a production healthcare platform, with a strong focus on UX, maintainability, and reliable analytics.

  • Delivered end-to-end UI features with clean state management and reusable components.
  • Implemented and validated conversion tracking improvements (events, flows, and edge cases).
  • Collaborated cross-functionally with product/design/backend to ship iteratively.
  • Improved UI consistency by applying design-system-like patterns across pages.

Some implementation details are intentionally general due to NDA and privacy constraints.

Skills

React / Next

  • React 18+
  • Next.js 14
  • TypeScript
  • Server Components
  • React Hooks

State & Data

  • Zustand
  • React Query
  • Redux Toolkit
  • Context API
  • REST & GraphQL

UI Engineering

  • Tailwind CSS
  • Radix UI
  • Framer Motion
  • Responsive Design
  • Accessibility (A11y)

Testing

  • Jest
  • React Testing Library
  • Playwright
  • Vitest
  • Cypress

Tooling

  • Vite
  • Webpack
  • Git
  • GitHub Actions
  • Vercel
  • Docker

Impact

Production Features

Shipped user-facing UI with reliability and performance in mind.

Tracking & Analytics

Improved event quality and attribution for conversion measurement.

Reusable Components

Created reusable UI patterns to speed up development and reduce bugs.

Cross-functional Work

Worked closely with design, product, and backend to ship iteratively.

Let's build production-ready products.

Open to frontend roles focused on React, Next.js, and shipping quality user experiences.