Rui Duarte

Senior Frontend Engineer · Lisbon, Portugal

I specialize in design systems and building interfaces that feel alive. With deep experience in React and Next.js, I build performant, scalable web applications and sites.

Featured Work

Tiger Data

Shaping the console with Product and Design, from new features to the Design System and performance work.

48 → 88
Lighthouse performance
Up to 3×
less JavaScript per page
6×
faster CI builds
Screenshot of the Tiger Cloud console showing a list of services, in both light and dark mode

Project services, light and dark

Screenshot of the Tiger Cloud console showing the command palette in light mode

Command palette

TheSix

A Next.js and Sanity site for a beauty and wellness destination in Mayfair.

90+
Lighthouse, mobile & desktop
GSAP
animations
Screenshot of the home page of TheSix showing an intro heading and a grid of treatments provided

Home page

Loading sequence

Plum Guide

Four years leading the frontend of a luxury rentals marketplace, including A/B tests with Product and Analytics.

30 → 85
Lighthouse performance
Design System
lead
Monorepo
migration
Screenshot of the Plum Guide home page showing a hero section with the background image of a home's backyard with a pool and a mountainscape

Home page

Screenshot of the Plum Guide listing page of a property in England called Stone Manor

Listing page

Experience

Projects

  • Pillr

    2025

    AI outreach for recruiters

  • TheSix

    2024 – 2025

    Beauty and wellness salon

  • Podback

    2022 – 2023

    Coffee pod recycling programme

  • Fell & Scar

    2021

    Brand and interior design studio