António Goulão

Senior Mobile & Frontend Developer

UpHill, S.A. — Lisbon

Mar 2024 — Present

• Led the full React Native rewrite of Liber, UpHill's multiplatform app (Android, iOS, iPadOS), on an Expo-based architecture — state and data with Zustand, React Query and MMKV; quality with Jest and Maestro; integrations with Stripe, Sumsub, Sendbird, Algolia, Intercom, Firebase and Sentry.
• Built Lanyard, an RPA service that navigates and extracts data from a third-party web app (Node.js, Playwright, TypeScript).
• Maintain and evolve the platform interface used by doctors and nurses to manage patient journeys.
• Integrated AI coding agents (Claude Code, Codex) into the daily workflow — scaffolding, test generation and large-scale refactors during the Liber rewrite.

Senior Mobile & Frontend Developer

Collibra — Brussels

2018 — 2024

• Led development of Collibra for Mobile, a greenfield Expo/React Native app for Android, iOS and iPadOS — from architecture to store release pipelines.
• Built the Data Marketplace portal, helping users find, understand and collaborate with trusted data (React, GraphQL, React Query, MUI).
• Shipped Collibra for Desktop, a multiplatform Electron app for macOS, Windows and Linux.
• Maintained and evolved the native Swift 5 app for iOS and iPadOS.
• Built browser extensions integrating the Collibra platform into Chromium browsers and Tableau dashboards.

Consultant

Celfocus S.A. — Lisbon

2015 — 2018

• Built mobile apps for Android.
• Developed Java EE back-end services, deployed with Docker on AWS EC2.
• Built front-end apps with JSF and React.
• Created Skills for the Amazon Alexa service.

Summer Intern

Premium Minds — Lisbon

2013

Built Billy, an invoicing library that lets applications create, manage and store billing artifacts such as invoices and credit notes, with export to PDF and SAF-T formats.