Rowan Vale
Senior Product Engineer · Design systems, web performance, offline-first apps
Lisbon, Portugalrowan@example.comcv-to-portfolio-demo.vercel.app/boldrowan.examplegithub.example/rowanvalelinkedin.example/in/rowanvale
About
Product engineer with 9 years of experience turning fuzzy ideas into fast, accessible interfaces. I lead design-system work, care a lot about the first 100 milliseconds, and like small teams that ship weekly. Currently building offline-first tools for field researchers at Northwind Labs.
Outside work I maintain two open-source libraries and mentor at a local coding school.
Experience
Senior Product Engineer, Northwind Labs
– PresentLisbon (hybrid)
- Lead the front end of Fieldbook, an offline-first data-collection app used by 4,000 researchers in 30 countries.
- Cut median page load from 3.8 s to 1.1 s by moving to streaming server rendering and an image CDN.
- Started and run the design system (60 components, documented in Storybook) used by 5 product teams.
Front-end Engineer, Contoso Health
–Remote
- Rebuilt the patient booking flow; completed bookings rose 23% and support tickets fell by a third.
- Brought the web app to WCAG 2.1 AA and added automated accessibility checks to CI.
Web Developer, Fabrikam Studio
–Porto
- Built 40+ marketing sites and e-commerce stores for clients in retail and tourism.
- Introduced component-based CSS and visual regression tests to the agency.
Junior Developer (internship), Tailspin Toys
–Porto
Projects
Tidepool
tidepool.example
Open-source CRDT sync engine for offline-first web apps.
Contrast Cat
Browser extension that flags low-contrast text while you design.
Fieldbook
Offline-first research app built at Northwind Labs.
Tiny Atlas
2020A 9 kB vector map renderer for slow phones.
Education
MSc Human–Computer Interaction, University of Example Lisbon
–Thesis: “Perceived speed in progressive web apps”. Graduated with distinction.
BSc Computer Science, Example Polytechnic of Porto
–Skills
Programming languages: TypeScript, JavaScript, Rust, SQL
Front end: React, Svelte, Web Components, CSS architecture, Accessibility (WCAG), Web performance
Tooling: Vite, Playwright, Storybook, GitHub Actions, Figma
Certifications
- Certified Professional in Accessibility Core Competencies (CPACC), IAAP, 2021
Languages
Portuguese (Native), English (Fluent), French (Conversational)