// hi, I'm
Lucas Migueis
Full Stack Developer
v4.2I build software the Portuguese government runs on.
01.
About me
└ INTRO
Four years building services for the Portuguese government, used by millions. I work in Next.js, TypeScript, .NET and React Native. I move between code and design, and lead the team technically when there's no one else around to do it.
- Years
- 4+
- Users
- 8M+
- Based
- PT
Languages
EN · PT · ES
02.
Selected projects
└ 5 ITEMS
- 01Government · 2025
Chave Móvel Digital
Backend on Portugal's national digital authentication service used by 8M+ citizens.
- .NET
- C#
- REST
- SOAP
- SQL Server
- 02Government · 2025
Serviço de Alteração de Morada
Frontend lead for Portugal's new government address change service, replacing a legacy system.
- Next.js 15
- TypeScript
- Tailwind
- Jest
- Kubernetes
- Microcks
- Keycloak
- SSO
- 03Client work · 2026
Mavie Decor
Landing for a Portuguese event decoration business. Custom CMS so the owner manages the gallery, packs, reviews and leads herself.
- Next.js 16
- TypeScript
- Tailwind 4
- Drizzle
- Neon
- Vercel Blob
- GSAP
- 04Mobile · 2021
Stay Safe
Mobile safety app to identify dangerous routes via community-flagged map pins.
- React Native
- Google Maps API
- 05Personal · 2026
Personal Portfolio
Personal portfolio in Next.js 16. Bilingual, with a custom design system and a handful of interactive details.
- Next.js 16
- TypeScript
- Tailwind 4
- next-intl
- motion
- Vercel
03.
Skills
└ STACK
01
Frontend
- TypeScript
- React
- Next.js 15
- Next.js 16
- React Native
- Tailwind CSS
- next-intl
- motion
- next-themes
- Auth.js
- TanStack Query
- HTML
- CSS
- Storybook
02
Backend
- .NET
- C#
- REST APIs
- SOAP
03
Data
- SQL Server
- MySQL
- PostgreSQL
- Supabase
- Prisma
04
Infra
- Docker
- Kubernetes
- CI/CD
- Git
- Keycloak
- SSO
05
Tools & AI
- Jest
- Vitest
- Playwright
- SonarQube
- Microcks
- Figma
- GitHub Copilot
- Claude
- Vercel
- ESLint
- Prettier
- Agile / Scrum
05.
Experience
└ TIMELINE
2025 — now
Full Stack Developer
Glintt Global · Lisbon
Frontend lead for Portugal's new address change service (SAM). Next.js 15, accessibility, Kubernetes, 86% test coverage.
2021 — 2025
Software Developer · .NET
Glintt Global · Lisbon
Backend on Chave Móvel Digital, Portugal's national auth, used by 8M+ citizens. Legacy .NET 4, REST/SOAP.
2021
Mobile Developer · Internship
ThinkFuture · Entroncamento
Built an internal employee management app in React Native, end-to-end. Turned Figma prototypes from the UI/UX team into working screens.
06. Let's talk
Let's talk.
Open to freelance, full-time roles and side collaborations.