Smaller projects, technical challenges and earlier work, kept here for reference. The Cases page has my current work in depth.
Technical challenge, 2026
A payment API where retries and concurrent requests with the same Idempotency-Key always return the same stored result, without duplicate processing. PostgreSQL is the only source of truth, and integration tests run against a real database.
Node.js, TypeScript, Express, PostgreSQL, React, Vite
Personal project, 2025
A financial portfolio dashboard with allocation and performance charts, a positions table, and light and dark themes.
Next.js 14, TypeScript, Recharts
Full-stack exercise, 2025
Projects and tasks with JWT authentication and a drag-and-drop kanban board, built as a frontend and backend monorepo from a written requirements spec.
React, TypeScript, TanStack Query, Express, Prisma, MySQL
Technical challenge, 2025
A lead and opportunity console for sales teams: filtering, search, and converting leads with optimistic updates that roll back on errors.
React, TypeScript, TanStack Query, Zustand, Tailwind CSS
Technical challenge, 2025
An Angular app to manage insured vehicles, with validated forms, local persistence and an interface that follows the insurer's visual identity.
Angular 18, Signals, TypeScript
Personal project, 2025
A web app that randomly picks who makes the next round of drinks, with participant management backed by a C# .NET API.
Next.js 14, TypeScript, Tailwind CSS, shadcn/ui
Full-stack project, 2022
A social network for sharing favorite songs, playlists and podcasts.
Next.js, React, Node.js, MongoDB, styled-components
Full-stack project, 2022
A cross-platform app for the 2022 World Cup where friends create pools and predict match results together.
React Native, Next.js, Node.js, TypeScript, NativeBase
Mobile study, 2022
A banking app interface for iOS and Android, animated with Moti and React Native Reanimated.
React Native, Reanimated, Moti
Mobile game, 2022
A Flappy Bird game for iOS and Android with a React Native game engine and Matter.js physics.
React Native, Matter.js, TypeScript
Technical challenge, 2022
A Netflix-style catalog on The Movie Database API, built to study Next.js server-side rendering in practice.
Next.js, React, styled-components, Material UI
