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SidneyRoberto9/README.md

Sidney Roberto

Backend & Full Stack Software Engineer

Software engineer focused on backend and full-stack development, building applications primarily with Java, Spring Boot, TypeScript, React and Next.js.

I enjoy working on application architecture, APIs, authentication, developer tooling and reliable software. I also build desktop and systems-oriented projects with Rust and Tauri.

Based in João Pessoa, Brazil.

Skills

Core

Java Spring Boot Spring Security TypeScript React Next.js PostgreSQL

Complementary

Node.js Fastify MySQL SQLite Docker GitHub Actions

Links & Contact

LinkedIn Email

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  1. echora echora Public

    Mood-first, extremely lightweight desktop audio player for Linux.

    Rust

  2. cutiefly cutiefly Public

    API-first URL shortener with private links and 7-day auto-cleanup, built with Next.js 15, Prisma and serverless Postgres.

    TypeScript

  3. sentret-session sentret-session Public

    Database-backed session authentication for Spring Boot 3 with secure HttpOnly cookies and no Redis dependency.

    Java

  4. rotom rotom Public

    Java utilities for Brazilian applications — CPF/CNPJ validation, CEP fallback, business days, phone numbers and formatting.

    Java

  5. brev.ly brev.ly Public

    Fullstack URL shortener with paginated links and streamed CSV access reports, built with Fastify, Drizzle, React and Cloudflare R2.

    TypeScript

  6. riska riska Public

    Simple checklists, synced between phone and PC — named sessions with a PIN, or a local no-account mode. List and kanban views, drag-and-drop, per-page statuses.

    TypeScript