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Achievement: StarstruckAchievement: Pull Sharkx3Achievement: Pair Extraordinairex2Achievement: YOLOAchievement: QuickdrawAchievement: Arctic Code Vault Contributor

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roxdavirox/README.md

Davi Coutinho

Software Engineer · São Paulo, Brazil

LinkedIn Email

About

8+ years building web applications, APIs, and automation tools. Started with .NET/C#, evolved through React/Node.js, now focused on TypeScript ecosystems and Agentic Engineering — multi-agent orchestration, browser automation, and AI-powered workflows.

Passionate about software craftsmanship: clean architecture, DDD, SOLID principles, and building maintainable systems.

Domains: e-commerce, marketplaces, healthcare, enterprise portals.

Tech Stack

Frontend

TypeScript React Next.js Vue TanStack Redux Zustand Tailwind Ant_Design

Backend

Node.js NestJS Express tRPC GraphQL Prisma Zod .NET

Cloud & Serverless

AWS Lambda DynamoDB S3 SQS Cognito Serverless Azure_AD

Database & Infra

PostgreSQL MongoDB Redis Docker Nginx Linux PM2

Testing & Quality

Playwright Jest Testing_Library Storybook Supertest

DevTools & Monorepos

Git Turborepo pnpm Lerna Neovim Rust Lua

Software Engineering

Passionate about software craftsmanship and building maintainable systems.

Principles & Practices

  • SOLID, KISS, DRY, YAGNI
  • Clean Code & Refactoring
  • Test-Driven Development (TDD)
  • Continuous Integration/Delivery

Architecture Patterns

  • Clean Architecture — Layers, dependency inversion, use cases
  • Domain-Driven Design — Bounded contexts, aggregates, domain events
  • Hexagonal/Ports & Adapters
  • Event-Driven Architecture

Monorepos & Modularity

  • pnpm workspaces, Lerna, TurboRepo
  • Shared packages with type-safe contracts
  • Consistent tooling across projects

Current Focus

Agentic Engineering

  • Multi-agent orchestration with parallel execution
  • Browser automation via Chrome extension + MCP servers
  • Task coordination with state management
  • Real-time WebSocket communication
  • Model Context Protocol (MCP) integration

Dev Toolbox

  • Cloud dev environment with isolated workspaces
  • Reverse proxies, SSL automation, PM2 orchestration
  • Multi-project management

Studying: Functional programming (fp-ts, Effect), distributed systems, Rust

Featured Projects

Project Description
socket-whatsapp ⭐36 WhatsApp Web real-time socket integration
take-home ⭐21 Production fullstack monorepo (Next.js + NestJS + Prisma)
mago AI workflow platform with parallel agents & MCP
aurea Healthcare credentialing with tRPC + Playwright E2E
clean-api Clean Architecture Node.js API with TDD

Journey

Period Focus
2016-2018 C#, ASP.NET MVC, Entity Framework, DDD
2019-2020 React, Node.js, WebSocket, Clean Architecture
2021-2023 Microservices, TypeScript, TDD, Monorepos
2024-now AI Agents, Rust, Serverless, Healthcare

80+ repositories · Building since 2016

Pinned Loading

  1. take-home take-home Public template

    Fullstack monorepo with Next.js 15 (App Router) and NestJS using Prisma, Redis, React Query v5 and Docker Compose.

    TypeScript 21 1

  2. socket-whatsapp socket-whatsapp Public

    WhatsApp Web socket integration for Node.js - Real-time messaging automation

    JavaScript 36 12

  3. agent-weaver agent-weaver Public

    3D visualization and orchestration tool for AI agent workflows

    TypeScript

  4. tecnomancy/alchemy tecnomancy/alchemy Public

    Functional programming primitives for TypeScript — every type inferred, zero dependencies.

    TypeScript 4

  5. lume lume Public

    Mobile-first React components. Zero runtime CSS. PWA-native. Dark mode built-in.

    TypeScript

  6. tecnomancy/mago-office tecnomancy/mago-office Public

    Virtual office visualization for MAGO agents and human collaborators — 2D workspace with real-time presence

    TypeScript

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