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Willians Gonzaga de Matos / WGM

Solution architecture and AI context engineering

I design the solution.Structure the AI.Validate the delivery.

I define architecture, organize context and coordinate AI agents to build software and applications. Business rules, review and testing guide the work.

WGM asymmetric technology keyboard, monitor showing CloudPOS, smartphone showing CloudPass and a graphite compute node with green accents.
WGM / SOFTWARE ECOSYSTEM
Technologies I work with
  • HTML
  • CSS
  • JavaScript
  • React
  • Next.js
  • Hono
  • React Native
  • Electron
  • Tauri
  • C++
  • Docker
  • GitHub
  • PostgreSQL
  • Supabase
  • Cloudflare
  • AWS
  • Google Cloud
  • Nuvemshop
  • Shopify

01 / WGM

Intelligence in how the work is directed.

I’m Willians Gonzaga de Matos, based in Jundiaí, Brazil. My work combines solution architecture, context engineering and AI-assisted software development. I translate business needs into scope, workflows and decisions that guide implementation.

I structure project memory, instructions, retrieval indexes and agent responsibilities in Claude Code and Codex. This context supports complex work with continuity and clear validation criteria.

In CloudPOS, this work takes shape in web, desktop and mobile applications, offline operation and payment integrations. Its AI features combine RAG and tool calling with rules where the model proposes and the application validates.

02 / CONTEXT & ARCHITECTURE

From context to real software.

Architecture to guide. Context to maintain continuity. Validation to turn implementation into delivery.

Conceptual composition of user, context, Claude, Codex, tools, memory and real software modules.USERCONTEXTCLAUDECODEXTOOLSMEMORYREAL SOFTWARE
Conceptual process overview
  1. 01

    Context

    Business rules, memory and scope before implementation.

  2. 02

    Execution

    Agents and tools with clearly defined responsibilities.

  3. 03

    Validation

    Review, testing and verification of the result in use.

03 / SELECTED WORK

Real products. From idea to operation.

A selection of my own products and client projects. Select a thumbnail to explore each screen.

EFFECT HOUSE / INTERACTIVE

Effects you can play.

Three real TikTok effects, adapted into 3D mini-games you can play here.

views
142M+
posts
167K+
tries
18M+
likes
3.4M+

229,583 shares · Effect House Analytics · checked October 16, 2026

Pop the Balloon

Web adaptation based on a real TikTok effect · Pop the Balloon Tower

Score 0Time 20s
20 SEC / ≈ 132.8M VIEWS

Pop the Balloon

Wait for the aim to line up, then tap the playfield to fire. On a keyboard: ← → and Space.

No camera, account or data submission.

Wait for the aim to line up, then tap the playfield to fire. On a keyboard: ← → and Space.

View the original TikTok effects
3D presentation of the ecosystem: Efeitos no TikTok
Efeitos no TikTok1 / 4

Augmented reality

Own product

Efeitos no TikTok

Interactive games and effects built in Effect House for TikTok. From 3D mini-games to aiming and reflex challenges, with results recorded on the profile.

See details

I build camera-based experiences: people open the effect on TikTok, interact with it and can record a video to post on their profile.

The effects include running games, aiming challenges, object collection, flag painting and random picks. Three of the most used effects now have playable web adaptations in this portfolio.

I can also create custom effects for brands and campaigns, adapting the visuals and interaction to the project.

  • JavaScript
  • Effect House

04 / EXPERTISE

What I do

05 / WGM

Let's talk.

Reach out to quote a project or to bring me into your team as a developer.

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