01Private professional case · Mar 2025–Sep 2026
01 — Foundation
DIT / IFAL ↗
Keep contracts consistent as the system evolves.
GoEchoGORMPostgreSQLREST APIs
Explore the case study →THE BUILDER’S WORLD / THE COMPLETE INDEX
17Projects &
Projects &
contributions.
From foundations to experiments. Explore the architecture, implementation evidence and next steps of each build.
02Personal project · in development
02 — Structure
EduRepo ↗
Knowledge needs versions, permissions and history.
Next.jsTypeScriptPrismaPostgreSQLRedis
Explore the case study →03Personal project · in development
03 — Intelligence
StratHUB ↗
From PDF methodology to a verifiable strategy specification.
PythonFastAPIRustTypeScriptNext.js
Explore the case study →04Personal project · public source · work in progress
04 — Systems and markets
Argus ↗
Explainable market data, reproducible state.
RustL2 order booki128SPSCSerde
Explore the case study →05Private personal project · experimental
AI — Agent coordination
AIBE — AI Business Engine ↗
Specialized agents need coordination, contracts and boundaries.
PythonFastAPIPydanticasyncioNATS
Explore the case study →06Personal project · public source · work in progress
Systems — Market integration
MERCURY ↗
Integrating markets takes more than comparing prices.
RustTokioWebSocketrust_decimalSQLx
Explore the case study →07Personal project · public source · work in progress
Experiments — Speech inference
TTSapi ↗
Turn a speech model into a usable API.
PythonFastAPIPyTorchtorchaudioJWT
Explore the case study →08Personal application prototype
Experiments — Mobile
RespiraBem ↗
Local scheduling and weather context in a mobile interface.
FlutterDartSQLitesqfliteHTTP
Explore the case study →09Personal project · in development
Experiments — AI and integrations
IA Vendedora ↗
Connect messages, knowledge and service state.
Node.jsJavaScriptExpressGeminiEmbeddings
Explore the case study →10Personal project · in development
Experiments — API contracts
License Server ↗
Represent a license lifecycle with explicit rules.
PythonFastAPIPydanticSHA3-256REST APIs
Explore the case study →11Personal UI prototype
Experiments — SaaS interface
Automato AI Sales ↗
Give visual form to campaigns and service workflows.
ReactTypeScriptViteTailwind CSSReact Router
Explore the case study →12Event-interface project
Experiments — Event portal
Jogos IFAL ↗
Schedules, teams and sports in one navigation flow.
ReactTypeScriptViteTailwind CSSReact Router
Explore the case study →13Personal OOP and CLI exercise
Experiments — Software foundations
Biblioteca ↗
A terminal catalog for exploring contracts and polymorphism.
TypeScriptNode.jsOOPInterfacesPolymorphism
Explore the case study →14Personal frontend study
Web studies — APIs and states
Clima ↗
Turn a city query into interface state.
HTMLCSSJavaScriptFetch APIJSON
Explore the case study →15Personal layout exercise
Web studies — CSS layout
Sidebar ↗
Build visual hierarchy with HTML and CSS.
HTMLCSSFlexboxCSS variablesTransitions
Explore the case study →16Personal component study
Web studies — React forms
Login UI ↗
Explore form states before integrating authentication.
ReactTypeScriptTailwind CSSControlled inputsUI components
Explore the case study →17Personal editorial-site study
Web studies — Content and navigation
Suíça Turismo ↗
Organize content into a multi-page editorial experience.
HTMLCSSResponsive layoutFormsMulti-page navigation
Explore the case study →