SYSTEM ONLINE
<Backend/>
Engineering
Specialist
Senior Backend Engineer architecting high-performance systems. Bridging the gap between NestJS flexibility and Rust safety. Focusing on Domain-Driven Design and scalable infrastructure.
UTF-8
TS users.controller.ts
@Controller('users')
export class UsersController {
constructor(
private readonly service: UserService
) {}
@Get(':id')
async findOne(@Param('id') id: string) {
return this.service.findById(id);
}
}RS users_handler.rs
async fn get_user(
Path(id): Path<Uuid>,
State(pool): State<PgPool>,
) -> impl IntoResponse {
let user = sqlx::query_as!(
User,
"SELECT * FROM users WHERE id = $1",
id
)
.fetch_one(&pool)
.await
.unwrap();
Json(user)
} NORMALmaster*
01. Experience Log
A track record of solving complex engineering problems, from architectural design to critical production deployments.
Senior Backend Engineer
APR 2025 — PRESENTDuofy
- Architected a high-performance multi-tenant context system using AsyncLocalStorage, reducing code coupling by 40%.
- Designed a 'Zero Data Loss' loyalty sync engine using RabbitMQ and cron jobs that survived critical ERP outages.
- Optimized microservices memory footprint by implementing dynamic lazy loading for native C++ hardware drivers.
NestJSRabbitMQNode.js Architecture
Tech Lead
SEP 2024 — APR 2025Fox Digital
- Solely resolved a critical production failure in the government fiscal integration (SEFAZ) during a holiday peak, ensuring zero downtime.
- Led the migration to containerized microservices (Docker/K8s), cutting cloud infrastructure costs by 15%.
- Automated the entire corporate communication pipeline, eliminating 20+ hours of manual operations monthly.
KubernetesMicroservicesSystem Resilience
Software Engineer
MAY 2023 — JAN 2024Emestone Mining
- Orchestrated the complete production rollout, taking the project from local development to a live cloud environment.
- Engineered high-performance dashboards, boosting page load speeds by 30% via advanced lazy loading strategies.
- Established automated testing protocols that reduced production bug reports by 40%.
ReactCI/CDPerformance Engineering
02. Engineering Labs
COMPILER ARCHITECTURERUST + TS
Tyrus (The Oxidizer)
An experimental source-to-source compiler designed to bridge NestJS agility with Rust safety. It statically analyzes TypeScript ASTs to generate idiomatic, type-safe Rust code (Axum/Tokio) for backend services.
AST ParsingStatic AnalysisCode GenerationRust
view_sourceLANGUAGE DESIGNESOTERIC
GoiásScript
A Turing-complete programming language implementing a custom lexer and parser. Built to demonstrate AST manipulation while paying homage to the Brazilian “Caipira” dialect.
Custom LexerParser LogicTokenizationJavaScript Compilation
read_documentation