Gustavo Rossich

> |

Building high-performance backend systems and full-stack applications. Go APIs, Python services, SvelteKit and React Native — deployed and running in production.

CURRENTLY

Full Stack Developer

Open to opportunities

FOCUS

GoSvelteTypeScriptNode.jsReact NativeVue/Nuxt

Featured Projects

Medicaments API

High-performance JSON API for French medicaments data featuring atomic zero-downtime updates, concurrent processing, and variable-cost rate limiting.

GoConcurrent PipelineVariable Rate LimitingOpenAPI 3.1ETag CachingO(1) MapsHTTP CachingDockerGrafanaPrometheus

// Architecture: Interface-based API with atomic data swaps and concurrent processing

Garage V. Parrot

Full-stack automotive service website with admin panel, featuring vehicle inventory management, customer reviews, contact forms, and automated image processing.

SvelteKitTypeScriptSupabasePostgreSQLRow Level SecurityPlaywrightDaisyUIVercel AnalyticsVitestZod

// Architecture: SvelteKit full-stack application with Supabase backend and PostgreSQL database

Limon Agrio

Mobile app tracking Brazilian Real to Argentine Peso exchange rates with real-time API integration for financial data, historical data visualization, and swipe gestures.

React NativeExpo RouterTypeScriptNativeWindReact Native ReanimatedMobile AdsGesture HandlerAsync StorageReact Native ChartsFirebase

// Architecture: Service-oriented architecture with context state, file-based routing, and gesture-first UX

PIX Exchange Rate Tracker

FastAPI application monitoring BRL/ARS exchange rates across Brazilian financial platforms with cron-based data collection, exponential backoff retry, and comprehensive error handling.

FastAPIPydanticMongoDBAPSchedulerPython 3.13+PytestOpenAPITime SeriesExponential BackoffCircuit Breaker

// Architecture: RESTful API with scheduled background tasks, MongoDB storage, and comprehensive error handling with retry mechanisms

Other Projects

Observability Stack

Reusable, zero-config observability stack with Grafana, Loki, and Prometheus. Supports multiple tunnel configurations and zero-downtime deployment via git submodule integration.

Docker ComposeGrafanaLokiPrometheusCloudflare TunnelTailscaleWireGuardMakefile

Rapillama

Full-stack e-commerce application with comprehensive E2E and unit testing, multi-platform deployment, and production monitoring.

SvelteKitTypeScriptPlaywrightVitestRollbarResend

Books CRUD Application

Full-stack book library management system with dynamic form generation, real-time validation, dual storage architecture, and automated Open Library integration.

Nuxt 3Vue 3TypeScriptDrizzle ORMTursoZodshadcn/ui

Get In Touch

Currently available for freelance work and interesting projects. Whether you have a question or just want to connect, feel free to reach out.

Email gustavorossich@outlook.com

Location Toulon, France

Send Message