Leonardo Fissicaro_

Software engineer · Belo Horizonte, BR

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$ about

Software engineer based in Belo Horizonte, Brazil. I build pragmatic web platforms — from data infrastructure to AI-powered tooling — and care a lot about craft, performance, and how a product actually feels in the hand.

$ work

  1. GoodStream 2024 — present
    Software Engineer

    Building AI-powered tools and evals for streaming workflows.

  2. Liva 2022 — 2024
    Software Engineer

    Healthtech platform engineering across web and back-end.

  3. Agrosatélite 2021 — 2022
    Software Engineer

    Geospatial platforms for agricultural intelligence.

  4. Serasa Experian 2019 — 2021
    Software Engineer

    Credit and identity data products at scale.

  5. Me4U 2018 — 2019
    Software Engineer

    Early-career generalist work on consumer products.

$ stack

Frontend

  • TypeScript
  • SvelteKit
  • Svelte 5
  • Tailwind v4

Backend

  • Hono
  • Drizzle
  • Cloudflare Workers

Infra

  • Cloudflare
  • Vite
  • pnpm/turbo
  • Biome

AI/Data

  • Braintrust
  • LLM evals
  • Prompt design