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Miguel Cerne
Miguel Cerne
Software Engineer
// core

I build data systems for finance — the kind where being wrong is expensive.

Software engineer working where software, data, and quantitative finance meet. Currently at JGP Crédito, on the infrastructure behind financial-markets data.

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// what i do

Three disciplines, one thesis: use data to solve finance problems, and engineer the systems that make the solution dependable.

01
Software Engineering

Typed, tested systems — APIs, services, and the infrastructure that keeps them dependable in production.

02
Data Engineering

Pipelines and models built on data that spans years, with validation that catches leakage before production does.

03
Quantitative Finance

Financial-markets domain knowledge — the market structure and instruments the data and systems actually serve.

// rings

Selected work

data · finance

NeuraTrade

Unsupervised anomaly detection over 14 years of B3 equities with an LSTM-autoencoder, built so the methodology actually holds up.

key decision

Every decision is a logged ADR (18 of them, including ideas rejected with proof — Transformers, Optuna, weight decay), guarded by 32 tests and walk-forward validation against temporal leakage.

View projectCode ↗
system design

Olha o Pesado

An autonomous-robot MVP built on a clean observer-pattern core, so vision, control, and results stay decoupled.

key decision

Signals are typed — Frame, Control, Result — so each subsystem reacts to events without knowing about the others. Architecture as the feature.

View projectCode ↗
// more work
SnippetVault

A deployed full-stack vault for code and prompt snippets — JWT auth, tagging, search, favorites.

Code ↗
Graph Theory Library

A personal library of graph representations and algorithms, built from the ground up.

Code ↗
// currently

Software Engineering Intern at JGP Crédito — building infrastructure for financial-markets data.

TypeScriptPythonNode/NestJSReactPostgreSQLDocker
// get in touch

Building something where data, finance, and reliability matter? Let's talk.

Message me on LinkedInGitHubmiguelcerne.dev@gmail.com
Miguel Cerne — Software engineer for data & finance systems