guilherme sequeira

hey, i'm Guilherme

ML engineer.

MSc Data Science @ UZH. interested in NLP, research, and explainability. previously co-founded Aevux, researched at DDIS Lab.

github linkedin email

projects

describe a work process in plain english and get a structured flowchart your team can keep.

python fastapi claude chromadb aws ec2

real-time marketplace for CS skins. .

python fastapi aws ec2

research & technical

AI text detection

DeBERTa-v3 · stylometrics · 0.956 F1

Multi-view ensemble combining DeBERTa-v3, statistical curvature, and stylometric features. Validated against T5 adversarial perturbations.

S&P 500 directional forecasting

Transformer · LSTM · Kalman filter · MoE

76.3% directional accuracy using a Transformer encoder on 8 years of weekly technical indicators. Compared against LSTM, learnable Kalman filter, and Mixture-of-Experts.

all systems online zürich, ch