Visiting Researcher @ Stanford · Incoming Quantitative Researcher @ WorldQuant

Hello, I'm Iliass Sijelmassi

Researcher & Engineer

Currently researching AI for cardiology at Stanford University, joining WorldQuant in October. Passionate about statistics, machine learning, and markets.

Iliass Sijelmassi

About Me

I'm a Visiting Researcher at Stanford University, passionate about statistics, machine learning, and quantitative research.

Currently researching AI for cardiology at Stanford under Dr. Louise Sun. With experience at Crédit Agricole CIB and Infosys (Renault), I combine research depth with industry expertise to deliver impactful solutions.

Education

MSc Data Science & AI
Polytechnique & HEC Paris
Visiting Student @ Stanford

Location

Stanford, CA / Paris, France

Status

Visiting Researcher @ Stanford

Projects

Featured Work

Crypto Perpetuals Alpha Strategy

Dollar-neutral long-short strategy across 411 crypto perpetual futures. Ranked #1 of 13 teams on out-of-sample Sharpe (ML for Financial Markets, HEC Paris). 379 candidate features filtered via Spearman IC and correlation pruning to 316, feeding a Ridge + XGBoost ensemble under a rolling 12-month walk-forward.

PythonXGBoostRidgeWalk-forward CV

Cognitive Alpha — Spatial Decision Analytics

Quantified pass decision quality on FIFA World Cup 2022 tracking data (~5.4 GB): Expected Threat model via Markov-chain value iteration on 126k possession actions across all 64 matches, NumPy-vectorised pitch-control engine, Streamlit dashboard.

PythonNumPyMarkov chainsStreamlit

Leukemia Mortality Prediction

Survival analysis for leukemia patients. Finished top 12% in the national QRT-ENS data challenge. 75.45% IPCW C-index.

PythonRandom Survival ForestCoxPHSHAP

Options Market Maker

Real-time options market-making simulation: quoting and inventory management, served via FastAPI.

PythonFastAPIDockerPydantic

Log Anomaly Detection

LSTM-based sequence model for anomaly detection in event logs. FastAPI + Kafka streaming.

PyTorchLSTMKafkaFastAPI

Experience

Where I've Worked

Oct 2026 – Mar 2027

Quantitative Researcher Intern (Incoming)

WorldQuant

Incoming 6-month internship in systematic alpha signal research and backtesting.

Mar 2026 – Sep 2026

Visiting Student Researcher

Stanford University

Conducting research in AI for cardiology under the supervision of Dr. Louise Sun, building deep learning models to predict cardiovascular risks. Processing and extracting predictive signals from large-scale, noisy longitudinal clinical datasets, applying rigorous statistical validation to ensure robustness.

Mar 2025 – Sep 2025

Data Scientist Intern

Crédit Agricole CIB

Built audit risk prediction models (XGBoost) to forecast overdue internal audit actions on 200k+ historical records. Applied time-aware validation and SHAP for explainability.

Mar 2023 – Oct 2023

Java Consultant Intern

Infosys – Renault

Developed backend modules for supply-chain platforms (R3, EPO). Java, PostgreSQL, Oracle.

Jun 2022 – Aug 2022

Software Developer Intern

Kuyper's Auto

Built web interface and online reservation system. Direct client collaboration.

Technical

Skills & Tools

Languages

PythonC++JavaSQLRTypeScript

ML & Data

PyTorchscikit-learnXGBoostPandasNumPy

Tools

DockerGitMLflowFastAPIKafka

Contact

Let's Connect

I'm joining WorldQuant as a Quantitative Researcher Intern in October 2026, and open to full-time quantitative research roles from Spring 2027. Feel free to reach out.