Lausanne, Switzerland

Oscar
de Francesca

Systems-oriented software engineer with a focus on performance, reliability, and data systems. CS Master's student at EPFL, starting at Bloomberg.

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Oscar de Francesca

About

I'm a Computer Science Master's student at EPFL (Swiss Federal Institute of Technology) with a focus on systems, security, and data-intensive applications. I hold a BSc in CS from the University of Groningen (cum laude, 8.6/10 average). I care deeply about writing reliable, performant software and building systems that scale.

Systems & Performance

OS, concurrency, distributed systems

Machine Learning

LLMs, probabilistic models, forecasting

Security & Data

Applied cryptography, data pipelines

Experience

Professional roles and positions — click any card for details.

Data Science Intern

Researchable

Jun 2023 — Sep 2023 · Groningen, Netherlands

Built data pipelines and ML models for an academic analytics platform, working on research impact metrics and trend analysis.

PythonPandasScikit-learnPostgreSQLDocker

Teaching Assistant

University of Groningen

Apr 2023 — Jul 2024 · Groningen, Netherlands

Taught and mentored undergraduate CS students across multiple courses including Imperative Programming, Algorithms & Data Structures, and Concurrent Programming.

CJavaPythonHaskell

Software Engineering Intern

ASML

Feb 2023 — Sep 2023 · Veldhoven, Netherlands

Worked on lithography control systems software at the world's most advanced semiconductor equipment manufacturer, contributing to performance-critical C++ codebases.

C++PythonLinuxGitJenkins

Blockchain Engineering Intern

Securrency

Jul 2022 — Aug 2022 · Abu Dhabi, UAE

Developed smart contracts and backend services for a blockchain-based securities platform, working on tokenization of financial instruments.

SolidityTypeScriptNode.jsEthereumHardhat

Featured Projects

Selected work across research, coursework, and personal projects.

FeaturedEPFL

Medical LLM from Scratch

June 2025 · school

Built a large language model from first principles and fine-tuned it on public medical conversational and MCQ datasets for clinical question answering.

mlllmnlp
FeaturedEPFL CFI Lab

Uncertainty-Aware Solar Forecasting

December 2024 · school

Developed probabilistic solar irradiance forecasting models that quantify prediction uncertainty, enabling more reliable grid integration of solar energy.

mlprobabilisticforecasting
FeaturedUniversity of Groningen

AI Research Management Platform

July 2024 · school

Designed and built a full-stack platform for managing AI research workflows — paper tracking, experiment logging, and collaborative annotation — as my BSc thesis project.

webbackendml
FeaturedUniversity of Groningen

Miniaturized Robotic Swarms

March 2024 · school

Developed coordination algorithms for miniaturized robot swarms in collaboration with MIT, focusing on decentralized decision-making and emergent collective behavior.

systemsroboticsconcurrency
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Education

MSc Computer Science

EPFL · 2024 — 2026

Average 5.6/6. Minor in Management, Technology & Entrepreneurship. Focus on systems, security, and machine learning.

BSc Computer Science

University of Groningen · 2021 — 2024

Cum Laude, average 8.6/10. Coursework in algorithms, operating systems, concurrent programming, and data systems.

Skills & Tools

Languages

PythonC/C++JavaTypeScriptRustSQL

ML & Data

PyTorchTensorFlowPandasNumPyScikit-learn

Systems & Web

LinuxDockerGitReactNext.jsNode.js

Practices

CI/CDTestingAgileCode ReviewTechnical Writing

Let's Connect

I'm always open to interesting conversations about systems, research, or potential collaborations.

Email MeLinkedInGitHub