Marcel Mateos Salles
Hey! I'm Marcel, an incoming senior at Brown University studying Computer Science and Economics. I'm a backend engineer and ML/AI researcher with a passion for intersecting software engineering with cutting-edge research in ML/AI. My current research interests lie in LLMs, model interetability, and self-supervised learning. This summer I am interning at Pinterest as a backend engineer on the observability team and am currently a researcher with Prof. Randall Balestriero.
Experience
Software Engineer Intern
Backend - Observability Team
Developing GenAI tools (such as agents, MCP servers, anomaly detection) for all engineers at Pinterest.
Summer 2025Teaching Assistant
CSCI 1470: Deep Learning
Brown University
Dec 2024 - May 2025Researcher
Balestriero Lab @ Brown University
Researching spurious correlation in language models. Check out our new paper!
Oct 2024 - PresentSoftware Engineer Intern
Dexcom
Developed architecture for a new mobile app and designed a novel algorithm to target 700k new stakeholders
Jun 2024 - Aug 2024Teaching Assistant
Econ 1000: Using Big Data to Solve Social and Economic Problems
Brown University
Sep 2023 - Dec 2023Researcher
SAVE Lab @ UTSA
Updated tensorflow models / data pipelines
May 2023 - Sep 2023Incoming Senior studying Computer Science and Economics
Brown University
GPA: 4.0
Sep 2022 - PresentProgramming Languages
Frameworks/Libraries
Recent Projects
Reddit Depression Symptom Detection
A computational linguistics project that uses Reddit data to detect symptoms of depression.
SpotiDuo
A music-based language learning app featuring support for over 150 languages, user inputs, and a recommendation algorithm to continue learning
Little Label Learners
A novel semisupervised learning technique based on biological development.
SpacePals
Hack@Brown 2024 project aimed at entertaining users through a pokemon-like game of space exploration.
Campfire Stories
Hack@Brown 2023 project aimed at improving camping safety through storytelling.
Get in Touch
Think I'd be a good fit for your team? I'm always interested in hearing about new projects, opportunities, and challenges!
Email Me!