Computer Science Student at Carnegie Mellon
CS Student at Carnegie Mellon University
CS Student at CMU
Marshall Mandell
Game DevelopmentSoftware EngineeringQuantitative Research
Experience
Quantbot TechnologiesApril 2024 – August 2025
Quantitative Research InternRebuilt pipelines from Pandas to Polars (10x speedup), parallelized training with Ray, and developed proprietary trading indicators.CMU School of Computer ScienceJanuary 2025 – Present
Research Assistant (LTI) · Teaching Assistant (15-112)Architecting Forger, a synthetic data generator for LLM training. Led recitation for 30 students and authored an LLM tutoring guide adopted course-wide.ListenLabsDecember 2025 – Present
Software Engineering InternBuilt AI focus group simulator and a RAG-powered Slack bot automating survey feasibility reports across 1,400+ studies.Voldex GamesDecember 2019 – July 2022
Producer & Staff ManagerDrove ~185% revenue growth to $2M annually, ranked game top 10 on Roblox, and led a cross-functional team serving 12,000+ DAU.XRBridgeJanuary 2026 – Present
Co-Founder and Lead DeveloperWon 3rd at NexHacks. Built a Unity deployment layer for real-time CV inference on Quest with SAM3 segmentation.Nexus GamingAugust 2022 – Present
Founder and CEOFounded a Roblox and Garry's Mod studio, coordinating 5 developers and selling 2 Lua add-ons for $9,000+ in revenue.Projects
Let's build something together