Rajan Agarwal

I'm a Software Engineering student at Waterloo working on coding agents and reinforcement learning, through a mix of independent research and work with Proximal, Thinking Machines, Amazon AGI, Thoughtful Lab, and Kino AI.

Notable Work

FrontierSWE(Apr 2026)
Ultra long-horizon coding agent benchmark for engineering and research.
Related:Anthropic,Modular,Thoughtful Lab,Prime Intellect
Amazon Nova Act(Dec 2025)
RL for Amazon Nova Act, a browser-use agent. Co-led enterprise performance.
Related:Amazon RL Training
LLMs invent compression(Nov 2025)
Discrete compression schemes learned by LLMs for long-context compaction.
Related:Deep Learning with Yacine
Natural deception with RL(Nov 2025)
Hidden-information game agents trained with RL and studied for emergent deception.
LLINK: Cross Lingual Alignment via Encoder Injection(Oct 2025)
Multilingual alignment through encoder injection under Cohere Labs.
Shadow(Aug 2025)
Open-source background coding agent that runs in isolated environments. 1.5k+ Stars.