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Shubhankar Kahali

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I build things at the intersection of ML and people systems. I started in offensive security — reverse engineering binaries, writing exploit chains, finding zero-days across GoogleAppleMetaMicrosoftAmazonUber. That led to Hyperpage, a cybersecurity startup I co-founded — ML-driven threat detection replacing legacy signature-based approaches with neural nets for threat classification and automated incident response. Raised $12.8M, scaled to enterprise contracts, and exited through acquisition.


Now I train and deploy custom models — domain-specific transformers, graph neural networks, contrastive embedding systems — for problems where off-the-shelf models fail quietly. I also do niche headhunting, placing senior engineering and ML leaders at Fortune 500 companies. The intuition is the same in both: figuring out what will hold under real-world pressure and what will collapse the moment conditions shift.


Most AI fails quietly — fluent answers, brittle execution. Trumbo Logo Trumbo is the stack I am building against that. Quartz is the foundation — a proprietary sparse MoE model pretrained on code, security, and synthetic agent trajectories, mid-trained through repo-level context up to 128K, then RL-aligned on coding and multi-step tool use. Lite activates a smaller expert set for reflex inference; Hyper runs full plan→reason→verify→synthesize cycles with backtracking when a step fails verification. An Agent sits on top — Plan mode to map a repo, Act mode to mutate it, with shells, browsers, and tool chains long enough to finish real work. The hosted runtime adds persistent sandboxes, stateful cloud agents, and Sentinel: 200+ deterministic signals triaged by models, traced through data flow, adversarially verified before they ship. The model does the work first. The explanation comes after it has been checked. Learn more about Trumbo →


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