Engineering · Member of Technical Staff

Bryce Casaje

“EECS @ UC Berkeley grad | now @ Cognition”

Joined
Jan 2026
How they joined
Directly
Before Cognition
ZellicLead Security Engineer
Status
Current
Overlapped before Cognition

Autumn profile

Researched with Autumn · 2026-11-04
Details
LocationUnited States
Company sitecognition.ai
UniversityUC Berkeley Electrical Engineering & Computer Sciences (EECS), University of California, Berkeley
web securityapplication securitysmart contract auditingRustJavaScriptCTF challenge designrhythm gamesCD collectingweb/app security
Notes
  • LinkedIn shows a direct move from Lead Security Engineer at Zellic (Apr 2024 - Oct 2025) to Member of Technical Staff at Cognition (from 2026).Jan 2026
  • Current role is Member of Technical Staff at Cognition.
  • Personal site str.lc describes current work verbatim as "Writing some slop @ Cognition." and lists prior employers as "Zellic, Cure53 / Electrovolt, AWS, NASA ARC."
  • @jhanikhil stated that he and @strellic (Bryce Casaje) did a full 1:1 file-by-file port of Minecraft from Java to Rust, with both the server and client ported.Oct 14, 2026
  • @jhanikhil stated that most of the mechanical porting of Minecraft from Java to Rust was done by swe-2, with some high-level guidance for how to translate Java to Rust from devin ultra, in the project he worked on with @strellic.Oct 14, 2026
  • Only original X post naming Cognition: reply to @jkelleyrtp (Jonathan Kelley, Dioxus creator) "@jkelleyrtp @cognition Welcome!!!".Sep 10, 2026@jkelleyrtp @cognition Welcome!!!
  • DEF CON CTF finalist six times (29-34) per his site; plays with DiceGang (merged team SuperDiceCode placed 3rd at DEF CON CTF finals 2026, which he reshared) and Crusaders of Rust, whose corCTF he co-hosts.Aug 2026
  • Member of the US team at the International Cybersecurity Challenge (ICC) and the European Cybersecurity Challenge (ECSC) 2024-25, per his site; listed in US Cyber Games Season IV roster (Round 2 with Alex Zhang).2024
  • Open source: my-ctf-challenges (63 stars, JavaScript) collects his public CTF challenges; rhythm-cons holds rhythm-game controller designs; pathpatch (Rust, 2026) is an HTTPS path-interception tool built with devin-ai-integration[bot] PRs.Aug 2026
  • At Cure53 (Nov 2022 - Apr 2024) he worked as a Security Engineer and his site credits Cure53's Electrovolt desk (Electron app security research) alongside it.Nov 2022
  • Public headline says "EECS @ UC Berkeley grad | now @ Cognition".
  • Prem Qu Nair (@premqnair) replied to Bryce Casaje's post on 2026-06-10 telling him it is a permanent underclass for him.Jun 10, 2026i cant use fable, it might be over for me https://t.co/u5tliKgrR1

Updated 2026-11-04 · 30 sources · Researched by Autumn · Research anyone like this

Compiled from public sources by Autumn · Updated 2026-11-04

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