# Rakeeb Hossain

![Rakeeb Hossain](/resources/cognition/portraits/rakeeb-hossain.webp)

Member of Technical Staff at Cognition  
Cognition  
New York, New York, United States

## At Cognition

- Role: Member of Technical Staff (Engineering)
- Joined: 2026
- How they joined: With Consul
- Before Consul: Software Engineer, Convex

## Identity
- LinkedIn: https://www.linkedin.com/in/rakeebhossain
- X: @rakeebh
- GitHub: https://github.com/rakeeb-hossain
- Website: https://rakeebhossain.com/
- Domain: cognition.ai

## Notes
- LinkedIn lists Co-Founder at Consul (YC W24), 2024-2026, with the description "Acquired by Cognition"; he then joined Cognition as Member of Technical Staff in 2026 (San Francisco Bay Area), so the move into Cognition came via the Consul acquisition. (https://www.linkedin.com/in/rakeebhossain)
- X bio states, verbatim: "Founder of Consul, acquired by Cognition | prev @UWaterloo CS, @ycombinator W24" and opens with "Probably approximately correct", a nod to PAC learning theory. (https://x.com/rakeebh)
- At Convex (2023-2024) he worked on "Databases, serverless runtimes, observability, full-text search, vector search, and DX"; Convex recruiter Bryan Liu announced his joining in June 2023, right after his Waterloo graduation. (https://www.linkedin.com/posts/bryanliurecruiter_exciting-news-i-am-thrilled-to-announce-activity-7071990419131138048-t4FB)
- Research assistant to Dr. Vijay Ganesh at Waterloo (Jan-May 2021) on ML initialization heuristics for SAT solvers and convex approximations of NP-hard problems as differentiable optimization layers in DNNs. (https://www.linkedin.com/in/rakeebhossain)
- Visiting graduate student at the Simons Institute (Berkeley) for the Spring 2021 program "Satisfiability: Theory, Practice, and Beyond", advised by Vijay Ganesh. (https://simons.berkeley.edu/people/rakeeb-hossain)
- Public headline says "Member of Technical Staff at Cognition". (https://www.linkedin.com/in/rakeebhossain)
- Reposted Cognition's Oct 2026 launch of Devin Security ("We are entering a new dark age of cybersecurity. Devin is here to help."). (https://x.com/rakeebh/status/2115132581377372344)
- Tweeted "Parsing and understanding codebases is a remarkably underrated skill" in Jan 2023, years before joining an AI coding-agent company. (https://x.com/rakeebh/status/1611468090394701824)
- Snap Inc. internships: Ads Delivery Core Infra team (May-Aug 2021, LA) and Storage infrastructure (May-Aug 2022, SF Bay Area). (https://www.linkedin.com/in/rakeebhossain)
- Tesla Autopilot intern, Sep-Dec 2020, Palo Alto. (https://www.linkedin.com/in/rakeebhossain)
- Earliest role: software engineer at Twenty Billion Neurons (later acquired by Qualcomm), Jun 2019-Jan 2020, Greater Toronto Area. (https://www.linkedin.com/in/rakeebhossain)
- Previous roles include Co-Founder at Consul (YC W24); Software Engineer at Convex; Software Engineer at Snap Inc.; Software Engineer at Finary (YC W21); Research Assistant at University of Waterloo; Intern at Tesla; Software Engineer at Twenty Billion Neurons (acquired by Qualcomm). (https://www.linkedin.com/in/rakeebhossain)
- Replied "👀 👀" to Dioxus Labs founder @jkelleyrtp in a thread tagging @cognition (Oct 2026). (https://x.com/rakeebh/status/2106249300930080997)
- Location is New York, New York, United States. (https://www.linkedin.com/in/rakeebhossain)

## Experience
- Member of Technical Staff at Cognition - San Francisco Bay Area (Jan 2026 - Present)
- Co-Founder at Consul (YC W24) - New York, New York, United States (Jan 2024 - Jan 2026): Acquired by Cognition
- Software Engineer at Convex - San Francisco Bay Area (Jan 2023 - Jan 2024): Databases, serverless runtimes, observability, full-text search, vector search, and DX
- Software Engineer at Snap Inc. - San Francisco Bay Area (May 2022 - Aug 2022): Storage infrastructure
- Software Engineer at Snap Inc. - Los Angeles Metropolitan Area (May 2021 - Aug 2021): Ads Delivery Core Infra team
- Research Assistant at University of Waterloo - Waterloo, Ontario, Canada (Jan 2021 - May 2021): Working with Dr. Vijay Ganesh on:
1) Machine learning initialization heuristics for SAT solvers
2) Formulating convex approximations of NP-hard problems (Ex. SAT, Knapsack) as differentiable optimization layers in DNNs

Visiting student at Simon's Institute
- Intern at Tesla - Palo Alto, California, United States (Sep 2020 - Dec 2020): Autopilot
- Software Engineer at Twenty Billion Neurons (acquired by Qualcomm) - Greater Toronto Area, Canada (Jun 2019 - Jan 2020)

## Education
- University of Waterloo - Bachelor's degree, Computer Science
- Massachusetts Institute of Technology: MIT Summer Courses @ LaunchX
- Prod: Cohort 3.0

## Sources
- https://www.linkedin.com/in/rakeebhossain
- https://x.com/rakeebh
- https://founders.io/company/consul
- https://onconsul.com/
- https://simons.berkeley.edu/people/rakeeb-hossain
- https://append-only.com/about/
- https://github.com/rakeeb-hossain
- https://rakeebhossain.com/
- https://www.linkedin.com/posts/bryanliurecruiter_exciting-news-i-am-thrilled-to-announce-activity-7071990419131138048-t4FB
- https://x.com/rakeebh/status/2115132581377372344
- https://x.com/rakeebh/status/1611468090394701824
- https://x.com/rakeebh/status/2106249300930080997


Researched with Autumn (https://www.autumn.ai) from public sources. Updated 2026-11-04. Profile: https://www.autumn.ai/resources/cognition/people/rakeeb-hossain · Everyone at Cognition: https://www.autumn.ai/resources/cognition/people