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Engineer

Andrew He

CognitionSoftware Engineer

🇺🇸 American

Andrew He is a champion competitive programmer who helps build Devin, Cognition’s AI software engineer.[1] He won the 2021 Facebook Hacker Cup and two gold medals at the International Olympiad in Informatics.[2] Known online as ecnerwala, he also helped MIT finish second at the 2019 collegiate programming world finals.

Career & education

Current role
2023-present
Software Engineer
Education

Work and education history is primarily focused on AI-relevant roles and may not be comprehensive.

Updates 1

New personAndrew He added to Turing Tree

Cognition engineer and elite competitive programmer.

July 10, 2026

References

  1. ICPC — Andrew He trainer biographynac.icpc.global

    Work on Devin at Cognition, online handle and MIT second-place finish in 2019; verified 2026-10-27.

  2. 2021 Facebook Hacker Cup final standingscphof.org

    First place in the 2021 Facebook Hacker Cup; verified 2026-10-27.

About this profile

Based on public sources. If accuracy is important, verify details using the links or references.

For corrections, updates, or requests to remove information, contact us.

Reviewed August 12, 2026 · Checked for accuracy and new information.

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