Allen Pei

Allen Pei is a computer science student at the University of Waterloo, from Markham, Ontario, and a two-time Canadian IOI silver medallist (2021, 2022). His LinkedIn lists software engineering internships at Databricks (current), Jane Street, Bloomberg (Tradebook and Asset & Investment Manager divisions) and a research internship at Waabi. He goes by the competitive-programming handle 'Dormi' and the GitHub username PeiAllen.

Notes10

• Quant employment verification: CONFIRMED. A supported identity (LinkedIn Markham/Canada + IOI + uWaterloo) plus an actual internship — Jane Street Software Engineer Intern, 2025 — where Jane Street is a proprietary trading firm and the cited intern write-up describes testing of trading systems. Bloomberg (Tradebook, an electronic-trading venue) is a second trading-adjacent internship; both are internships, not student programs. Databricks and Waabi are not quantitative finance.2025
• Jane Street 2025 software engineering intern: built a quickcheck-like randomised property-testing system for automated tests of trading systems, with shrinking heuristics for minimal test cases.2025
• Jane Street internship supports a quantitative-finance employment claim: Jane Street is a proprietary trading firm and the cited intern project targeted trading systems directly.2025
• Identity anchor: IOI contestant profile lists Allen Pei representing Canada in both 2021 and 2022, matching the LinkedIn (Markham, Canada) and uWaterloo CS profile.Aug 15, 2022
• Databricks Software Engineer Intern (Bellevue, WA) is listed as the current role on LinkedIn; a data/AI platform, not quantitative finance.2026
• Bloomberg Software Engineer Intern, Tradebook Division (2025) — Tradebook is Bloomberg's electronic-trading venue; a trading-technology-adjacent role distinct from Jane Street's prop-trading role.2025
• IOI 2022: silver medal, rank 34.Aug 2022
• IOI 2021: silver medal, rank 32 (score 394.89/600).Jun 2021
• Canadian Computing Olympiad 2022: Gold medal (LinkedIn claim; LinkedIn-only).
• uWaterloo ICPC 2023-2024 'Waterloo Gold' team member (with Chris Trevisan, Mars Xiang), per university news on the ICPC East Central North America contest.
• Bloomberg Software Engineer Intern, Asset and Investment Manager Division (2024); listed on LinkedIn, not independently corroborated by a press source.2024
• 'Dormi' (Allen Pei) named on Canada's 2022 IOI team alongside Ryan Bai, Zixiang Zhou and Edward Xiao.Jul 2022