Olle Lapidus

Swedish quantitative trader and software developer. Representative for Sweden at the International Mathematical Olympiad 2022 (honourable mention) and two-time International Olympiad in Informatics bronze medallist (2021, 2022). Studied Engineering Mathematics (MEng) at Chalmers University of Technology, 2022-2025. Career: Python developer at Datastory (2020, 2022); mathematics/physics/CS substitute teacher at NTI Gymnasiet Johanneberg (2022-2023); researcher/software developer at Huawei's Gothenburg R&D Center (2023-2024); quantitative trader intern at Jane Street, London (2024); contest director for Kodsport Sverige and project leader for Rays - for excellence (2023-2024); quantitative trader at Jane Street, London (2026-present).

Notes11

• Quant employment verification: CONFIRMED. See dedicated note in the profile for the full evidence and employer classification.Sep 17, 2026
• Confirmed Jane Street employment: LinkedIn lists 'Quantitative Trader' at Jane Street with company domain janestreet.com, located in the London Area, United Kingdom, dated 2026-present (index-only claim; not independently verified on a Jane Street primary page).2026
• Jane Street Quantitative Trader Intern, London, summer 2024 (July-September per the caller's lead; LinkedIn shows 2024) - an actual internship at a quantitative trading firm, distinct from any student program.2024
• Confirmed departure from Sweden to the United Kingdom effective 2026-04-02, home municipality Gothenburg, which corroborates the London-based Jane Street role beginning April 2026.Apr 2, 2026
• Only two trading-adjacent employers appear: Jane Street (intern 2024, trader from 2026) and no other quant firm; Huawei (research), Datastory (software), Kodsport and Rays (competition organizing) and substitute teaching fill the rest of the timeline, so the 'quant' thread is recent and concentrated in Jane Street.2026
• His Rays email [contact omitted] and the organizers' email [contact omitted] are published contact addresses; the first is a school address tied to NTI Gymnasiet Johanneberg.Jul 14, 2021
• Won individual gold at the International Mathematics Competition (IMC) 2025 with 39 points, competing for Chalmers University of Technology - a university-level mathematics competition result that extends his competitive record beyond high school.2025
• Served as Projektledare (project leader) and organizer of Rays - for excellence 2024, a Swedish summer research school - having been a participant in the 2021 edition; his public contact for the role was [contact omitted].2024
• Researcher/software developer at Huawei's Gothenburg R&D Center for about one year (2023-2024), focused on machine learning and numerical modelling - a research engineering role, not a trading role.2024
• Studied Engineering Mathematics (Teknisk matematik), MEng, at Chalmers University of Technology 2022-2025; he entered directly from high school in 2022, the same year as his IMO appearance.2022
• Authored a research paper 'Asymptotic Bounds on the Maximum Number of Minimal Separators in a Graph' (July 14, 2021) through the Rays - for excellence summer research academy, under Aleksa Stankovic at KTH; he refuted a previously claimed lower bound and conjectured an O(1.4422^n) bound.Jul 14, 2021
• Represented Chalmers as part of a three-person team (with Joshua Thomas Bergman Andersson and Loke Gustafsson) at the ICPC European Championship, placing in the top ranks; the trio were Chalmers' best team and shared one computer for the contest.2025