Denys Smirnov

Ukrainian software engineer and quantitative developer in London; Ukraine IMO 2015 gold and 2014 silver medallist; maths at Karazin Kharkiv National University; prior roles at Cruxlab, Playwing and Snap Inc.; Quantitative Developer at GSA Capital since July 2023 (LinkedIn-derived).

Notes8

• Quant employment verification: CONFIRMED. Denys Smirnov (Ukraine IMO 2014 silver / 2015 gold; Codeforces dendi239, London) is listed as Quantitative Developer at GSA Capital, a London systematic quantitative investment manager (FCA-regulated, SEC-registered) whose own site describes 'systematic trading across liquid equity, futures and foreign exchange markets'. The role is an actual employment position, not a student programme, starting July 2023 (LinkedIn-derived/index data). Employer classification as quantitative finance is confirmed by GSA Capital's own description and regulatory status. Caveat: the employment is evidenced by LinkedIn-derived/index data, not yet an independent press/regulatory/personal confirmation; identity itself is supported independently by IMO records and Codeforces.Jul 2023
• Represented Ukraine at the IMO in 2015 (gold, rank 19 of 577, 29 points) and 2014 (silver, rank 50, 28 points) - the 'two-time winner' of later coverage.Jul 2015
• Career timeline (LinkedIn-derived/index): Cruxlab Inc. iOS developer, Kharkiv 2017-2020; Playwing Ukraine game developer, Kharkiv 2020-2021; Snap Inc. software engineer, London 2021-2022; GSA Capital Quantitative Developer from July 2023.Jul 2023
• Public 2020 record: a GoFundMe ('Help Denys Smirnov') and Gazeta.ua-derived coverage describe a 22-year-old Denys Smirnov, mathematics student at Kharkiv State (Karazin) University and two-time IMO winner, diagnosed with Hodgkin's lymphoma and needing a bone marrow transplant abroad - IMO/age/university details match the subject.Jul 10, 2020
• Kharkiv regional administration reported that Kharkiv Physics and Mathematics Lyceum No. 27 student Denys Smirnov won gold at the 56th IMO (2015).Jul 15, 2015
• Competitive-programming handle dendi239 is the subject: the Codeforces profile 'Denys Smirnov' lists London, United Kingdom and International Master, matching the London engineer.
• Studied at V. N. Karazin Kharkiv National University 2015-2021 (LinkedIn-derived); degree name not stated. Not the AI/Web3 'Denis Smirnov' (Chiang Mai; github densmirnov / densmirnov.com), a distinct namesake.
• Open-source: GitHub dendi239 hosts cp-tool, a competitive-programming submission tool updated 2020.Aug 23, 2020
• Handles @dendi239 on Instagram and YouTube use the same handle but were not independently verified.