Nir Shalmon

Nir Shalmon is a developer based in Israel. He represented Israel at the International Olympiad in Informatics (IOI) 2018, winning a gold medal and finishing 14th worldwide, and had won bronze at IOI 2017. He studied Mathematics and Computer Science at Tel Aviv University. His LinkedIn profile lists a current role as Quantitative Developer at XTX Markets, and prior roles listed as 'Stealth' (HPC R&D, Security Researcher) and Competitive Programming Coach at Bar-Ilan University. He co-authored a 2026 ICALP paper with Amir Shpilka.

Notes4

• Quant employment verification: CONFIRMED. Nir Shalmon's LinkedIn profile (via index enrichment) lists a current role 'Quantitative Developer' at XTX Markets, start 2025 (identity lead dates it 2025-12); XTX Markets is an algorithmic market-maker. theorg.com lists him on XTX's 'Quantitative Analysis' team as Quantitative Developer. This is an actual role, not a student program. XTX/team pages are aggregators (index-only), not primary XTX confirmation of the role.
• Won a gold medal representing Israel at IOI 2018, finishing 14th worldwide with 367 points (100/31/49/100/51/36); Israel Hayom reported him as a 12th-grade student at Ben-Zvi High School in Kiryat Ono. Prior year he took bronze at IOI 2017 (150 pts).Sep 13, 2018
• Co-authored 'Partial Derivative Complexity of a Product of Linearly Independent Quadratics' with Amir Shpilka at ICALP 2026 (DOI 10.4230/LIPIcs.ICALP.2026.152); authors listed on the Dagstuhl proceedings page. ORCID: 0009-0000-5804-8312.Jul 1, 2026
• Education: Bachelor's degree in Mathematics and Computer Science at Tel Aviv University (index dates 2021-2026), preceded by Ben Zvi High School (2015-2018). The TAU degree is index-only (LinkedIn-derived), not confirmed by a primary TAU source in this run.
• Prior LinkedIn roles are listed under the employer name 'Stealth' with an index-supplied domain timelyai.com (HPC R&D 2022-2025; Security Researcher 2020-2022); 'Stealth' denotes an unnamed startup, so the timelyai.com attribution is index-only and not confirmed.
• Codeforces handle 'NirShalmon' (also 'nirshalmon') is linked from his IOI statistics profile and the CP hall-of-fame profile, corroborating the competitive-programming identity.
• Competitive Programming Coach at Bar-Ilan University (2019-2020) per index enrichment, a teaching role preceding the XTX role.