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Tomek Czajka |
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- 2021: Machine learning support for Magnus Carlsen's team at FIDE World Chess Championship, Dubai, UAE.
- 2014−2020: Flight Software Engineer at SpaceX, Hawthorne, CA.
- Crew Dragon guidance and navigation.
- Starlink guidance and navigation.
- 2007−2013: Software Engineer at Google, Mountain View, CA.
- Datacenter infrastructure optimization.
- Commerce search quality.
- Ads distribution.
- Code Jam.
- 2023: Member of the jury at Polish collegiate programming competition.
- 2013: Coach for the Polish national high school team at Polish Olympiad in Informatics.
- 2005: Internship at Google, Mountain View, CA.
- 2005: Assistant coach for the USA national team at USA Computing Olympiad.
- 2005: Team leader of the Polish team at International Olympiad in Informatics.
- 2004: Teaching assistant at Purdue University. Data Structures.
- 2003−2004: Teaching assistant at Warsaw University.
- 2003−2004: Teaching a programming course to high school students in Poland.
- 2000−2004: Member of the jury at Polish Olympiad in Informatics.
- 2000−2004: Teaching at science camps for gifted high school students at science camps run by Polish Children's Fund.
- 2003: Internship at Microsoft.
- CLR Performance team.
- 2001: Internship at IBM T.J.Watson Research Center,
Hawthorne, NY.
- Natural Language Processing.
- 2020−2023: Big integer library ibig.
- 2004−2007: Purdue University, Computer Science, Master of Science
- 2000−2004: Warsaw University, Faculty of Mathematics, Informatics and Mechanics, Bachelor of Science
-
International Collegiate Programming Contest: Team programming contest for university students.
- 2003, Beverly Hills, CA: winner
- 2001, Vancouver, Canada: 6th place
-
TopCoder Open, Algorithm track.
- 2008, Las Vegas, NV: winner
- 2007, Las Vegas, NV: 6th place
- 2006, Las Vegas, NV: 2nd place
- 2004, Santa Clara, CA: winner
- 2003, Uncasville, CT: winner
-
TopCoder Collegiate Challenge: International programming contest for university students.
- 2006, San Diego, CA: semifinal
- 2005, Santa Clara, CA: 2nd place
- 2004, Boston, MA: winner
-
International Olympiad in Informatics: International programming contest for high school students.
- 2000, Beijing, China: 14th place (gold medal)
- 1999, Antalya, Turkey: 19th place (gold medal)
- 1998, Troia, Portugal: 36th place (silver medal)
-
CodeCup: Online board game AI tournament.
-
Challenge 24: International 24h team programming contest.
- 2014, Budapest, Hungary: winner
-
Google Code Jam: International programming contest.
- 2006, New York, NY: 5th place
- 2004, San Jose, CA: 4th place
- 2003, San Jose, CA: 4th place
-
- 2006, Dublin, Ireland: winner
-
Central European Collegiate Programming Contest: Team programming contest.
- 2002, Warsaw, Poland: winner
- 2001, Warsaw, Poland: second place
- 2000, Prague, Czech Republic: winner
-
ACM ICPC Java Challenge: Team programming competition.
- 2001, Vancouver, Canada: winner
-
Central European Olympiad in Informatics: Programming competition for high school students.
- 2000, Cluj-Napoca, Romania: 3rd place (gold medal)
- 1998, Zadar, Croatia: 4th place (gold medal)
-
USA Computing Olympiad: Programming competition for high school students.
- 2000 Open: winner
- 2000 Spring: winner
-
Internet Problem Solving Contest: Online team programming contest.
-
International Mathematics Olympiad: International mathematics competition for high school students.
- 2000, Taejon, South Korea: 68th place (silver medal)
- 1998, Taipei, Taiwan: 49th place (siler medal)
- 1997, Mar del Plata, Argentina: 299th place (honorable mention)
-
Vojtech Jarnik International Mathematical Competition: European mathematics competition for university students.
- 2004: 6th place
- 2003: 8th place
- 2002: 5th place
- 2001: 3rd place
-
International Mathematics Competition: International mathematics competition for university students.
- 2002: 40th place (Second Prize)
- 2004: Ross Fellowship at Purdue University
- 1997−2001: Scholarship of the Polish Minister of Education for exceptional achievements in the field of science
- 1998: "Wyzwania" Foundation and Headmasters' Conference HMC scholarship to Warwick School, Warwick, UK
- 1993−1999: Scholarship of the Polish Children's Fund
- Tomek Czajka, Gopal Pandurangan. Improved Random Graph Isomorphism. Journal of Discrete Algorithms, vol. 6, 85−92, 2008.
- Marcel M. M. Yung, Tomasz Czajka. Privacy-preserving measurements of a campaign
- Rust, C++, Python, Ocaml, SML, Haskell