Krisztián Buchta


  • Place and date of birth: Budapest, 20th of May 1981.
  • E-mail: buchta.krisztian [at]


  • 2004 - 2007: Eötvös Loránd University Physics PhD School. Doctor of Philosophy (PhD), Physics (Materials and Solid State Physics) (P-2836/2009)
  • 2001 - 2007: Eötvös Loránd University Faculty of Informatics. Specialization: MI, Computer Graphics, GIS. Master of Science (M.Sc.), Computer Programmer Mathematician (Pt K 003961 10/2008)
  • 1999 - 2004: Eötvös Loránd University Faculty of Physics (Member of Bolyai College). Specialization: Statistical Physics and Complex Systems, Solid State Physics. Master of Science (M.Sc.), Physicist (Pt D 003717 402/2004)
  • 1995 - 1999: ELTE Trefort Ágoston Highscool

Technical Skills

  • Programming Theory:
    • Algorithms and data structures
    • Objected oriented software development
    • System analysis and operational experience
    • Web application development
    • Design patterns
    • Artificial intelligence: learning
    • Test driven programming
  • Languages:
    • Java: JDK 1.7 (1.6, 1.5)
    • J2EE: JSP, EJB, tomcat, Spring framework, jasper, hibernate, swing
    • AJAX: GWT, vaadin
    • Lexical analyzer and parser: Lex, Yacc
    • Graphics: VRML, SVG
  • Installer: Inno Setup
  • Scientific tools:
    • Analyze and visualization: Gnuplot
    • Matlab, Maple
    • Documentation: Latex
  • IDE Tools: Eclipse, Kdevelop (Qt)
  • Reporting:
    • JasperReports
    • iReport/Jaspersoft Studio
  • Technologies: XML, UML (Rational Rose)
  • Platforms:
    • Windows 95/NT/2000/XP/7, Windows server
    • LINUX (Suse)
  • Version Management: GIT, SVN, CVS
  • Cisco IP Telephony:
    • Cisco CallManager
    • Cisco Contact Center (IPCC, UCCx)
  • Office applications: MS-Office, Outlook


  • Scientific research:
    • Theoretical Solid State Physics - Strongly correlated systems
    • Network science and Statistical analysis
    • Bio-optics
    • Experience: 5 years
    • Institutes:
      • Institute for Solid State Physics and Optics
      • ELTE, Department of Physics of Complex Systems and Ericsson Communication Networks Laboratory (CNL)
      • ELTE, Department of Biological Physics
  • Big Data:
    • Design and management of databases (MySQL, MS-SQL)
    • Computational processing of large datasets
    • Experience: 6 years
    • Companies:
      • TC&C Ltd
  • Software design, development:
    • Design and development of data processing applications
    • Design and development of user interfaces (web based or flat clients) and reporting applications
    • Web application development
    • Experience: 6 years
    • Companies:
      • TC&C Ltd


  • 2007 - present: Software developer (support engineer), TC&C Ltd.,
    TC&C is focused on VoIP innovation (call accounting, call recording, call center based software). As a senior software engineer I'm participating in design and development of the complete product set of the company (if needed I also give support for our customers):
    • ccInfo: Contact Center Performance Visualization, Wallboard Application.
      ccInfo is a powerful wallboard application for customer contact centers to visually aid supervisors and agents with real-time statistics on call traffic and handling. (Project owner)
    • ccTimer: Managing and scheduling Cisco UCCX IVR application parameters.
      ccTimer is a web-based working time managing and scheduling software for Cisco UCCx IVR. (Project owner)
    • CASpro: Controlling Telecommunication Costs with Call Accounting System.
      The CASpro (Call Accounting System professional) product family provides call accounting and billing functions for IP based and legacy PBX systems as well as for VoIP gateways. (Main developer)
    • ccConn (CISconn): Contact Center Integration, SAP CRM Connector.
      ccConn delivers real-time connectivity between Cisco Unified Contact Center Express and SAP ECC or SAP CRM using a pre-packaged, server-based Computer Telephony Integration (CTI) approach. (Developer)
    • CARIN: Voice, Video and TelePresence Recording.
      CARIN call recording system supports not only Cisco Unified Communications systems, but Avaya, BroadSoft, IP Trade and any SIP compliant telephony solution. (Developer)
    • LISA / LisaCentral: Licensing server and client application used in TC&C products / A license and support agreement managing system (developed to internal usage) (Project owner)
    • Customer specific developments: Reporting and contact center related developments (Developer)
  • 2004 - 2007: Assistant research fellow, Institute for Solid State Physics and Optics,
    As a PhD student I have participated in research activity. Subject: examination of low dimensional quantum systems by applying density matrix renormalization group algorithm (DMRG).
    • European Graduate College Seminar, Austria, Riezlern, 2005
      Probable absence of quadrupolar spin-nematic phase in the bilinear-biquadratic spin-1 chain
    • European Graduate College Seminar, Austria, Riezlern, 2006
      Unified phase diagram of models exhibiting neutral-ionic transition
    • Seminar, Germany Marburg, 2006
      Mott transition and dimerization in the one-dimensional SU(n) Hubard model
    • International Research Training Group - Workshop, Hungary, Ráckeve, 2006
      Poster presentation about models exhibiting neutral-ionic transition



  • G. Horváth, K. Buchta and D. Varjú, Journal of the Optical Society of America A 20: 1120-1131 (2003). Looking into the water with oblique head tilting: revision of the aerial binocular imaging of underwater objects
  • G. Horváth, A. Barta, K. Buchta, D. Varjú, Fizikai Szemle, LV. (2005 May). Skew binocular viewing across plane water surfaces
  • K. Buchta, G. Fáth, Ö. Legeza and J. Sólyom, Phys. Rev. B 72, 054433 (2005). Probable absence of quadrupolar spin-nematic phase in the bilinear-biquadratic spin-1 chain
  • Ö. Legeza, K. Buchta and J. Sólyom, Phys. Rev. B 73, 165124 (2006). Unified phase diagram of models exhibiting neutral-ionic transition
  • K. Buchta, Ö. Legeza, E. Szirmai and J. Sólyom, Phys. Rev. B 75, 155108 (2007). Mott transition and dimerization in the one-dimensional SU(n) Hubard model
  • K. Buchta, Ö. Legeza and J. Sólyom. The effect of electron-phonon coupling in neutral-ionic transition (not published manuscript)


  • Hungarian - native language
  • English - intermediate level ('A' - 009680/98.05.08., 'B' - 398394/04.01.10.)

Other knowledge

  • Driver license, Education practice


  • Open water and long distance swimming Whitewater kayaking, Skiing, Lure and fly fishing
Krisztián Buchta
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