Zoltan Dezso
Nationality: Hungarian
Email: dezso.zoltan gmail.com
Languages: English (TOEIC 980), Japanese (JLPT 1), Hungarian; also studied: German, French
Japan Visa Status: Working Visa (Engineer)
- Six years work experience in web development, three in mobile
- Five years work experience with Ruby
- Three years work experience with C#.NET
- Experience with databases and query optimization
- Experience with systems administration
- Solid background in computer science
- Experience leading small teams
- Experience with agile practices, such as Scrum or TDD
Work Experience
February 2011 - : Software Engineer
Mobile game development for various SNS platforms in Ruby on Rails and Objective-C for iOS
- Worked on Restaurant City Mobile for Gree with EA/Playfish
- Worked on Dragonball Battle Generation with Bandai Namco
June 2008 – January 2011 : Senior Software Engineer
Virtual world server and client development in C#.NET, C, C++, Ruby on Rails
- Developed VoIP module for virtual world server using C, C# using Asterisk/OpenSER and proprietary PBXs2 &3
- Worked on 3Di OpenSim, a virtual world server in C#
- Worked on 3Di OpenViewer, a virtual world viewer in C++ and C#
- Developed user behavior analysis tool in Ruby
- Developed business metrics dashboard web application in Rails
- Developed customized Amazon EC2 instances for Asterisk PBX and virtual world server and wrote scripts to configure servers without user interaction in Ruby
- Installed and configured CI system (buildbot and jenkins)
September 2006 – June 2008 : Software Engineer
Official mobile site development in Ruby with PostgreSQL
- Developed mobile site framework, now used on 30+ sites, including external clients’
- Developed CMS framework
- Developed reporting framework
- Developed and maintained official mobile web sites for all carriers in Ruby with PostgreSQL
- Deeply familiarized myself with CJK encodings and developed emoji conversion library deployed on 30+ sites
- Developed mobile forum system, used on a popular J-POP artist’s official site
- Administered 20+ linux servers
- Optimized PostgreSQL installation and SQL queries
- Interviewed and hired developers
- Mentored and managed development team of six
September 2005 – September 2006 : Intern, Multimedia Laboratory
- Researched techniques of analyzing laser-scanned 3D human models
- Implemented model matching algorithm in Matlab and C#
- Developed 3D visualization tool for the matching process
- Designed and implemented a modified octree to speed up minimum distance calculation
- Researched model dimensionality reduction using principal component analysis
April 2004 – September 2005 : Software Engineer (part time)
Telefor is a subsidiary of Hungary’s largest commercial TV station providing
SMS/IVR voting solutions for such television programs as the local version of
American Idol and provides contents for all national mobile carriers.
- Developed internal reporting framework in PHP and Oracle/MySQL
- Developed certified drawing (sweepstake) system
- Done SQL query and database optimization, introduced materialized views to make reports previously taking overnight to run under a minute
- Provided on-call support and maintenance of Linux servers during live television programs
- Provided on-site support during extremely high-traffic (3000+ SMS/sec) live programs[11]
Open-source activities and projects
Certifications
- 2010 Ruby Certified Programmer (Gold)
- 2008 PostgreSQL Certified Engineer (PostgreSQL 8 Silver)
- 2007 Oracle Certified Associate DBA (Oracle 10g)
- 2007 Microsoft Certified Technology Specialist SQL Server 2005[10]
- 2008 Microsoft Certified Technology Specialist .NET 2.0 Windows Applications[10]
- 2007 Microsoft Certified Systems Administrator[10]
Education
September 2004 –September 2006 (unfinished) PhD, Intelligent Systems
Budapest University of Technology and Economics, Hungary
September 1999 –June 2004 MSc, Information Technology
Budapest University of Technology and Economics, Hungary
Publications
- Analyzing human motion using ultrasound-based motion capture (2004, MicroCAD, Hungary)
- Efficient erasable watermark embedding in medical images (2004, INES)12
- Motion Capture vs traditional medical examinations (2005, SETIT, IEEE)13
- ExtSim: A Flexible Data Mapping and Synchronization Middleware for Scientific Visualization in Virtual Worlds (2010, Journal of Virtual Worlds Research)14
Notes
- [10]: MCP ID: 3227008
- [11]: The local version of American Idol is not named Hungarian Idol