| Skill | Level | Experience | Background |
|---|---|---|---|
| Database :: API :: SQL-based | advanced | 3 years | Master Thesis |
| Database :: DBMS :: Oracle | involved | 1 year | Master Thesis |
| Database :: DBMS :: PostgreSQL (pgsql) | advanced | 2 years | Master Thesis / Bioinformatics |
| Operating System :: Embedded :: VxWorks | advanced | 8 years | Tektronix Measurement Software |
| Operating System :: Desktop :: Linux | excellent | 11 years | Drivers / Administration / Book |
| Programming Language :: C | excellent | 20 years | hundreds of Projects |
| Programming Language :: C++ | advanced | 15 years | dozens of Projects |
| Programming Language :: Forth | excellent | 20 years | Wrote a Forth Compiler System |
| Programming Language :: Java | advanced | 5 years | Master Thesis |
| Programming Language :: Perl | competent | 6 years | dozens of Projects plus Tools |
| Programming Language :: PL/SQL | competent | 4 years | Database Usage / Master Thesis |
| Programming Language :: Python | competent | 3 years | some Projects plus Tools |
| Programming Language :: Unix Shell | advanced | 15 years | some Projects plus many Tools |
| Programming Language :: Yacc | involved | 2 years | some Projects |
| Protocols :: Data Formats :: XML | advanced | 5 years | Wrote Transformation Engine |
| Scientific/Engineering :: Bio-Informatics | involved | 4 years | Student Projects |
| Scientific/Engineering :: Chemistry | introduced | 10 years | Personal Interest / 1 year study |
| Scientific/Engineering :: Information Analysis | involved | 4 years | Along Other Projects |
| Scientific/Engineering :: Interface Engine/Protocol Translator | advanced | 7 years | Some Projects |
| Software Development :: Build Tools | excellent | 8 years | autoconf head and others |
| Software Development :: Code Generators | excellent | 11 years | Some Projects And Many Tools |
| Software Development :: Compilers | advanced | 11 years | Even wrote GCC extensions |
| Software Development :: Interpreters | advanced | 8 years | Forth and Xml |
| Software Development :: Object Oriented | advanced | 15 years | since C++ 2.1 |
| Software Development :: Version Control :: CVS | competent | 8 years | along opensource projects |
| System :: Archiving :: Packaging | competent | 5 years | Wrote zip filesystem |
| System :: Hardware :: Hardware Drivers | competent | 6 years | under Linux (and one in VxWorks) |
| System :: Networking :: TCP/IP | competent | 12 years | Setups |
| System :: Kernels :: Linux | competent | 10 years | Book ten Years ago |
| Text Editors :: Documentation | competent | 14 years | Byproduct of many Projects |
| Translations :: English | advanced | 20 years | daily communications |
| Translations :: French | competent | 20 years | Studies / Friends |
| User Interface :: Java Swing | involved | 3 years | Some Tools |
| User Interface :: .Net/Mono | introduced | 2 years | Personal Interest |
| User Interface :: HTTP/CGI | involved | 5 years | Some Tools |
| Toolkits :: GTK+ | competent | 5 years | Some Tools |
Level is given as
(1) introduced
(2) involved
(3) competent
(4) advanced
(5) excellent