Programming Languages and Environments

• IBM i (System i, iSeries, AS/400)
  • ILE-RPG, [Full-]Free-RPG, RPG/400
  • SQL, Embedded-SQL
  • ILE-COBOL, COBOL/400
  • ILE-CL (CLLE), CL, Rexx
  • Rational Developer for i (RDi), WDSC, SEU/PDM
• PC, Linux, Mac
  • Delphi, Object Pascal, FreePascal/Lazarus
  • Microfocus Visual COBOL, GnuCOBOL
  • C#, Visual Studio
  • Java, Eclipse
  • Swift, Objective C, Xcode
• C, Python, Lotus Notes and other scripting languages

Database Systems

• IBM DB2
• Microsoft SQL Server Express
• Lotus Notes / Domino
• MySQL
• SQLite

Operating Systems

• IBM i (AS/400, OS/400, iSeries, i5/OS)
• Windows (up until 10)
• macOS (up until 11.1 Big Sur)
• Linux (Debian, Ubuntu, Raspian) on Intel and ARM (Raspberry/Pi)

Areas of Expertise

• Merchandise, warehouse logistics, quality management
  • GUS CHARISMA/AS
  • Brain (R+H) XPPS
  • BPCS
  • self developed
• UN/EDIFACT
  • Seeburger BIS/400, BIC, TLA
  • EANCOM
  • In- and outbound mappings
• Transport logistics
  • LQS/TRABIS
  • SPED-LOG
  • self developed
• Accounting
  • DCW
  • DKS
  • Lexware
• Payroll
  • P&I LOGA/400
  • Lexware
• Lotus Notes / Domino
• Backup
  • BRMS
• Data interfaces
  • UN/EDIFACT, EANCOM
  • VDA 4913, 4920, 4921
  • IDS BORD128, BORD512
  • Individual interfaces for customers, orders, dispatching, realtime tracking
  • Systems connection
  • Connection to external shop systems
  • Barcode labels VDA 4902, EAN-128
  • RFID
  • Payment DTA / DTAUS
  • VPN

Develoment methods

• Scrum
• TDD / Test Driven Developent
• Waterfall

Other Skills

• Spoken languages
  • German
  • English
• Certified trainer (AEVO, AdA)