- Java/J2EE application development
- Nextcloud
- Collabora Online and Collabora Office (LibreOffice)
- Elasticsearch (Elastic Stack)
- Lightweight Directory Access Protocol (LDAP) and Single Sign On
- Mobile application (Android and iOS) development
- WebSphere family - Application Server, Portal Server, Process Server
- MQueue Series - Windows, AIX, Solaris, AS/400 platforms
- IBM FileNet, DB2 Content Manager
- Microsoft .NET development platform
- Oracle product family
- HKSAR Government standard methodology PRINCE and SSADM