Are you looking for custom applications? I can develope next type of applications:
-TCP, UDP, HTTP Client/Server applications
-Serial Port(RS232, RS485), bluetooth communication applications
-RFID, NFC read/write applications
-Applications which comunicate with databases(MySQL&MSSQL&SQLCE)
-Different desktop, server, mobile applications(Android)...
-Embeded applications(For .NETMF devices)
I also have expirience with networking:
- Cisco
- Mikrotik(RouterOS & SwOS)
- Sophos XG