3GPP, SS7 - ISUP, TCAP, INAP for Revenue Management, Policy Control & Charging (OCS, GGSN, PCRF, PCEF) & adjacent nodes (Multi-Activation, Multi-Mediation, HLR, HSS, Billing, Voucher Server, Business Analytics, Partner Relation Management & Campaign Management.
C/C++, Python, NumPy, Pandas, Matplotlib, bash, csh, awk, perl, tcl, OpenGL, GLUT, VTK/tcl, Xcode, Selenium
XML, SOAP, JSON
SQL, PL/SQL, NoSQL, Oracle, Timesten Cache
Supervised, Unsupervised, and Deep Learning
Tableau, Bootstrap, CSS/Web, Javascript, D3.js, Geomapping with Leaftlet.js
Linux, Unix
Google Cloud Platform (GCP), Amazon Web Services (AWS)
SNMP, DNS, server cluster