Thanh T.
VOIP Developer - System Administrator - Technical Support ...
- UTILIZING AI TECHNOLOGIES FOR THE DEVELOPMENT, TESTING, OPTIMIZATION, AND INTEGRATION OF PRE-EXISTING VOIP SYSTEMS WITH EXTERNAL SERVICES AND PLATFORMS. - I have more than 16 years to work as system administrator, deploy server, maintenance system base on: asterisk, voip, avaya, freeswitch, kamailio, opensip..... - Developed many VOIP solutions, system for customer over the world as: voicemail system, conference systems, IVR systems, calling card system. - Django developer: Develop e-commercial sites, CMS sites, API systems and more - AngularJS developer, one page applications. - etc.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $587
Billed in all: $134,428$134k
$147 in the last 6 months
Across 8 contracts
Across 143 contracts
Earnings, last 30 days
Skill rankings: Top 20% in SQL Programming
Ranked by MRR among everyone on Upwork with the skill.
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