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Ihsan Yakup C.

Ihsan Yakup C.

Experienced Javascript / Typescript and VOIP / WebRTC Developer

I have worked on front-end and back-end sides as a javascript developer with Angular, Nodejs, NestJs, Express, MongoDB technologies. I have experience in wide range of javascript ecosystem Also, I'm an experienced VOIP engineer who has worked on Asterisk, Kamailio, RTPEngine. I can write a custom module for Asterisk in C and dial plans, configurations, etc. I can configure Kamailio modules like auth_db, dispatcher, htable, mtree, db_redis, uac, etc. I have experience in FreePBX and FusionPBX. I know the fundamentals of SIP and RTP protocols also experienced on Rtpengine I lead/work numerous projects with an Agile Methodologies(Scrum/Kanban). Which means that I can easily adapt and respond to change. I also had my hands dirty in python, c, and java Skills: - Javascript, Typescript - Angular - Nodejs and express - NestJS framework - Docker - VOIP - WebRTC - Asterisk - Kamailio - Rtpengine - Microservices - MongoDB - Redis - RabbitMQ / NATS

🇹🇷Istanbul, Turkey$70/hr100% JSS5.00 (6)Since Aug 2016

Earnings and projects

MRR
$0

Last 6 months ÷ 6

World#213,434 / 412k
🇹🇷Country#1,728 / 3,515
Revenue, last 30 days
$0
Total earnings
$8.1k
World#213,434 / 412k
🇹🇷Country#1,728 / 3,515
Per project
$1.4k
Projects, last 6 months
0
World#209,850 / 412k
🇹🇷Country#1,674 / 3,515
Projects in all
6

Across 7 contracts

29% fixed71% hourly
World#250,290 / 412k
🇹🇷Country#2,150 / 3,515

Earnings, last 30 days

$8.1kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$8.0k$8.1k$8.2k$8.3kOct 7Oct 22Nov 6

Read once a week before Oct 8, 2026, daily since. Dotted: longer than usual between two readings. Hatched: over two weeks without one.

Skills