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Aliaksandr B.

Aliaksandr B.

Telecom Expert, Highload MYSQL, Billing, Hosted PBX, CRM Integrations

Dedicated, results oriented and experienced in PBX and voice applications , Call Centers, SBC, SMS and business automation, CRM, billing systems and custom software development with more then 15 years of a freelance experience. I believe in a simplistic approach with a clean and effective code. I always provide support to my projects and never leaving my clients alone with a problem. I will be happy to help you in the following fields: Design and implementation of the VOIP PBX and callcenters platforms based on asterisk, freeswitch and cisco solutions API architecture and development, API Integrations of any complexity Database Design, Optimization and maintenance Contact centers based on hosted pbx platforms asterisk, freeswitch, Genesys, Ringcentral, etc Maintenance of the production environments based on linux, cisco, juniper Mysql Database Optimization and Clustering Linux Clustering and High Availability platforms High Load Platforms Colocation/Cloud/Mixed platforms Kamailio and freesbc/prosbc session border controller and sip proxies SMS and Voice Bulk sending solutions Billing platforms and Business Automation MySQL, Asterisk, FreeSwitch, NGINX, Kamailio, OpenSIPs, Google Go, PHP, NODE.JS and JavaScript. And last but not least, I'm not mixing my freelance projects with a full time job. Freelance is my full time job and I do all my projects with 100% dedication to it. Only serious clients please. Our time is priceless so lets try to spend it wisely. All my solutions are coming with 2 month of free bug fixes and maintenance. I can guarantee that with me you will get the best of breed solution for your problem but it wont be cheap.

🇩🇴Santo Domingo, Dominican Republic$120/hr100% JSS4.98 (9)Since Jul 2012

Earnings and projects

MRR
$0

Last 6 months ÷ 6

World#111,233 / 412k
🇩🇴Country#337 / 1,225
Revenue, last 30 days
$0
Total earnings
$30k

Billed in all: $30k

World#111,233 / 412k
🇩🇴Country#337 / 1,225
Per project
$2.7k
Projects, last 6 months
0
World#209,850 / 412k
🇩🇴Country#693 / 1,225
Projects in all
11

Across 14 contracts

43% fixed57% hourly
World#192,417 / 412k
🇩🇴Country#249 / 1,225

Earnings, last 30 days

$29.8kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$29.0k$29.5k$30.0k$30.5kOct 8Oct 23Nov 7

Skills