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Oleksandr M.

Oleksandr M.

Senior Engineer, VoIP, Asterisk,Opensips, Distributed Systems

With over two decades of extensive experience in the world of programming, I've honed a knack for efficiency and innovation. I believe in optimizing time and delivering solutions that matter, constantly pushing the boundaries of what’s possible. From the age of 10, programming hasn't just been a job, it's been a calling. Whether you're looking for new project development or leveraging existing solutions, I’m your go-to expert. Experience: Twenty-two years of diverse commercial programming experience and 31+ years overall programming - from Linux administration and virtualization to end-user web development and complex billing systems for VoIP. Expert work with Asterisk since its inception and substantial experience with FreePBX, Trixbox, and a2billing. Proudly, I'm one of the contributing minds behind a2billing's trunk. My depth of expertise encompasses database administration and architecture, especially with MySQL and Postgres. Education: Master of Science in Computer Science (confirmed by WES) Technical Skills & Specializations: Languages: Python/Django, Javascript/jQuery, SQL, PHP, C/C++, Perl, Prolog/Lisp, and Forth. Platforms & Tools: Asterisk, Opensips, Kamailio, Callweaver (faxing). Noteworthy Contributions: Developed modules for FreePBX, Elastix, Trixbox, and a2billing. Philosophy: I stand for originality and meaningful impact. If a task doesn’t need to be done, I won’t push for it. Instead, I'll direct my energy towards novel and intriguing challenges, ensuring that you get the best of both worlds - innovation and efficiency.

🇺🇸Flower Mound, United States$200/hr100% JSS4.99 (137)Since Jul 2009

Earnings and projects

MRR
$0

Last 6 months ÷ 6

World#3,645 / 412k
🇺🇸Country#1,147 / 62.1k
Revenue, last 30 days
$0
Total earnings
$440k

Billed in all: $471k

World#3,645 / 412k
🇺🇸Country#1,147 / 62.1k
Per project
$1.9k

$0 in the last 6 months

Projects, last 6 months
1

Across 2 contracts

0% fixed100% hourly
World#128,092 / 412k
🇺🇸Country#16,472 / 62.1k
Projects in all
228

Across 260 contracts

44% fixed56% hourly
World#7,961 / 412k
🇺🇸Country#1,425 / 62.1k

Earnings, last 30 days

$471kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$465k$470k$475k$480kOct 8Oct 23Nov 7

Skills