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Telephony mentor, Telephony expert, Telephony code help
$15.00 /15min
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Juanjo Martin
Senior Software Engineer / Algorithmic Trader / Freelancer
Spanish
English
I'm a highly qualified algorithmic trader and full stack developer offering more than 17 years of in-depth hands-on experience in full life cycle of software development within telecommunication...
* Available for freelance projects
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* Available for freelance projects

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Mitchell VanEss

"Very helpful, was able to explain some elements of Java that I had yet to learn. He was very patient and understanding. He was even able to go about simplifying some of my code to make things run more efficiently and to just make things more readable. He knows what to do with a problem and how to go about explaining it. Definitely worth your time and money for when you need help. 10/10 tutor, definitely coming back to him for any Java related questions."

5 ★ ★ ★ ★ ★
janet adams

"another great session with Vitor straightening out my confusion about my mobile robot code, leaving me much clearer, on track with my assignment, and enthused as always!"

5 ★ ★ ★ ★ ★
Kelly Christensen

"Kian has awesome communication and CSS skills. Not only did he solve my issue super quickly, but he noticed a separate issue and sent me bonus code to fix that. "

5 ★ ★ ★ ★ ★
chris

"Expert knowledge, explained concepts every step of the way, everything ran with no errors!!!! Will definitely be using his service again! Thank you Erick"

5 ★ ★ ★ ★ ★
Robyn Allen

"Very methodical approach to writing unit tests-- Jessamyn has helped me become more disciplined in writing maintainable, clean code. Highly recommended!!"

5 ★ ★ ★ ★ ★
Pieter Sheth-Voss

"Szymon is clearly very experienced with software dev/ops. He quickly understood our goals, and showed us a much better way to set up our project. Our task was accomplished in one brief productive worksession."

5 ★ ★ ★ ★ ★
Hector Acosta

"I spent 2 days trying to trouble shoot my problem. I looked online and spoke with many people over the phone, trying to find the solution. I literally tried everything and as a last resort, I came to Codementor and set up an account just for that. It took Michael less than 15 minutes to trouble shoot, find the problem, and fix it. I was so impressed that I didn't even know what to say. I recommend Michael for any Wordpress issues you may have and he will be my go-to helper from now on! "

5 ★ ★ ★ ★ ★
Mark Donatelli

"Excellent to work with!!! Amazing programmer!!! He got the job done for me in the same day and charged a VERY FARE rate. I highly reccomend!!!"

5 ★ ★ ★ ★ ★
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