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Hello,
my name is Rayan Samimi  and this is my resume/cv

About Me

Have more than 10 years of extensive experience in the fields of software development, telecommunications, VoIP, web technologies and mobile applications.

Vast experience with various web development frameworks. My favorite combination is Django as back-end and AngularJS as front-end. Have managed and participated in development of medium to large web / desktop applications for various markets, such as call centers, online gaming and hotel management system (HMS)

Expertise in deployment of call centers and enterprise IP-PBX setups (Asterisk & Freeswitch), and functional skills using real-time web technologies development of Android applications using Java (Eclipse); advanced knowledge of Linux operating systems; a team player with strong analytical skills and excellent performance under pressure.

Experiences

Sangoma Technologies
2015 - Present
Software Engineer
Working with a team of experts on developing and maintenance of front-end and back-end applications for telephony appliances such as SBCs, Analog & ISDN gateways, etc.
PHP (CodeIgniter)
JQuery
Python
Linux Shell Scripting
C++
AngularJS
Freeswitch
MySQL/SQLite
WeavTV Media
2014-2015
Senior Full-stack Developer
  • Developed a scalable full-stack application for online streaming platform for a start-up company allowing users to broadcast their gaming sessions online on their channel provided by the platform and at the same time giving access to users to watch live or recorded videos.
  • Did the profound analysis and data modeling (UML modeling use case diagrams, class diagrams)
  • Designed and implemented the database system
Python Django REST Framework
AngularJS
Java (transcoder)
HLS
RTMP
Socket.io
Linux & Nginx
PostgreSQL
ITON Corporation
2014-2015
Senior Full-stack Developer
  • Contributed actively in the process of building company's complex cloud-based RTC solutions by incorporating real-time communication for web and mobile devices across various existing web and mobile platforms.
  • Managed and monitored the development of the designed applications with a team of international developers.
  • Designed and developed a SIP registrar with Freeswitch running in the back-end which handled the SIP traffic for the cloud-based communication solution.
Python
Bootstrap
WebRTC
AngularJS
Java (Android)
Freeswitch
Visual Studio C#
Linux & OS X
Concentric Media
2014-2015
Full-stack Developer

Designed and developed the full-stack application for Capsule concept Hotels (Enterprise HMS) including but not limited to:

  • Interactive dashboard
  • Restful API for 3rd party reservation
  • Online room reservation
  • Integration to telephony system API via socket programming
  • Point of Sales
  • Extensive reporting tool
PHP
ExtJS SPA
MySQL
Linux
Web Socket
Asterisk AMI
Asterisk AGI
Intuittech Ltd.
2012-2014
Technical Support Manager
  • Led an engineering support team of more than 10 engineers with special focus on delivering quality service to customers from large corporations in several regional countries, such as Australia, Malaysia, Japan, Singapore, Thailand, Hong Kong, Cambodia, Nepal and the Philippines.
  • Managed the implementation of more than 20 enterprise telecommunications projects (IP-PBX and call center) in the course of 2 years, helping the company in serving high profile clients.
  • Provided tier-3 customer support, developed complex customized dial-plans, advanced transactional IVRs, and developed web portals to monitor and control the telephony engine via web socket.
PHP
ExtJS SPA
JQuery
Shell Scripting
Web Socket
Linux
Asterisk AMI
Asterisk AGI
Asterisk PBX
SIP
H323
VoIP
Sita Multimedia Ltd.
2010-2012
Senior Support Engineer
  • Led the Customer Support Team comprised of more than 10 engineers and technicians.
  • Delivered tier-2&3 technical supports to customers; provided training and support to new team members.
  • Designed end-user applications like click2call and AutoDialers.
PHP
JQuery
Shell Scripting
Web Socket
LAMP
Asterisk AMI
Asterisk AGI
Asterisk PBX
SIP
VoIP
Shegerd Electronic Co.
2004-2010
Software Engineer
  • Handled installation, configuration and customization of Asterisk-based IP-PBX systems.
  • Developed stand-alone applications based on customer requests (laboratories, libraries, hospitals, etc.)
  • Provided tier-1 and tier-2 customer service.
Visual C#
Delphi
MS SQL
Softphone OCX
GSM Gateway
Asterisk PBX
SIP
VoIP

Education

  • 2012

    University of Greenwich

    M.Sc. Degree in Information Systems Management

  • 2011

    Charleston Management Center

    Cisco Certified Network Associate (CCNA)

  • 2000

    Bahonar College

    Degree in Computer Science

  • 1997

    Abedini Highschool

    Secondary education in computer software

Contact

rayan.samimi@mehrdust.com
Skype
mehrdust

Programming Skills

Web Front-end (HTML5/CSS/Javascript)
JQuery
Bootstrap
AngularJS
ReactJS
Python + Django/Flask
PHP
NodeJS
Beginner
Proficient
Expert
Master

Programming Languages

C++
Java (Android)
PHP (Laravel, CodeIgniter)
Javascript (JQuery, AngularJS, ReactJS, ExtJS)
Shell Scripting
DB (MS SQL, MySQL, PostGRE, SQLite, MongoDB)
VS C# & .NET Framework
Python (Django, Flask, DRF)

VoIP Skills

Asterisk PBX
Freeswitch
openSIPS
WebRTC
HLS
Beginner
Proficient
Expert
Master

Telecommunication / Multimedia Skills

VoIP Protocols (SIP, H.323, IAX2, RTP, SRTP)
ISDN
Audio Codecs (G711, G729, Opus)
Video Codecs (H.264, VP8)
Socket Programming
HLS & RTMP
FFmpeg

Languages

English
Persian
Spanish
French

Hobbies

Music
Programming
Reading
Volleyball
Winter Sports