Senior Software Contractor
Providence, Rhode Island Area
- Current
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- Software Consultant at Kasteris
- Past
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- Senior Software Engineer at Gryphon Networks
- Senior Software Engineer at EnvoyWorldWide
- Senior Software Engineer at Homisco Inc.
- software engineer at Point of Sale System Services, Inc.
- Education
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- Fitchburg State College
- North Middlesex Regional High School
- Recommended
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10 people have recommended Marc - Connections
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166
connections
- Industry
- Computer Software
- Websites
Marc Orenberg’s Summary
Software Engineer with over 10 years of experience, specializing in back-end programming, including sockets, network programming and telephony.
Marc Orenberg’s Specialties:
Languages: C++, C, C#, VB.Net, ASP.Net, Perl, PHP, Python
Operating systems: Linux, Windows, Solaris
Database: Microsoft SQL Server, MySQL, Sleepycat, DBIII, ODBC
Web: HTML, XML, Web Services, Apache, TCP/IP, HTTP, FTP
Telephony: Asterisk, FreeSwitch, VoiceXML, SIP, NMS, Dialogic, text-to-speech, SS7, IVR
Marc Orenberg’s Experience
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Software Consultant
Kasteris
(Computer Software industry)
August 2007 — Present (1 year 3 months)
Offering consulting services for software development. Experience with telephony, network programming, websites, desktop applications, and more.
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Senior Software Engineer
Gryphon Networks
(Privately Held; 51-200 employees; Computer Software industry)
November 2001 — August 2007 (5 years 10 months)
Designed, built, named, documented and supported Guardian Interactive, a Windows .net application that “scrubs” the lead lists of telemarketers by separating ok-to-call records from restricted ones. The application is installed on the customers’ desktops and communicates with Gryphon’s in-house databases via Web Services. It supports telephone, FAX, e-mail and postal mail data, and provides the customer with many useful reports and graphs. Several fortune 500 companies are currently using this application.
Wrote many other socket-based applications and utilities for Windows, Linux, and Solaris, using c#, VB.Net, C, C++, VoiceXML, web services, Perl, MySQL, Microsoft SQL Server, web services, sockets, etc. -
Senior Software Engineer
EnvoyWorldWide
(Privately Held; 11-50 employees; Computer Software industry)
March 2000 — September 2001 (1 year 7 months)
Added to an existing application which sends messages by phone, FAX, pager, SMS, etc. Maintained and added functionality to a proprietary XML-based telephone scripting language (similar to Voice-XML). Added echo cancellation, text-to-speech, conference calling, and call forwarding capabilities for phone messages. Also added significantly to the stability of the system by investigating and fixing telephony problems and bugs in source code.
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Senior Software Engineer
Homisco Inc.
(Privately Held; 11-50 employees; Computer Software industry)
June 1995 — March 2000 (4 years 10 months)
Major architect/programmer of multi-threaded telephony switch with real-time billing and call-cutoff capabilities. Single-handedly ported the system from OS/2 to Windows NT, changing it from a multi-process system to a multithreaded one. Added/rewrote most of the source code, including switching (with Natural Microsystems’ CT-Access), billing, conference calling, paging, etc. Redesigned system to utilize many of NT's built-in features, such as file mapping, multi-threading, services, registry, and event log. Also played major role in transforming the system from a stand-alone computer to a client-server application using Microsoft SQL Server.
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software engineer
Point of Sale System Services, Inc.
(Privately Held; 1-10 employees; Computer Software industry)
March 1993 — June 1995 (2 years 4 months)
Wrote point-of-sale programs, including gift certificate tracking, data polling, inventory maintenance, etc, for use with Fujitsu cash registers. All work in C on OS/2.
Marc Orenberg’s Education
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Fitchburg State College
BS, Computer Science, September 1989 — May 1993
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North Middlesex Regional High School
1985 — 1989
