Sumit Roy
sumit.roy@iitbombay.org

Professional Skills:
Languages - C, C++, Objective C, Java.
Scripting - Bourne shell, awk, sed, python.
Operating Systems - Linux, OSX, HP-UX, Solaris, AIX.

Work Experience:

Lead Software Engineer,                   Rhythm NewMedia, 07/2005 - to date.

Rhythm NewMedia is a leader amongst mobile video ad networks. 
Responsible for all streaming and media related modules in the product. 
Wrote plugin modules for the Apple Darwin Streaming Server and 
RealNetworks Helix server for seamlessly sequencing advertising and content 
clips. Designed a media ingestion module for transcoding video content from 
advertisers and publishers into 3G compliant formats, based on ffmpeg and 
mplayer. Commercial services launched with 3 and T-Mobile in the UK, 
Telecom Italia Mobile in Italy, Vodafone in Spain, as well as Sprint and 
Verizon in the US.

Designed performance testing suite and harness for streaming server as well as 
end-to-end product. Installed and supported infrastructure tools including 
version control system, collaborative Wiki, bug tracking, project management, 
continuous integration system, as well as product packaging. Implemented a
test automation framework for complete product testing using Selenium and 
TestNG.

Developed multiple video centric, advertising supported iPhone applications. 
Architected a reconfigurable client library which allowed Rhythm NewMedia to 
launch a large number of diverse apps within a calendar year, including vSNAX,
 TMZ, Entertainment Tonight, E! Online, Discovery Channel, Family Guy, AMC, 
Home & Garden TV, Food Network, Extra, CW, Ellen and Gamespot.

Currently analyzing log data to improve targeting of advertisements in the
system.


Senior Research Scientist,    Hewlett Packard Laboratories, 02/2000 - 07/2005.

Worked with the OpenCall business group to add video streaming support to the
OpenCall MediaPlatform. Product is designed for rapid deployment of video 
telephony services, such as video call center, video-voice mail etc.
Recognized as one of the top technology contributions from HP Labs in the
last 40 years.
1 conference paper published, 1 book chapter, and 1 patent application, 
product released December 2005.

Worked on streaming server performance characterization and failure 
prediction. 
1 SIGMETRICS workshop paper published, 2 patent applications.

Architected the Mobile Streaming Media - Content Distribution Network research 
prototype. Wrote a modular streaming media server which was extended to 
provide media services like device dependent transcoding of video content, 
application level multicast to mitigate network bottlenecks, and load 
dependent media service adaptations. 
5 conference papers published, 10 patent applications, 5 patents granted.

Wrote a trace generation tool for the Itanium ia64 processor and designed a 
simulation framework for exploring memory hierarchies and memory controllers.
1 conference paper published.

Researched secure storage systems for hosting applications for multiple 
customers in a utility data center.

Wrote a memory compression system as a linux kernel driver, and demonstrated 
significant performance improvements when running large applications on memory
constrained machines. 
1 conference paper published, 3 patents granted.


Research Assistant Professor. Wayne State University, 08/1998 - 02/2000.

Extended thesis work on Distributed Shared Memory Systems and wrote research 
grant proposals which led to $1.5 Millon in funding from the National Science 
Foundation, Ford Motor Company, and the Army Research Labs. Assisted graduate 
students in their thesis work.

Field Engineer, Halliburton Oilfield Services Inc.    08/1991 - 08/1993.

Provided wireline oil well completion services to the Oil & Natural Gas 
Commission, India. Managed a crew of equipment operators, interfaced with
the customer on-site, trained in handling radioactive sources and high energy
explosives.


Education:

PhD Computer Engineering, Wayne State University, Detroit             1998.
MS Computer Engineering,  Wayne State University, Detroit             1996.
BTech Electrical Engineering, Indian Institute of Technology, Bombay, 1991.