Design and developed social media stream enrichment & ingestion into Elasticsearch. Used:

Spark streaming, ES API, Kinesis firehose, Kafka.

Design and developed stream injection pipeline for Twitter, Forum & News into HBase &

Solr. See https://sysomos.com/products/map. Used: Java, HBase, Solr, Kafka, Zookeeper

Design and developed Social Media data processing. Used: Java, MapReduce, HBase

Design and developed HTTP crawler to collect Blog posts & inject these posts into HBase &

Solr. Used: Java, HDFS, HBase, Solr, Kafka, Zookeeper, Redis

Design and developed Call Control service (SIP signaling, load balancing) for MediaSense

recording platform. See http://www.cisco.com/c/en/us/products/customercollaboration/

mediasense/index.html. Used: Java, Multithreading, JMS, NIO, consistent

cluster view, load balancing, high availability, HTTP, JSON, SIP, RTSP, and Video.

Tune Call Center Express for usage over WAN.

Design and developed Call Center Express call control subsystem (SIP signaling and event

notification) for interaction with Call Manager Express. See

http://www.cisco.com/en/US/products/sw/custcosw/ps1846/index.html. Used: Java, SIP.

Design and developed SIP signaling for Call Center Express Outbound dialing.

Design and developed component that provides consistent cluster view and distributed master

election for Call Center Express cluster. See http://www.cisco.com/c/en/us/products/customercollaboration/

unified-contact-center-express/index.html. Used: Java, Multithreading, RMI,

Networking, leader election, and consistent cluster view.

Design and developed HTTP Tunneling subsystem for VoIP. Used: C++, HTTP.

Design and developed monitoring components for POP.X - distributed application server.

Design service for shared whiteboard. Developed business logic, communication library, and

integration with Apache. Used: C++, TCP, HTTP, CGI.

Design and developed network library for low latency, reliable, UDP based communication.

Used: C++, Sockets, UDP.