Jul 2010 – Oct 2018 · 8 yrs 3 mos · Bengaluru Area, India

• ★ Internet Of Things (IOT):
•  Won best project demo in "Open Source Solutions" category in NIPUN 2017 internal annual tech fest.
•  Developed ThingsSDK framework for bring OEM's to Samsung IOT ecosystem. The devices created using the ThingsSDK were demonstrated at Samsung Developer Conference 2017, titled: "How to Make Your Device "IoT Ready" in Just 30 Minutes".
•  Designed and Implemented WebSockets Connectivity to IoTivity in 1.3.0 release
•  Implemented connectivity to Samsung IOT Cloud based on OAUTH to TIZEN RT OS
•  Design and Implemented a ZigBee Dongle based real device simulation to test various Samsung IOT Products (e.g Samsung IOT Gateway, SmartThings Hub) Created a more than 40 ZigBee devices using ZigBee Dongle.
• ★ TIZEN:
•  Data Connectivity, Telephony, Middleware Frameworks, C/C++, Linux (3 years)
•  Designed and Implemented VPN Service Framework from scratch on TIZEN 3.0 platform.
•  Designed & Implemented Dual SIM mobile data connectivity on TIZEN 2.4 platform .
•  Fixed issues on Connectivity Frameworks (e.g. ConMan, WPA Supplicant, WiFi Direct Manager).
• ★ Chromium OS based Phone:
•  Summary: Connectivity, Telephony & Bluetooth Framework, C++, Linux, Python (2 years 3 months)
•  Designed and Implemented Phone Call Framework, WiFi/Mobile Data Connectivity Modules
•  Designed API's to make/receive phone calls, send/receive SMS, right from Chromium Extensions (JS -> C++ Framework in Browser -> Call/SMS Native Frameworks -> Radio Interface Layer -> Radio Networks)
•  Designed the Call Record & SMS Sync Frameworks to backup/restore to users Cloud storage. The user information was hosted AWS Cloud.
• ★ Improved code quality in RRC Layer of UMTS stack. Launched as part of World's first Samsung 3G/4G Dongle (3 months)

Apr 2007 – Jun 2010 · 3 yrs 2 mos

• ★ UMTS (3G), RNC (Radio Network Controller), Traffic Generator for RNC, C++, Linux
•  Developed small incremental features on RRC layer of 3G protocol stack;
• ★ Lawful Interception, C++, Linux
•  Contributed to Lawful Intercept Product (XCIPIO) from SS8 Networks. The XCIPIO mediated between the Telecom Service Providers and Law Enforcement Agency (LEA).
•  Contributed to Provisioning module on XCIPIO to configure Samsung Mobile Switching Center (MSC) based on the Court Order from LEA.

Sep 2006 – Mar 2007 · 6 mos

• ★ Lawful Interception, C++, Linux - (Client: SS8 Networks)
•  Provisioning MSC to duplicate Call Data and Call Content based on the Court Order

Jun 2004 – Sep 2006 · 2 yrs 3 mos

• ★ Short Message Service(SMS) Server:
•  Worked on SMS, SS7 Protocol using C, C++ on Solaris Servers used for deployment (2 Years 3 months)
•  Worked on the High Availability (HA) solution for SMSC v 9.0 for SS8 Networks; the configuration was ACTIVE & STANDBY along with RAID.
•  Worked on the Developing new commands query the SMS Database & SMSC Configuration.