Developer Resume

PROFESSIONAL SUMMARY:

About 17.5 years of experience in design and development of OS Infrastructure, Call Processing, Traffic Processing (Data Plane) and O&M applications for Wire - line and Wireless (GSM/GPRS/CDMA1x/EVDO/eHRPD) systems on UNIX/LINUX platform.
6 Months in OS Infrastructure development for Calix’s (San Jose, USA) GPON product (Current).
4 years in design and development of Call and Traffic Processing (CP, TP) for EVDO RNC.
1 year in BTS (3G 1X and EVDO) in the area of CP and TP design, development and support.
3 months in support of FOA for EVDO RNC at Chicago.
6 Months in analysis and fixing of Capacity, Performance issues of EVDO RNC
3 years of critical support for EVDO RNC call/Traffic Processing.
4 years in design and development of protocol stack involving Call Processing and Traffic Processing for CDMA 1x RNC.
1 Year of experience in O&M software development for Nortel’s GSM BTS.
3 years in design and development of application software for Nortel’s Wire line and Soft switches, includes 1 year of onsite assignment in Canada.
Good analytical, development and debugging skills.
Proficient in C, C++, ClearCase, GitHub, UNIX/LINUX and VxWorks.
Proficient with IPC Communication, Multithreading, shared memory.
Strong verbal and communication skills, good team player and mentor.

TECHNICAL SKILLS:

Languages: C, C++

OS: Unix/Linux, VxWorks

Process tools: Clearcase, Sablime, CCMS, CMS

Technologies: GSM, GPRS, CDMA1x, EVDO, LTE

PROFESSIONAL EXPERIENCE:

Confidential

Responsibilities:

Have fixed issues related to eHRPD and eCSFB from the field.
Multicore Traffic Processor (MTP) capacity and performance improvement feature. Provided inputs to architects on product limitations and capabilities in some of the performance and capacity related issues to come up with efficient system requirements.
Implemented Gateway bypass for IP packets to optimize CPU occupancy in multicore environment.
Implemented system performanance measurement tools like SNAP on multicore environment to measure PO utilization of different events.
Worked with WindRiver to resolve issues of performance of IP stack which affect multicore environment. Uncovered some of the limitations of vxWorks in multicore environment.
Have fixed some of critical issues as part of current engineering team for non-NAR customer of EVDO RNC.
Push to talk (Large Group Call) implementation using BCMCS capability (DO-RNC)
Broad cast and Multicast (BCMCS) feature test trial support for China Telecom(DO-RNC)
Improvements to Session and connection close(1X-EVDO-RNC)
UATI Reuse and Air Interface enhancement (1X-EVDO-RNC)

Confidential

Responsibilities:

Confidential

Responsibilities: