NARASIMHA

Senior IMS/Android Developer                                                                           Narasimhaws@gmail.com  8583535128                        

SUMMARY

·               Having 8+ years in telecommunication industry and web development as Senior Software engineer.

·               Extensive experience in IMS, Application, Framework and Multimedia design and development for Android and Windows mobile handsets.

·               Hands on experience Presence (UCE), Volte, Stage Fright, Open Core, OpenMax , Browser, SMS/MMS, RIL, Android Telephony, and Camera frameworks.

·               Good experience in working with OEMS development hardware and targets.

·               Good knowledge on Payment gateways and Web technologies.

SKILLS

·               Mobile Platforms: Android SDK/NDK.

·               Android Platforms: Android 2.x, Android 3.x, Android 4.x, Android 5.X

·               Debugging Tool: QXDM, QPST,QCAT,APEX, Wireshark, ADB, DDMS, logcat, TraceView, Fastboot and HProf

·               IDE: Eclipse, SourceInsight, Android Studio, Microsoft Visual Studio

·               Web Services:  JSON, XML,SOAP, REST and JSON

·               Languages:  Java, C++, PHP,HTML5, ASP.NET, VB.NET, AJAX and C#.NET

·               Databases:  SQLite,MySQL, SQLServer, PostgresSql

·               Project Mgmt:  JIRA, PRISM, Bug Zilla, PW and PLM (Samsung propritery)

·               Operating Systems:  Linux (Ubuntu), Windows 7, Vista and Windows Server 2003

·               Version Controls:  Perforce, SVN, Rational Clear case, Visual Source safe and GIT

·               Methodologies:  Agile and Scrum, Test Driven Development, SDLC

·               Protocals                       : SIP, SDP, UpNp,MSRP, LTE/GSM/CDMA/WIFI, and HTTP

·               Frameworks                 : StageFright, OpenCore, Camera,RIL, openGLS,OpenMax

PROFESSIONAL EXPERIENCE

 

IMS (IP MULTIMEDIA SUBSYSTEM) RM/PRESENCE/RCS/VOLTE,      QUALCOMM                    DEC 2012 - Till Date

Responsibilities:

·   Involved in Design, Development and maintenance work for various operators.

·   Involved in RM UTF Application design and development.

·   Involved in CR propagation and code submission to different PLs/CPLs

·   Analyzing and debugging the logs collected from operators live network

·   Writing unit test cases for the feature developed.

·   Bringing up the hardware with IMS by configuring N/w and NV settings

 

SUPPORT FOR MESSAGING/EMAIL/BROWSER APPLICATIONS (POC),       SAMSUNG                 Nov 2011 – Oct 2012

Responsibilities:

·   Understanding HTML composer and respective Webkit framework modules.

·   Debugging and fixing the issues in HTML composer and Webkit framework modules.

·   Analysing, debugging and fixing Application and framework level issues for various targets.

·   Implemented new privilege inbox in email module.

·   Involved in feature design and feature enhancements in email application and Android framework.

 

3D COMPOSER AND PARSER INTEGRATION,                                               SAMSUNG           April 2011 – Oct 2011

Responsibilities:

·   Understanding stereoscopic Still images

·   Converting JPG images to JPS images.

·   Implemented Stereoscopic descriptor.

·   Understanding S-VAF boxes.

·   Integrating S-VAF boxes into StageFright Composer

·   Modified Stagefright parser to Extract S-VAF boxes.

LIVE SHUTTER,                                                                                              SAMSUNG                        Dec 2010 – March 2011

Responsibilities:

•   Understanding UpNp Architecture.

•   Understanding application for implementing new features.

•   Worked on performance issues.

•   Ported 3d Camera UI to live shutter.

 

VIDEO CONFERENCE,                                                                              SAMSUNG                               Sep 2010 – Dec 2010

Responsibilities:

•   Involved in compelling & setup SIP server (Party Sip).

•   Created SIP Client UA using Osip2 stack.

•   Created and maintained multiple connections between SIP clients using SIP Server.

•   Understanding the NAT traverse ling problems.

•   Implemented Stun to avoid Nat problem.

 

WMAV,                                                                                                             SASKEN                          Feb 2010 – Sep 2010

Responsibilities:

•   Involved in porting & integrating WMAV into android.

•   Made WMV decoder changes to make OMX complaint.

•   Understanding OMX call sequences

•   Compiling WMV decoder and testing WMV decoder using test application.

•   Debugging the WMV OMX components & WMV decoder.

•   Worked on bug fixing for WMA while adding WMV support.

 

OCS/ TODO MAPS/ IMOSQUITO GAME                                                  WINIT                                        Mar 2009 – Dec 09

Responsibilities:

•   Created download manager using services for downloading movies.

•   Created request manager.

•   Implemented accord in functionality.

•   Worked with different GUI controls for interacting with user.

• Created Task & event manager.

• Created seek bars for selecting the value.

• Used Sqlite & preferences for data storage.

• Worked with different GUI controls for interacting with user.

•   Design and development of application framework.

•   Checked the performance of application by performance tool.

•   Worked extensively in moving mosquito image randomly in random direction using canvas.

•   Worked with different GUI controls for interacting with user.

 

                                                                          PHP PROJECTS

SPENDWISER/ BILL TRACKER/ EVERYCONTRACTOR                           WINIT                                    Apr 2008 – Feb 2009   

Responsibilities:

•   Involved in all the phases of the development.

•   Worked on creating the T-SQL stored procedures, jobs and transactional queries.

•   Implemented website payment pro using NVP API.

•   Implemented UPS shipping for calculating shipping charges

•   Used Mass payment for transferring money between two PayPal accounts.

•   Involved in order processing process module.

•   Written custom JS functions for auto fill, Ajax interactivity, custom validations.

•   Handled both the user and admin section, performance related issues, deployment and maintenance.

•    Involved in Paypal integration for member postings using payflow pro gateway.

•   Involved in PayPal migration process from payflow link to payflow pro.

•    Implementing Recurring billing service for member subscription using payflow pro.

    DOT NET PROJECTS

 

ASKPROFIT/ STUDENT HOME SEARCH,                                                              WINIT               Dec 2006 – May 2007.

Responsibilities:

•   Worked extensively in designing and developing the User Interface.

•   Developed client-side data validations using .NET validation controls.

•   Front-end web forms were developed in ASP.NET with C#.NET & VB.Net as code-behind.

•   Responsible for creating the stored procedures in SQL SERVER 2000 & 2005 worked extensively in designing   and developing the User Interface.

 

EMPLOYMENT

Sasken Communication Technology Ltd        India / US                                     FEB 2010 to present

WIN INFORMATION TECHOLONGY                        India                                              OCT 2006 to Dec 2009

 

QUALIFICATIONS

Bachelor’s In INFORMATION TECHNOLOGY           Nagarjuna University