SUMMARY

• More than 14 years of hands - on embedded product development experience in Consumer Electronics, Multimedia and Telecommunication domain using C, C++ in multithreaded environment.
• Very good experience wif OOPS concepts, C, C++ for design and development of multimedia solutions using GStreamer, FL3.5, FFMPEG, FAAD, worked on ALSA drivers’ layer and has been instrumental in development of a HAL layer for a transcoding application.
• Hands on experience in audio algorithms like MP3, AAC and HEAAC and speech algorithm G.729
• Knowledge on Android Auto, Bluetooth, infotainment, embedded RTOS.
• RTOS noledge on DSP-BIOS, Montavista Linux, WinCE
• Extensive working experience & noledge on Linux toolchain GNU, G++, GDB, DVSDK, OMAP, NDK, OpenGL, Codesourcery toolchain, Qt, Webkit Bootloader, Uboot, MLO, boardbring up Makefile, linker command files.
• Assembly development for ARM, Microchip and Confidential processors.
• Extensive experience wif various DSP’s like TI55x, TIC64x+, Da Vinci, OMAP 1710/3530/4460 , DM270 and TI28x, STM5x series, OS20.
• Expertise in developing and optimizing video compression standards like MPEG4, H.264, H.263, VC1, HEVC, Sorenson and VP7.
• Good noledge of Qualcomm MDM 9X modem chipsets,
• Working noledge of device driver development for SPI, McASP, USB and I2C for TMS320C55x processor.
• Working noledge of HW testing and debugging tools JTAG debugging tools for Spectrum Digital, Isystem ICEmulator, LauterBach-JTAG.
• Excellent debugging experience using VS2010, CCS, CCES, GDB, Valgrind memory leak analysis. Good experience in debugging IPC, multi-threading, RTOS platforms
• Good noledge of REST API, SOAP, request and response-based testing methodologies.
• Hands-on experience on MATLAB, Simulink, Matlab Codegen tools for SHARC, GUL processors.
• Hands on experience designing and developing end to end Embedded Platform Test Automation suit using C, C++. Interfacing wif assembly code for enhanced MIPS and memory performance.
• Experience wif python extensions PyQT, Scons.

TECHNICAL SKILLS

Core Competency: ANSI C, C++, Java, Assembly coding for TMS55x, TMS64x, ARM A8/A9 cores, Redhat Linux, UNIX, Windows, DSP-Multimedia Video, Audio and speech H265, H264, MPEG4, AAC, MP3, G729, AMR, Socket programming

Operating Systems/Platforms: Redhat Linux, UNIX, Windows, Montavista Linux, DSP-BIOS, WinCE, and QNX

Programming / Scripting Language: ANSI C, C++, Java

Debugging tools/IDE: Code Composer Studio, ClearCase, GDB, VS2010, QxDM, HexEdit, SVN, GIT, UML, Lucidchart, Jule

System Design/modeling: Object Oriented Design (OOD), design patterns like Singleton, Factory, observer, Socket Programming, Multithreaded programming, REST, SOAP

Microprocessor / Microcontroller: Assembly coding for TMS55x, TMS64x, ARM A8/A9 cores

Hardware Peripherals & Protocols: Spectrum Digital - JTAG XDS510pp, Lauterbach - LA-7842, ST20, OMAP353X, DM270, I2C, SPI, McASP, Bluetooth, Wi-Fi, UART, DMA

S/W Engineering Methodologies / Tools: VISIO, MATLAB, SIMULINK, PSpice, HP-ALM, Atlassian JIRA, Agile and SCRUM, Selenium, TestNG, ANT, SOAP, SOA, WDDF, XSLT, XML, PL/SQL, Oracle

PROFESSIONAL EXPERIENCE

Confidential

Responsibilities:

• Onshore, offshore coordination, requirement discussion and mapping, interacting wif client on day-to-day basis. Understanding OS issues and providing support.
• Online Support to field technician team.
• Hardware setup, connecting multiple circuit boards as per provided schematics.
• Trouble shooting hardware issues.
• Sanity, regression and UAT testing of blenders after each major version release.
• Ubuntu OS bootloader development and debugging
• OTA/FOTA campaign management. Auto and Manual blender upgrades to latest OS and FW versions. Managing OS migration from legacy system to EInfochips systems.
• New feature development, bug fixing of blender control using C/Ubuntu/Yocto Poky build.
• Auto and manual build over Jenkins build system. Promoting successfully built OS on production and UAT gateways.

Confidential

Responsibilities:

• Overall project management, requirement discussion and mapping, onshore-offshore coordination
• End to end audio experience solution development including developing Bose proprietary blocklib from BDSP reference model, Talaria complaint code generation
• Audio post processing algorithm modelling on Simulink as per Confidential requirements
• Matlab scripting and C++ code generation of developed models
• Model design of IIR/FIR filters, Soft clipper, Compressor, automatic volume gains, ASD router, upmixer, input and output signal routing algorithms
• Implementation of code on ADSP SHARC, Griffin and Griffin Ultralite processors
• Tuning artifacts generation for BCP, ATLAS Bose proprietary tuning tools
• Integration of audio announcement and entertainment modules
• MIPS, memory profiling, code optimization using CRLs & hardware accelerators providing library interface for BDP interfacing
• Unit and system test scripting and testing output time and frequency response
• Audio output tuning
• Python build scripting using SCONS library

Confidential

Responsibilities:

• Research on possible threats to vehicle units.
• Proposing possible test solutions
• Interacting wif tier 2 and tier 3 developments.
• Architecture analysis of DCM unit. Investigating for possible security threats to serial port, JTAG and Debug ports of Telematics unit.
• Reverse engineering using IDA-PRO of boot up code, serial port modules.
• Threat analysis of BLE unit, performed penetration testing.
• Security testing of DCM cellular features used R&S CMW500 call box to perform threat attacks using SMS, LTE and VoLTE protocols.
• Network traffic analysis using Wireshark
• Connected car app data reporting requirement and testcase generation.
• Headunit activity log communication wif server using REST and gRPC formats.

Confidential

Responsibilities:

• Porting Flashlite FL3.1.5 on ARM processor.
• Worked on ALSA driver topologies using JACK and v4l2 driver wif Gstreamer.
• Recording and playback of audio using alsasrc and alsasink into different formats like mp3, wave, etc.
• Development of the code using ANSI C, Linux Internal, Device Drivers and ARM tools.
• C++ multithreaded wrapper development which is XDAIS complaint interfacing of mp3 audio codec wif FL3.1.5 and H264 BP codecs. Porting of YOCTO - angstrom build codestack on beagle board.
• Development using C++ and design patterns like Singleton, Factory, Observer.
• Flashlite porting on STM5x for Confidential application.
• Board bring bootloader, bootstrapping using Uboot.bin and Mlo

Confidential

Responsibilities:

• Automation of logical Provisioning web application using Selenium, Data driven architecture, Eclipse IDE, TestNG, POM
• Testing of L2 and L3 layers provisioning for DS1, DS3, MLPPP, MLFR, OC3, OC48 speeds
• SOAP XML to JSON REST conversion. JSON security implementation
• Advanced mediation and rating AM&R for Cisco-BTS, SONUS, ALU switches using Openet-Fusionworks, Amdocs Ensemble, Amdocs Telegence.
• Developed unix scripts to execute usage processing.
• CDR/UDR usage creation and testing.

Confidential

Responsibilities:

• Worked on float to fixed point conversion of Soundlevel meter (SLM) code.
• Ported SLM and VLM code on TMS320C55X, firmware development.
• Developed ZoomFFT prototyping on Simulink/Matlab

Confidential

Responsibilities:

• Converted float to fixed point HEAAC, SBR
• Ported VC1, H264 on TMS64x
• Performed C code to Assembly code optimization. Use OMAP hardware accelerators
• Completed porting and optimization of G.729 speech code
• Worked on ADPCM and LPC modules
• Verified RTL code for TMSG64x SOC
• Verified MCASP application, video buffer and TSIP peripherals, SPI buffer RTL timing on Cadence - Palladium2/Zebu