Feb 2018 – Jun 2021 · 3 yrs 4 mos · Bengaluru, Karnataka, India

• SoC and platform bringup:
• BSP development for RiscV 64/32 platforms with embedded linux/yocto and FreeRTOS
• Porting of tensor flow and ML framework for RiscV
• Migration of Debian, ubuntu, open WRT for RiscV
• Linux kernel driver porting and debugging for RiscV based on SiFive core
• RiscV security framework migration
• Custom DMA and interrupt low level handling for RiscV
• Custom linux package migration for RiscV (edgex, Clear OS, PF sense, X11, Media players, PyTorch, JVM)
• Xilinx MPSoC, TIAM43 xx, AM33 xx, NXP i.MX6/7/8, Qualcomm smart dragon, mediatek MT68xx series, allwinner AXX series, rock chip RK3xxx series, Amlogic S905 BSP migration and porting, product development
• STM32 based CAN firmware and hardware development
• Development of Wifi Aware stack for android platform on i.MX
• Android based IOT headless platform migration for allwinner and i.MX (edge gateway)
• Edge and cloud computing:
• POCs on EdgeX,Akraino, Eclipse kura, apache projects for Edge and fog computing, migration of meta-virtualization with docker, OCI framework and other container framework on RiscV.
• Edge platform migration based on azure edge and amazon greengrass on NVIDIA Xavier/ Jetson nano, raspberry pi 3/4, intel movidius
• POCs on Cloud native for private 5G and ORAN.
• Development of iot edge gateway for Zigbee, BLE and WIFI
• Development of SMART NIC and dpdk with data path and dpi framework based on user space tcp/ip stack like F stack
• Product architect for end to end IOT product with azure IOT hub/AWS IOT integration and edge gateway for home automation with ZNQ based message broker
• Responsible for providing device level IOT security with SecureBoot, chain of trust, kernel and file system security DM verity, crypto, TPM, network security, firewall and process management, user privileges, encryption decryption
• Security Testing mechanisms based on kalilinux and commercial penetrating testing tools (metasploit)
• AWS based Energy monitoring system with IOT edge

Sep 2016 – Feb 2018 · 1 yr 5 mos · Bangalore

• Working on Different product lines related to WiFi AP and Controllers. Adapting new technologies like SDN, openvswitch, DPI, url filtering for security, IOT integration, hardware acceleration and offloading, containers lxc and dockers for private zones, different platform related features with linux kernel modifications.

May 2014 – Aug 2016 · 2 yrs 3 mos · Bengaluru, Karnataka, India

• Development of RPC layer based OFED framework for RoCE, IWARP . Involved in different PoCs related to openstack, neutron, cinder, sahara, opendaylight and MASS/Juju for openstack deployment , Development of CI/HyperConverge platforms. Involved in development of Scaleout/Scaleup of Amazon S3 Active Backup solution from WD. Involved in evalaution of glusterfs, HDFS and other distributed environment and storage solutions for HyperConverge platforms.

Dec 2011 – May 2014 · 2 yrs 5 mos · Bengaluru Area, India

• End to End development of Thin Client Product lin Completely Designed and Developed Thin Client OS from scratch for Intel x86, ARM controllers from TI and WonderMedia. Understanding of FreeRDP/RemoteFX, Citrix HDX, Vmware View with Teradichi Video Acceleration capability. Utilization of Compositor for 3D acceleration, OpenGL ES based Client side rendering for Flash videos, gstreamer based audio/video codecs with Hardware offloading for Video
• Integration of PCSC framework for smartcard, RFID and NFC readers.
• Licensing Server Integration with Remote PXE booting capability.
• Device Management Layer along with Remote firmware upgrade and Restore framework.
• Complete Solution for Monitoring and configuration of Thin Client Devices.
• .

Nov 2009 – Dec 2011 · 2 yrs 1 mo · Bengaluru, Karnataka, India

• Wireless world of web - IOT company started in 2009. provides RFID, WSN and PoS related solutions for B2C and B2B market Granted Patent on Route Predication of Vehicles carrying oil based Wireless Sensor Data and RFID information "
• Developed Smart Grid Solution with Zigbee based 802.15.4 devices for Mesh networking
• Developed Streetlight controller based Custom Mesh network stack on 802.15.4 chipset.
• Developed Active RFID based Motor Tracking System/Electrical Appliance Tracking System along with Warehouse Management.
• Developed Invento - Inventory Tracking System with 3D indoor map integration for material tracking for
• Involved in Development of DDU forIndian Navy.
• Involved in development PoS devices for Petrol Bunk Automation .
• Involved in Development of PDS PoS devicesRetail and Manufacturing Industry.

Jan 2007 – Nov 2009 · 2 yrs 10 mos

• Driver Development:
• Drivers for Storage Class Memory device on AMD HyperTransport for Linux from scratch.
• Drivers for Spansion's NOR flash as a low level chip driver
• Drivers for PCI device testing with MMIO, debugging & fault mgnt., PCIE switch & power mgnt.
• Supported MSI-X interrupt for virident SCM with kernel APIC
• Custom driver for SSD storage on linux kernel with MTD + 64 bit support.
• PCI proxy & balloon drivers for Xen Virtualization.
• Low level chip driver development for multiple NAND flashes on virident SSD & linux kernel integration.
• Modified UBIFS driver for running on virident SSD storage
• Emulator:
• Developed qemu based virtual flash device which communicates with RTL simulator
• modified qemu/kvm to support 512GB SCM on Guest OS.
• Investigated different frameworks for integrate software based FTL
• implementation of Virident VSAN
• Bringup:
• Porting of coreboot/linux BIOS on different x86 & marvel controllers & investigation of different FTL frameworks POC on VSAN and FTL

Oct 2006 – Jan 2007 · 3 mos

Jan 2001 – Oct 2006 · 5 yrs 9 mos · Bangaon, West Bengal, India

• 1. Worked in different operating systems like DoS, pSoS, Windows 2k/XP, WinCE/Windows Mobile, 2. Developed drivers for Rugged Terminals for Touch screen, input devices, scanner, Wedge device, RFID/bar code scanner driver on Linux/WinCE platforms.
• Embedded Linux, Carrier Grade Linux from Montavista, openwrt.
• 3. Involved in the Porting bootloader and BSP on Symbol's EDA based on Linux(world's 2nd linux based EDA)
• 4 Patents on Fingerprint Aunthentication System and Text to Speech System.
• 5. Development of Terminal Emulation software and Browser on Symbol's Rugged Terminals.
• 6. Involved in platform bringup for Symbol's Wireless controllers.
• 7. Development of World's First Blade based Plugggable Wireless controller on IBM HS20.
• intel based Wireless controllers.

Jul 1999 – Jan 2001 · 1 yr 6 mos · Bengaluru, Karnataka, India

• 1. Worked as Research Assistent in Areas of Wireless, RADAR and Microwave communication.
• 2. Worked on opengl and C++ for designing the Node based flight simulator.
• 3. Worked on RCS analysis for LCA project
• 4. Published papers on Microwave along with colleagues.