Prince George

Software Engineer

Redmond, Washington, United States14 yrs 7 mos experience

Most Likely To SwitchHighly Stable

Key Highlights

10 years of experience in embedded systems and networking.
Led development of the first 400GbE interface card.
Expert in Linux kernel and device drivers.

Stackforce AI infers this person is a Networking and Embedded Systems expert with extensive experience in high-speed transceiver technologies.

Contact

Skills

Core Skills

Embedded SystemsSoftware DevelopmentNetwork VirtualizationLinux System Programming

Other Skills

High speed transceiver technologiesAzure NetworkAzure PhyNet400GbE interface cardTransceiver initializationControl plane virtualizationISSU infrastructureLink switchover mechanismFast Reroute400GbETransceiversPCIeLinux kernelHigh availability Enterprise Switches/RoutersOptimizations

About

Passionate software engineer having 10 years of experience in the area of computer network and embedded systems. Hands on experince:- - Linux kernel, device drivers, Uboot, UEFI firmware, board bring up - MLC-NAND, NOR and serial flashes - Ethernet MAC/PCS, SerDes, Transceivers, Gearbox/Retimer - Bus protocols:- I2C, SMBus, MDIO, SPI/eSPI, PCIe, Interlaken - In Service Sofware Upgrade(ISSU) across virtual nodes - Network Virtualization: Control plane virtualization and isolation - Sound understanding of Data Structures and Algorithms(Space & Time) - Object oriented design and programming using C++11/C++14, Design patterns, STL

Experience

14 yrs 7 mos

Total Experience

4 yrs 10 mos

Average Tenure

6 yrs 6 mos

Current Experience

Microsoft

2 roles

Software Engineering Manager

Promoted

Mar 2022 – Present · 4 yrs 3 mos

Managing the software for High speed transceiver technologies like DAC, AEC, AOC, Retimed optics, LPO/LRO, CPO for Azure Network

High speed transceiver technologiesAzure NetworkEmbedded SystemsSoftware Development

Software Engineer

Dec 2019 – Present · 6 yrs 6 mos

Azure PhyNet

Azure PhyNet

Juniper networks

Software Engineer 4

Oct 2015 – Dec 2019 · 4 yrs 2 mos · Bengaluru Area, India

Part of team that design and develop high speed (40G/100G/200/400) interfaces for CORE and MSE routers.
Bring up of industry's first 400GbE(IEEE 802.3bs) interface card. Successfully demonstrated the interoperability of the 400GbE card with Ciena 6500 at customer's lab, Texas, USA. https://lnkd.in/dzFezG9
Developed polymorphic messaging scheme to speed up transceiver initialization in a distributed task based approach by more than 80%
Tandem PCIe configuration of Xilinx FPGA for faster image upgrade
Control plane virtualization & isolation on MX chassis.
Developed ISSU infrastructure for multiple guest VMs.
Management port virtualization using linux host network stack instead of bridge.
Link switchover mechanism for guest VMs on link faults
Fast Reroute(FRR):Achieved less than 5 msec FRR timing
Inphi Retimer/Gearbox IN115XXX
Transceivers:- CFP8(400G), QSFP28, QSFP28-DD, QSFP56-DD(400G)

400GbE interface cardTransceiver initializationControl plane virtualizationISSU infrastructureLink switchover mechanismFast Reroute+2

Brocade

Software Engineer 2

Jul 2011 – Jun 2015 · 3 yrs 11 mos · Bengaluru Area, India

Worked as part of Linux Platform team that design, bring up and develops high availability Enterprise Switches/Routers.
Optimizations:-
1. Optimized memory footprint (RSS) of application using custom ELF section
2. Fast memcpy/memove() implementation (avoiding cache pollution) on PowerPc platforms
3. Optimized user space read of software 64 bit timer implemented with 32 bit hardware timer in kernel on ARMv5
Modified linux kernel 2.6 VM subsystem and elf to allow GDB access to mmio region and include the region in application coredump
Packet rate-limiting on OOB management port (BCM GMAC linux driver)
Uboot, Linux kernel, Linux system programming
Designed RASLOG feature for ICX series switches