University of California, Berkeley

Messaging Platform Engineering at LinkedIn

Milpitas, California, United States

Lead engineering in building Linked In world-class highly scalable messaging platform to enable professionals to work smarter through productive conversations.

LinkedIn

LinkedIn Messaging Platform Engineering

Lead engineering to build LinkedIn Groups to enable a meaningful vision of connecting the world’s professionals through quality conversations within trusted communities.

LinkedIn Groups Engineering

Lead engineering, from development to operations and security, to create a modern travel management platform that powers the human connection.

TripActions

VP Engineering

Lead web and mobile product development to enable online marketplace for Commercial real estate; from Seller, Buyer, and Broker end-user experience to Ten-X commercial back-office operations

Ten-X

Head Of Engineering - Commercial Real Estate

Lead web and mobile product development to redefine customer experience by providing insights and actionable feedback to all levels of world-class businesses around the world -- from C-suite to front-line.

Medallia

Sr Director of Engineering

Drive user retention within Growth across entire platform by any means.Accelerate Twitter engineers to build and operate reliable, efficient, and Twitter-scale server-side services through principled designed tools and libraries. Move Twitter's reliability and efficiency needles through core runtime development.

Twitter

Director of Engineering, Platform

Manage Core Runtime Systems group within Platform engineering, responsible for Twitter's largest runtime substrate. This includes Linux kernel and userspace development and server performance, managed language runtime (RubyVM and JVM), and Twitter RPC layer (Finagle and Netty). In addition, Core Runtime Systems  provide a suite of Observability products to visualize and monitor, in real time, every bit of metrics coming out of Twitter data centers, from host level to distributed applications.

Sr Engineering Manager, Runtime

Manage the Linux Kernel team that owns Twitter kernel development and server performance.  In addition and the Observability team that built and operated a real-time, high scalable, and powerful data visualization and monitoring system for all of Twitter data centers.Spearhead and bootstrap Twitter's first embedded SRE group within Platform organization.  This includes working with all engineering leaders to define charters and requirements for the role, working closely with recruiting to hire the best talents, and crafting a ramp-up process for immersion into the organization.

Engineering Manager, Runtime

Manage a cross-geographical location team, whose charter is to maintain and to improve correctness and reliability of VMware Hypervisor, which includes architectural verification of x86 and proprietary platform technologies critical to vSphere.  This involves development directed diagnostics on internal operating system, development of in-guest system level utilities, and all necessary automation frameworks.Maintain a parallel role of managing prototypes hardware to facilitate, across the entire company, the enablement of day-0 support of VMware flagship product on top of latest servers from OEMs. This role also includes planning, tracking, collaborating with technical operations and logistics, and managing hundreds of different whiteboxes cutting across numerous families and models of x86 processors and platforms.

VMware

Manager, R&D

Develop diagnostics to verify correctness of Vprobes, a technology with flexible user’s scripting API to unobtrusively observe the entire vSphere software stack, from the guest OS to ESX.

Sr. MTS

Supporting role for VMware virtual hardware team within the R&D organization, while submerging into the core technologies.  At the same time, leveraging daily task of monitoring and triaging architectural verification test suites to gain deep understanding of the Intel x86 architecture and VMware core virtualization technology.

Applying PSI’s JIT technology to realize the IBM z/Architecture on an Intel 64-bit Itanium Processors, which enables IBM z/OS and MVS to run on an HP/Intel platform along with other OS’s (Windows, Linux, Unix…).  Specifically, we employ Itanium Instruction-Set Architecture (ISA) to emulate IBM assembly instruction-set; carrying out the equivalent operations.Designed and implemented IBM Hexadecimal Floating Point and IEEE Binary Floating Point instruction sets on Intel Itanium Architecture, via the hardware floating point architecture.Designed and implemented channel between the Processor and the outside world, where its states could be preserved and logged, in an event of a fatal error.Designed and implemented many internal tools using C, C++, Perl, XML, Python, and Linux Shells

Tung Vo