Software Engineer Embedded Systems

WULUN DAI Embedded Systems & Software Engineering Leader

** ***** ****** ***** *********, CA 92688 760-***-**** ******@*****.***

Experienced & highly versatile Embedded Systems & Software Engineer with deep expertise across real-time operating systems, wireless networking, security, & systems design. Proven track record of driving innovative solutions for global tech leaders, startups, & advanced R&D teams.

C, C++, C#, Python, Shell Scripting, Assembly Linux, Unix, Windows, VxWorks, MacOS, Embedded Systems TCP/IP, UDP, Networking Protocols, Socket Programming Debugging: JTAG, GDB, WinDBG, Crash Dumps Dev Tools: Visual Studio, Git, Jenkins, Perforce, Bitbucket

PROFESSIONAL EXPERIENCE

Embedded Software Consultant (Contractor) ASML 02/2024 – Present (Remote)

ASML is a leading global supplier of advanced semiconductor manufacturing equipment and technology.

Notable Achievements:

Developed features to support variable droplet frequencies for plasma generation in real-time control software; coding, testing on dev benches and lab benches.

Designed and implemented local controller software interfaces; integrated and released software patches.

Tools/Tech: C/C++, multi-threading, real-time embedded programming, Linux, Linux Kernel, VxWorks.

Wireless Software Engineer (Contractor) VANET Technologies 10/2023 – 02/2024

VANET Technologies develops advanced vehicular networking and wireless communication solutions.

Notable Achievements:

Ported VANET software from Linux to Qualcomm WiFi 7 SDK; modified and tested WPA Supplicant for compatibility.

Performed hardware-level testing and debugging for VANET systems.

Proxy Server Optimization Project:

Developed transparent proxy server for WiFi access points to boost network performance.

Implemented QoS policies to prioritize real-time apps; achieved throughput improvements of 30–70% in tests with Linksys AC 1900 AP.

Tools: C/C++, multi-threading, OpenWrt 18.05.

WiFi Sub-Net Roaming Project:

Designed and implemented seamless subnet roaming solutions; reduced roaming handoff times by 40% for mobile users.

Tools: Linux, C, Linux Kernel, TCP/IP, OpenWrt, WiFi 6, WiFi 7.

Senior Staff Software Engineer BlackBerry - Cylance 09/2016 – 10/2023

Cylance (a BlackBerry company) delivers AI-driven cybersecurity solutions for proactive threat prevention and endpoint protection.

Notable Achievements:

Led research, design, and implementation of Cylance Identity Product.

Built Microsoft Credential Provider for two-factor authentication and network flow monitor sensors for endpoint hazard analysis.

Developed keyboard, mouse, Powershell, and AMSI sensors for user identity recognition; collaborated with AI teams to create Bayesian models for sensor data.

Managed UI design, implementation, testing; conducted code analysis and unit tests.

Tools: C/C++, C#, Windows Kernel, Windows Internal, Windows Networking Programming, AWS, Rust.

Principal Software Engineer SecureAuth 11/2015 – 07/2016

SecureAuth provides identity and access management solutions, specializing in adaptive authentication and single sign-on for enterprise security.

Notable Achievements:

Designed and delivered a Microsoft Credential Provider to enable robust two-factor authentication across enterprise environments.

Engineered secure communication protocols between key generation servers and endpoints, strengthening data protection and user validation.

Led UI design and end-to-end implementation, ensuring a seamless, secure user experience.

Software Development Engineer Microsoft 10/2014 – 11/2015

Microsoft is a global leader in software, services, and devices, best known for its Windows operating systems and enterprise solutions.

Notable Achievements:

Enhanced Windows 10 Setup installation processes, including secure BitLocker unlocking and comprehensive compatibility checks for diverse hardware environments.

Identified and resolved critical bugs to ensure a smooth, large-scale Windows 10 rollout for millions of end users.

Software Development Engineer Amazon 12/2013 – 09/2014

Amazon is a global leader in e-commerce and cloud computing, powering businesses worldwide through AWS infrastructure and services.

Notable Achievements:

Developed and optimized IP address management systems for AWS EC2 instances, boosting network performance and reliability for enterprise-scale deployments.

Provided operational support and troubleshooting to maintain high availability in large cloud environments.

Principal Scientist Broadcom Inc. 04/2011 – 11/2013

Broadcom is a global technology leader designing semiconductor and infrastructure software solutions for wired and wireless communications.

Notable Achievements:

Engineered and deployed advanced cable modem software, wireless multicast forwarding, and WiFi device drivers to enhance broadband connectivity and network performance.

Provided expert customer support and resolved complex technical issues, ensuring successful product integration for global clients.

Embedded System Software Engineer Cisco Systems 05/2010 – 04/2011

Cisco Systems is a worldwide leader in networking hardware, software, and telecommunications solutions for enterprise and service provider markets.

Notable Achievements:

Designed and delivered key content delivery server components to enhance digital media distribution capabilities.

Optimized RTP/RTCP streaming performance and resolved critical server issues, improving reliability and user experience across global deployments.

Staff Software Engineer Networks In Motion 02/2009 – 05/2010

Networks In Motion specialized in Location-Based Services (LBS) software for mobile devices, enabling real-time navigation and tracking for major carriers.

Notable Achievements:

Led end-to-end development of LBS solutions for mobile platforms, delivering real-time navigation and tracking services in partnership with Verizon, Telus, and MetroPCS to expand market reach and user engagement.

Co-Founder & VP of Software Development Skysurfer Inc 09/2007 – 01/2009

Skysurfer Inc. was a startup delivering multimedia multicast live streaming and interactive video conferencing solutions.

Notable Achievements:

Spearheaded design and deployment of Skysurfer’s live streaming and two-way video conferencing framework, driving innovative multimedia solutions to market.

Built and managed an offshore engineering team in Beijing to accelerate development timelines and scale technical capabilities.

Integrated core streaming technology with a user portal, enabling new business models and revenue streams.

Principal Software Engineer (Contractor) Innopath 05/2007 – 09/2007

Innopath provided mobile device management and firmware update solutions for wireless carriers and device manufacturers.

Notable Achievements:

Led end-to-end design, development, and testing of memory card firmware DFS update support, improving device reliability and upgrade efficiency for mobile phone platforms.

Principal Engineer IST International Inc. 09/2003 – 08/2004

IST International Inc. specializes in developing advanced wireless communication and networking solutions.

Notable Achievements:

Led the design and delivery of a Wireless TCP/IP Gateway, creating congestion and flow control algorithms, selecting optimal platforms and switches, and implementing active standby high availability (HA) services to ensure resilient network performance.

Lead Software Engineer Motorola Inc. 05/1997 – 09/2003

Motorola Inc. is a global leader in wireless communications, pioneering mobile networks and two-way radio technologies.

Notable Achievements:

Led design and implementation of the Harmony Wireless Communication System, enabling two-way dispatch and wireless telephone interconnect using iDEN technology

Developed and optimized communication subsystems including LAPD, UDP, and socket programming; spearheaded selection and deployment of new hardware platforms (e.g., Netra T1 100).

Created a bootable Customized Automatic JumpStart CD for SUN Solaris to streamline installations.

Directed the High-Speed Frame Relay project for iDEN systems, overseeing architecture design, TCP routing, and subsystem integration to enhance network speed and reliability.

EDUCATION

Ph.D., Electrical and Computer Engineering

University of California, Irvine GPA: 3.99/4.00 (2001)

M.S., Electrical and Computer Engineering

University of California, Irvine GPA: 3.87/4.00 (1996)

TECHNICAL EXPERTISE

Programming: C, C++, C#, Korn Shell, Python, Assembly

Operating Systems: Unix, Linux, VxWorks, Windows, Mac, OpenWrt

Networking: TCP/IP, UDP, LAPD, OSPF, RIP, Socket Programming

Debugging: JTAG, strace, gdb, kdump, crash, WinDBG

Tools: Visual Studio, Perforce, Bitbucket, Jenkins, GitHub

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