Intro
Hi, I’m Dikai Tang(im@tangdikai.com). MSEE Shanghai University 2016, MSBA Cal Poly SLO 2020. Worked for Cisco System & Dell EMC as platform developer, experienced in hardware, networking, security. Exploring my career in data science and infrasctrure.
Skills
Language Basics: Proficient in C/C++/Objective-C/tcl/Python/Golang/R
Data: SQL, Redis, MongoDB, Tableau, TensorFlow, Scikit-learn
VLSI: Design and verification with FPGA, Verilog/UVM
Infrastructure: Cisco RS/Security, Docker/Kubernetes, AWS, GCP
Hardware: Kernel/U-boot Driver, DDR4, PCIE, SPI, I2C
Experiences
California Polytechnic State University, San Luis Obispo
Major (master): Business Analytics(Data Science)
Projects & Activity:
SECEdgar Analyzer: RA Project. Benchmarking Listed Firms using data from SECEdgar database (Security and Exchange Commission Electronic Gathering Analysis and Retrieval) Filings. Designed scraping, parsing, and analysis scripts calculating similarity score and value estimation leveraging NLP with python scikit-learn.
Personalized Recommender: Built Content-based filtering & Collaborative filtering recommender system with NVIDIA that calculating profile and preference similarity using scikit-learn and built backend application with Django on AWS EC2.
DELL EMC 2018.9-2019.9
Senior Software QA Engineer
Isilon products: Sustained support of Linux drivers with C for Isilon 5th/6th Gen hardware, including Frontend & Backend Network Controllers (NIC), Baseboard & Chassis Management Controller (BMC/CMC), Drive firmware upgrade features. Supported improvement features for legacy generation.
Infra Automation: Built automation and validation platform for releasing and patching with Jenkins & Docker, managing virtual testing pool with Restful API. Built systems automating traceback/syslog ETL supporting 10K+ active physical nodes globally across labs and customer production site.
Support: Built customer-facing solutions resolving problems of connectivity and integration with engineering team across vendors and customers.
Cisco Systems 2016.7-2018.8
Software Engineer
CBR8 products: Developed Linux drivers of new devices including PHY(SFPs), MAC, on legacy hardware platforms and drive firmware release upgrade packages. Worked reconstruction and improvement on platform features.
RPHY, HA-Shelf products: Developed U-boot and Linux support of new architecture design and brought-up hardware from scratch. Built secure-boot leveraging Intel/Altera FPGA’s security feature. Developed Linux driver supporting of 40G SFP transceiver PCI-E and interface and L2-L3 protocol stack. Developed High Available (HA) OS/firmware upgrading mechanisms without service interrupt. Developed diagnostic functions of onboard devices for manufacturing, automated in-factory validation.
Infra Automation: Built automation infrastructure for image compilation, SSL signing and validation through Jenkins and Ansible handling 1k initial request with 100k tests per-day. Managed in-lab test chassis and facility and requirement planning. Automated repurpose configuration of infrastructures including console servers, IXIA servers, routers & switches.
SHANGHAI UNIVERSITY 2014.9-2016.6
Major (master): Electronic Engineering
Awards:
Second Award Scholarship (top 20%)
Outstading Achievement-Altera Innovate Asia
Second Prize-National Graduate Students Electronic Design Contest
Projects:
Lidar 3D Modeling System
Using a Opensource Lidar and Altera DE1-SoC to build a 3D model, displaying realtime model on iPad. Tech stack Linux/socket/OpenGL ES etc.
SLAM and DATMO in Dynamic Environment Using Lidar
Built Simultaneous Localization and Mapping System using low cost RPLIDAR and Computer Vision technology. Implemented driver support in Linux for mechanic and hardware devices, built algorithms for cloud point clustering, feature matching, objected detection.
CAS-SIMIT 2013.7-2014.9
SW Engineer/IC Verification
Pressure Sensing SoC: RTL functional verification, IP core integrating, custom compilation tools, system designing.
NANJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS 2009.9-2013.6
Major(bachelor):Optical-electronic Engineering
Awards:
Projects and Social Activities:
“National Electronic Design Contest NUEDC Second Award (FPGA related designs)
“Huawei Cup Electronic Design Contest” First Prize
“Optical powered sensor network”
Using optical-electronic converter to power an fiber sensing network. Processing fiber communication protocols.