Cheng-Hsiu (Jash) Lee

Phone: 917-971-9551
Email:
Resume: https://s905060.github.io/
Location: Brooklyn, NY
Print:

Education

New York University, USA

Master in: Computer Science
Open Source Contribution
GitHubGitHub GitBookGitBook DockerHubDockerHub SoundCloudSoundCloud MixCloudMixCloud
Skills
LanguagesLanguages: BackendBackend: FrontendFrontend:
Bash, Python Go, Python/Django TypeScript, React Native, jQuery, HTML5, CSS3, Bootstrap

Load BalancingLoad Balancing: Configuration managementConfiguration management: VirtualizationVirtualization:
LVS, HAProxy, F5, ProxySQL Ansible, Puppet Xen, KVM, Vagrant, Docker, Esxi

Operating SystemOperating System: Monitoring ToolMonitoring Tool: Web ServerWeb Server:
Linux (server), Windows (server), Mac OS (server), CoreOS Munin, Nagios, Zenoss, Zabbix, Graphite, New Relic, Collectd, OpsGenie Apache, JBoss, Wildfly(JGroup), Nginx (PHP-FPM)

High AvailabilityHigh Availability: StorageStorage: CI/CDCI/CD:
Drbd, Keepalived, Heartbeat GlusterFS, Ceph, ZFS, NFS, Samba Jenkins, Concourse, Spinnaker

DatabasesDatabases: Distributed SystemsDistributed Systems: Computer NetworkingComputer Networking:
PostgreSQL, MySQL, SQLite, MongoDB, Redis, Elasticsearch (ELK), Aerospike, Openldap, ClustrixDB, IRONdb Hadoop, Spark, Yarn, Kafka, Zookeeper, Mesos, Kubernetes, Cassandra, ScyllaDB, HBase, Hive, Presto, Zeppelin, QFS, Imply, Druid, AB-Initio, TigerGraph CDN, LAN/WAN/ Wireless Networking, DNS, NAT, Firewall, TCP/IP, IPSec, VPN, Routing, Switching, SDN, Cisco & Juniper devices

Cloud InfrastructureCloud Infrastructure: Version ControlVersion Control: SecuritySecurity:
AWS, Azure Git, SVN, Bitbucket LDAP, Kerberos, SSL, HTTPs

Generative AIGenerative AI:
LLM: ChatGPT, ollama, phi3; Stable Diffusion Model: sdxl, realisticVision, gfpgan, inswapper; txt2img, img2img, txt2video, inpainting, ControlNet, Extract, Train, Convert.

Generative AI Experience
YouTube Content Creation:
  • Designed eye-catching thumbnails using Stable Diffusion models (SDXL, Realistic Vision) and inpainting techniques to enhance visual appeal.
  • Developed humorous video scripts with LLMs (ChatGPT, Ollama) to create engaging and entertaining content.
  • Created animated segments using text-to-video (txt2video) technology, bringing scripts to life with dynamic visuals.
Coding and Prototyping:
  • Utilized LLMs (ChatGPT, Phi3) for code assistance, debugging, and generating code snippets to streamline development processes.
  • Generated visual prototypes and mockups using Stable Diffusion models to guide app and website development.
  • Employed Extract and Train functionalities to fine-tune models based on specific datasets, enhancing performance for tailored applications.
Image and Video Generation:
  • Leveraged img2img and txt2img techniques to create unique visuals and memes that complement video content.
  • Applied ControlNet for advanced image manipulation and customization, ensuring high-quality outputs for various projects.
Work Experience

MicrosoftMicrosoft (Microsoft AI - Copilot)Member Of Technical Staff, Mar 2025 - Present
  • Optimizing Data Platform and AI/ML Infrastructure through PE, DevOps and SRE to enhance the Consumer Copilot experience.

Scientific GamblingScientific Gambling AppFounder, Dec 2024 - Present

MicrosoftMicrosoft (Microsoft AI)Principal Software Engineering Manager, Jan 2023 - Mar 2025
  • Microsoft AI, Advertising infrastructure and service integration
  • WWE, WebXT, Ad Engineering, MSN, MSAN, MSX, Bing, Xbox, Microsoft Store etc.
  • Big Data System, Platform, Infrastructure, Operation, Stability, Reliability, Performance, and Optimization.
  • Oversee multiple teams across the globe to provide 24/7/365 services
  • Coach team leads and line managers
  • Help the company increase revenue, reduce cost and empower every person and every organization on the planet to achieve more.

MicrosoftMicrosoft (Advertising)Sr. Manager, Technology, June 2022 - Jan 2023
  • Hybrid cloud big data infrastructures and services
  • Oversee multiple teams across the globe to provide 24/7/365 services

XandrXandr Sr. Manager, Technical Operations (Big Data), Dec 2021 - June 2022
  • Hybrid cloud big data infrastructures and services
  • Oversee two teams across the globe to provide 24/7/365 support

XandrXandr Manager, Technical Operations (Big Data), April 2019 - Dec 2021
  • Oversee day-to-day management of the team within big data infrastructures and pipeline services.
  • Take responsibility for the management and implementation of multiple projects for the team.
  • Ensure services and projects related priorities are consistent with company objectives.
  • Identify challenges and drive cross-functional solutions, continuously increasing operational efficiency.
  • Hire, coach and develop a team of technical staff to meet objectives.
  • Mentor engineers on career development and performance improvement.
  • Engage and retain motivated employees that grow with the organization.
  • Grew the size of team from 3 to 10 members.

AppNexusAppNexus Senior Systems Engineer (Big Data), Dec 2015 - April 2019
  • Act as team lead to coach and guide new team members.
  • Monitor, maintain and provision components of the Data Systems Platform.
  • Perform software upgrades on the components of the Data Systems Platform.
  • Work with the Data Engineering team to help design and implement the next iteration of scaling.
  • Work closely with the systems performance, systems operations, and network engineering teams as needed to ensure high performance and availability.
  • Work with the Data Engineering team to evaluate Open Source and Commercial software and hardware solutions.
  • Develop and implement tools to automate aspects of managing the Data Systems Platform, including upgrades where appropriate.
  • Participate in prototyping and proof-of-concept system development and benchmarking.
  • Manage storage restructuring as required.
  • Participate in on-call rotation responding to alerts and systems issues.
  • Manage user access and resource allocations to Data Systems Platform.

NYUNew York University Technical Consultant (Part-Time), Jun 2015 - Dec 2015
  • Make everyone’s life easier.
  • Research in Unikernels solutions.
  • Solving private cloud issues.

NielsenNielsen Site Reliability Engineer, Apr 2015 - Dec 2015
  • Automate everything.
  • Make sure every service is up and running with highest performance.
  • Design and build internal automation tools.
  • Integrated LVS system reducing 80% of overall Load Balancing cost.
  • Work on integration of CoreOS, Docker, Mesos, Kubernetes, ZooKeeper, Yarn, Hadoop, Spark, Kafka.
  • Rewrite Python scripts in Go.
  • Reduced 80% of overall SMS Alert cost.

eXelateeXelate Site Reliability Engineer, Jan 2015 - Apr 2015
  • Troubleshoot and analyze hardware, networks, application, and storage/DB related issues across 7 data centers (Physical/Virtual).
  • Cohesively work within a team to manage the monitoring and stability of our Unix environment.
  • Collaborate with R&D and Analytics departments on design concepts to help right-size technical infrastructure solutions.
  • Build, configure, and proactively automate systems and services.
  • Install and support in-house, open-source, and 3rd party applications across multiple vendor platforms.
  • Provide peer support to other System Administrators and End Users.
  • Building internal automation tools (API and WebApp).
  • Twilio API text alert integration

NYUNew York University Technical Lab Manager, Aug 2014 - Jan 2015
  • Leader of open source oriented technical team, (3*Web Developers, 3*System Engineers, 1*Site Reliability Engineer, 1*Security Engineer, 1*DevOps). https://github.com/CSELabs-team
  • In charge of the departmental data center.
  • Planning for Site Reliability and High Availability
  • General IT support, collaborative with school IS department.
  • Departmental private cloud service integration.
  • Development of departmental Website.

NYUNew York University Developer, Feb 2013 - Aug 2014
  • Designed and built new rack infrastructure from UPS (IP-PDU) to IPKVM and all production and development servers.
  • System Troubleshooting, Performance Tuning, Networking, Monitoring and Inspection of log files.
  • Authored technical documents and Bash Scripts.
  • Debugging and maintaining of PHP5 + jQuery codes.
  • Ubuntu server administration.
  • Open source Xen server administration.
  • Network administration.
  • Private cloud integration.
  • Database maintenance.
  • Reverse engineering of original Vlab.
  • Redesigned the architecture of Vlab.
  • Introduction to Vlab system and training for College Faculty.
  • Collaboration with five team members.
  • ### Vlab is a private cloud design/platform of a Virtual Laboratory for Information Assurance Education and Research, founded by NSF. ###

CEMCLChina Engineering & Mercantile Co., Ltd. Senior MIS Engineer, Sept 2011 - Aug 2012


MIS Engineer, Sept 2006 - Aug 2010


Jr. MIS Engineer, Sept 2002 - Sept 2006
  • Design of Customer Feedback system (Web based) in ASP. Net.
  • Design of Quotation system (Web based) in ASP. Net.
  • Design 2nd version of Company’s Website in PHP5 + jQuery based on LAMP.
  • Design 2nd version of On-line Customer Feedback system in Python.
  • Design 2nd version of On-line Quotation system in Python.
  • Design of Company’s Official Website in HTML5.
  • Linux Server, Windows Server and Mac OSX Server administration.
  • Virtualization administration.
  • Network administration.
  • General IT support.

TaiwanThe Republic of China Army (Taiwan) Second Lieutenant, Aug 2010 - Jul 2011
  • Deputy Company Commander: planning scheduling and supervising of the entire company’s routine jobs and daily training.
  • Platoon leader: management, organization and supervising of two platoon’s routine jobs professional training.
Hobbies
  • An EDM composer and DJ with eight years of experience, I also have a deep appreciation for classical music.
  • A passionate enthusiast of ping pong and billiards.
  • A devoted fan of Japanese manga, including all series by Junji Ito, the Kosaku Shima series, AKIRA, Ghost in the Shell and JoJo's Bizarre Adventure, among others.
  • A practitioner of Zone 2 training.
  • A joyful cat owner.