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Jeff Chen

 Experience

Ladder LifeHead of Security and Infrastructure

May 2018 - present

  • Responsible for overall security posture, including risk management, employee training, and proactive and reactive responses to possible threats

  • Directed infrastructure roadmap, including performance, metrics & alerting, and stability

  • Collaborated with legal to build a comprehensive infosec program complying with life insurance regulations in all 50 states

  • Negotiated contracts and managed relationships with IT and engineering third parties

Ladder LifeSoftware Engineer

Nov 2017 - May 2018

  • Enabled real-time metrics by reducing ETL latency from 24 hours to under 10 seconds

  • Designed new CI/CD workflow to speed up developer productivity and reduce deployment risk

  • Set up autoscaling infrastructure to handle traffic spikes of up to 20x baseline

Blend LabsSoftware Engineer

Jul 2016 - Nov 2017

  • Enabled third-party "App Store" by supporting external data stores in the data model

  • Directly impacted customer signing by developing several API endpoints and by improving platform performance by over 50%

  • Dramatically increased release and developer velocity by automating regression tests and enforcing API contracts across microservices

National Security AgencyStokes Scholar

Jun 2012 - Apr 2016

  • Implemented Linux IMA in Android devices using the embedded TrustZone secure environment for trusted boots

  • Developed CNE operations tool for collection of computer-to-computer communications

  • Wrote utilities for lightweight heuristic-based malware detection

Carnegie Mellon UniversityB.S. Computer Science

Aug 2012 - May 2016

     Selected Projects

    • Led development of eva, software for an autonomous submarine incorporating computer vision, control systems, and high-level planning

    • Created MiniPlay, a popular Chrome extension adding functionality to streaming music platorms

    • Designed and developed µCal, a macOS menubar clock utility

    • Created espresso, a deep learning framework designed to produce Caffe-compatible maintainable yet performant code

     Skills

    Languages
    • Clojure(script)
    • Javascript/Typescript
    • Python
    • C++
    • C
    • Swift
    • Java
    • x86
    Technologies
    • Cryptosystem design
    • *nix kernel
    • OpenMP/Open MPI
    • SIMD
    • CUDA/OpenCL
    • OpenCV
    • Embedded systems
    Web
    • MEAN
    • React
    • LESS/SASS/CSS
    • Selenium
    • Socket.IO
    • jQuery