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CV

Experience

  • Engineer
    2023-04 - Present
    Inngest
    San Francisco
  • Head of Engineering
    2021-09 - 2023-02
    oVice
    San Francisco / Japan
    As the Head of the Engineering department, my main role was to take over the operations from the technical founder, recruit, build and mentor my reports to a world class team. As an advisor/exec from pre series A, I was also involved in all aspects of operations including product/design/sales/customer success to help shape and grow the business with a more sustainable and systemized approach.
    • Inherited a team of 9 engineers/PMs/QAs and grew it to 43
    • Standardized SDLC best practices, reducing time of delivery for changes from once every 2 weeks to multiple times per day
    • Led and delivered multiple system re-architectures to provide better scaling capabilities, resulted in reduced outages and an uptime of 99.99%
    • Led and delivered WebRTC system refactor and increased concurrent users access limit from 500 to 1000, enabling larger capacity of user interactions and engagement
  • SRE
    2019-09 - 2021-09
    Cloudflare
    San Francisco
    Started as an SRE in the Core SRE team. Quickly branched off to build a new team with a colleague to handle better software/hardware integration for servers. A missing, yet critical function of the company. My role included communicating with stakeholders, project management, system architecture design and also implementation.
    • Built and co-led (Software lead) a new SWE/SRE team that handles both hardware and software engineering from 2 to 10, including hiring the manager.
    • Started and led a project (codename Zinc) to rebuild a critical internal tool for handling all hardware provisioning and democratize inventory data within the company. Resulting in easier data center capacity planning and opening up programmatic access to servers.
  • Staff SRE
    2018-09 - 2019-09
    Entelo
    San Francisco
    As the Lead Engineer of the SRE team, I worked with EMs and VP of Engineering to set out the roadmap for SRE, to improve both the reliability and scalability of the platform. I was also an architecture guide for the rest of the SWE teams, helping them and providing advice on understanding the pros/cons and tradeoffs of their system design.
    • Containerized applications and standardized deployments with Kubernetes + Spinnaker
    • Self hosted Kubernetes and automated scaling on AWS - (EKS was still early days and unstable)
    • Reduced cloud infrastructure bloat and monthly cost by 50%
    • Systemized reliable changes to infrastructure with automated testing
  • Senior DevOps Engineer
    2016-04 - 2018-08
    Cerego
    San Francisco
    Started as the first DevOps engineer of the company and directly reported to the VP of Engineering. Work includes stabilizing platform systems, setting up incident procedures and runbooks, and security. Also work with SWEs from time to time to apply large impact changes without causing stability issues
    • Promote engineering best practices and standards
    • Worked with security compliances like SOC2 and NIST 800-53
    • Rebuilt entire infrastructure in AWS and automated maintenance, including DB failovers and automated recoveries
  • Software Engineer
    2015-09 - 2016-04
    New Relic
    San Francisco
    • Worked on real-time data synchronization system for analysis of customers and operations, and stabilized its CI pipeline
    • Designed and developed features for pricing model extensions and subscription services

Education

Volunteering

  • Mentor
    2014-08 - 2014-09
    Life is Tech!
    Worked as a mentor at Life is Tech! summer camp at Kyoto. Taught children how to code using HTML/CSS, Javascript and Objective-C.
  • Mentor
    2014-01 - 2014-12
    CA Tech Kids
    Startup member of the Osaka branch. Taught children coding with HTML/CSS, Javascript for web development and Objective-C for mobile development.

Languages

  • English - Fluent
  • Japanese - Fluent
  • Chinese - Limited
  • Cantonese - Limited
  • Ruby - Fluent
  • Elixir - Fluent
  • Rust - Somewhat fluent
  • Golang - Limited
  • Typescript - Limited
  • Python - Limited
  • C/C++ - Limited