JETHRO LAI
Developed by Jethro Lai 2026
ARCHITECTING THE FUTURE

I am Jethro Lai.

Creative Developer. Goal Oriented.

I engineer complex backend systems and high-fidelity products that prioritize the human experience.

Learn My Journey

The Architect

I am a developer who speaks the language of both machines and users. With deep expertise across backend architecture, frontend finesse, and mobile fluidity, I don't just write code—I build products that solve real problems.

My approach is rooted in Goal Orientation. I believe that every line of code and every architectural decision should directly contribute to strategic objectives, ensuring that even the most complex systems deliver elegant, impactful results. I strive for the Tesla standard: high performance under the hood, with a clean, effortless interface on the surface.

View My Resume

The Journey

Master of Science

University of Pennsylvania, USA (2008)
Telecommunication and Networking Engineering

Bachelor of Science

Yuan Ze University (2004)
Major in Electrical Engineering, Minor in Telecommunication Engineering

Enterprise Scaler

Building World-Class Software

Startup Founder

Speed & Innovation

$1B to $10B+

Scaling High-Growth Companies

Staff Software Engineer

Carta, San Francisco & Palo Alto, CA (11/2019 – 04/2020)

11/2019 – 04/2020

  • Founding member and designated tech lead of the LLC and Enterprise team.
  • Top contributor of the LLC services and projects.
  • Designed system architecture, implementation patterns and best practices for initial development.
  • Provided mentorship to peer engineers.
  • Directly worked on product development especially for complex subjects.

Principal Software Engineer

Personal Capital, Redwood City, CA (10/2017 – 11/2019)

10/2017 – 11/2019

  • Created the Event Data Pipeline using AWS Kinesis, Lambda, DynamoDB, CloudFormation.
  • Created real-time event based message triggering (Kinesis, Lambda, DynamoDB, SQS).
  • Created the Image Service, the first REST API in the company (SpringBoot, ElasticBeanstalk).
  • Created the Know Your Customer Service to support knowledge based authentication.
  • Created Subscription service to manage user’s communication preference.
  • Created real-time email tracking pipeline for measuring open, click, and other activities (ExactTarget, Kinesis, Lambda).
  • Dockerized Advice & Communication Engine and migrated to EKS based platform.

Software Engineer (Full Stack)

Quantcast, San Francisco, CA (06/2017 – 10/2017)

06/2017 – 10/2017

  • Developed scalable data processing systems for customer-facing attribution, reporting and analysis suite.
  • Worked closely with UX and Product Management team to design and implement full-stack attribution, insight features.
  • Developed and operated a set of custom facing reporting and attribution services, APIs and applications.

Software Engineer (DevOps), Developer Tools

Quantcast, San Francisco, CA (07/2015 – 06/2017)

07/2015 – 06/2017

  • Worked with developers all around the world to build technologies that help them be more productive.
  • Designed and promoted developmental and operational best practices and trained and coached developers.
  • Developed Universal Ticketing System that provides task management, escalating and alerting across the entire company.
  • Created technologies for development platforms including puppet forge, AWS guidebook, QJJB, SLAs dashboard, etc.
  • Developed and operated over 40 internal services (first-party and third party) including UTS, jenkins, monitoring, metrics, centralized logging, host configuration, internal wiki, internal github, jira custom development, artifactory and others.

Chief Software Architect / Founding Engineer

Truly, New York, NY, San Francisco, CA (08/2013 – 03/2015)

08/2013 – 03/2015

  • 50% development, 25% product development, 25% project and team management.
  • Led technical development in all perspectives including design, implementation, testing and operation.
  • Re-implemented and refactored the entire system in first month for better maintainability, extensibility and robustness.
  • Created development platforms and conventions including build process, implementation, model migration and testing.
  • Implemented development process and coached all members about agile methodology.
  • Implemented lots of integrations including Twilio APIs/TwiML, Google APIs, Microsoft Office 365 APIs, Salesforce APIs.
  • Designed an interview process for a better hiring decision.

Software Development Engineer / Software Engineer in Testing (SDET)

Comcast, Philadelphia, PA (01/2011 – 08/2013)

01/2011 – 08/2013

  • Developed backend and middleware services as APIs and data services for ingesting, synthesizing and delivering large data to core applications and products including X1/X2 platform, STBs, mobile and web clients.
  • Developed universal integration test suites (GreenBuild). The test size and coverage grew over 10X. The number of tests increased from less than 100 to over 2000 cases and the coverage went from less than 10% to nearly 100%.
  • Created a backwards compatibility test framework for core data services.

Let's build the future.

Ready to achieve your goals? Let's talk.

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