Kenneth Chan

March 2021-Present

Led full-stack improvements to DocSend's content importing and processing flows that cover 35% of trial-to-paid conversions and contributing to a 15% year-over-year increase in annual recurring revenue for the organization

Two of these projects were featured in Dropbox’s quarterly earnings calls, contributing to a 16% EPS outperformance that quarter

Collaborated cross-functionally with product, security, privacy, and core infrastructure teams to shape the multi-year roadmap, advocating for early foundational projects that accelerated up to 70% of feature and product development in a subsequent quarter
Resolved critical production incidents and participated in postmortems, helping reduce the annual run rate impact of high-severity incidents by 8%

September 2015-March 2021

Led the planning and execution of essential user features for DocSend, working both independently and in collaboration with teams, contributing to its $165 million acquisition by Dropbox
Developed a highly scalable PDF processing system using AWS Lambda, improving processing speed by 2x to 50x depending on document size, and serving as a foundational component of the entire DocSend product
Led initiatives in testing, peer code reviews, software design, and code style, resulting in a 20% reduction in post-commit regressions
Identified, optimized, and scaled job queuing and database inefficiencies, ensuring over 99% of web requests were processed within 500ms
Led and delegated critical on-call production processes for organizational infrastructure and third-party services, focusing on high-severity incidents involving data remediation, rollbacks, and outages to maintain 99.9% uptime

July 2014-August 2015

Aided in a team of three to build a wizard academy management mobile game built on custom HTML5 WebGL game engine
Used a combination of Cordova and WKWebView optimizations to run the game on iOS and Android
Used ReactJS for prototyping

April 2010-August 2013

Built, optimized, and scaled majority of the ad serving infrastructure involving OpenX(PHP), Java Server App, Hadoop, Thrift
24/7 On-call production support on system with 15,000 peak requests per second and up to 100 million daily impressions
Developed and improved many features assisting in $1M+ deals including delivery algorithms, targeting, data analytics

July 2008-Oct 2009

Involved with extending the DisplayPort specification regarding switching between integrated and discrete graphics
Identifying and fixing time-critical kernel level software bugs.

Languages: Typescript/Javascript (ES6/NodeJS), Ruby, Elixir/OTP, Python, Java, PHP, C/C++
Backend: NodeJS, PostgreSQL, Redis, Elasticsearch, Nginx, MySQL, Memcached, Hadoop
Frontend: React/Redux, React Native, HTML5, JQuery, Bootstrap
Frameworks: Ruby on Rails, NextJS, Elixir Phoenix
Dev Ops: AWS (EC2, RDS, IAM policy management, Lambda, CloudWatch, CloudFront, DynamoDB), Docker, Heroku, Debian or Red Hat Linux

May 2008