Patrick Hensley Email & Phone Number

New York, NY, US

• Current work: design and implementation of a transparent distributed query caching proxy for MongoDB, with fast incremental BSON and Mongo wire protocol parsing (Go).
• Created and maintain several key compilers and libraries: template language, LESS stylesheets, design tweaks system, etc (Java, TypeScript).
• Created an anti-DDoS system, with IP/TCP and TLS/HTTP protocol analysis and in-kernel traffic blocking, with shell and Web interfaces. This was the first Go project in production at the company (Go, TypeScript).
• Created and maintain core internationalization libraries based on the common locale data repository (CLDR) standard. These libraries power the company's I18N locale and formatting features in various applications, both.
• Created a caching HTTP proxy with custom routing, used during several high traffic events (Super Bowl, etc) (Nginx, Luajit).
• Prototyped a Java profiling agent for distributed application stack sampling (C, JVMTI, JNI).

New York, NY, US

• Enterprise customers included BBC, Time Warner, USA Today, Virgin, ABC News, Madison Square Garden.
• Lead architecture on all major systems used by the company.
• Chose Python as the company's primary implementation language, with C and Java used to implement key components. This enabled rapid development of the core product.
• Created framework for the Daylife Select product, a modular page composition framework with parallel rendering, rule-based fragment caching, etc (Python).
• Created framework for componentized public and internal APIs, with pluggable encodings, reflection, execution tracing (Python).
• Created a distributed HTTP proxy with global rate limiting (C, libevent).

Atlanta, Georgia, US

• Member of the research and development team.
• Designed and implemented a clustered instant messaging system (Java, SEDA).
• Created a system to convert Reuters video to Flash SWF format for playback on the Web (C).
• Created an event-driven, asynchronous fork of PureTLS for use by internal projects (Java).
• Designed and implemented a distributed authentication and single sign-on system (Java).
• Initiated and promoted several improvements to the software design process.

• Worked on a small team to design and implement the a link sharing and aggregation application (ASP, JavaScript).
• Designed and prototyped the OpenPass distributed authentication system based on RSA and AES (C++, PHP, Perl).
• Created a custom Internet Explorer 5 extension for link sharing (C++).

SE

• Member of the research and development team.
• Created virtualized FTP and HTTP daemons for a custom hosting system (C, Perl).
• Created Springmail web-based email system, and implemented the IMAP protocol (C, PHP).
• Created a custom analytics system for web hosting (Perl, C).
• Contributed to many other core systems and libraries (C, C++).

• Member of Firefly.com and Firefly Passport enterprise teams (C++, Java, Oracle).
• Created the page rendering framework and site implementation for Rolling Stone Magazine's first website (C++).
• Member of the OPS standard team in collaboration with Netscape and Microsoft.