Lewis Zimmerman Email & Phone Number

Vancouver, Bc, Ca

Vancouver, British Columbia, Ca

Lead development of enterprise products and special initiatives (Python/JS/Django).- Initially brought on to adapt a consumer oriented career assessment platform and re-engineer it to help manage employee success in enterprise environments, supporting organizations such as Redfin and Zenefits before being acquired as a stand-alone product in 2018.- Built and maintained first machine-learned version of consumer facing career assessment that performed online matrix factorization on psychometric input data to achieve RMSE < 0.8 while generating personalized career ratings over thousands of careers in < 100ms.

Lead technical architecture, design and development (Clojure/Python/JS/React/Electron).- Designed and developed proprietary learning management system and real-time assessment platform, as well as tools for internal measurement and analytics.- Helped lead development of Prelude Operator, an automated attack platform designed to help companies assess security vulnerabilities by emulating threat actors against their live environments.- Responsible for UI/UX design as well as leading the development of advanced features and research.

Vancouver, British Columbia, Ca

Built tools to help support content creators for one of the largest YouTube platforms in the world (PHP/JS).- Built a suite of browser-based thumbnail editing and comment moderation tools, as well as a scalable analytics and reporting platform.- Built a performance optimization pipeline to asynchronously pre-compute rollups over key metric data in order to allow front-end analytics services to support rich drill-down analysis in real-time.

Vancouver, Bc, Ca

Lead technical architecture, development and quantitative strategic analysis for several large digital marketing engagements (Python/Node/PHP/HTML/JS/CSS).- Worked across various disciplines to shape media, technical and marketing strategies for clients such as Ferrero Rocher, Sony Playstation, Kaltire, and the Credit Unions of BC.

Vancouver, British Columbia, Ca

Lead security and anti-piracy on the cross-platform action title SpaceMarine (C/C++/C#/Python), core contributor to server/network team of the Company of Heroes game franchise (Python/Java/C++/C#/MySQL/Memcached).- Developed next-generation server technology for Company of Heroes Online, capable of running multiple titles concurrently in support of strategic shift to online gaming across all THQ studios.- Designed and implemented a variety of high-performance lockless and distributed messaging, search, and ranking algorithms.- Designed and implemented a fault-tolerant distributed object persistence and caching framework.- Performed attack vector analysis on SpaceMarine and used a number of techniques, such as cryptographic resource signing, authenticated handshakes, memory vaulting and runtime executable tamper detection to protect against cheating and piracy.

Vancouver, Bc, Ca

Developed, pitched and implemented award-winning digital marketing strategies for several international brands (PHP/HTML/JS/CSS).- Collaborated with creative teams to build next generation web and mobile-web applications and marketing campaigns under tight timelines.

Vancouver, British Columbia, Ca

Tools engineer on the pipeline team of an unannounced action game (Python/C++).- Developed tools to decrease time spent building and testing visual assets by up to 90%.- Applied aggressive optimization techniques to Company of Heroes backend, enabling record level online player counts.

A media distribution platform that redesigned the economics and incentives of buying music, while giving artists tools to visualize and leverage cultural mechanics

Building a scalable consulting business focused on software development for small to mid-sized organizations, while working closely with clients to facilitate the sound execution of business-enhancing software projects

Developed and executed strategy to build systems that help eliminate asymmetries in labour markets

Performed feasibility and technical analysis to design and develop a system to collect real-time financial data

Proposed, managed and developed several web-based applications, identities and strategies

Worked closely with clients and co-workers to identify and solve business needs with rich media applications that focused on usability and a clean visual aesthetic