Hao Chen Email & Phone Number

San Mateo, California, Us

* Working on AI / Creator

Menlo Park, Ca, Us

* Director-level IC that worked on the Facebook core app tech stack(Newsfeed/Reels/Video), across mobile and backend.* Improved various Facebook app performance characteristics(e.g. reducing startup times by > 50%) by redesigning/rebuilding various systems like startup & asset fetching.* Improved core Facebook functional reliability, by ensuring we had sufficient root cause/diagnostic logging across each layer of stack, rebuilding systems where necessary to address fundamental flaws. * Influenced product strategy for Facebook’s short form video product, especially during incubation stages and the creator ecosystem.* Built an ML effects platform that supported both real-time mobile inference and async server generation, with productionized aging/cartoon effect GAN models that had high creator engagement. * Mentored senior ICs across divisions.

San Francisco, California, Us

* Technical owner for multiple games/studios.* Provided technical guidance to business leadership on various issues/priorities.* Created strategy plans for tech to resolve various problems. * Advised studio CTOs on tech.* Continued to drive cross-company tech initiatives.

San Francisco, California, Us

* Technical owner for Unity based multi-platform game.* Guided to better product decisions by leveraging technical constraints. * Drove various cross-company tech initiatives in analytics, technology ownership, and performance.* Mentored senior engineers across the company.

San Francisco, California, Us

* Technical owner for a client/server app that scales to millions of users, supporting new software updates daily.* Provide leadership on the full client/server technology stack to a large engineering team.* Act as technical advisor to inform business and strategic tradeoffs.* Collaborate with central technology teams to drive beneficial shared tech.

Redmond, Washington, Us

* Architect for the ESPN on Xbox LIVE product, that brings live/on-demand streaming HD video to the Xbox console with interactive elements. * Drove technical strategy, decisions, and oversight for the product.* Designed architecture and drove movement to ship the product as a service(a Xbox first), with high QoS. * Drove shared components leveraged by other Studio teams, such as a common Kinect API/UI framework, client to server error reporting API, and a Xbox package download and management system.

Redmond, Washington, Us

* Tech lead for the client platform component for a massively multiplayer scheduled entertainment product, bringing a new genre of entertainment to the Xbox. * Helped build the team from 1 to 15+ by heavily participating in hiring loops for senior positions. * Helped define architecture & vision of the overall product. * Provided technical leadership across the entire Primetime org, often pitching in on other teams. * Designed & implemented various new Xbox OS components such as a reminder / scheduling system, and a new system for the episodic delivery of content. * Built an architecture that was flexible enough to require minimal work in subsequent releases as new requirements & features were needed.

Redmond, Washington, Us

* Worked as sole developer on many prototype projects involving a variety of technology, from micro footprint streaming video to the first MS hand tracking API for the Kinect.* Participated in business opportunity proposal meetings as technical advisor with high level execs for these prototype projects. * Tech lead for the Xbox 360 game library OS component, working with internal partners such as XNA and Xbox LIVE Arcade Publishing to manage asks & deliverables. * Managed product schedule and delivered all requested features, ahead of schedule, and with an excellent quality bar, creating a solid reputation throughout the wider org for both the team and myself. * Provided technical leadership on Xbox 360 architecture to a 15+ member dev team.

Redmond, Washington, Us

* Contributed to converting the Windows graphics driver model from kernel mode to user model which had a big impact in Windows OS reliability improvements. * Became highly proficient in working with the complete OS stack in both kernel and user mode pieces. * Developed awesome debugging skills due to exposure to a wide variety of issues, occasionally at the x86/ia64 assembly level. The issues include bugchecks, deadlocks, black screens, hung CPU/GPUs, BIOS emulation, and user error. * Built OS support for various features such as laptop monitor management, monitor detection, automatic driver installation, display management, and memory management for hardware drivers.

Redmond, Washington, Us

* Gained experience shipping a beta and v1 internet scale web product(Spaces), in design, implementation, making tradeoffs, etc. * Gained experience around building internet scale services & solving networking related problems. * Worked on all aspects of an internet scale message routing system(Alerts). * Solely designed & implemented the middle tier API for Spaces which was used by all web front end clients. This API is still in use in many Windows Live properties today.(7 yrs later) * Wrote efficient, scalable C++ & C# features for the services that I worked on. * Performed many cross-team duties such as being dev contact for the back end team, and educating the MSN Japan dev team on the middle tier API.

* 2 years of internships during my university studies at various companies such as EA, ATI, and Microsoft. Worked on a variety of areas from OpenGL graphics engines to Unix X-Shell set top boxes to UI apps.