Dennis O'Brien Email & Phone Number

US

US

Building tools and technologies using data science and machine learning to help job seekers find their ideal jobs.

Mountain View, CA, US

Led efforts in data science, machine learning, and data engineering to help acquire and grow technology startups.- Recruited, managed, and mentored a team of data engineers, data analysts, data scientists, and machine learning engineers to work on a variety of product verticals including distributed computing, machine learning tooling, food tech, computer.

Los Angeles, CA, US

- Facilitated a smooth transition of data pipelines, services, and reports after the acquisition of Idle Games by GSN Games. Integrated all systems without any disruptions.- Developed multiple machine learning models to predict churn probability for veteran players for multiple game studios. Worked with game product managers to design in-game interventions.

San Francisco, CA, US

- Created predictive models to better understand player monetization, retention, engagement, and acquisition.- Responsible for all aspects of the ETL data workflow from live services and third party data providers to the Vertica data warehouse.- Created data visualizations to reveal insights into our players and game health, and empowering teammates to ask.

San Francisco, CA, US

- Led a team of engineers to create a front-end client for a real-time massively multiplayer social poker game. (AS3)- Designed and implemented the content management system to allow artists and product managers to release new in-game content with no assistance required from engineers. (Django, Python, JSFL, Flex SDK)- Contributed to the full stack of.

Redwood City, CA, US

- Led a team of software engineers to create innovative, scalable, and secure social games on the Facebook Platform. (AS3, Java, Facebook API)- Designed and implemented reusable systems and components in the context of social games. (AS3, Java, Facebook API, Google Protocol Buffers)- Hired, trained, and mentored a team of software engineers; ramped up the.

Emeryville, California, US

- Developed numerous games for the Leapster, Leapster2, Leapster Explorer, Didj, ClickStart, and web platforms. (C++, C, ActionScript, AS2, AS3)- Designed and developed software libraries for third party game developers creating games for LeapFrog handheld video game platforms. (C++, AS2)- Led a team of developers to create a high performance 2D graphics.

US

- Designed and implemented large-scale, data-driven web applications.- Developed rapid prototypes of applications and games.- Identified production bottlenecks, then designed and developed tools to streamline production.- Defined functional specifications for client proposals and technical specifications for internal development.- Collaborated with artists.

Chicago, IL, US

- Developed multi-player and single-player games and online experiences. (Flash 4, Flash 5, Java, JavaScript, XML, Python)- Designed and developed back-end systems to support multi-player games and persistent user experiences. (Java, Perl, Python, XML, JavaScript)- Designed and developed tools to streamline production. (C++, Flash SDK, Python, Perl).

- Provided technical consultation to University faculty and staff on design and implementation of multimedia content for use in the curriculum.- Created online guides, tutorials, seminar materials, and help pages related to instructional technology.- Researched new software applications for web and multimedia development.

Chicago, IL, US

- Maintained a network of Windows workstations, Macs, and Novell servers in a student computer lab.- Administered UNIX webservers and fileservers.- Researched new software for lab security, administration and pedagogy.

- Developed programs to interface laboratory experiments with network computers.- Assisted Professor Jon Abbatt in many aspects of research including designing experiments, building equipment and analyzing results.

Developed computer simulations to model rain drop distributions and mixing.

Developed programs to analyze sequences of digital images of the Sun.

Alexandria, VA, US

Selected and edited scientific research articles for release to the press.

Bachelor Of Arts (B.A.), Physics

Computer Science