* Technical lead for 4-5 senior engineers to modernize legacy anti-fraud processing and anti-cheat management systems. * Created extensive documentation for complex microservice/distributed systems across multiple teams and organizations, including process flows, logic paths, PlantUML/Mermaid diagrams, for developing new features or improving existing features. Solicited peer review feedback early and often.* Designed and lead improvements to quality tools (SonarQube, CI for PRs), test automation (TestContainers, MockServer), and created roadmaps for continual coverage improvements.* Lead modernization of anti-cheat game server and backend web services, as well as QoL improvements for developers, by doing, with five other engineers between two peer teams.* Mentored 1 engineer as a more senior peer, for topics such as giving feedback, and developing skills (both technical and collaboration/communication).* Created prototypes for major systems upgrade, and plans for the actual following work. JDK, .net, etc.

* Technical leadership for cloud-native engineering across Unity (over 1000 employees), including basic training for non-technical employees, tech stack selection guidance, standards for programming languages, and documenting a myriad of on-boarding resources.* Technical leadership for future-facing ("2030") cloud-enabled strategy for the offline Unity product portfolio (Unity Engine, in particular). Collaborated with engineering leaders that ranged from General Manager (GM) to Chief Technical Office (CTO).* Created and supported SIGs for 500+ engineers in cloud orgs, including"Staff+ ICs", "Learning from Incidents", and "Disaster Recovery".

* Technical leadership for 10-18 engineers in multiple teams for cloud-native game publishing systems. Software architecture changes improved publishing tools to save 2-5 days time for common submission and approval workflows (design, QA, legal).* Technical leadership for 4-6 SWE and 2-5 PM managers, 2-4 customer support directors, and 1-2 legal counsel, for improving Amazon Business customer success. Identified problem areas caused by external factors, such as retail business policies and global regulatory laws.

* Technical leadership for 2-3 senior engineer ICs, 2-3 engineering managers, and 1-2 engineering directors, for gameplay and customer reward features in EA products, defining product features and requirements for a cloud-native rules engine service.* Team lead for 3-5 engineers for bug resolution and performance optimization for a cloud-native microtransaction offering service. Enabled a successful launch of Apex Legends, hitting 6M CCU in the first week.* Innovation Challenge finalist-- Top 10 across 100+ hackathon teams-- for "gamification" of fitness, incorporating rewards in games such as FIFA. Inspired the Adidas FIFA collaboration, of the same nature.* Mentoring for 1 mid-level team member, 1-on-1, for reaching career goals. Successfully guided them to a senior level promotion, followed by a desired role transition.

* Designed and implemented online features and automation systems for Gears of War 4 and Gears 5.* Designed migration path for Halo and Gears games shared source from TFS to Git.

* Lead migration to Bing Maps for GIS and web mapping features in the MileIQ mileage tracking app on iOS and Android (Python, Postgres, MongoDB, Heroku). Created a feature flag system at the service and user-level granularities, to canary test and gradual roll-out. Integrated with Microsoft Azure Notification Services, improving open-source on GitHub with PRs, as well as converting Mapbox to Bing map components (JavaScript AJAX, CDN, Cloud). Monitored and supported transition efforts for customers to reduce customer experience engagements (Grafana, New Relic, ZenDesk). * Lead efforts to improve data processing quality, and app stability. Created real-time database load monitoring and alerting for Postgres connection pooling, machine health. Optimised table indices and stored procedures for higher query performance at lower system load, and fewer concurrent connections. Optimised services code to cache data more efficiently, and improve app response times. * Lead R&D for migration to Microsoft Azure from Heroku (AWS) hosted services, Postgres and MongoDB databases. Cloud agnostic systems changes using 3P Marketplace hosting, and data migration workflows.

* Technical lead for 5-7 engineers for a cloud-native microtransaction inventory and catalogue service. Customers included Minecraft, Fable, and Age of Empires franchises.

* Created the high-definition live event streaming app for Xbox 360, focusing on app reliability, child-safety features, and stream quality. Supported live music events such as Revolver Golden Gods Awards (2011), ft Alice Cooper, Motley Crue, Rob Zombie, etc. (C#, Silverlight, Xbox SDK, QA Certification).* Enhanced workflows for live publishing and UGC in Kinect titles, including localization (ratings, translations, etc), game telemetry, video processing, and law-enforcement engagements. (C#, MPEG2 transcoding, JavaScript, SQL Server, Excel Business Intelligence, Sharepoint, test automation, XML processing).

* Productionized analysis and debugging tools for online game systems for NFL Football, NCAA Football, PGA Golf. Designed and created Big Data processing systems for game telemetry, with data mining for network quality indicators and association with critical code-level stack traces for immediate investigation and triage. (C#, WPF, SSH, Windows and Linux systems administration).* Improved data analytics processing for PGA Golf on Facebook (free-to-play), enabling near-realtime game economy and health monitoring. Improved game team agility for live production changes, for increasing ARPU (Reliable MySQL ETL, prototyping with Pentaho, Tableau data exploration, PHP/JavaScript dashboards).* Improved game security in shared libraries for multiple EA Sports titles, on multiple console platforms (Xbox 360, Playstation 3), by fixing usage of secure hashing functions. Increased reliability of associating session telemetry with automated bug reports (crash or P2P desync) . (C++, HMAC SHA)

* Lead development of realtime message bus for a service-oriented architecture for managing casino slot machines, decoupling multiple critical systems while ensuring realtime performance (MSMQ, Protobuf, SQL Server, C#, Web Services/SOAP).* Created and patented software tools and technical workflows for configuration of on-site real-time network security (OCSP/SCEP) and incident monitoring, using Active Directory Certificate Services, BouncyCastle, with a team of 5 peer engineers. (C++.NET, C#).* Drove to completion direct bug disclosure and resolution with Microsoft's Windows Server 2000 team for SCEP Active Directory Certificate Services, across the hotfix / patch / cumulative update release cycle, and regression testing in Windows Server 2003.* Led open-standards (G2S) testing efforts for slot machine management systems, with global companies, such as Novomatik (Poland). * Designed and received regulatory approval for secure event processing and security event archival. Reviewed changes in regulatory laws for slot machines in different jurisdictions (such as Nevada and GLI) and provided technical advisory, with regards to real-time message processing, security event archival, and certificate-based network security.* On-site deployment support and testing (MGM Aria), PKI network security set up support, troubleshooting assistance for machine communications.

* Created full-stack ad micro-sites for for-profit education (Javascript, Perl).* Integrated address validation APIs (Perl, C#).* Maintained lead reporting database systems (MS SQL, Excel).