Jay Chan Email & Phone Number

Redmond, Washington, United States

 Responsible for post-merger technology integrations and rationalization of redundancies from the resulting consolidation of firms (e.g., proposed T-Mobile merger, purchase of Iuasacell and Nextel Mexico, acquisitions of DirecTV, TimeWarner, AppNexus)o Led a team of architects to assess business domain solutions for both parties during clean room legal proceedings prior to merger approval by the US Department of Justiceo Established roadmap and execution plan for the resulting consolidations of teams, applications, streamlining of processes, and decommissioning of redundant assets Led technology and process improvements by pivoting our organizations to modern platforms and methodologieso Migrated teams from conventional monolithic application development to decentralized microservice implementations (from J2EE to node.js and Spring Boot Java applications)o Instilled efficiencies by enacting changes from traditional waterfall development and requirements drafting to agile scrum, XP practices, and later scaled agile (SAFe) Ensured quality applications by educating and evangelizing test-driven development processes and frameworks (JUnit, Jasmine, Jest)o Instituted assurances by implementing the quality gates in our continuous integration build and deployment pipelines (git, Jenkins, Pact, Fortify, Docker, Kubernetes, Helm, Terraform) Migrated applications from on-premises hosting to containerized 3rd party cloud computing providers like Amazon Web Services and Microsoft Azure (EKS, AKS, Lambda, Azure Functions) Designed highly scalable and resilient node.js microservices that interoperated with Redis distributed caches and Kafka message queuing Oversaw production load testing of microservices and applications to perform admirably during newsworthy consumer event traffico Analyzed application stress test behavior data and recommended fixes to bottlenecks and inefficient code or configuration (SOASTA, Dynatrace, Splunk, JMeter, Selenium, LoadRunner)

San Francisco, California, United States

 Led a team who discovered and rectified bottlenecks in the scalability of a three-tiered website architecture. Primary focus was systems performance tuning in preparation for high website traffic. Coordinated load performance tests of our infrastructure with outside vendors. Collected and analyzed performance data that was gleaned from the load tests. Applied the analysis to the refinement of key architectural issues Responsible for the operations, uptime, and configurations management of the website’s application servers and databases. Developed tools for build, configuration, and deployment Managed relationships with third-party software vendors, consulting services, and co-location service providers

San Francisco, California, United States

 Developed tools in Perl and PL/SQL for the monitoring of the firm’s mission critical production batch processes. Created real-time web browsable statistics that are used by technical and business operations staff. Implemented an automated system of production monitoring paging Responsible for build management and deployment of data science models and operational uptime of model training processes Developed documentation, instruction materials, and processes for use by a technical operations monitoring team. Educated teams on overall troubleshooting and operational administration of model training batch processes

Palo Alto, California, United States

 Participated in the programming and evolution of an open-source bug tracking tool. The development team and I used this tool for quality assurance practices Developed the code for the Win32 installation of our media asset management application Orchestrated the firm’s seamless move to its new office space. Ensured the smooth operation of the firm’s network and desktop computers

New York, New York, United States

 Involved in the design and implementation of an intra-firm messaging infrastructure that is capable of routing email securely to various physical and virtual locations Administered Solaris servers with the purpose of firm-wide mail handling via sendmail Contributed to the engineering and architecture of the intra-firm electronic mail systems. Completed a 4000+ user rollout of Microsoft Exchange Started a migration of post-merger Smith Barney cc:Mail systems to Microsoft Exchange and Lotus Notes. Liaison responsible for the unison of the messaging teams from the two firms. Trained Smith Barney side support personnel on Salomon proprietary systems

New Brunswick, New Jersey, United States

 Member of a team devoted to migrating 200+ computers from Windows 3.11 to Windows NT 4.0 for use by 40,000 students, faculty, and staff Administrated Novell networks and student accounts on applications servers Managed the scheduling of consultants' work hours, training and policy, completion of vouchers for consultants' compensation, coordination with different divisions of staff, and overall operation of the computing facility