Joshua C. Qin

• Serve as primary SME for Application Insights Control Plane, and sole developer of Azure Monitor Private Link Scopes.
  • Fully designed, implemented, and monitored from start to finish the migration of hundreds of thousands of classic Application Insights resources, shifting 130+ TB of daily ingestion to a new pipeline without a single major incident.
  • Improved performance and raised capacity of AMPLS by 10x, directly poaching a major Strategic 500 customer from Splunk.
  • Coordinated multiple teams to implement the control plane for Open Telemetry Protocol support in Azure Monitor.
  • Designed the API and added support for private links networking with Azure Monitor Platform Metrics via AMPLS.
• Fixed performance and bad-traffic handling for Live Metrics, eliminating recurring middle-of-the-night on-call pages.

• Worked on Live Metrics in Application Insights, a service that streams real-time logs, telemetry, and compute metrics.
  • Designed a solution to gracefully handle spikes in traffic for a service that handled 1.5 million requests per second.
  • Wrote highly concurrent and thread-safe C#/.NET code with full test coverage and end-to-end integration validation.
  • Reduced technical debt and improved testability by refactoring unit tests to cut thousands of lines of redundant code.

• Worked on Rosette, a multilingual natural language processing SDK for matching names across languages and scripts.
  • Aided the development of Chinese address matching in Rosette for Names, developed in Java and Spring Boot, particularly with address tokenization and the transliteration of ethnic-minority language location names.
  • Improved name matching scores powered by an HMM NLP model with statistical methods and manual stop words.

• Led a small team of three developers to create an analytics, accounting, and submissions dashboard used to manage royalty payments of $30,000 USD per month and music catalogs with over 300 million cumulative streams.
  • Used C# with ASP.NET to build the backend for the dashboard, including authentication and royalty accounting.
  • Architected a SQL Server database to store user, product, and payment data, queried with the Entity Framework ORM.
• Contributed to winning an RIAA Gold Plaque for the song “Losing Interest”, awarded for achieving 75 million US streams.

• Wrote an HTML Application (HTA) with a VBScript backend to automate the searching and downloading of City Council meeting documents, reducing a task that took four hours every week to just twenty seconds.
• Used VBA scripting to automate record-keeping on Excel spreadsheets pertaining to budgets and historical records.
• Handled front-desk and phone support, managed paperwork for candidates running for local office.

Khoury College of Computer Sciences, Honors Program
Bachelor of Science in Computer Science & Business, Minor in Electrical Engineering