• Factored out campaign recipient generation in sending pipeline to allow for independent scaling, multiprocessing, task impotency, and giving users the ability to generate up to 15,000,000 recipients at send-time for campaigns scheduled in the future.

• Created internal querying service abstraction to reduce downstream modifications and exceptions, allowing us to move out of the mono-repo while preserving availability.

• Used Amazon Database Migration Service to consolidate campaign channels (email, SMS, and push) to allow for multiple-channel Campaigns and reduce the number of database calls by a 67% from end-users looking to see overviews.

• Migrated a-sync task processing from RabbitMQ to a Pulsar-based internal tool, dogfooding it

• Used AWS CLI and Blue/Green deployments to partially automate engineering-wide MySQL 5.7 -> MySQL 8.0

• Assisted onboarding of new team members by helping develop new documentation to reduce tribal knowledge.

• Helped recruiting efforts at Cornell and led technical interviews for 100+ SWE candidates-

• Used Redis, React, TypeScript, and Django's ORM to create a banner displaying a cached value of how users compare in open rates and click rates to other users in their market category.

• Identified and mitigated bottlenecks and hardware limitations in the sending pipeline to allow us to prepare for Black Friday traffic, which typically was double the previous year's traffic.

• Split out fields on campaign model to reduce model bloat and helped direct transition of over 1,000 unit and integration tests that need to be transitioned from old deprecated model

• Worked with team product manager and large customers to define and create new public API endpoints to allow the retrieving email open and (link) click rates in a secure and RESTful way

• Redeveloped the email quarantine algorithm to reduce the number of private email addresses incorrectly not receiving emails by approximately 80%.

• Held weekly office hours, led discussion sections on material learned in class that week, and graded assignments and exams.