
During November 2024, Esin X. developed the foundational infrastructure for Penn Course Alert 2.0 in the pennlabs/penn-courses repository, focusing on scalable, real-time course status notifications. They implemented an email notification webhook using AWS Lambda, API Gateway, and SES, enabling event-driven delivery of updates to registered users. Esin established both backend scaffolding with TRPC and a PostgreSQL schema, and a frontend scaffold using Vite, React, and TypeScript, ensuring deployment readiness and rapid iteration. Their work emphasized serverless architecture for cost efficiency and reliability, laying a robust groundwork for future features while addressing the need for timely, automated user communication.

November 2024: Delivered foundational PCA 2.0 infrastructure and the Email Notification Webhook for Penn Course Alert, enabling scalable, real-time course status notifications to registered users. Focused on building a solid platform foundation to accelerate future feature work while adopting serverless patterns for cost efficiency and reliability. Key infra decisions include AWS Lambda, API Gateway, SES integration, and TRPC-based backend scaffolding, paired with a frontend scaffold (Vite, React, TypeScript) and DB schema ready for deployment.
November 2024: Delivered foundational PCA 2.0 infrastructure and the Email Notification Webhook for Penn Course Alert, enabling scalable, real-time course status notifications to registered users. Focused on building a solid platform foundation to accelerate future feature work while adopting serverless patterns for cost efficiency and reliability. Key infra decisions include AWS Lambda, API Gateway, SES integration, and TRPC-based backend scaffolding, paired with a frontend scaffold (Vite, React, TypeScript) and DB schema ready for deployment.
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