04 · AWS / BACKEND / CONTENT DELIVERY
Ed-Tech Backend & Content Delivery
APIs and CloudFront/S3 delivery for 1K+ learners — less buffering, faster pages.
AWSCloudFrontS3REST APIs
- 1K+
- users
- −60%
- video buffering
- −40%
- load times
01 Context
An ed-tech platform delivering video content to over a thousand users.
02 Engineering challenge
Video buffering and slow loads were hurting the learning experience.
03 My responsibilities
- Backend APIs
- Content delivery on AWS
04 Architecture overview
Backend APIs with content served from S3 through AWS CloudFront.
05 Key technical decisions
- →Serve media through a CDN edge rather than the origin.
- →Keep the API layer focused on content metadata.
06 Measurable outcomes
- 1K+ users
- −60% video buffering
- −40% load times
07 What I learned
Sometimes the best performance work is moving bytes closer to people.
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