--- title: "Osemen Esezobor (@osemen) | Hashnode" description: "Backend Engineer. Read the latest articles by Osemen Esezobor on Hashnode." url: "https://hashnode.com/@osemen" --- @osemen # Osemen Esezobor @osemen · Joined September 2025 Backend Engineer ### [Uploading Large Files Without Crashing Your Server: A Complete Guide to AWS S3 Multipart Uploads](https://backendchronicles.hashnode.dev/uploading-large-files-without-crashing-your-server?utm_source=hashnode&utm_medium=feed) How to build a scalable, resumable, and reliable file upload system by streaming file chunks directly from the browser to Amazon S3. 5 min read · [backendchronicles.hashnode.dev](https://backendchronicles.hashnode.dev/uploading-large-files-without-crashing-your-server?utm_source=hashnode&utm_medium=feed) [Sep 2](https://hashnode.com/posts/uploading-large-files-without-crashing-your-server/6a97b2e5bce154a353834f0b) ### [My Simple Guide to Database Relationships (From Confused to Clear 😅)](https://backendchronicles.hashnode.dev/database-relationships?utm_source=hashnode&utm_medium=feed) Learn database relationships the simple way. One-to-One, One-to-Many & Many-to-Many explained with Django models and clear table examples 3 min read · [backendchronicles.hashnode.dev](https://backendchronicles.hashnode.dev/database-relationships?utm_source=hashnode&utm_medium=feed) [Sep 18, 2025](https://hashnode.com/posts/database-relationships/68cb8d0d4970a44b856c93ce) ### [My Backend Engineering Diary Begins Here](https://backendchronicles.hashnode.dev/backend-engineering-chronicles-intro?utm_source=hashnode&utm_medium=feed) An open diary of my backend journey, simplified Django insights, backend engineering principles, and real lessons from coding mistakes. 2 min read · [backendchronicles.hashnode.dev](https://backendchronicles.hashnode.dev/backend-engineering-chronicles-intro?utm_source=hashnode&utm_medium=feed) [2](https://hashnode.com/posts/backend-engineering-chronicles-intro/68c8abd0cbad2607f57dafc9) [Sep 16, 2025](https://hashnode.com/posts/backend-engineering-chronicles-intro/68c8abd0cbad2607f57dafc9)