Udemy Fundamentals Of Backend Engineering Better !!link!! ★

| | This Course | |----------------------------------|------------------| | Build one monolithic API | Understand service boundaries & modular design | | Use one database (usually MongoDB) | Compare SQL vs NoSQL, indexing, transactions, and when to use each | | Deploy locally with npm start | Learn environment configs, secrets management, and 12-factor app principles | | Ignore errors | Build structured logging, error handling, and observability from day one | | No concurrency | Async, threading models, connection pooling, and race conditions | | One user at a time | Authentication, rate limiting, and request lifecycle at scale |

| Pitfall | Fix | |---------|-----| | Course uses MongoDB but jobs ask for SQL | Learn PostgreSQL basics alongside (2–3 hours). | | No testing taught | Add Jest or pytest for 1 route. | | No deployment section | Deploy to Render for free in 30 mins. | | No error handling | Add try/catch + global error handler. | udemy fundamentals of backend engineering better

Do not just finish the course. Finish the course, then spend two weeks building the "File Uploader" project. Deploy it. Break it. Fix it. Monitor it. | | No error handling | Add try/catch + global error handler