What Big Tech Engineering Is Actually Like, According to a Developer Insider

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A software engineer who has worked at a large technology company shares candid observations about how the experience differs from what students and new graduates typically expect. Unlike academic projects that start from scratch, big tech roles involve joining massive, pre-built systems where architectural decisions were made years earlier by large teams. Engineers must also learn entirely internal tooling — custom build systems, deployment pipelines, and monitoring frameworks — that replaces the open-source stack most developers trained on. At scale, no single person can hold an entire system in their head, making collaboration and the ability to find the right people a core daily skill rather than a secondary one. The author frames these surprises not as drawbacks but as distinct professional muscles worth developing early in a tech career.

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