People always show their best side on social media sites, especially LinkedIn. Trying to measure up to an image that someone has crafted of themselves to get a job is somewhat like believing that the pictures people post on Instagram match their daily reality. You are walking into a well-known trap.

Trust me - as someone who listens to coding candidates on occasion, the majority do not just come in and whip out answers in a couple minutes. Those people are rare. And we sometimes like the slower candidates better because we get to see how they think instead of seeing just a quick answer.