Chainlink Labs Solutions Engineer interview experience

After that, I did a HackerRank round that ran about 90 minutes. It was a mix of multiple-choice questions, a straightforward DSA-style problem, and a language-specific API check.

Next came an engineering manager conversation focused on cultural fit, followed by a hiring manager call that led into the next stage. After a paid take-home project, which ended up taking roughly 15+ hours, I presented the work. From there I moved into system design and a pair-coding session. Overall the rounds felt doable (mostly easy to average), but the whole thing still dragged on—about seven weeks in my