Solactive Senior Software Engineer interview questions

4 rounds. 1) a screening, where I had a chat with someone and was later asked to solve a leetcode easy question. 2) 3) A take-home Java project where stock prices (ticks) were coming from a message queue, were processed to generate statistics and those statistics were made available over a restful interface. 3) A chat with team members, discussing Java specifics and overall system architecture. 4) A chat with two hiring managers discussing past experience and architecture design decisions.

They are a fintech company, so they pay strict attention to performance. Understanding data structures, JVM garbage collection, etc.