There are many qualities, which have also been listed by others but I found to be extremely common is this: Be very organized / systematic.. - in their though

There are many qualities, which have also been listed by others but I found to be extremely common is this: Be very organized / systematic.. - in their thoughts and how they articulate their points during discussions - in building their personal knowledge base - in how they approach problems, be it during solving a customer problem (adding a new feature) or debugging code