Career Advice About LiveRamp

The applications our current team develop are targeted for individual users only and most of our projects are centered around building complex business logic rather than scale. So there is less scope to gain experience on concepts such as parallel processing, concurrency, caching or similar. What are my options to become really good at these skills if I am not working on these on a day-to-day basis?

I've been a senior engineer for a while, so I would like to start making real progress towards that level. I see a lot of other engineers in the company making it to Staff or an equivalent level, and I'm wondering what I can do to make that same level up.