Earlier quoted context omitted.
Team lead manages the overall direction of the team (and is possibly the expert on some portions), but for an individual subsystem a senior engineer might be the expert. For work coming from outside the team, it’s sort of upto your management chain and team lead to prioritise. But for internally driven work (tech debt reduction, reliability/efficiency improvements etc) often the senior engineer has a better idea of t…
I agree, but I think that input is limited to unopinionated information about the technical impact or user-facing impact of each task. I don't think it can be said that senior engineers persuade their leaders to take one position or the other, because you can't really argue against a political or financial decision using technical or altruistic arguments, especially when you have no access to the political or financi…
I would imagine mature organisations without serious short/medium term existential risk due to product features may build some push back mechanisms to defend against the inherent cost of maintaining existing business (ie prioritising tech debt to avoid outages etc).
In general, it is a probably a mix of the two - even if there is a mandate from up high, things are typically arranged so that it can only occupy X% of a team’s capacity in normal operation etc, with at least some amount “protected” for things the team thinks are important. Of course, this is not the case everywhere and a specific demand might require “all hands on deck”, but to me that seems like a short-sighted decision without an extremely good reason.