Get in the habit of bringing up accessibility at meetings, in stand-ups, and in demos. Bring up things you've done to address accessibility. Likewise, don't be afraid to ask, "Have we tested this on a keyboard?" or "What's the experience like on a screen reader?"
LBT this is important on an embarrassingly basic level! You have no idea how many times I've seen people who haven't even thought about it, but who are willing to try once it is brought up.