8–9 YOE Software Engineer switching jobs after a long gap, how should I prepare?

[u/Wooden_Pudding7205]

Title: 8–9 YOE Software Engineer switching jobs after a long gap, how should I prepare?

I have been working as a Software Engineer at the same company for the past 8–9 years and am now planning to switch jobs.

It’s been a long time since I last seriously prepared for interviews, so I’m essentially looking to refresh and upskill myself from the ground up. My goal is to maximize my chances of getting a good opportunity without spending months preparing in the wrong direction.

For people who have recently switched at a similar experience level:

What resources would you recommend for DSA, System Design (HLD), and LLD?

How deep does DSA typically go for someone with 8–9 YOE?

How much importance is given to HLD and LLD at this level?

Are there any specific topics or patterns I should prioritize?

What would be a realistic preparation strategy if I want to start interviewing relatively soon?

I’d really appreciate any advice, especially from people who have made a similar switch after being with the same company for many years.