Performance at Scale - With Danilo Velasquez

In this kickoff episode of Señors @ Scale, host Neciu Dan sits down with Danilo Velasquez — Staff Engineer at Adevinta and longtime frontend performance obsessive. They unpack the real battles behind Web Vitals, micro frontends, and the growing complexity of modern frontend work.

Danilo shares war stories like:

• Supporting Internet Explorer 6 in production (yes, really)

• Building a homegrown Lighthouse bot to track 100+ pages every 15 minutes

• How Core Web Vitals became the trigger for SEO incidents

• Why platform work is often the highest-leverage role

• When React “won the war” (and why he still prefers Vue)

• How a setTimeout(0) hack saved his team’s performance

It’s a candid, technical, and surprisingly human look at engineering at scale — packed with lessons for frontend leads, staff engineers, and anyone optimizing in the wild.

🎧 Whether you're wrestling with architecture decisions, debugging layout shifts, or mentoring your next hire — this one's for you.