Meta Backend Developer Mock Interview

Can you walk me through a challenging project you worked on that involved optimizing backend performance to handle large volumes of data, similar to the scale Meta operates at?

How do you stay updated on the latest developments in backend technologies and tools, and how would you apply this knowledge to improve the efficiency of Meta's backend systems?

Describe a situation where you had to troubleshoot and resolve a critical backend issue under tight deadlines. How did you prioritize tasks and communicate with team members to ensure a swift resolution?

In what ways do you ensure the security and scalability of backend systems you develop? Can you provide an example of how you implemented security measures in a previous project that aligns with Meta's security standards?

How would you approach integrating a new feature into an existing backend infrastructure at Meta while maintaining backward compatibility and ensuring seamless operation across multiple platforms and devices?