Interview questions asked at Mastercard

Handled a difficult situation and solution

Handling new requirements mid-project

What is the purpose of a database index?

What is middleware in web development?

Describe the purpose and use of environment variables in app development.

What is HTTPS and why is it important?

How do you stay updated with industry trends and developments

What is a session in web development?

Time you exceeded expectations to make a significant impact

Getting team on board with a manager's decision and steps taken

How would you design a system for real-time analytics on a high-traffic e-commerce website?

What are the benefits and drawbacks of using event-driven architecture in backend systems?

How would you ensure scalability and reliability of a microservices app during peak traffic?

Tell me a time you adapted to change

Describe when you implemented caching to boost app performance and considerations.