The process was pretty quick. The recruiter responded almost immediately to any emails.

They have a standard format. The first round is purely technical. They ask you to write a piece of code, and then they ask you to write test cases to test your own code. Every interviewer did the same thing.

Though it was the wildfire team, the questions were purely meant for a QA-ops engineer. No questions on actual threat analysis, which was surprising.

Programming:

• Write the logic to sort a list without using any built-in methods.
• If a string "aaabbccccddaaeeeee" is given to a function, print "a3b2c4a2e5".
• Have you implemented RabbitMQ before?
• Write a class to implement a stack.
• Given a very large file, return the word whose frequency of occurrence is the highest.
• Given a list and an integer, return True if the sum of any two elements of that list matches the integer.

DB:

• What's the most efficient way to search for an md5sum?
• What performance measures will you take if you create a database?
• Hex search in mysql.

Networking:

• From L1-L7, including the coloring of RJ45 cables.
• Subnetting.
• Most used ports in everyday traffic.
• SSL Handshake.
• Difference between HTTP PUT and POST.

Application Layer:

• In-depth questions on SMTP and HTTP.
• SMTP chunking.
• Non-ASCII characters inside emails.
• SMTP/IMAP/POP3 deployment.