I applied online. The process took 1 day. I interviewed at ING (Istanbul) in Nov 2019
Interview
I met the HR and technical team. The HR was really amateur that was not expected from a company like ING. She failed at following up the process and her e-mailing skills were the worst I have ever seen. She expected to have a Java project in a word document instead of a Github commit.
Interview questions [1]
Question 1
Some Java and DB related questions, previous projects etc.
I applied online. The process took 1 week. I interviewed at ING
Interview
I applied to the job from the company's website and they called me back. The overall process was super, very fast. Interview was good and I got hired after that.
I applied online. The process took 3 weeks. I interviewed at ING (Amsterdam) in May 2017
Interview
Interview consisted of 4 steps:
1) Online technical interview with 2 software engineers
2) Online personal interview with hiring manager
3) Face-to-face technical interview with 2 software engineers
4) Face-to-face technical interview with hiring manager
They don't ask hard algorithms, but expect you to have broad computer science knowledge.
Expect to be asked about:
Cryptography (symmetric and asymmetric algorithms, prime numbers)
Networking
Data structures (how HashMap is implemented)
Java Generics (extends, super, wildcard)
Databases (how indexes work)
Interview questions [4]
Question 1
Implement FizzBuzz
Would it work with any two numbers? Why 3 and 5 are special?