I applied through a recruiter. The process took 3 weeks. I interviewed at KAYAK (Istanbul) in May 2022
Interview
HR interview, approximately 30 minutes
Test task, average, done within 2-4 hours, depending on how good you would do
Tech interview with the team, approximately 2 hours
Tech interview with team lead, approximately 1 hour
Interview questions [1]
Question 1
Test task: a simple coding task (done in 10 minutes), a task with some classes architecture and basic concurrency
base java & OOP questions,
2 rather simple coding tasks, questions about some technical whatifs (caches, webhooks, callbacks etc.)