There were 3 technical rounds followed by 1 HR round.
The first two technical rounds mainly focused on Java and SQL, with a major emphasis on Multithreading concepts.
The final round, called the Tech ED round, was conducted by the Executive Director. This round primarily focused on design skills, where candidates could be asked to design APIs based on a given problem statement.
Application
I interviewed at Wissen Infotech
Interview
Core Java forms the foundation of Java programming, covering essential concepts such as object-oriented programming (OOP), data types, control structures, exception handling, collections framework, multithreading, generics, and I/O operations. Mastery of Core Java is critical for any developer, as it underpins all advanced topics and is indispensable for interviews and real-world applications
I applied through university. The process took 1 day. I interviewed at Wissen Infotech (Campus) in Oct 2025
Interview
Difficult,Indepth knowledge required.questions were medium to hard.total 6 rounds including 2 OA,2 technical interview rounds,1 directorial round ,1 HR round.All the rounds were in person at the campus . All of that happened in 1 day.
Interview questions [1]
Question 1
Hash map questions asked.
Along with linked list and array coding problem s.
OOP concepts also