Royal Bank of Scotland Interview Experience | Set 2 (Software Designer)

Round 1 This was a written pen and paper round with 20 MCQ questions (related to Java as I applied for Java developer) and 4 coding questions out of which three needed to...

Round 1 This was a written pen and paper round with 20 MCQ questions (related to Java as I applied for Java developer) and 4 coding questions out of which three needed to be done on paper Coding Ques: Find the row with highest no. of 1 in a 2d sorted matrix having 0 and 1 as column values Reverse a linked list recursively Rwo roads and only one sided traffic at a time is allowed. Code for synchronization to avoid deadlock Counting semaphore problem in which a resource as N instances.Synchronizing access to resource .

MCQ questions related to Strings initialization ,Java 8 features ,JIT,mutex,Singleton pattern ,Streams etc Some times more than one is correct.

Round 2 This was a technical discussion of Round one Asked to explain the Programmes written . Role in previous company . Architecture and understanding of the projects done in previous company . Design patterns familiar with and used and asked about Singleton

Round 3 Was a Design round of one hour on pen and paper Both HIGH and LOW level design was asked . Design a system which could have N clients .Each client can be charged with M prices depending upon P number of services. System should have following characteristics N can always be increased or decreased M can always be increased or decreased like (hotel prices) so a variable pricing scheme need to be implemented Services can also increase or decrease System could Serve millions of customer at a time System should be scalable and fault tolerant. The requested should be served as fast as possible minimizing space.

Round 4 technical discussion of design Round Cache implementation . Hashmap implementation . Data structure implementation which could store only duplicates Implementing a service in which a task is done by 10 threads parallelly and we have to update task progress of each thread in overall progress like a file download manager