Status: Software Engineer at British Telecom
Position: Senior Software Engineer at AppDynamics
Location: Bangalore, India

Round-1-> Hackerrank coding challenge with 8 MCQ and 2 coding questions
Here is the link-
https://goo.gl/bh4Sdr
https://goo.gl/QG5422
Round-2->F2F around 1hour
Q1.Tell me about yourself?
Q2.Hashmap internal working?
Q3.What is immutable class and how you will make your class immutable?
Q4.find number of islands in 2-D array
ex-input 2D matrix
{1,1,0,0,0}
{0,1,0,0,1}
{1,0,0,1,1}
{0,0,0,0,0}
{1,0,1,0,1}
output--> 5

Round-3-> F2F around 1 hour
Q1.Tell me about yourself?
Q2.There are lot of meeting which has been schedule for today and schedule of meetings has been provide based on that you need to arrange minimum rooms so that nobody has to wait for meeting room as cost of meeting room is also high, so arrange less meeting room for all the meetings.
input--> (startTime,endTime)
(1,4),(2,8),(3,6)
output- 3
input--> (1,5),(2,6),(6,8),(7,9)
output-> 2
Solution link-->https://goo.gl/ieW961

Round-4-> F2F 1 hour
Q1.Tell me about yourself?
Q2.There is a file containing plain text, you need to tell whether all the unique words in whole file is present in single line or not?
Ex-
input->
a
a b
b c d
a b c d
output->yes
input->
a
a b
b c d
a b c d
e
output->no
Note: treat character as words for ease
Solution link-->https://goo.gl/2E8iVN

Q2. WAP to check whether sum of two integers is equal to given sum in an array
input -{2,3,5,4,8,9} sum= 13
output- yes(5+8==13) // can be done using hashmap

Note: They will ask you to write the working code on laptop and run the testCases.
All solutions are coded at the time of interview, so there may be some corner cases which i have missed out. :)