Deloitte Interview Experience for Java Developer

Application Shortlisting

Process: Deloitte’s recruitment team reviews submitted applications to shortlist candidates based on academic performance, resume, and extracurricular activities.

Purpose: To identify candidates with potential and align with Deloitte’s hiring criteria.

Coding Assessment with Aptitude (Medium to Hard Difficulty)

Process: Shortlisted candidates undergo an online coding assessment comprising Java programming questions and aptitude tests.

Purpose: To evaluate candidates’ coding skills, problem-solving abilities, and aptitude for the role.

Sample Questions:

• Implement a program to find the factorial of a number using recursion.
• Write code to reverse a linked list.
• Solve a mathematical or logical aptitude question involving patterns or series.
• Design an algorithm to solve a problem related to data structures, such as sorting or searching.

Technical Interview (First Round – Medium Difficulty)

Process: Candidates who clear the coding assessment proceed to a technical interview with a Deloitte engineer.

Purpose: To assess candidates’ technical knowledge and problem-solving skills.

Sample Questions:

• Explain the concept of object-oriented programming and its benefits.
• Discuss your experience with Java collections framework and its usage in real-world scenarios.
• Solve a problem involving string manipulation or pattern matching.
• Describe the difference between interface and abstract class in Java and when to use each.

Technical Interview (Second Round – Medium Difficulty)

Process: Candidates who pass the first technical interview undergo a second technical interview with another Deloitte engineer.

Purpose: To further evaluate candidates’ technical capabilities and assess their understanding of data structures and algorithms.

Sample Questions:

• Implement a binary search algorithm in Java and discuss its time complexity.
• Explain the concept of dynamic programming and provide an example problem.
• Solve a problem involving tree traversal or manipulation, such as finding the lowest common ancestor.
• Discuss your approach to optimizing code for performance and memory usage.