Interview Preparation for Service-Based Companies

Hiring Process

The hiring process in service-based companies typically involves fewer stages than in product-based companies, and these stages are designed to assess all aspects of the candidate's skills. While the specific details can vary between companies, here is a general outline of the common stages:

• Group Discussion: The first round is a Group Discussion on topics like Remote Work, the Emergence of the Cloud, and Innovation vs Stability. Some key areas of focus for a GD are,
  • Active Participation
     
  • Listening Skills
     
  • Clarity and Conciseness
     
  • Body Language
     
  • Knowledge Preparation
     
• Aptitude and English: Candidates that complete the GD satisfactorily then move forward to the first individualistic round focusing on Apt&Eng. General areas of focus for this round include,
  • Time Management
     
  • English Proficiency
     
  • Problem-solving Skills
     
• Technical Interview: The penultimate round in a conventional hiring process is the technical interview, which goes over a wide range of topics and can be navigated by focusing on,
  • Preparing CS Fundamentals
     
  • Practising Problem-solving
     
  • Preparing for Project Discussions
     
• HR Interview: The final round is the HR interview, ways to ace this round are,
  • Know Your Resume
     
  • Be ready for Behavioural Questions
     
  • Do effective Company Research
     
  • Know your Career Goals

Following all the rounds, given that the candidate performs satisfactorily, the company moves forward with reference checks and extends a job offer.

Helpful Tips

Some general good tips to keep in mind to start or level up your career in software development are,

• Develop Strong Technical Skills
   
• Customise Your Resume and Cover Letter
   
• Prepare for Interviews

Commonly Asked Questions in Technical Round (DSA)

Here is a list of questions frequently asked by various service-based companies. Practice these to boost your chances of selection!

Array (8)

• Two Sum (Easy)
   
• Reverse The Array (Easy)
   
• Find Duplicate in Array (Easy)
   
• Max Subarray Sum (Moderate)
   
• Sum of Infinite Array (Moderate)
   
• Count Smaller of Equal Ele (Moderate)
   
• Split Array Largest Sum (Hard)
   
• Count Seq with Product X (Hard)
   

Greedy (7)

• Sort 0 1 2 (Easy)
   
• Cube Sum Pairs (Easy)
   
• Reverse Linked List (Moderate)
   
• String Pair (Moderate)
   
• K Largest Number (Moderate)
   
• Animals and Monsters (Hard)
   
• Min Characters for Palindrome String (Hard)
   

Binary Search (9)

• Next Greater Element (Easy)
   
• Search in Infinite Sorted 0-1 Array (Easy)
   
• Flip Duplicate in Array (Easy)
   
• Covid Vaccination (Moderate)
   
• Largest Square (Moderate)
   
• Traffic Lights (Moderate)
   
• Defend the Village (Moderate)
   
• Glowing Bulbs (Hard)
   
• Batteries (Hard)
   

Tree/Graph (11)

• Number of Islands (Easy)
   
• Symmetric Tree (Easy)
   
• Guess Price (Easy)
   
• Top View of a Binary Tree (Moderate)
   
• LCA of a Binary Tree (Moderate)
   
• Averages of Levels in Binary Tree (Moderate)
   
• Social Networking Graph (Moderate)
   
• Ninja Attack (Moderate)
   
• Ninjas Robot (Hard)
   
• Boundary Traversal of Binary Tree (Hard)
   
• Path Visiting All Nodes (Hard)
   

DP & Recursion (12)

• Two Sum (Easy)
   
• Nth Fibonacci Number (Easy)
   
• Frog Jump (Easy)
   
• Longest Common Subsequence (Moderate)
   
• Palindromic Substrings (Moderate)
   
• Maximise the Sum (Moderate)
   
• String Sort (Moderate)
   
• Count Ways to Make Array with Product (Moderate)
   
• Min ASCII Delete Sum for 2 strings (Moderate)
   
• Array Partition (Hard)
   
• Sudoku Solver (Hard)
   
• Maximum Score (Hard)

For access to more frequently asked questions sorted conveniently based on companies, difficulty, and frequencies, visit CodeStudio.