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The freshers hiring season has already begun, and many of the service-based companies are targeting a massive recruitment by 2026. TCS, Infosys, Capgemini, Wipro and Cognizant are the companies that recruits thousands of freshers every year.
Recent announcements have illustrated how large the hiring demand appears likely to be. TCS aims to hire about 42,000 freshers, Infosys plans to absorb 20,000 graduates and Capgemini has also announced recruitment for thousands of specialized office goers.
Due to this bulk hiring requirement, securing a job in service-based company can be a great kick start for your career. These firms offer solid training programs, awesome learning environments, consistent career trajectories and reasonable work-life balances.
This guide addresses:
- What service-based companies are
- What is the hiring process of TCS and Infosys.
- Important aptitude and coding topics
- Eligibility criteria
- Best preparation resources
- A foolproof guide to hack these Companies
What Are Service Based Companies?
There are generally two types of companies in the tech industry:
Product Based Companies
Product based companies write and maintain their own software products, and make money by selling or maintaining them.
These are companies that build platforms, tools or software services to be used by millions.
Service Based Companies
Instead of making and selling their own products, a service based company sells technological services to its customers.
For instance, a company may require:
- A website development team
- Cloud infrastructure management
- Database management
- Software maintenanc
The company prefers to hire a service-based IT company rather than hiring an in-house team for the above-mentioned tasks.
Here are examples of service-based companies:
- TCS
- Infosys
- Wipro
- Cognizant
- Capgemini
- Accenture
They have a global clientele and provide IT solutions, consulting services, and digital transformation projects.
Service Based Companies Hiring Process
Service-based companies generally follow a three-step hiring process.
1. Online Assessment
The initial phase is an online test, and this is where a perusal of candidates gets terminated. The test typically contains two parts:
Aptitude Test
The aptitude section tests your logical thinking, reasoning ability and communication skills.
The test generally has three sections:
Quantitative Aptitude
- Number system
- Time and distance
- Ratio and proportion
- Mixtures and algebra
- Probability and statistics
Verbal Ability
- Sentence completion
- Reading comprehension
- Idioms and phrases
- Gramma
Verbal Ability
- Number series
- Coding and decoding
- Blood relations
- Directions
- Seating arrangement puzzle
The length of the aptitude test is typically between 60 and 90 minutes.
Coding Round
The coding questions will have to be solved by the candidates after the aptitude section.
Now the majority of companies only ask 2 to 3 simple/medium level coding problems.
Questions are typically based on:
- Arrays
- Strings
- Hash maps
- Linked lists
- Searching and sorting
- Binary search
- Basic recursion
Usually these coding questions are given 60 to 90 minutes to solve.
Technical Interview Round
Candidates who pass the online test will transition into the technical interview round.
This interview assesses you on your technical skills and problem-solving capabilities.
Questions Typically Asked By Interviewers:
- Operating Systems
- DBMS (Database Management Systems)
- Computer Networks
- Data Structures
- Your academic project
The interviewer might also ask a simple coding or logical questions.
These interviews typically run 45 to 60 minutes.
This performance in technical interview influences on the salary package you get offered. Candidates who possess stronger fundamentals and are able to provide convincing technical answers can be offered higher salaries.
HR Interview Round
This is the last stage, HR interview.
The recruiter is assessing your personality, communication skills and behavior in this round.
Common HR interview questions include:
- Tell me about yourself
- Why should we hire you?
- What are your strengths? What are your weaknesses?
- Tell me about something that was difficult for you and how you handled it
- What is your approach to managing conflict in a team
A handy trick to remember for behavioral questions is the STAR method:
- Situation – Explain the situation
- Task – What was your task
- Action – Explain what you did
- Result – Report What Happene
Of course this helps you to deliver structured and clear answers.
Eligibility Criteria
Most service-based businesses are going to have similar requirements.
Typical criteria include:
- You should be a graduate of B.Tech, B.E., or B.Sc
- Minimum 60% Marks or Equivalent CGPA
- No active backlogs
- Full-time degree program
But eligibility rules differ slightly by company and job role.
Important Topics for Online Assessments
Most frequently asked topics to prepare service-based company placements.
Aptitude Topics
Important quantitative topics include:
- Number systems
- Time and work
- Time and distance
- Ratio and proportion
- Algebra
- Probabilit
Important verbal topics include:
- Grammar
- Sentence completion
- Reading comprehension
- Vocabulary
Important reasoning topics include:
- Coding and decoding
- Number series
- Blood relations
- Seating arrangements
- Direction problem
Important Coding Topics
Usually asking coding questions is not really tough in service-based companies.
These are the topics you should be looking at:
- Arrays
- Strings
- Linked lists
- Hash maps
- Stacks
- Queues
- Matrice
Most coding questions asked in these interviews can be solved using regular practice on these topics.
Best Resources for Preparation
Here are some helpful platforms to do your preparation well.
Aptitude Topics
Aptitude questions can be attempted online (there are several websites which provide past placement papers and practice tests).
Aptitude concepts and shortcut techniques can also be found in YouTube channels with a detailed explanation.
Coding Preparation
Practice Problems on Coding Platforms that you can do to solve Algorithm problems and contest for preparation.
Before attempting these harder problems, focus on the easy and medium level ones.
Computer Science Fundamentals
Some topics to study for technical interview prep:
- Operating systems
- DBMS
- Computer network
You can find in-depth understanding and interview questions for these topics on educational websites/tutorials.
Where to Find Job Opportunities
Service-based companies hire through programs.
Examples include:
- TCS NQT program
- Infosys InfyTQ or HackWithInfy
- Cognizant GenC hiring program
- Wipro Elite hiring progra
These types of opportunities are available on job platforms as well as professional networking websites.
You can create a profile and follow recruiters to keep stock of upcoming hiring drives.
Strategy Guide to crack Service Based Companies
You can map the above over a basic four-phase roadmap to get ready.
Phase 1: Aptitude Preparation
Form a daily routine of solving practice aptitude questions for 1 to 2 hours.
Focus on:
- Quantitative aptitude
- Logical reasoning
- Verbal abilit
Write a mock test every weekend to build on speed and precision.
Phase 1: Aptitude Preparation
Study the core data structures and algorithms.
Daily practice 5 to 10 coding problems, Codeforces & Leetcode contests will improve problem-solving skills.
Phase 3: Computer Science Fundamentals
Study theoretical subjects like:
- Operating systems
- DBMS
- Computer network
These concepts are very important when it comes to technical interviews.
Phase 4: Mock Interviews
Take mock interviews from friends or seniors.
Mock interviews help you improve:
- Communication skills
- Confidence
- Interview answering techniques
They additionally allow you to recognize the extent of your proficiency.
Cracking Service Based Company Placements
Here are two easy yet effective tips:
Join Preparation Communities
Students widely talk about experiences in interviews, preparation materials, or crucial questions to answer with various online communities and groups.
Accordingly, joining these groups will give you good insights regarding the new hiring processes.
Practice Consistently
The most important thing is consistency.
Daily practice students crack interviews with more consistency than those who practice intermittently.
Even 2 to 3 hours dedicated studying every day changes everything.
Final Thoughts
In the coming years, service-based companies will continue to recruit thousands of new graduates. These companies are a great way to break into your career in tech.
By prioritizing aptitude, coding practice, CS fundamentals and mock interviews, you will be leaps and bounds closer to landing a job.
So, remain thorough in your readiness and work on clarifying your essentials, which could be an earlier performance. It is possible to get through companies like TCS, Infosys, Wipro and Accenture if you have a smart preparation strategy with consistent efforts.
What you do today can ensure a successful career in tech tomorrow.

