Interview guides · Wipro
Wipro Software Engineer Interview Guide
Wipro Software Engineer interview guide: reported rounds, questions and how candidates describe the process.
The 60-second brief
A Software Engineer at Wipro plays a pivotal role in driving digital transformation, cloud migration, and enterprise application development for a diverse global clientele. Operating within one of the world's leading information technology, consulting, and business process services companies, engineers here are responsible for designing, building, and maintaining robust, scalable software solutions. You will work across various domain spaces—such as financial services, healthcare, retail, and telecommunications—helping clients modernize their legacy systems and adopt cutting-edge cloud architectures. The impact of this position is substantial, as your code will directly power enterprise-level platforms that handle millions of daily transactions and critical business operations.
This guide is scoped to a Software Engineer candidate at Wipro.
Focus areas
- Java
- Spring Boot
- System Design
The Wipro interview process
Wipro candidates report 6 rounds over 4-6 weeks. The stages below are what candidates describe, not a published process.
Online Test
Evaluation of quantitative aptitude, logical reasoning, verbal ability, and basic coding for freshers.
What to demonstrate
- Evaluation of quantitative aptitude, logical reasoning, verbal ability, and basic coding for freshers
- Depth in Java
How to prepare
- Answer aloud and timed: Explain the internal working of a HashMap and HashSet in Java.
- Answer aloud and timed: What is the difference between the
==operator and the.equalsmethod?
Communication Assessment
Dedicated round to evaluate spoken English, pronunciation, and active listening using AI tools.
What to demonstrate
- Dedicated round to evaluate spoken English, pronunciation, and active listening using AI tools
- Depth in Java
How to prepare
- Answer aloud and timed: Can a constructor be made private? If so, what are the practical use cases?
- Answer aloud and timed: Explain the difference between String, StringBuffer, and StringBuilder.
Recruiter Screen
Initial screening for lateral hires to assess background and role fit.
What to demonstrate
- Initial screening for lateral hires to assess background and role fit
- Depth in Java
How to prepare
- Be able to walk your CV end to end in two minutes, and say why this company specifically.
- Have your salary expectations, notice period and location constraints ready, and ask for the rest of the loop in writing.
Technical Screening
AI-assisted technical screening or direct technical interview for lateral hires.
What to demonstrate
- AI-assisted technical screening or direct technical interview for lateral hires
- Depth in Java
How to prepare
- Answer aloud and timed: Write a program to check if a given string is an Anagram of another string.
- Answer aloud and timed: Implement a function to find the longest common prefix among an array of strings.
Core Technical Evaluation
In-depth technical rounds conducted by senior technical leads focusing on domain expertise and projects.
What to demonstrate
- In-depth technical rounds conducted by senior technical leads focusing on domain expertise and projects
- Depth in Java
How to prepare
- Answer aloud and timed: Write a code snippet to reverse a string and check if it is a Palindrome.
- Answer aloud and timed: How do you swap two variables without using a third variable?
Managerial and HR Discussions
Final discussions focusing on project management experience, methodologies, and compensation negotiation.
What to demonstrate
- Final discussions focusing on project management experience, methodologies, and compensation negotiation
- Depth in Java
How to prepare
- Answer aloud and timed: Write a program to find the second largest element in an unsorted array.
- Answer aloud and timed: Write an SQL query to find the second maximum salary of an employee from an employee table.
Where candidates lose points
Master Your Resume Details
Wipro's technical panel will thoroughly review your resume. Be ready to explain the architecture, tech stack, database schema, and your specific contribution to every academic or professional project you have listed.
Focus on the "Why" Behind Your Code
When asked to write a program, do not just write the syntax. Explain your thought process aloud, discuss why you chose a specific data structure (e.g., using a HashSet for $O(1)$ lookups), and proactively mention the time and space complexity.
Highlight Your Adaptability
During behavioral and HR rounds, emphasize your willingness to learn new technologies, work in rotational shifts, and relocate if necessary. Wipro highly values versatile engineers who can easily transition between different client projects.
Questions & practice
Write a program to check if a given string is an Anagram of another string.
Medium · Data Structures & Algorithms
Approach
- Restate the input: its shape, its size, and what is guaranteed about it.
- Name the brute-force solution and its complexity before improving on it.
- Choose the data structure from the access pattern, not from familiarity.
- State the target complexity and say which constraint rules the naive version out.
Follow-up
- How does this change if the input no longer fits in memory?
- What is the worst case, and how likely is it on real data?
Implement a function to find the longest common prefix among an array of strings.
Medium · Data Structures & Algorithms
Approach
- Restate the input: its shape, its size, and what is guaranteed about it.
- Name the brute-force solution and its complexity before improving on it.
- Choose the data structure from the access pattern, not from familiarity.
- State the target complexity and say which constraint rules the naive version out.
Follow-up
- How does this change if the input no longer fits in memory?
- What is the worst case, and how likely is it on real data?
Write a code snippet to reverse a string and check if it is a Palindrome.
Medium · Data Structures & Algorithms
Approach
- Restate the input: its shape, its size, and what is guaranteed about it.
- Name the brute-force solution and its complexity before improving on it.
- Choose the data structure from the access pattern, not from familiarity.
- State the target complexity and say which constraint rules the naive version out.
Follow-up
- How does this change if the input no longer fits in memory?
- What is the worst case, and how likely is it on real data?
How do you swap two variables without using a third variable?
Medium · Data Structures & Algorithms
Approach
- Restate the input: its shape, its size, and what is guaranteed about it.
- Name the brute-force solution and its complexity before improving on it.
- Choose the data structure from the access pattern, not from familiarity.
- State the target complexity and say which constraint rules the naive version out.
Follow-up
- How does this change if the input no longer fits in memory?
- What is the worst case, and how likely is it on real data?
Write a program to find the second largest element in an unsorted array.
Medium · Data Structures & Algorithms
Approach
- Restate the input: its shape, its size, and what is guaranteed about it.
- Name the brute-force solution and its complexity before improving on it.
- Choose the data structure from the access pattern, not from familiarity.
- State the target complexity and say which constraint rules the naive version out.
Follow-up
- How does this change if the input no longer fits in memory?
- What is the worst case, and how likely is it on real data?
Write an SQL query to find the second maximum salary of an employee from an employee table.
Medium · Databases & SQL
Approach
- Name the grain you start from and join outward from it.
- Check whether any join is one-to-many before aggregating, or the sums inflate.
- Say which index the query would use, and what makes it unusable.
- Handle the rows that do not match: that is usually the actual question.
Follow-up
- How does the query change if that join becomes one-to-many?
- What happens to this when the table is ten times larger?
How do you write an SQL query to insert values using an auto-generating sequence table and increment it by one
Medium · Databases & SQL
How do you write an SQL query to insert values using an auto-generating sequence table and increment it by one?
Approach
- Name the grain you start from and join outward from it.
- Check whether any join is one-to-many before aggregating, or the sums inflate.
- Say which index the query would use, and what makes it unusable.
- Handle the rows that do not match: that is usually the actual question.
Follow-up
- How does the query change if that join becomes one-to-many?
- What happens to this when the table is ten times larger?
Explain the difference between an Inner Join and a Left Outer Join with a real-world scenario.
Medium · Databases & SQL
Approach
- Name the grain you start from and join outward from it.
- Check whether any join is one-to-many before aggregating, or the sums inflate.
- Say which index the query would use, and what makes it unusable.
- Handle the rows that do not match: that is usually the actual question.
Follow-up
- How does the query change if that join becomes one-to-many?
- What happens to this when the table is ten times larger?
What is database normalization, and why is it critical in enterprise applications?
Medium · Databases & SQL
Approach
- Name the grain you start from and join outward from it.
- Check whether any join is one-to-many before aggregating, or the sums inflate.
- Say which index the query would use, and what makes it unusable.
- Handle the rows that do not match: that is usually the actual question.
Follow-up
- How does the query change if that join becomes one-to-many?
- What happens to this when the table is ten times larger?
Why do you want to join Wipro, and where do you see yourself in five years?
Medium · Behavioral & Situational
Approach
- Name the grain you start from and join outward from it.
- Check whether any join is one-to-many before aggregating, or the sums inflate.
- Say which index the query would use, and what makes it unusable.
- Handle the rows that do not match: that is usually the actual question.
Follow-up
- How does the query change if that join becomes one-to-many?
- What happens to this when the table is ten times larger?
Explain the internal working of a HashMap and HashSet in Java.
Medium · Core Programming & Object-Oriented Conce
Approach
- Clarify what is being asked and what a complete answer contains.
- State your assumptions explicitly before working the problem.
- Say what you would check first and why it is the highest-information step.
- Work from the requirement backwards to the design.
Follow-up
- What assumption would you test first?
- How would you know your answer was wrong?
What is the difference between the == operator and the .equals method?
Medium · Core Programming & Object-Oriented Conce
Approach
- Clarify what is being asked and what a complete answer contains.
- State your assumptions explicitly before working the problem.
- Say what you would check first and why it is the highest-information step.
- Work from the requirement backwards to the design.
Follow-up
- What assumption would you test first?
- How would you know your answer was wrong?
Can a constructor be made private? If so, what are the practical use cases?
Medium · Core Programming & Object-Oriented Conce
Approach
- Clarify what is being asked and what a complete answer contains.
- State your assumptions explicitly before working the problem.
- Say what you would check first and why it is the highest-information step.
- Work from the requirement backwards to the design.
Follow-up
- What assumption would you test first?
- How would you know your answer was wrong?
Explain the difference between String, StringBuffer, and StringBuilder.
Medium · Core Programming & Object-Oriented Conce
Approach
- Clarify what is being asked and what a complete answer contains.
- State your assumptions explicitly before working the problem.
- Say what you would check first and why it is the highest-information step.
- Work from the requirement backwards to the design.
Follow-up
- What assumption would you test first?
- How would you know your answer was wrong?
What is the difference between static binding and dynamic binding?
Medium · Core Programming & Object-Oriented Conce
Approach
- Clarify what is being asked and what a complete answer contains.
- State your assumptions explicitly before working the problem.
- Say what you would check first and why it is the highest-information step.
- Work from the requirement backwards to the design.
Follow-up
- What assumption would you test first?
- How would you know your answer was wrong?
Describe the difference between checked and unchecked exceptions.
Medium · Core Programming & Object-Oriented Conce
Approach
- Clarify what is being asked and what a complete answer contains.
- State your assumptions explicitly before working the problem.
- Say what you would check first and why it is the highest-information step.
- Work from the requirement backwards to the design.
Follow-up
- What assumption would you test first?
- How would you know your answer was wrong?
Explain the differences between the TRUNCATE, DELETE, and DROP commands.
Medium · Databases & SQL
Approach
- Clarify what is being asked and what a complete answer contains.
- State your assumptions explicitly before working the problem.
- Say what you would check first and why it is the highest-information step.
- Work from the requirement backwards to the design.
Follow-up
- What assumption would you test first?
- How would you know your answer was wrong?
What is Dependency Injection, and how is it implemented in Spring Boot?
Medium · Enterprise Frameworks & System Design
Approach
- Fix the scope first: who calls this, how often, and what they do when it fails.
- Name the read and write paths separately; they rarely have the same bottleneck.
- Choose a partition key and say what query it makes expensive.
- State the consistency you need, and where you are willing to be stale.
Follow-up
- What breaks first when traffic grows ten times?
- How does this behave when that dependency is down for an hour?
How do you share data between non-parent-child components in Angular or React?
Medium · Enterprise Frameworks & System Design
Approach
- Fix the scope first: who calls this, how often, and what they do when it fails.
- Name the read and write paths separately; they rarely have the same bottleneck.
- Choose a partition key and say what query it makes expensive.
- State the consistency you need, and where you are willing to be stale.
Follow-up
- What breaks first when traffic grows ten times?
- How does this behave when that dependency is down for an hour?
Explain how you would optimize API response times and reduce database hits in a high-traffic application.
Medium · Enterprise Frameworks & System Design
Approach
- Say who the caller is and what they do when the call fails halfway.
- Define the identity of a request so a retry cannot double-apply it.
- Separate accepted, pending, failed and confirmed; they are different facts.
- Design the error taxonomy before the success shape; callers branch on it.
Follow-up
- What happens if the caller retries after a timeout?
- How does a client discover it is on an old version of this contract?
Describe the architecture of a microservices-based system you worked on. How did you handle distributed transa
Medium · Enterprise Frameworks & System Design
Describe the architecture of a microservices-based system you worked on. How did you handle distributed transactions?
Approach
- Fix the scope first: who calls this, how often, and what they do when it fails.
- Name the read and write paths separately; they rarely have the same bottleneck.
- Choose a partition key and say what query it makes expensive.
- State the consistency you need, and where you are willing to be stale.
Follow-up
- What breaks first when traffic grows ten times?
- How does this behave when that dependency is down for an hour?
When would you choose Kafka over a traditional message queue like RabbitMQ?
Medium · Enterprise Frameworks & System Design
Approach
- Fix the scope first: who calls this, how often, and what they do when it fails.
- Name the read and write paths separately; they rarely have the same bottleneck.
- Choose a partition key and say what query it makes expensive.
- State the consistency you need, and where you are willing to be stale.
Follow-up
- What breaks first when traffic grows ten times?
- How does this behave when that dependency is down for an hour?
Exports duplicate a row range about once a week
Hard · leases · clock skew · idempotency
Roughly once a week an export writes a file containing a duplicated range of rows. The affected job_run rows show attempt = 1, status = succeeded, one started_at, and a lease_owner naming a different host from the one whose logs show the job starting. Leases last 30 seconds and are heartbeated every 10 from inside the handler; lease_expires_at is computed on the worker and compared against the database's now(). Find the mechanism, and give a fix that holds even if you cannot fix the clocks.
Approach
- Start from the fact that eliminates the obvious answer. attempt = 1 means no retry was recorded, so this is not a re-run after failure; two workers ran the same row concurrently and the takeover path never touched the counter. lease_owner naming a host other than the one that started the job is the same statement from the other side.
- Enumerate the mechanisms that cause a premature takeover, then find the signal that separates them. Either the lease genuinely expired because the heartbeat did not fire, which is what happens when the heartbeat runs on the handler's own thread and the handler makes a long blocking call, or it only appeared expired because two clocks disagree, since lease_expires_at is written from the worker's clock and evaluated against the database's. The discriminator is the distribution: incidents clustered on the longest exports indict the heartbeat, incidents clustered on one host indict skew. Measure both, and measure each host's offset against the database directly.
- Read the reclaim query precisely. In PostgreSQL now() is transaction start time, not statement time, so a reclaimer holding a long transaction compares against an older timestamp than expected; clock_timestamp() is the statement-time function. This is worth ruling in or out before you redesign anything, because it changes which rows look expired.
- Remove the second clock rather than trying to synchronise it. Issue and extend the lease in the database, with lease_expires_at = now() + interval '30 seconds' in both the claim and the heartbeat, so exactly one clock is ever compared and worker skew stops mattering to this predicate.
Follow-up
- The displaced worker has already streamed half the file to object storage. What makes that side effect safe to repeat?
- You now count takeovers. What alert fires on that counter, and at what threshold?
Suggested practice checklist
Built from the rounds and topics Wipro candidates report.
Day 1 — Map the Wipro loop
- Write out the reported sequence: Online Test, Communication Assessment, Recruiter Screen, Technical Screening, Core Technical Evaluation, Managerial and HR Discussions.
- For each round, write one sentence on what it is judging, from the description above, and mark the one you are least ready for.
Deliverable: A one-page map of the 6 reported rounds, with the weakest marked.
Day 2 — Work Java
- Spend the session on Java, which Wipro candidates report being tested on.
- Write one worked example in Java and time yourself on it.
Deliverable: One timed worked example in Java.
Day 3 — Work Spring Boot
- Spend the session on Spring Boot, which Wipro candidates report being tested on.
- Write one worked example in Spring Boot and time yourself on it.
Deliverable: One timed worked example in Spring Boot.
Day 4 — Work System Design
- Spend the session on System Design, which Wipro candidates report being tested on.
- Write one worked example in System Design and time yourself on it.
Deliverable: One timed worked example in System Design.
Day 5 — Answer out loud: Core Programming & Object-Oriented Concepts
- Answer aloud, timed: Explain the internal working of a HashMap and HashSet in Java.
- Answer aloud, timed: What is the difference between the
==operator and the.equalsmethod?
Deliverable: Spoken answers to 2 reported Core Programming & Object-Oriented Concepts question(s), under time.
Day 6 — Answer out loud: Data Structures & Algorithms
- Answer aloud, timed: Write a program to check if a given string is an Anagram of another string.
- Answer aloud, timed: Implement a function to find the longest common prefix among an array of strings.
Deliverable: Spoken answers to 2 reported Data Structures & Algorithms question(s), under time.
Day 7 — Answer out loud: Databases & SQL
- Answer aloud, timed: Write an SQL query to find the second maximum salary of an employee from an employee table.
- Answer aloud, timed: Explain the differences between the TRUNCATE, DELETE, and DROP commands.
Deliverable: Spoken answers to 2 reported Databases & SQL question(s), under time.
Behavioural preparation
Behavioural rounds judge the decision you made and what it cost.
Describe a situation where a key team member was suddenly absent. How did you manage their tasks and ensure pr
Medium · Behavioral & Situational
Describe a situation where a key team member was suddenly absent. How did you manage their tasks and ensure project delivery?
Approach
- Pick a story where you made the decision, not one where you watched it.
- State the situation in two sentences and spend the rest on the reasoning.
- Give the blast radius: what could have broken, and what you measured.
- Name the disagreement and how you resolved it with evidence.
Follow-up
- What would you do differently if you ran that again?
- How did you know your change caused the improvement?
Are you comfortable working in rotational shifts and relocating to different office locations based on project
Medium · Behavioral & Situational
Are you comfortable working in rotational shifts and relocating to different office locations based on project requirements?
Approach
- Pick a story where you made the decision, not one where you watched it.
- State the situation in two sentences and spend the rest on the reasoning.
- Give the blast radius: what could have broken, and what you measured.
- Name the disagreement and how you resolved it with evidence.
Follow-up
- What would you do differently if you ran that again?
- How did you know your change caused the improvement?
How do you handle constructive feedback or technical disagreements with a senior architect?
Medium · Behavioral & Situational
Approach
- Pick a story where you made the decision, not one where you watched it.
- State the situation in two sentences and spend the rest on the reasoning.
- Give the blast radius: what could have broken, and what you measured.
- Name the disagreement and how you resolved it with evidence.
Follow-up
- What would you do differently if you ran that again?
- How did you know your change caused the improvement?