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Gardner Denver Engineered Products Interview Questions and Answers

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Interview Questionnaire 

2 Questions

  • Q1. Nitofication microservice design.
  • Ans. 

    Notification microservice design involves creating a scalable and reliable system for sending notifications to users.

    • Use a message queue to handle high volumes of notifications

    • Implement retry mechanisms to ensure delivery

    • Allow for customization of notification types and channels

    • Ensure security and privacy of user data

    • Monitor and analyze notification performance for optimization

  • Answered by AI
  • Q2. Node.js program to merge an array of objects. e.g. a = [{a:1,c:3},{b:4,r:6}], b = [{b:2},{a:4,c:9}], result = [{a:1,b:2,c:3},{a:4,b:4,c:9,r:6}]

Skills evaluated in this interview

I applied via Naukri.com and was interviewed in Sep 2019. There was 1 interview round.

Interview Questionnaire 

5 Questions

  • Q1. Question 1)Tell me about yourself and qualifications?
  • Ans. 

    I am a recent graduate with a degree in Computer Science and experience in web development.

    • Recent graduate with a degree in Computer Science

    • Experience in web development

    • Strong problem-solving skills

    • Proficient in programming languages such as Java, JavaScript, and HTML/CSS

  • Answered by AI
  • Q2. Question 2)What are your hobbies?
  • Ans. 

    My hobbies include reading, hiking, and playing the guitar.

    • Reading: I enjoy reading fiction and non-fiction books in my free time.

    • Hiking: I love exploring nature trails and challenging myself with new hikes.

    • Playing the guitar: I have been playing the guitar for several years and enjoy learning new songs.

  • Answered by AI
  • Q3. Question 3)What do you know about our company?
  • Ans. 

    Our company is a leading tech startup specializing in AI-driven solutions for businesses.

    • Specializes in AI-driven solutions for businesses

    • Considered a leading tech startup in the industry

    • Known for innovative and cutting-edge technology

    • Has a strong focus on research and development

    • Provides services to a wide range of industries

  • Answered by AI
  • Q4. Question 4) Why do you want to join our company?
  • Ans. 

    I want to join your company because of its innovative projects, strong company culture, and opportunities for growth.

    • Innovative projects that align with my interests and skills

    • Strong company culture that values collaboration and employee development

    • Opportunities for growth and advancement within the company

  • Answered by AI
  • Q5. Question 5) Tell me about your training and projects you have done in college?
  • Ans. 

    I completed various training programs and projects during my college years, gaining hands-on experience in different areas.

    • Completed a training program in data analysis using Python and R

    • Developed a mobile application for a class project using Java and Android Studio

    • Participated in a research project on renewable energy sources

    • Completed an internship at a local software company, working on web development projects

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Start by researching about the company and job profile you applied for. Practice common interview questions. Be confident. Ask questions at the end of the interview. Remember your CV details. Arrive on time and stay relaxed.

I applied via Campus Placement and was interviewed in Dec 2017. There was 0 interview round.

Interview Preparation Tips

General Tips: Ola cabs visited our campus for Management Trainee Profile. The process started late in November with a written test; the test was conducted on HackerEarth and consisted 40 questions (Verbal, RC, Quant & LR) to be completed in 60 minutes. About 40 students (20ish waitlisted) were shortlisted based on the test. The written exams of most of the companies predominantly test quant, verbal, DI & LR; and I would strongly suggest practicing Arun Sharma & other CAT materials.

Moving forward, the interviews were scheduled for Dec 1 and consisted of three rounds. It is important that you smile, exude confidence and engage the interviewer and get them interested in you. I would suggest taking up roles involving public speaking through clubs, events, competitions, etc and hone your communication skills. Also, try having mock interviews with your friends and exchange feedback. Also, PORs really help in showcasing leadership qualities.

My first round started off with my introduction and resume walk-down. Since my resume had concentration in Economics & Finance, I was questioned on Micro-Economics, Financial terms, Pricing strategies and so forth. By now I had built up a great rapport, and the interview felt more like a conversation. I was asked on the economics behind the surge pricing, and how and when the price for customer increases & decreases and was asked real-life cases to vary the pricing (Price increases when Demand-high Supply-low; and price decreases Supply-high Demand-low. Then, I was asked to estimate the number of people chewing pan at that particular moment in Varanasi (My interview was happening around 9:30 PM). [Segment by gender and age, estimate no of ppl who chew pan, the frequency of chewing pan, and allocate a percentage who chew pan at that particular moment]. The interview ended with questions from my side and at last, I ended up giving a product suggestion to improve Ola, which was very highly appreciated (with a promise to take it up with the product team).

Second round: Resume walk down, asked again on financial terms, financial statements, valuation, etc [be completely thorough of your resume, don't fake anything], asked to suggest a couple business opportunities in Varanasi, the business model of Ola [read the difference between business model & revenue model of a business], then a mini-case/problem on increasing the revenue of a small space & budget constrained restaurant. This was followed by couple more factor questions - metrics on which drivers can rate Ola; even after increasing no of drivers we are unable to fulfill demand/increase no of booking (there is unfulfilled demand), identify all the metrics/places you'll look at to identify the problem source. Tips for case questions & factor/metrics questions: Be composed, ask permission & take time to write down your thoughts before blurting out, they are always going to ask for more metrics - don't fluster & be prepared to think and give more & more metrics/solutions. Lastly, the interview ended with questions from my side [google up interviewer profile while waiting and frame ques accordingly; my first interviewer was in product team and my second was in analytics/ML; right questions can excite the interviewers and leave an impact].

Third round: HR based questions; questions abt different Ola services - their business model, target customers, feasibility in diff regions; your goals, expectation from Ola.
Other interviewees were also asked puzzles. Finally, eight candidates were offered full-time positions.

Go through Case in Point, practice guesstimates, and puzzles[Mt Fuji, Geekforgeeks, etc] with your friends [do mocks & exchange feedback].

Best of luck!!!
College Name: IIT BHU

I applied via LinkedIn and was interviewed before May 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Questions were from SQL, Python, Statistics & Business Case Studies/Metrics in the form of 4-5 rounds.

Interview Preparation Tips

Interview preparation tips for other job seekers - So Key Takeaway is You have to be good with your Technical Knowledge (SQL Expert, Python, Overall Stats Knowledge) and That is not really enough. What differs a Business Analyst from other Developers/Statisticians etc. is Business acumen, Problem Solving Skills etc. To have a Business Knowledge and Understanding such that you find the problems/solutions/ Metrics and then solve them using the Technology.

I appeared for an interview in Nov 2020.

Interview Questionnaire 

1 Question

  • Q1. Mainly about sql, previous job role

I appeared for an interview before Sep 2020.

Round 1 - Telephonic Call 

Round duration - 45 minutes
Round difficulty - Easy

This round was telephonic round. The interview lasted for approximately 45 minutes. The interviewer asked me three coding questions. I hustled a bit on 3rd question but after a hint was able to solve it.

Round 2 - Coding Test 

(1 Question)

Round duration - 120 minutes
Round difficulty - Easy

This round was Online Test on Hackerrank for 120 minutes, it contained 3 questions.

  • Q1. 

    LRU Cache Design Question

    Design a data structure for a Least Recently Used (LRU) cache that supports the following operations:

    1. get(key) - Return the value of the key if it exists in the cache; otherw...

  • Ans. 

    Design a Least Recently Used (LRU) cache data structure that supports get and put operations with capacity constraint.

    • Use a combination of hashmap and doubly linked list to implement the LRU cache.

    • Keep track of the least recently used item and evict it when the cache reaches its capacity.

    • Update the position of an item in the cache whenever it is accessed or updated.

    • Handle both get and put operations efficiently to main...

  • Answered by AI
Round 3 - Face to Face 

Round duration - 60 minutes
Round difficulty - Easy

This round was face to face Interview at Ola Campus and lasted for 1 hour.

Round 4 - Face to Face 

Round duration - 35 minutes
Round difficulty - Easy

This round was again a face to face technical interview, I was just asked one question in this round.

Round 5 - Face to Face 

(1 Question)

Round duration - 30 minutes
Round difficulty - Easy

Only a question of System Design was asked

  • Q1. Design a toll booth system for Ola cabs and explain the necessary functions and data structures used in it.
  • Ans. 

    Design a toll booth system for Ola cabs with necessary functions and data structures.

    • Use a queue data structure to manage the order of vehicles waiting at the toll booth.

    • Implement functions for vehicle entry, toll calculation, and exit.

    • Store vehicle information such as license plate number, type of vehicle, and toll amount in a hash map.

    • Utilize a priority queue to handle VIP or premium customers efficiently.

    • Include a f...

  • Answered by AI
Round 6 - HR 

Round duration - 30 minutes
Round difficulty - Easy

Very general HR questions were asked

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - 1 in New DelhiOla interview preparation:Topics to prepare for the interview - DSA, Operating systems, Databases, System design, Networking Time required to prepare for the interview - 4.5 monthsInterview preparation tips for other job seekers

Tip 1 : Be confident in the projects you have mentioned in your resume.
Tip 2 : Always discuss your approach with the interviewer first for any problem.
Tip 3 : Always start with a basic solution and then discuss further optimisations.

Application resume tips for other job seekers

Tip 1 : Good projects showing your skills (Be clear in what you achieved from those projects)
Tip 2 : Internship experience at the top (It gives you an edge over others)

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview Questionnaire 

1 Question

  • Q1. What certifications should a software developer have?
  • Ans. 

    Certifications are not mandatory for software developers, but can add value to their resume.

    • Certifications in programming languages like Java, Python, C++

    • Certifications in software development methodologies like Agile, Scrum

    • Certifications in cloud computing platforms like AWS, Azure

    • Certifications in security like CISSP, CEH

    • Certifications in project management like PMP

    • Certifications in mobile app development like Androi

  • Answered by AI

I appeared for an interview before May 2021.

Round 1 - Coding Test 

(3 Questions)

Round duration - 90 minutes
Round difficulty - Medium

It was in the morning, where there were 3 questions to answer.

  • Q1. 

    Number of Islands Problem Statement

    You are provided with a 2-dimensional matrix having N rows and M columns, containing only 1s (land) and 0s (water). Your goal is to determine the number of islands in t...

  • Ans. 

    Count the number of islands in a 2D matrix of 1s and 0s.

    • Use Depth First Search (DFS) or Breadth First Search (BFS) to traverse the matrix and identify connected groups of 1s.

    • Maintain a visited array to keep track of visited cells to avoid redundant traversal.

    • Increment the island count each time a new island is encountered.

    • Consider all eight possible directions for connectivity while traversing the matrix.

    • Handle edge ca...

  • Answered by AI
  • Q2. 

    Missing Numbers Problem Statement

    You are provided with an array called ARR, consisting of distinct positive integers. Your task is to identify all the numbers that fall within the range of the smallest a...

  • Ans. 

    Identify missing numbers within the range of smallest and largest elements in an array.

    • Find the smallest and largest elements in the array.

    • Generate a list of numbers within this range.

    • Filter out the numbers present in the array.

    • Return the missing numbers in sorted order.

  • Answered by AI
  • Q3. 

    Count Leaf Nodes in a Binary Tree

    Given a binary tree, your task is to count and return the number of leaf nodes present in it.

    A binary tree is a data structure where each node has at most two children,...

  • Ans. 

    Count and return the number of leaf nodes in a binary tree.

    • Traverse the binary tree and count nodes with both left and right children as NULL.

    • Use recursion to traverse the tree efficiently.

    • Leaf nodes have no children, so check for NULL left and right children to identify them.

  • Answered by AI
Round 2 - Face to Face 

(1 Question)

Round duration - 20 minutes
Round difficulty - Medium

It was a system design round.

  • Q1. Can you describe the system design of the OLA app?
  • Ans. 

    OLA app system design involves multiple components like user interface, driver matching algorithm, payment processing, etc.

    • User interface for booking rides and tracking

    • Driver matching algorithm based on location and availability

    • Payment processing for seamless transactions

    • Real-time tracking of rides for both users and drivers

  • Answered by AI
Round 3 - Face to Face 

(2 Questions)

Round duration - 45 minutes
Round difficulty - Medium

It was a DS Algo round.

  • Q1. 

    Diagonal Traversal of a Binary Tree Problem Statement

    Given a binary tree, your task is to determine the diagonal traversal of the tree.

    Example:

    Input:
    1 2 3 4 -1 5 6 -1 7 -1 -1 -1 -1 -1 -1
    Output:
    ...
  • Ans. 

    Diagonal traversal of a binary tree involves traversing nodes diagonally from top to bottom and left to right.

    • Traverse the tree level by level, starting from the root node.

    • For each level, keep track of the diagonal nodes and their children.

    • Use a queue to store nodes at each level and traverse them accordingly.

    • Example: For input 1 2 3 4 -1 5 6 -1 7 -1 -1 -1 -1 -1 -1, the diagonal traversal is 1 3 6 2 5 4 7.

  • Answered by AI
  • Q2. 

    Minimum Number Of Taps To Water Garden Problem Statement

    You are required to determine the minimum number of taps that need to be opened to water an entire one-dimensional garden defined along the x-axis,...

  • Ans. 

    Find the minimum number of taps to water an entire garden along the x-axis.

    • Iterate over the taps and find the farthest point each tap can reach.

    • Sort the taps based on their starting points and use a greedy approach to select the taps.

    • Keep track of the farthest point reachable by the selected taps and the number of taps opened.

    • Return the minimum number of taps needed to water the entire garden or -1 if it's impossible.

  • Answered by AI
Round 4 - HR 

Round duration - 15 minutes
Round difficulty - Medium

HR Round

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - 1 in BangaloreEligibility criteriaAbove 7 CGPAOla interview preparation:Topics to prepare for the interview - Data Structures, OOPS, Algorithms, Puzzles, Binary Search, Dynamic Programming.Time required to prepare for the interview - 3 monthsInterview preparation tips for other job seekers

Tip 1 : Go through standard problems
Tip 2 : You should know about everything you have written on your resume

Application resume tips for other job seekers

Tip 1 : Keep it short not more than 1 page.
Tip 2 : Write more about figures and technicality on your resume.

Final outcome of the interviewSelected

Skills evaluated in this interview

I applied via Referral and was interviewed before Sep 2020. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. Tell me abt yourself
  • Q2. Achievements in past

Interview Preparation Tips

Interview preparation tips for other job seekers - Give your best, go in a flow , talk truth

I applied via Company Website and was interviewed in Jul 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. It was a aptitude test thn voicd test thn hr interview . Hr asked me ques tell me how would u sell a pen ,asked me my hobbies basically checked my communication skills .thats it

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident even if u are speaking hindi and not able to communicate well in eng

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Gardner Denver Engineered Products Reviews and Ratings

based on 56 reviews

3.9/5

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3.8

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3.8

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3.7

Salary

3.7

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3.8

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3.4

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3.8

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