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Ecolab Interview Questions and Answers

Updated 22 Feb 2025

Ecolab Interview Experiences

Popular Designations

15 interviews found

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - HR 

(1 Question)

  • Q1. What is your current ctc

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prepared and be confident. look for work culture

Senior Chemist Interview Questions asked at other Companies

Q1. What is the relation between temperature and prassure ?
View answer (2)

Interview Questions & Answers

user image Anonymous

posted on 12 Jun 2022

I applied via Naukri.com and was interviewed in Dec 2021. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - One-on-one 

(1 Question)

  • Q1. Basically regarding your respective work
Round 3 - One-on-one 

(1 Question)

  • Q1. Regarding projects , cost reduction initiative
Round 4 - One-on-one 

(1 Question)

  • Q1. Again discussion regarding process optimization , process improvement , procure 2 pay

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident on your work, skills and attitude.
Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
No response

I applied via Approached by Company and was interviewed before Apr 2023. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. - Asked about past projects - Given a situation and how to solve it using Azure services

Interview Preparation Tips

Interview preparation tips for other job seekers - Just prepare basic C# and .net concepts and your past projects.

Senior Software Interview Questions asked at other Companies

Q1. Design bookmyshow like application. how will you handle the scenario if two people try to book the same seat at the same time?
View answer (1)

I appeared for an interview in Mar 2021.

Interview Questionnaire 

3 Questions

  • Q1. What is proficiency level in Python, Selenium & Power BI?
  • Ans. 

    Proficient in Python, Selenium & Power BI

    • Expertise in Python programming language and its libraries

    • Experience in using Selenium for automated testing

    • Proficient in creating interactive dashboards using Power BI

    • Ability to integrate Python scripts with Power BI for data analysis

    • Familiarity with data visualization and reporting techniques

  • Answered by AI
  • Q2. Describe a real use case where you leveraged raw data to solve a business problem.
  • Ans. 

    Used raw data to optimize website performance for a client

    • Analyzed website traffic data to identify slow loading pages

    • Used A/B testing to determine optimal page design

    • Implemented changes to improve page load times and user experience

    • Monitored performance metrics to ensure continued success

  • Answered by AI
  • Q3. How do you handle class imbalance problems and presence of outliers?
  • Ans. 

    I handle class imbalance by using techniques like oversampling, undersampling, and SMOTE. For outliers, I use statistical methods like Z-score and IQR.

    • For class imbalance, I use oversampling techniques like SMOTE or undersampling techniques like random undersampling.

    • I also use ensemble methods like bagging and boosting to handle class imbalance.

    • For outliers, I use statistical methods like Z-score and IQR to detect and ...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Anticipate the questions that are going to be asked and pen them into paper and practice it well

Skills evaluated in this interview

Senior Technical Engineer Interview Questions asked at other Companies

Q1. 3. Green building materials. And how is it help in sustainable development of construction Industries.
View answer (1)

Ecolab interview questions for popular designations

 Business Intelligence Analyst

 (1)

 Supply Chain Analyst

 (1)

 Senior Software

 (1)

 Pricing Analyst

 (1)

 Financial Analyst

 (1)

 Senior Software Engineer

 (1)

 Senior Product Analyst

 (1)

 Senior Chemist

 (1)

I applied via LinkedIn and was interviewed before Oct 2020. There were 3 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. SharePoint architecture
  • Q2. SharePoint Online
  • Q3. Powerapps architecture

Interview Preparation Tips

Interview preparation tips for other job seekers - Always prepare full with complete project understanding. You should have confidence on yourself.

Senior Software Engineer Interview Questions asked at other Companies

Q1. Tell me about yourself. What technology are you using? What is a Collection? What are the different types of collection there? What is the difference between ArrayList and LinkedList What are the basic building blocks of Stream operators, s... read more
View answer (2)

Ecolab Interview FAQs

How many rounds are there in Ecolab interview?
Ecolab interview process usually has 1-2 rounds. The most common rounds in the Ecolab interview process are One-on-one Round, Technical and HR.
How to prepare for Ecolab interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Ecolab. The most common topics and skills that interviewers at Ecolab expect are Equity, Compliance, Payroll, Excel and Analytical.
What are the top questions asked in Ecolab interview?

Some of the top questions asked at the Ecolab interview -

  1. Describe a real use case where you leveraged raw data to solve a business probl...read more
  2. How do you handle class imbalance problems and presence of outlier...read more
  3. What is proficiency level in Python, Selenium & Power ...read more

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Ecolab Interview Process

based on 18 interviews

Interview experience

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3.6/5

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3.2

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3.8

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