Developer applicants have rated the interview process at Ecolab with 4 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 100% positive. This is according to Glassdoor user ratings.
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Interview proccess was very smooth, asked about my projects like little deep about them, concepts of databases and oops concepts. Next they started asking about my flexibility to change between domains and soft skills too.
The interview process depends on the tool but major are four rounds. Screening and knowledge on tool, Architect round for techical, Managerial Round, and HR would be the final round.
Interview questions [1]
Question 1
About the tool and its process knowledge, and scripting
Was quite a bit competitive and mostly problem solving, Managerial round was fun. Know your resume and what you put on it. It lasts 30-40 mins depending on the role you're applying for.