Ecolab Interview Questions, Process, and Tips for Experienced

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

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

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 ...read more