PwC Senior Associate Technology L1 Interview Questions, Process, and Tips

I have 3 years of experience working in the Data Analytic team where I analyzed large datasets to provide insights and recommendations.

• Performed data cleaning and preprocessing tasks to ensure data accuracy

• Utilized statistical analysis and machine learning techniques to extract valuable information

• Created data visualizations and reports to communicate findings to stakeholders

Data cleansing involves identifying and correcting errors in data to improve its quality. Ways to analyze data include using statistical methods, data visualization, and machine learning algorithms.

• Identify and remove duplicate records

• Standardize data formats and values

• Fill in missing values using imputation techniques

• Use data profiling to understand data quality issues

• Apply data validation rules to ensure accuracy

• Util...read more

I would deal with the overwhelming nature of working in a Big4 by prioritizing tasks, seeking support from colleagues, and practicing self-care.

• Prioritize tasks based on deadlines and importance to avoid feeling overwhelmed

• Seek support from colleagues or mentors to discuss challenges and brainstorm solutions

• Practice self-care activities such as exercise, meditation, or hobbies to manage stress and maintain work-life ba

Java program to sort an array of strings

• Use Arrays.sort() method to sort the array of strings

• Import java.util.Arrays package

• Example: String[] arr = {"apple", "banana", "orange"}; Arrays.sort(arr);

Collections in Java and Spring Boot are used to store and manipulate groups of objects.

• Collections in Java are used to store multiple objects in a single unit.

• Spring Boot provides support for managing collections through various data structures like List, Set, Map, etc.

• Collections in Java and Spring Boot help in organizing and manipulating data efficiently.

• Example: List names = new ArrayList<>();