ObjectWin Technology Interview Questions and Answers

I have worked on various data science projects, including predictive modeling, natural language processing, and image classification.

• Developed a predictive model for customer churn using logistic regression, achieving an accuracy of 85%.

• Implemented a natural language processing project to analyze customer feedback, resulting in actionable insights for product improvement.

• Created an image classification model using conv...read more

Led a data-driven project to improve customer retention using predictive modeling and team collaboration.

• Identified key metrics for customer retention through exploratory data analysis.

• Developed a predictive model using logistic regression to forecast churn.

• Presented findings to the team, emphasizing the potential impact on revenue.

• Facilitated workshops to gather feedback and refine the model based on team insights.

• Use...read more

Answering questions on Roles and Responsibilities, AWS services and S3 Versioning and encryption.

• Roles and Responsibilities involve defining tasks and duties for team members to achieve project goals.

• AWS services worked on include EC2, S3, Lambda, RDS, etc.

• EC2 life cycle involves launching, running, stopping, and terminating instances.

• S3 Versioning is a feature that allows multiple versions of an object to be stored in...read more

EC2 security measures include security groups, network ACLs, IAM roles, and encryption.

• Security groups act as virtual firewalls to control inbound and outbound traffic.

• Network ACLs provide an additional layer of security by controlling traffic at the subnet level.

• IAM roles allow you to grant permissions to AWS resources.

• Encryption can be used to protect data at rest and in transit.

• Regularly patching and updating your E

Some latest versions of technologies include Python 3.9, Angular 11, and React 17.

• Python 3.9

• Angular 11

• React 17