Onestop Retail Interview Questions and Answers

Q1. Regarding analysis Campaign management Customer journey
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Q1. What is your understanding of data modeling?
Ans. 
Data modeling is the process of creating a visual representation of data structures and relationships to facilitate understanding and usage.
• Defines how data is connected and stored, e.g., ER diagrams for relational databases.

• Helps in database design, ensuring data integrity and efficiency.

• Facilitates communication between stakeholders, e.g., developers and business analysts.

• Types include conceptual, logical, and physic...read more
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Q2. What are the different types of schemas used in Power BI?
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Power BI uses various schemas like Star, Snowflake, and Galaxy for data modeling and organization.
• Star Schema: Simplified structure with a central fact table connected to dimension tables. Example: Sales data with dimensions like Product and Customer.

• Snowflake Schema: More complex, with normalized dimension tables. Example: A product dimension split into categories and subcategories.

• Galaxy Schema: Combination of multip...read more
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Q1. What challenges did you face in your previous company, and how did you address them?
Ans. 
Faced challenges in project deadlines and team communication, resolved through agile practices and regular check-ins.
• Implemented agile methodologies to improve project timelines, resulting in a 20% increase in on-time delivery.

• Facilitated weekly stand-up meetings to enhance team communication, which reduced misunderstandings and improved collaboration.

• Addressed resource allocation issues by cross-training team members,...read more
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Q2. Which model were you working on?
Ans. 
I worked on a predictive maintenance model using machine learning to optimize equipment uptime and reduce operational costs.
• Utilized historical sensor data to predict equipment failures.

• Implemented algorithms like Random Forest and Gradient Boosting.

• Achieved a 20% reduction in downtime through proactive maintenance.

• Collaborated with cross-functional teams to integrate the model into existing systems.
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Q1. What is your current Cost to Company (CTC)?
Ans. 
My current CTC is structured to reflect my skills, experience, and contributions to the organization.
• My current CTC is $120,000 annually, which includes base salary and bonuses.

• It consists of a base salary of $100,000, with $20,000 in performance bonuses.

• Additionally, I receive benefits such as health insurance, retirement contributions, and stock options.
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Q2. What is your expected cost to company (CTC)?
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I expect a competitive CTC that reflects my skills, experience, and the value I bring to the organization.
• Based on industry standards, I am looking for a CTC in the range of $X to $Y.

• My previous role had a CTC of $Z, which included bonuses and benefits.

• I believe in aligning my expectations with the company's budget and growth potential.
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Q1. Basic javascript questions and node js questions and problem solving skills
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Q1. Architecture of the projects/products worked. integration between the two systems and in depth/ES6 features on JavaScript
Ans. 
I have worked on projects with scalable architecture and integrated multiple systems using ES6 features in JavaScript.
• Developed a microservices-based architecture for a healthcare platform using Node.js and React

• Integrated payment gateway systems with e-commerce websites using REST APIs

• Implemented ES6 features like arrow functions, template literals, and destructuring for cleaner code

• Used Webpack for bundling and Babel...read more
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Q1. Technical knowledge on architecture and AWS
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Q1. How was i managed work in previous employer. and achievements
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Q1. Sales experience , technical question,
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Q2. Ready to travel in maharashtra
Ans. 
Yes, I am ready to travel in Maharashtra for sales purposes.
• I have experience traveling for sales in other regions as well

• I am familiar with the transportation options in Maharashtra

• I am willing to stay overnight if necessary

• I am excited to explore new areas and meet potential clients
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Basic dsa algo apti and english

Easy string questions from leetcode

Q1. C# OOPS related questions, Design Patterns and simple coding questions such as Fizz Buzz and Palindrome for which I had to share my screen code and run the solution and explain the Time & Space complexity ...read more
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Q1. Very Easy Technical round with a panel of 3 from US in which easy coding questions on List etc were asked to program and run on an online compiler
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Q1. Director Round with an Indian guy sitting in US - How to do central logging in a multi server setup? I answered by saying we can use AWS Cloudwatch to achieve this for monitoring analysis & logging or we c...read more
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Q1. Had two HR rounds - They said that they cannot give the salary which I had initially shared with them as my expected salary. If that was the case then why waste someone's time, they could have told me this...read more
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