Cognowiz Solutions is a leading tech company specializing in innovative data solutions and business intelligence services. Renowned for its cutting-edge technology and customer-centric approach, Cognowiz Solutions provides exceptional opportunities for growth and advancement in the tech industry.

The Business Intelligence (BI) position at Cognowiz Solutions plays a critical role in helping the company derive actionable insights from data. As a BI professional, you will leverage your analytical skills to transform data into strategic business decisions, ensuring optimal performance and efficiency.

If you're aiming to join Cognowiz Solutions as a Business Intelligence professional, this guide on Interview Query is an invaluable resource. We'll walk you through the interview process, dive into commonly asked questions, and offer tips to help you succeed. Let's dive in!

Submitting Your Application

The first step is to submit a compelling application reflecting your technical skills and your interest in joining Cognowiz Solutions as a Business Intelligence professional. Whether you were contacted by a recruiter from Cognowiz Solutions or have taken the initiative yourself, carefully review the job description and tailor your CV according to the prerequisites.

Tailoring your CV may include identifying specific keywords that the hiring manager might use to filter resumes and crafting a targeted cover letter. Furthermore, don’t forget to highlight relevant skills and mention your work experiences specific to Business Intelligence roles.

Recruiter/Hiring Manager Call Screening

If your CV happens to be among the shortlisted few, a recruiter from the Cognowiz Solutions Talent Acquisition Team will make contact and verify key details like your experiences and skill level. Behavioral questions may also be a part of the screening process.

In some cases, the Cognowiz Solutions Business Intelligence hiring manager may stay present during the screening round to answer your queries about the role and the company itself. They may also indulge in surface-level technical and behavioral discussions.

The whole recruiter call should take about 30 minutes.

Technical Virtual Interview

Successfully navigating the recruiter round will present you with an invitation for the technical screening round. Technical screening for the Business Intelligence role at Cognowiz Solutions usually is conducted through virtual means, including video conference and screen sharing. Questions in this 1-hour long interview stage may revolve around Cognowiz Solutions’ data architecture, ETL processes, and SQL queries.

For Business Intelligence roles, take-home assignments regarding data manipulation, analytics, and data visualization are often incorporated. Apart from these, your proficiency against data modeling, data warehousing principles, and business analytics may also be assessed during the round.

Depending on the seniority of the position, case studies and similar real-scenario problems may also be assigned.

Onsite Interview Rounds

Followed by a second recruiter call outlining the next stage, you’ll be invited to attend the onsite interview loop. Multiple interview rounds, varying with the role, will be conducted during your day at the Cognowiz Solutions office. Your technical prowess, including programming and BI tool proficiency (like Tableau, Power BI), will be evaluated against the finalized candidates throughout these interviews.

If you were assigned take-home exercises, a presentation round may also await you during the onsite interview for the Business Intelligence role at Cognowiz Solutions.

Quick Tips For Cognowiz Solutions Business Intelligence Interviews

• Master Your Data Skills: Get comfortable with SQL and other data manipulation languages. Practice creating complex queries and familiarizing yourself with Cognowiz Solutions’ preferred data handling techniques.
• Understand Business Processes: Cognowiz Solutions values candidates who understand how BI can drive business decisions. Acquaint yourself with different business processes and think of ways BI tools can optimize them.
• Be Analytical: Focus on both technical and analytical capabilities. Prepare to discuss your problem-solving approaches and demonstrate how you can translate data into actionable insights.

Typically, interviews at Cognowiz Solutions vary by role and team, but commonly Business Intelligence interviews follow a fairly standardized process across these question topics.

• Write a SQL query to select the 2nd highest salary in the engineering department. Write a SQL query to select the 2nd highest salary in the engineering department. If more than one person shares the highest salary, the query should select the next highest salary.

• Write a function to find the maximum number in a list of integers. Given a list of integers, write a function that returns the maximum number in the list. If the list is empty, return None.

• Create a function convert_to_bst to convert a sorted list into a balanced binary tree. Given a sorted list, create a function convert_to_bst that converts the list into a balanced binary tree. The output binary tree should be balanced, meaning the height difference between the left and right subtree of all the nodes should be at most one.

• Write a function to simulate drawing balls from a jar. Write a function to simulate drawing balls from a jar. The colors of the balls are stored in a list named jar, with corresponding counts of the balls stored in the same index in a list called n_balls.

• Develop a function can_shift to determine if one string can be shifted to become another. Given two strings A and B, write a function can_shift to return whether or not A can be shifted some number of places to get B.

• What are the drawbacks of having student test scores organized in the given layouts? Assume you have data on student test scores in two different layouts. Identify the drawbacks of these layouts and suggest formatting changes to make the data more useful for analysis. Additionally, describe common problems seen in "messy" datasets.

• How would you locate a mouse in a 4x4 grid using the fewest scans? You have a 4x4 grid with a mouse trapped in one of the cells. You can scan subsets of cells to know if the mouse is within that subset. Describe a strategy to find the mouse using the fewest number of scans.

• How would you select Dashers for Doordash deliveries in NYC and Charlotte? Doordash is launching delivery services in New York City and Charlotte. Describe the process for selecting Dashers (delivery drivers) and discuss whether the criteria for selection should be the same for both cities.

• What factors could bias Jetco's study on boarding times? Jetco, a new airline, has the fastest average boarding times according to a study. Identify potential factors that could have biased this result and explain what you would investigate further.

• How would you design an A/B test to evaluate a pricing increase for a B2B SAAS company? You work at a B2B SAAS company interested in testing different subscription pricing levels. Describe how you would design a two-week-long A/B test to evaluate a pricing increase and determine if it is a good business decision.

• How much should we budget for the coupon initiative in total? A ride-sharing app has a probability (p) of dispensing a $5 coupon to a rider. The app services (N) riders. Calculate the total budget needed for the coupon initiative.

• What is the probability of both riders getting the coupon? A driver using the app picks up two passengers. Determine the probability that both riders will receive the coupon.

• What is the probability that only one of them will get the coupon? A driver using the app picks up two passengers. Determine the probability that only one of the riders will receive the coupon.

• What is a confidence interval for a statistic? Explain what a confidence interval is, why it is useful, and how to calculate it.

• What is the probability that item X would be found on Amazon's website? Amazon has a warehouse system where items are located at different distribution centers. Given the probabilities that item X is available at warehouse A (0.6) and warehouse B (0.8), calculate the probability that item X would be found on Amazon's website.

• Is this a fair coin? You flip a coin 10 times, and it comes up tails 8 times and heads twice. Determine if the coin is fair.

• What are time series models and why do we need them? Describe what time series models are and explain why they are necessary when simpler regression models exist.

• How would you justify the complexity of building a neural network model and explain predictions to non-technical stakeholders? Your manager asks you to build a neural network model to solve a business problem. How would you justify the complexity of the model and explain its predictions to non-technical stakeholders?

• How would you evaluate the suitability and performance of a decision tree model for predicting loan repayment? You are tasked with building a decision tree model to predict if a borrower will repay a personal loan. How would you evaluate whether a decision tree is the correct model and assess its performance before and after deployment?

• How does random forest generate the forest, and why use it over logistic regression? Explain the process by which random forest generates its forest. Additionally, discuss why one might choose random forest over logistic regression.

• How would you explain linear regression to a child, a first-year college student, and a seasoned mathematician? Explain the concept of linear regression tailored to the understanding levels of three different audiences: a child, a first-year college student, and a seasoned mathematician.

• What are the key differences between classification models and regression models? Describe the main differences between classification models and regression models.

Joining Cognowiz Solutions as a Business Intelligence Analyst could be a pivotal step in your career. To gain more insights and effectively prepare for the interview, explore our Cognowiz Interview Guide, where we've compiled key questions and detailed information. Additionally, find specific guides for other roles such as software engineer and data analyst to broaden your understanding of Cognowiz’s interview process across different positions.

At Interview Query, we arm you with the essential tools, strategic advice, and practice questions necessary to excel in every Cognowiz interview scenario.

Discover more through our company interview guides for comprehensive preparation. If you have any questions, feel free to reach out to us.

Best of luck with your interview journey!