Sri Tech Solutions Inc. is a distinguished tech consulting firm dedicated to providing innovative IT solutions and services. Renowned for its deep industry expertise and exceptional client satisfaction, Sri Tech Solutions fortifies its presence in the fast-paced tech landscape by offering cutting-edge data-driven strategies.

For those aspiring to join as a Business-Facing Data Scientist specializing in Market Mix Modeling, you'll be at the forefront of analyzing critical data to drive client business growth and profitability. This role requires you to collaborate with cross-functional teams to develop comprehensive market mix models, provide pivotal business insights, and translate complex data into actionable recommendations. Suitable candidates should have substantial experience in market mix modeling, proficiency in tools like Python and R, and possess excellent communication skills.

This guide on Interview Query will walk you through the interview process and equip you with necessary insights and preparation tips to excel in securing your position at Sri Tech Solutions. Let’s dive in!

Submitting Your Application

The first step is to submit a compelling application that reflects your technical skills and interest in joining Sri Tech Solutions Inc. as a Data Scientist. Whether you were contacted by a recruiter from Sri Tech Solutions Inc. or have taken the initiative yourself, it's crucial to carefully review the job description and tailor your CV accordingly.

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.

Recruiter/Hiring Manager Call Screening

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

In some cases, the hiring manager for the Data Scientist role may be present during the screening round to answer your queries about the role and the company itself. They may also engage in surface-level technical and behavioral discussions.

The 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 Data Scientist role at Sri Tech Solutions Inc. is usually conducted through virtual means, including video conferences and screen sharing. Questions in this 1-hour interview stage may revolve around data systems, ETL pipelines, and SQL queries.

In the case of data scientist roles, take-home assignments regarding market mix modeling, data analytics, and data visualization may be incorporated. Apart from these, your proficiency in hypothesis testing, probability distributions, and machine learning fundamentals may also be assessed during the round.

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

Onsite Interview Rounds

Following 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 Sri Tech Solutions office. Your technical prowess, including programming and machine learning modeling capabilities, 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 Data Scientist role at Sri Tech Solutions Inc.

Quick Tips For Sri Tech Solutions Inc. Data Scientist Interviews

Here are three tips for acing your interview at Sri Tech Solutions Inc.:

• Understand Market Mix Modelling: Given the importance of market mix modeling for this role, brush up on your understanding of various models and how they impact business performance.
• Be Data-Driven: The company places high importance on data-centric decision-making. Prepare to discuss your experience with statistical tools and how you've used data to drive business insights.
• Communicate Clearly: Effective communication of complex data and insights to non-technical stakeholders is key. Practice simplifying technical jargon and focus on storytelling through data.

Typically, interviews at Sri Tech Solutions Inc. vary by role and team, but commonly Data Scientist 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? A B2B SAAS company wants to test 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 a $5 coupon initiative in a ride-sharing app? A ride-sharing app has a probability (p) of dispensing a $5 coupon to a rider and services (N) riders. Calculate the total budget needed for the coupon initiative.

• What is the probability of both or only one rider getting a coupon? A driver using the app picks up two passengers. Determine the probability of both riders getting the coupon and the probability that only one of them will get the coupon.

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

• What is the probability that item X is found on Amazon's website? Amazon has a warehouse system where item X is available at warehouse A with a probability of 0.6 and at warehouse B with a probability of 0.8. Given that items are only listed on the website if they exist in the distribution centers, calculate the probability that item X would be found on Amazon's website.

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

• What are time series models and why are they needed? Describe what time series models are and explain why they are necessary when less complicated regression models are available.

• 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? How would you evaluate its performance before and after deployment?

• How does random forest generate the forest, and why use it over logistic regression? Explain how random forest generates its forest. Additionally, why would you choose random forest over other algorithms like 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 to three different audiences: a child, a first-year college student, and a seasoned mathematician. Tailor your explanations to each audience's understanding level.

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

Embark on an exhilarating journey with Sri Tech Solutions Inc. as a Business-Facing Data Scientist, where you'll become the cornerstone of data-driven strategies, propelling the client's business growth and profitability. Forge impactful Market Mix Models, uncover potent insights from vast datasets, and collaborate with cross-functional teams to shape strategic decisions. This role demands proficiencies in data analysis, predictive modeling, and exceptional communication skills to empower non-technical stakeholders.

For more insights into the company and the Data Scientist interview process, check out our main Sri Tech Solutions Inc. Interview Guide. We’ve also crafted interview guides for other positions, like software engineer and data analyst, to help you gain a comprehensive understanding of Sri Tech Solutions Inc.'s interview processes.

At Interview Query, our mission is to empower you with the ultimate toolkit, providing you the confidence, knowledge, and strategic guidance to ace any Data Scientist interview.

Discover all of our company interview guides for detailed preparation. If you have any questions, feel free to reach out to us.

Good luck with your interview!