Sri Tech Solutions Inc. is a dynamic IT and consulting company committed to delivering innovative solutions across various industries. We specialize in diverse technology services, from cloud solutions to embedded systems. As an Embedded Software Engineer at Sri Tech Solutions Inc., you'll join the Navistar Low-Level Software Team in Lisle, IL, on a Contract to Hire basis. This role involves developing ECU software across its lifecycle, including requirement analysis, design, implementation, and testing for both AUTOSAR and non-AUTOSAR ECUs. Ideal candidates should be proficient in C, familiar with CAN (J1939 preferred), and possess strong problem-solving abilities.

In this guide, Interview Query will walk you through the SRI Tech Solutions interview process, common questions, and key insights to help you prepare. Let's get started!

Submitting Your Application

To start your journey as a Software Engineer at Sri Tech Solutions Inc., submit a compelling application that highlights your technical skills and conveys your enthusiasm for the position. Review the job description carefully and tailor your resume to match the listed prerequisites. This may include identifying specific keywords that the hiring manager might focus on and crafting a targeted cover letter. Highlight your relevant skills and work experiences to make your application stand out.

Recruiter/Hiring Manager Call Screening

If your resume is among the shortlisted ones, a recruiter from the Sri Tech Solutions Talent Acquisition Team will contact you to verify key details such as your experiences and skill level. Behavioral questions might also be part of this initial screening process.

In some instances, the hiring manager might join the call to discuss the role and the company. Be prepared to answer surface-level technical and behavioral questions. The recruiter call typically lasts about 30 minutes.

Technical Virtual Interview

Passing the recruiter round will earn you an invitation for the technical screening round, usually conducted virtually via video conference and screen sharing. During this 1-hour long interview, expect questions focused on ECU software development life cycle, configuration, and implementation in C, as well as your experience with CAN (J1939 preferred) and AUTOSAR.

Projects or tasks that mirror real-world situations may also be incorporated, assessing your knowledge in embedded software development, debugging, and requirement analysis.

Onsite Interview Rounds

Following another recruiter call to outline the next steps, you’ll be invited to attend the onsite interview loop. During your day at the Sri Tech Solutions office, you may go through multiple interview rounds to gauge your technical proficiency, software testing capabilities, and team collaboration skills.

If you were given take-home exercises, you'll likely present your solutions during the onsite interview. Prepare to demonstrate your leadership skills and technical knowledge thoroughly.

Quick Tips For Sri Tech Solutions Software Engineer Interviews

• Understand Embedded Systems: Familiarize yourself with ECU software development, AUTOSAR, and non-AUTOSAR ECUs. This will show your readiness and fit for the role.

• Practice Problem-Solving: Refine your problem-solving and debugging skills using tools like CANalyzer and debuggers, as questions will likely explore these areas.

• Collaborative Mindset: Demonstrate your ability to work effectively within a team and participate in cross-functional collaboration. Highlight instances where you have successfully contributed to a team environment.

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Typically, interviews at Sri Tech Solutions Inc. vary by role and team, but commonly Software Engineer 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 cell. 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 a ride-sharing app budget for a $5 coupon initiative? 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 riders getting a coupon? A driver using the app picks up two passengers. Determine:

• The probability of both riders getting the coupon.

• 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 items are located at different distribution centers. In one city, the probabilities that item X is available at warehouse A or warehouse B are 0.6 and 0.8 respectively. Given that items are only found 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 fair if it comes up tails 8 times out of 10 flips? 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 this 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 how would you assess 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 of trees. Additionally, discuss why one might 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. Ensure your explanations are tailored 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.

What is the average salary for a Software Engineer at Sri Tech Solutions Inc.?

Q: What are the primary responsibilities for the Embedded Software Engineer position at Sri Tech Solutions Inc.?
The Embedded Software Engineer at Sri Tech Solutions Inc. is responsible for ECU software development across the full software development life cycle, including requirements analysis, design, implementation, and testing. This includes working on AUTOSAR and non-AUTOSAR ECUs, software component configuration, and collaborating within a team structure.

Q: What skills are required to be successful in the Embedded Software Engineer role?
To be successful, candidates should be fluent in C, experienced with embedded software development and testing tools, and knowledgeable in CAN (preferably J1939). Familiarity with development frameworks, software architecture, AUTOSAR, RTOS, and experience with ECU software design is also highly beneficial.

Q: How is the work environment and team structure at Sri Tech Solutions Inc.?
Sri Tech Solutions Inc. promotes a collaborative, team-oriented environment. Engineers are expected to support their colleagues' activities, participate in reviews and technical discussions, and work with team members located at multiple sites. Minimal supervision is anticipated, emphasizing the importance of self-management and technical leadership.

Q: What type of projects will the Embedded Software Engineer be working on?
Engineers will work on various projects, including ECU development that involves both AUTOSAR and non-AUTOSAR implementations. Tasks include software configuration, writing software requirements, performing design and implementation, and conducting thorough testing.

Q: How can I prepare for the interview process at Sri Tech Solutions Inc.?
To prepare for an interview at Sri Tech Solutions Inc., practice relevant technical skills, and be prepared to discuss your experience in embedded software engineering, particularly with C and ECU development. Utilizing resources like Interview Query for mock interviews and review of technical concepts can also be beneficial.

If you're ready to embark on a career journey with Sri Tech Solutions Inc., we encourage you to explore our detailed Sri Tech Solutions Interview Guide. Here, you'll find a wealth of resources, including common interview questions and tips for various roles such as embedded software engineer and other technical positions. At Interview Query, we provide the knowledge, confidence, and strategic guidance needed to excel in your interview. Check out our company interview guides for comprehensive preparation, and feel free to reach out if you have any questions. Best of luck with your interview!