Collabera Company Overview

Collabera is a global leader in IT services and consulting, renowned for its dedication to crafting innovative solutions that bridge technology and talent. With a network spanning 11 countries and over 25 offices, Collabera serves over 300 clients, including a significant number of Fortune 500 companies.

Software Engineer Position

Step into the realm of software engineering with Collabera and collaborate on cutting-edge projects in Java, SpringBoot, and Microservices. A strong foundation in programming, design principles, and problem-solving will be your toolkit. The role encompasses a blend of technical and managerial interviews, emphasizing your coding, system design, and implementation skills. Experience a seamless and supportive interview process with quick feedback and engaging challenges.

For those ready to elevate their careers, this guide will help navigate through Collabera's technical and HR interview stages, ensuring you're well-prepared every step of the way.

Submitting Your Application

The first step is to submit a compelling application that reflects your technical skills and interest in joining Collabera as a Software Engineer. Whether you were contacted by a Collabera recruiter 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.

Recruiter/Hiring Manager Call Screening

If your CV happens to be among the shortlisted few, a recruiter from the Collabera 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 Collabera hiring manager might stay 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 whole recruiter call should take about 30 minutes.

Online Written Test

You will be given an online written test focusing on programming and problem-solving related questions, specifically Java, Spring Boot, and Microservices. The written test will include both theory and coding questions. This stage serves as a preliminary filter to assess your technical acumen.

Technical Virtual Interview

Successfully navigating the recruiter round and written test will present you with an invitation for the technical screening round. Technical screening for the Collabera Software Engineer role usually is conducted through virtual means, including video conference and screen sharing.

Questions in this interview will revolve around Java 8, Spring Boot, and Microservices. You may also encounter coding questions on Java 8 Streams and Spring Security.

Depending on the seniority of the position, more complex 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. Your technical prowess, including programming 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 Software Engineer role at Collabera.

Quick Tips For Collabera Software Engineer Interviews

• Brush up on Core Technologies: Make sure you have a strong understanding of Java 8, Spring Boot, and Microservices, as these technologies are commonly featured in the interview process.
• Be Clear on Your Role and Responsibilities: Be prepared to discuss your current roles and responsibilities in detail, including any relevant projects or achievements.
• Fast Response Times: Collabera has a fast and efficient interview process. Be prepared to respond quickly to emails and calls from recruiters to ensure your application stays on track.

Typically, interviews at Collabera vary by role and team, but commonly Software Engineer interviews follow a fairly standardized process across these question topics.

• Write a query to get the top 3 highest employee salaries by department. Given the employees and departments table, write a query to get the top 3 highest employee salaries by department. If the department contains less than 3 employees, the top 2 or the top 1 highest salaries should be listed. The output should include the full name of the employee in one column, the department name, and the salary. The output should be sorted by department name in ascending order and salary in descending order.

• 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. How would you determine the mouse's location 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. How would you decide which Dashers to select for these deliveries? Would the criteria for selection be the same for both cities?

• What factors could bias Jetco's study on boarding times? Jetco, a new airline, had a study showing it has the fastest average boarding times. What factors could have biased this result, and what would you investigate?

• 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. Your project manager asks you to run a two-week A/B test to evaluate a pricing increase. How would you design this test, and how would you determine if the pricing increase 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 and 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 rider will get the coupon? A driver using the app picks up two passengers. Determine the probability that only one of them will receive the coupon.

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

• What is the probability that item X would be found on Amazon's website? Given that item X has a probability of 0.6 of being available at warehouse A and 0.8 at warehouse B, calculate the probability that item X would be found on Amazon's website.

• Is this a fair coin? You flip a coin 10 times, resulting in 8 tails and 2 heads. Determine if the coin is fair based on these results.

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

• 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, tailoring each explanation to their understanding level.

• What happens when you run logistic regression on perfectly linearly separable data? Given a dataset of perfectly linearly separable data, describe the outcome when logistic regression is applied.

• How would you evaluate and validate a decision tree model for predicting loan repayment? As a data scientist at a bank, you need to build a decision tree model to predict loan repayment. Explain how you would evaluate if a decision tree is the right model and how you would assess its performance before and after deployment.

• How would you justify using a neural network model to non-technical stakeholders? If tasked with building a neural network model to solve a business problem, explain how you would justify the model's complexity and interpret its predictions for non-technical stakeholders.

• How does random forest generate the forest and why use it over logistic regression? Describe the process by which random forest generates its ensemble of trees and explain why it might be preferred over logistic regression for certain problems.

Conclusion

Interviewing for the Software Engineer position at Collabera could be a rewarding experience given the company's commitment to smooth and efficient processes. Candidates have reported a variety of experiences, with many highlighting the quick response times from recruiters, an overall smooth process, and the use of both theoretical and practical questions primarily focused on Java, SpringBoot, and Microservices. While some concerns regarding salary and occasional unprofessional behavior have been noted, many candidates appreciated the prompt communication and structured interview rounds.

If you are preparing for an interview with Collabera, you might want to enhance your readiness by diving into specific Java, SpringBoot, and Microservices concepts, as well as brushing up on Python scripting, data structures, and algorithms.

Want more insights about the company? Check out our main Collabera Interview Guide, where we have covered many potential interview questions. We’ve also created interview guides for various roles including Software Engineer and Data Analyst, revealing more about Collabera's diverse interview processes.

At Interview Query, we empower you to unlock your interview prowess with a comprehensive toolkit, equipping you with the knowledge, confidence, and strategic guidance to conquer every Collabera interview challenge. You can check out all our company interview guides for better preparation, and if you have any questions, don’t hesitate to reach out to us.

Good luck with your interview!