Wizeline is a global digital services company assisting mid-size to Fortune 500 firms in building, scaling, and delivering high-quality digital products and services. We specialize in human-centered experiences, digital core modernization, and intelligence through AI/ML and data, ensuring our clients can seamlessly integrate technology into their core business.

As a Software Engineer at Wizeline, you will champion cutting-edge technology to create intelligent, scalable products. You'll partner with clients from start to finish, architecting reusable front-end systems and translating requirements into top-notch applications. In collaboration with multidisciplinary teams across the globe, you'll tackle challenging problems while driving internal initiatives.

If you're ready to join a dynamic team, this guide by Interview Query is your essential resource for acing the Wizeline interview process. 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 Wizeline as a Software Engineer. Whether you were contacted by a Wizeline 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 Wizeline 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 Wizeline Software Engineer hiring manager stays 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 Wizeline Software Engineer role usually is conducted through virtual means, including video conference and screen sharing. Questions in this 1-hour long interview stage may revolve around GoLang, JavaScript, APIs, and other technologies mentioned in the job description.

In the case of Software Engineer roles, take-home assignments regarding system design, architecture, and coding challenges are incorporated. Apart from these, your proficiency in clean code practices, unit testing, and software architecture principles 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 Wizeline office. Your technical prowess, including programming and system design 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 Wizeline.

Quick Tips For Wizeline Software Engineer Interviews

• Understand Wizeline’s Core Technologies: Besides GoLang and JavaScript, being familiar with APIs, data structures, and other technologies mentioned in the job postings will be beneficial. Brush up on these technologies before the interview.
• Demonstrate Your Problem-Solving Skills: Wizeline values problem-solving skills. Practice coding challenges and past interview questions which you can find on platforms like Interview Query.
• Showcase Your Cultural Fit: Wizeline prides itself on its inclusive culture and values around diversity, innovation, and community. Be prepared to answer behavioral questions that reflect your ability to fit into this culture.

Typically, interviews at Wizeline 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 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 rider 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 if 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.

What is the average salary for a Software Engineer at Wizeline?

Q: What does Wizeline specialize in?

Wizeline is a global digital services company helping mid-size to Fortune 500 companies build, scale, and deliver high-quality digital products and services. The company's specialties include human-centered experiences, digital core modernization, and leveraging AI/ML and data to solve customer challenges.

Q: What is the company culture like at Wizeline?

At Wizeline, the culture is built on values of Ownership, Innovation, Community, and Diversity & Inclusion. They are committed to fostering an environment where everyone can thrive. Wizeline also emphasizes career growth and learning opportunities through various programs and initiatives.

Q: What can I expect to do as a Software Engineer at Wizeline?

As a Software Engineer at Wizeline, you will use cutting-edge technology to build scalable, intelligent products. You'll partner with multidisciplinary teams, engage with clients from inception to completion, and drive internal initiatives. You'll also develop your skills while working on diverse projects for multinational brands.

Q: What skills are required for the Software Engineer position at Wizeline?

Essential skills for a Software Engineer at Wizeline include experience in relevant coding languages (like Golang, JavaScript, React, etc.), unit testing, clean code practices, and familiarity with APIs, OpenSearch, and cloud platforms such as AWS. Strong problem-solving abilities, communication skills, and a team-player attitude are also crucial.

Q: How can I prepare for an interview at Wizeline?

To prepare for an interview at Wizeline, you should research the company, review the job description, and brush up on your technical skills. Utilize Interview Query to practice common interview questions and scenarios. Be ready to discuss your experiences and how they align with the role you are applying for.

Embarking on a career at Wizeline offers not just a job, but a meaningful opportunity to impact thriving global tech ecosystems and collaborate with some of the industry's brightest minds. With a deep commitment to innovation, diversity, and community, Wizeline is an environment where you can grow both personally and professionally. If you're ready to tackle exciting challenges and be part of a company that values ownership, creativity, and continuous learning, Wizeline is for you. For more insights into the company's interview process and preparation tips, explore our comprehensive Wizeline Interview Guide. At Interview Query, we equip you with the knowledge and strategies to ace your interview and land your dream role. Good luck with your interview!