PerformLine is a leading provider of compliance technology, enabling leaders to mitigate regulatory risks across major sales and marketing channels such as web, calls, messages, emails, documents, and social media. Their SaaS platform streamlines workflow capabilities, real-time analytics, remediation, monitoring, and archiving, saving clients significant time and costs.
If you're aiming to join PerformLine as a Software Engineer, prepare for an exciting role where you'll build systems that drive business and aid in client compliance through cutting-edge technological advancements. Responsibilities include debugging distributed applications, optimizing performance, and collaborating with product managers and other engineers to deliver secure and efficient solutions. Join PerformLine to be part of an inclusive team that values diversity and empowers compliance leaders with innovative technology. For more preparation tips, visit Interview Query.
The first step is to submit a compelling application that reflects your technical skills and interest in joining PerformLine Inc. as a Software Engineer. Whether you were contacted by a PerformLine 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.
If your CV happens to be among the shortlisted few, a recruiter from the PerformLine 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 PerformLine Software Engineering 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.
Successfully navigating the recruiter round will present you with an invitation for the technical screening round. Technical screening for the PerformLine 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 PerformLine’s tech stack, including AWS services, Golang, REST APIs, and microservices.
In the case of software engineer roles, take-home assignments regarding system design, coding challenges, or API development are incorporated. Apart from these, your proficiency in debugging, performance optimization, and cloud-based platforms 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.
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 PerformLine office. Your technical prowess, including programming, cloud engineering, and problem-solving 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 PerformLine.
You should plan to brush up on any technical skills and try as many practice interview questions and mock interviews as possible. A few tips for acing your PerformLine interview include:
Typically, interviews at Performline Inc. vary by role and team, but commonly Software Engineer interviews follow a fairly standardized process across these question topics.
How would you set up an A/B test to optimize button color and position for higher click-through rates? A team wants to A/B test changes in a sign-up funnel, such as changing a button from red to blue and/or moving it from the top to the bottom of the page. How would you design this test?
Would you suspect anything unusual if an A/B test with 20 variants shows one significant result? Your manager ran an A/B test with 20 different variants and found one significant result. Would you find this result suspicious?
Why might the average number of comments per user decrease despite user growth in a new city? A social media company launched in a new city and saw a slow decrease in the average number of comments per user from January to March, despite consistent user growth. What could be the reasons, and what metrics would you investigate?
What metrics would you use to determine the value of each marketing channel for a B2B company? Given all the different marketing channels and their respective costs for a company selling B2B analytics dashboards, what metrics would you use to assess the value of each channel?
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. How would you determine the mouse's location using the fewest scans?
Create a function find_bigrams
to return a list of all bigrams in a sentence.
Write a function called find_bigrams
that takes a sentence or paragraph of strings and returns a list of all its bigrams in order. A bigram is a pair of consecutive words.
Write a query to get the last transaction for each day from a table of bank transactions.
Given a table of bank transactions with columns id
, transaction_value
, and created_at
, write a query to get the last transaction for each day. The output should include the id, datetime, and transaction amount, ordered by datetime.
Create a function find_change
to find the minimum number of coins for a given amount.
Write a function find_change
to find the minimum number of coins that make up the given amount of change cents
. Assume we only have coins of value 1, 5, 10, and 25 cents.
Design 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
.
Create a function calculate_rmse
to compute the root mean squared error.
Write a function calculate_rmse
to calculate the root mean squared error of a regression model. The function should take in two lists, one representing the predictions y_pred
and another with the target values y_true
.
Suppose we have 1 ad, rated as bad. What's the probability the rater was lazy?
Write a function to simulate coin tosses with a given probability of heads. Create a function that takes the number of tosses and the probability of heads as input and returns a list of randomly generated results ('H' for heads, 'T' for tails).
Example 1:
python
tosses = 5
probability_of_heads = 0.6
Output:
python
coin_toss(tosses, probability_of_heads) -> ['H', 'T', 'H', 'H', 'T']
Example 2:
python
tosses = 3
probability_of_heads = 0.2
Output:
python
coin_toss(tosses, probability_of_heads) -> ['T', 'T', 'T']
Example:
python
test_list = [6, 7, 3, 9, 10, 15]
Output:
python
get_variance(test_list) -> 13.89
What's the probability of rolling at least one 3 given (N) dice?
What is the probability of finding an item on Amazon's website given its availability in warehouses? Given that the probability of item X being available at warehouse A is 0.6 and at warehouse B is 0.8, what is the probability that item X would be found on Amazon's website?
What kind of model did the co-worker develop for loan approval? Your co-worker developed a model that takes customer inputs and returns if a loan should be given or not. Identify the type of model used.
How would you measure the difference between two credit risk models? Given that personal loans are monthly installments, how would you compare the performance of two credit risk models within a specific timeframe?
What metrics would you track to measure the success of the new credit risk model? Identify the key metrics to track in order to measure the success of a new credit risk model for personal loans.
What metrics would you use to track the accuracy and validity of a spam classifier model? Assume you have built a V1 of a spam classifier for emails. What metrics would you use to evaluate its accuracy and validity?
What are the key differences between classification models and regression models? Explain the main differences between classification models and regression models.
When would you use a bagging algorithm versus a boosting algorithm? Compare two machine learning algorithms and explain the tradeoffs between using a bagging algorithm and a boosting algorithm.
What would happen when you run logistic regression on perfectly linearly separable data? Describe the outcome of running logistic regression on a dataset that is perfectly linearly separable.
Q: What role does PerformLine play in the compliance industry? PerformLine is a category-leading SaaS company that empowers leaders with end-to-end marketing compliance technology. The platform automates the review, discovery, live monitoring, and remediation of compliance across multiple consumer-facing channels, including web, calls, messaging, emails, and social media. We help some of the world's largest companies proactively manage and mitigate potential regulatory risks.
Q: What is the company culture like at PerformLine? PerformLine is an equal opportunity workplace that celebrates diversity and is committed to creating an inclusive and equitable experience for all. We emphasize continual improvement, intellectual humility, and collaboration. The company culture is supportive and encourages a positive, can-do attitude.
Q: What technical skills and experience are required for a Software Engineer at PerformLine? We look for candidates with 5+ years of backend engineering experience for cloud-based platforms, hands-on experience in Golang backend engineering, and experience creating services in REST API. Knowledge of Python, Django, and microservices development is highly valued. Bonus points for experience with Apache Airflow, DevOps, SysAdmin, or Golang.
Q: What are the key responsibilities of a Software Engineer at PerformLine? As a Software Engineer, you will build systems that drive the business, develop service-centric cloud-based product platforms, debug distributed applications using REST and message queues, and integrate with internal and external products and services. You will also work closely with other software engineers and product managers to get products and features delivered securely and efficiently.
Q: How can I prepare for the PerformLine interview? To prepare for your interview at PerformLine, review the company's mission, culture, and job description thoroughly. Practice common interview questions and focus on the technical skills required. Use Interview Query to simulate the interview environment and sharpen your problem-solving abilities.
Ready to join a dynamic team that revolutionizes compliance technology for some of the world's largest companies? At PerformLine, not only will you innovate with cutting-edge SaaS tools, but you'll also empower leaders and ensure brand safety across various communication channels. Dive into an inclusive environment that celebrates diversity, and bring your expertise in backend engineering, cloud-based platforms, and agile workflows to new heights.
If you want more insights about the company, check out our main PerformLine Inc. Interview Guide, where we have covered many interview questions that could be asked. We’ve also created interview guides for other roles, such as software engineer and data analyst, where you can learn more about PerformLine Inc.’s interview process for different positions.
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 PerformLine Inc. software engineer interview question and 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!