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Alarm.com Interview Questions

A/B Testing

Algorithms

Analytics

Machine Learning

Probability

Product Metrics

Python

Statistics

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Suppose there exists a new airline named Jetco that flies domestically across North America. Jetco recently had a study commissioned that tested the boarding time of every airline, and it came out that Jetco had the fastest average boarding times of any airline.

What factors could have biased this result, and what would you look into?

What could potentially bias the average boarding time in favor of an airline that only flies domestically?

What could potentially bias the average boarding time in favor of an airline that only flies domestically?

Boarding Times Bias

A new airline came out as the fastest average boarding times compared to other airlines.  What factors could have biased this result and what would you look into?

You are testing hundreds of hypotheses with many t-tests. What considerations should be made?

What is a key disadvantage of the F-test when compared to multiple t-tests?

What is a key disadvantage of the F-test when compared to multiple t-tests?

Hundreds of Hypotheses

You are testing hundreds of hypotheses with many t-tests. What considerations should be made?

In an A/B test, how can you check if assignment to the various buckets was truly random?

In an A/B test, which of the following is a common method to determine if the assignment to the test groups was truly random?

In an A/B test, which of the following is a common method to determine if the assignment to the test groups was truly random?

Random Bucketing

A/B Testing & Experimentation

Alarm.com Salaries by Position

<h3>Job Description</h3><div>Job Description<div>Software Engineer II Do you love tinkering with devices? Have you automated your own home? Do you love working with a highly motivated team of talented engineers?If the above holds true for you, then we would love to talk to you! Alarm.com is looking for a versatile Software Engineer II to join our Building36 team. We're doing work in smart home technology, HVAC analytics, large scale data processing, and much more. You'll have the opportunity to work across a variety of technology domains and own projects from design to deployment.Very few companies innovate and develop across such a broad range of technologies as Alarm.com. This position is ideal for the candidate who seeks a friendly company culture where one can work closely with smart and highly productive people. Getting to work with cutting edge software and hardware to develop outstanding consumer products is the icing on the cake.WHAT CAN YOU DO FOR ALARM.COM?<ul><li>Develop full stack software for a wide variety of platforms and technologies.</li><li>Engage in the research, evaluation, and application of new technologies and methodologies to solve challenging problems.</li><li>Take part in the entire project life cycle, from requirements development to deployment and beyond.</li><li>Work hard and be flexible: we have quick development cycles, evolving requirements, and lots of cross-team collaboration.</li><li>Exercise good judgment. Know when to work quickly, and when to build a robust solution. Your work will be used by multiple business units, so you will need to consider many use cases when developing.</li><li>Bring your ideas! We want our engineers to collaborate on product development.</li><li>Other duties as assigned.</li></ul>WHAT DO YOU NEED?<ul><li>Bachelor's in Computer Science, Computer Engineering, a related field or equivalent work experience</li><li>Two or more years of professional software development experience</li><li>Strong object-oriented programming skills with proficiency in C# and .NET preferred</li><li>Experience with database design, SQL, and backend development</li><li>Knowledge of networking concepts, principles, and technologies</li><li>Experience working with hardware and device development a major plus</li><li>A curious mindset and a desire to continuously learn and improve.</li></ul>Please note that sponsorship of new applicants for employment authorization, or any other immigration-related support, is not available for this position at this time.WHY WORK FOR ALARM.COM?<ul><li>Collaborate with outstanding people: We hire only the best. Our standards are high and our employees enjoy working alongside other high achievers. You will be able to learn something new and impart your knowledge across the team.</li><li>Make an immediate impact: New employees can expect to be given real responsibility for bringing new technologies to the marketplace. You are empowered to perform as soon as you join the Alarm.com team!</li><li>Work with real stuff: You will write code that interacts with the physical world. You'll be able to see your work in action with the numerous IoT devices we work with every day.</li><li>Gain well rounded experience: Alarm.com offers a diverse and dynamic environment where you will get the chance to work directly with all stakeholder levels and develop expertise across multiple areas of the business.</li><li>Work with the latest technologies: You'll gain exposure to a broad spectrum of IoT and SaaS technology. Our tech stack includes C#, .NET, SQL Server, Kafka, REST/gRPC, as well as native iOS and Android applications.</li><li>Focus on fun: Alarm.com places high value on our team culture. We even have a committee dedicated to hosting a stand-out holiday party, happy hours, and other fun corporate events.</li><li>Alarm.com values working together and collaborating in person. Our employees work from the office 4 days a week.</li></ul>COMPANY INFOAlarm.com is the leading cloud-based platform for smart security and the Internet of Things. More than 7.6 million home and business owners depend on our solutions every day to make their properties safer, smarter, and more efficient. And every day, we're innovating new technologies in rapidly evolving spaces including AI, video analytics, facial recognition, machine learning, energy analytics, and more. We're seeking those who are passionate about creating change through technology and who want to make a lasting impact on the world around them. For more information, please visit www.alarm.com.COMPANY BENEFITSAlarm.com offers competitive pay and benefits inclusive of subsidized medical plan options, an HSA with generous company contribution, a 401(k) with employer match, and paid holidays, wellness time, and vacation increasing with tenure. Paid maternity and bonding leave, company-paid disability and life insurance, FSAs, well-being resources and activities, and a casual dress work environment are also part of our outstanding total rewards package!Alarm.com is an Equal Opportunity EmployerIn connection with your application, we collect information that identifies, reasonably relates to or describes you ("Personal Information"). The categories of Personal Information that we may collect include your name, government-issued identification number(s), email address, mailing address, other contact information, emergency contact information, employment history, educational history, criminal record, and demographic information. We collect and use those categories of Personal Information about you for human resources and other business management purposes, including identifying and evaluating you as a candidate for potential or future employment or future positions, recordkeeping in relation to recruiting and hiring, conducting criminal background checks as permitted by law, conducting analytics, and ensuring compliance with applicable legal requirements and Company policies. By submitting your application, you acknowledge that we may retain some of the personal data that you provide in your application for our internal operations such as managing our recruitment system and ensuring that we comply with labor laws and regulations even after we have made our employment decision.Notice To Third Party Agencies: Alarm.com understands the value of professional recruiting services. However, we are not accepting resumes from recruiters or employment agencies for this position. In the event we receive a resume or candidate referral for this position from a third-party recruiter or agency without a previously signed agreement, we reserve the right to pursue and hire those candidate(s) without any financial obligation to you. If you are interested in working with Alarm.com, please email your company information and standard agreement to RecruitingPartnerships@Alarm.com.#LI-KM1JR105446<div><div>The salary range of this opportunity is listed below and is determined within a range based on factors including qualifications, location and experience. This allows opportunity for growth and development within the role. The salary offered is part of a total compensation package. </div><div>Pay Range</div><div>$120,000—$135,000 USD</div></div></div></div>

Question	Topic	Difficulty	Ask Chance
Boarding Times Bias	Statistics	Medium	Very High
Hundreds of Hypotheses	Statistics	Medium	Very High
Random Bucketing	A/B Testing & Experimentation	Medium	Very High

Alarm.com Interview Questions

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