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Harness Interview Questions

A/B Testing

Algorithms

Analytics

Machine Learning

Probability

Product Metrics

Python

Statistics

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<p>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.</p>

<p>What factors could have biased this result, and what would you look into?</p>


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

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?

<p>You are testing hundreds of hypotheses with many <em>t</em>-tests. What considerations should be made?</p>


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

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?

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


<p>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?</p>

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

Harness Salaries by Position

<div><h2>Senior/Staff Product Manager, Continuous Delivery</h2><p>Harness is a high-growth company that is disrupting the software delivery market. Our mission is to enable the 30 million software developers in the world to deliver code to their users reliably, efficiently, securely and quickly, increasing customers' pace of innovation while improving the developer experience. We offer solutions for every step of the software delivery lifecycle to build, test, secure, deploy and manage reliability, feature flags and cloud costs. The Harness Software Delivery Platform includes modules for CI, CD, Cloud Cost Management, Feature Flags, Service Reliability Management, Security Testing Orchestration, Chaos Engineering, Software Engineering Insights and continues to expand at an incredibly fast pace.</p><p>Harness is led by technologist and entrepreneur Jyoti Bansal, who founded AppDynamics and sold it to Cisco for $3.7B. We're backed with $425M in venture financing from top-tier VC and strategic firms, including J.P. Morgan, Capital One Ventures, Citi Ventures, ServiceNow, Splunk Ventures, Norwest Venture Partners, Adage Capital Partners, Balyasny Asset Management, Gaingels, Harmonic Growth Partners, Menlo Ventures, IVP, Unusual Ventures, GV (formerly Google Ventures), Alkeon Capital, Battery Ventures, Sorenson Capital, and Silicon Valley Bank.</p><h3>Position Summary</h3><p>Harness is looking for a Senior/Principal Product Manager, Continuous Delivery to drive the definition, development and adoption of our core Continuous Delivery module, and ensure end-to-end success. In this role, you will manage the critical swim lanes of the Continuous Delivery module that enables customers to run their CI/CD pipelines with highest levels of security, reliability and manageability. This is a high impact, high visibility role that requires immense cross-functional execution spanning Engineering, Sales, Marketing, UX, Research, Customer Success and Support.</p><h3>About the Role</h3><ul><li>Own the "whole" product experience</li><li>Engage with customers, develop insights into what is possible, and uncover unarticulated customer needs to drive customer success</li><li>Build product roadmap based on customers needs, market, and technology trends</li><li>Define product specs, user stories, mockups, and acceptance criteria in collaboration with other module PMs, engineering or independently</li><li>Interact and collaborate with Support, Customer Success, and field teams, to understand customer issues and drive business outcomes</li><li>Collaborate with Engineering, QA, SRE, and release teams to plan, drive and execute product release cycles.</li><li>Collaborate with product marketing to support the creation of customer-driven messaging and content</li></ul><h3>About You</h3><ul><li>You are a hands-on product owner driven by data and research</li><li>You are a creative and passionate problem solver</li><li>You are able to think big while charting small steps towards the end goal</li><li>You are obsessed with customer research and design thinking</li><li>You can bring qualitative and quantitative insights together to drive sound decision making</li><li>You are obsessed with the little details and constantly optimizing for simplicity</li></ul><h3>Requirements</h3><ul><li>5+ years of experience in product management with SaaS/Cloud companies</li><li>5+ years of experience in DevOps or infrastructure software</li><li>Comfortable with Kubernetes & containers</li><li>Good understanding of AWS, Google Cloud, Microsoft Azure</li><li>Experience working with AI/ML-powered verification, anomaly detection. Knowledge of MLOps is a plus.</li><li>Strong analytical skills and data-driven product decision-making mindset</li><li>Strong communication skills, verbal and written</li></ul><h3>Work Location</h3><p>Hybrid role- This position requires 3 days a week onsite in our Mountain View, CA role</p><h3>What You Will Have At Harness</h3><ul><li>Competitive salary</li><li>Comprehensive healthcare benefits</li><li>Flexible Spending Account (FSA)</li><li>Flexible work schedule</li><li>Employee Assistance Program (EAP)</li><li>Flexible Time Off and Parental Leave</li><li>Monthly, quarterly, and annual social and team building events</li><li>Monthly internet reimbursement</li></ul><p>The anticipated base salary range for this position is $210,000-$220,000 annually. Salary is determined by a combination of factors including location, level, relevant experience, and skills. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations. The compensation package for this position may also include equity, and benefits. More details about our company benefits can be found at the following link.</p><p>All qualified applicants will receive consideration for employment without regard to race, color, religion, sex or national origin.</p><p>Note on Fraudulent Recruiting/Offers</p><p>We have become aware that there may be fraudulent recruiting attempts being made by people posing as representatives of Harness. These scams may involve fake job postings, unsolicited emails, or messages claiming to be from our recruiters or hiring managers.</p><p>Please note, we do not ask for sensitive or financial information via chat, text, or social media, and any email communications will come from the domain @harness.io. Additionally, Harness will never ask for any payment, fee to be paid, or purchases to be made by a job applicant. All applicants are encouraged to apply directly to our open jobs via our website. Interviews are generally conducted via Zoom video conference unless the candidate requests other accommodations.</p><p>If you believe that you have been the target of an interview/offer scam by someone posing as a representative of Harness, please do not provide any personal or financial information and contact us immediately at security@harness.io. You can also find additional information about this type of scam and report any fraudulent employment offers via the Federal Trade Commission's website, or you can contact your local law enforcement agency.</p></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

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