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Cohesity Interview Questions

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Let’s say that your company is running a standard control and variant AB test on a feature to increase conversion rates on the landing page. The PM checks the results and finds a .04 p-value.

How would you assess the validity of the result?

Experiment Validity

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?

Let’s say we have a table with an <code>id</code> and <code>name</code> fields. The table holds over 100 million rows and we want to sample a random row in the table without throttling the database.

Write a query to randomly sample a row from this table.

Input:

<code>big_table</code> table

<table>
<thead>
<tr>
<th>Columns</th>
<th>Type</th>
</tr>
</thead>

<tbody>
<tr>
<td><code>id</code></td>
<td>INTEGER</td>
</tr>

<tr>
<td><code>name</code></td>
<td>VARCHAR</td>
</tr>
</tbody>
</table>

Write a query to randomly sample a row from a big table.

Random SQL Sample

Cohesity Salaries by Position

Cohesity is a leader in AI-powered data security and management. Aided by an extensive ecosystem of partners, Cohesity makes it easy to secure, protect, manage, and get value from data - across the data center, edge, and cloud. Cohesity helps organizations defend against cybersecurity threats with comprehensive data security and management capabilities, including immutable backup snapshots, AI-based threat detection, monitoring for malicious behavior, and rapid recovery at scale. We've been named a Leader by multiple analyst firms and have been globally recognized for Innovation, Product Strength, and Simplicity in Design. Join us on our mission to shape the future of our industry. Want to help us simplify the world of data management? Cohesity offers a web-scale, hybrid cloud infrastructure for data management. We are looking for Software Engineers who are motivated and hardworking and strive to improve Cohesity's Products and by working on features, tools, scripts that will make them easy to sell, deploy and maintain. You are not only a Software Engineer who crafts and implements features but should have a curiosity about diagnosing problems in large bodies of complex code, Also is able to comprehend scalability and performance and work on fixes with rapid turnaround time and high-quality results. Along with being part of our Product and Sustenance Engineering team, you will also be collaborating with Product Managers and more importantly with Customer Support, System Engineers and Customers. Role Overview: Ideal candidate is passionate about software development and quality, has an intuitive understanding of the scale and performance limits of every layer in the hardware/software stack, has the intellectual rigor to reason about the theoretical limits of our software architecture and own the areas with the highest impact. Key Responsibilities: Design, develop, and maintain distributed software systems using C++, Golang and Java on Linux Collaborate with cross-functional teams to define, design, and ship new features Identify and correct performance/scale bottlenecks in the code Help maintain code quality by automation of test cases Conduct code reviews and provide constructive feedback to team members Mentor and guide junior engineers Stay up-to-date with the latest industry trends and technologies Analyze failures, root cause issues, file defects, follow up with developers, documentation and other teams on the resolution Able to derive meaningful insights from the collected data, articulate findings effectively with senior team members to troubleshoot issues in customer environments Requirements: Understanding of storage concepts and working experience in the storage domain is a must Creative, independent, self-motivated and willing to learn new technology Knowledge of distributed systems architecture and performance Proficiency in any of C++, Java, or Go programming languages Good understanding of Git Experience in building large-scale distributed systems (filesystems, databases, storage, map-reduce frameworks, etc.) Experience with systems performance analysis using techniques like CPU profiling, tracing by using standard linux tools Strong analytical , troubleshooting and problem solving skills Collaborate with different Development Teams, PMs and Support, to drive the closure on requirements and provide necessary performance metrics/solutions Creative, independent, self-motivated and willing to learn new technology. Good communication skills Guiding and helping team members Disclosure Pursuant to Applicable State Equal Pay Transparency Laws - This position has a starting pay range as listed below. Actual salary depends upon many factors, including a candidate's skills, qualifications and experience, location, and salary expectations, and therefore a starting salary at the low end, high end, or even above the stated range may be offered. This position may also be eligible for bonus compensation, commission (if in a sales function), and/or equity grants. Additionally, full-time employees are eligible to participate in our comprehensive benefits framework, including health and wellness benefits, vacation, paid holidays and refresh days, 401(k) retirement plan, life and disability insurance coverages, and other benefits the Company may offer from time to time. US Pay Range $192,000-$240,000 USD Data Privacy Notice for Job Candidates: For information on personal data processing, please see our Privacy Policy. Equal Employment Opportunity Employer (EEOE) Cohesity is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, creed, religion, sex, sexual orientation, national origin or nationality, ancestry, age, disability, gender identity or expression, marital status, veteran status or any other category protected by law. If you are an individual with a disability and require a reasonable accommodation to complete any part of the application process, or are limited in the ability or unable to access or use this online application process and need an alternative method for applying, you may contact us at 1-855-9COHESITY or talentcohesity.com for assistance. In-Office Expectations Cohesity employees who are within a reasonable commute (e.g. within a forty-five (45) minute average travel time) work out of our core offices 2-3 days a week of their choosing.

Cohesity is a leader in AI-powered data security and management. Aided by an extensive ecosystem of partners, Cohesity makes it easy to secure, protect, manage, and get value from data - across the data center, edge, and cloud. Cohesity helps organizations defend against cybersecurity threats with comprehensive data security and management capabilities, including immutable backup snapshots, AI-based threat detection, monitoring for malicious behavior, and rapid recovery at scale. We've been named a Leader by multiple analyst firms and have been globally recognized for Innovation, Product Strength, and Simplicity in Design. Join us on our mission to shape the future of our industry. Want to help us simplify the world of data management? Cohesity offers a web-scale, hybrid cloud infrastructure for data management. We are looking for Software Engineers who are motivated and hardworking and strive to improve Cohesity's Products and by working on features, tools, scripts that will make them easy to sell, deploy and maintain. You are not only a Software Engineer who crafts and implements features but should have a curiosity about diagnosing problems in large bodies of complex code, Also is able to comprehend scalability and performance and work on fixes with rapid turnaround time and high-quality results. Along with being part of our Product and Sustenance Engineering team, you will also be collaborating with Product Managers and more importantly with Customer Support, System Engineers and Customers. Role Overview: Ideal candidate is passionate about software development and quality, has an intuitive understanding of the scale and performance limits of every layer in the hardware/software stack, has the intellectual rigor to reason about the theoretical limits of our software architecture and own the areas with the highest impact. Key Responsibilities: <ul> <li>Design, develop, and maintain distributed software systems using C++, Golang and Java on Linux </li><li>Collaborate with cross-functional teams to define, design, and ship new features </li><li>Identify and correct performance/scale bottlenecks in the code </li> <li>Help maintain code quality by automation of test cases </li><li>Conduct code reviews and provide constructive feedback to team members </li><li>Mentor and guide junior engineers </li><li>Stay up-to-date with the latest industry trends and technologies </li><li>Analyze failures, root cause issues, file defects, follow up with developers, documentation and other teams on the resolution </li><li>Able to derive meaningful insights from the collected data, articulate findings effectively with senior team members to troubleshoot issues in customer environments </li></ul>Requirements: <ul> <li>Understanding of storage concepts and working experience in the storage domain is a must </li><li>Creative, independent, self-motivated and willing to learn new technology </li><li>Knowledge of distributed systems architecture and performance </li><li>Proficiency in any of C++, Java, or Go programming languages </li><li>Good understanding of Git </li><li>Experience in building large-scale distributed systems (filesystems, databases, storage, map-reduce frameworks, etc.) </li><li>Experience with systems performance analysis using techniques like CPU profiling, tracing by using standard linux tools </li><li>Strong analytical , troubleshooting and problem solving skills </li><li>Collaborate with different Development Teams, PMs and Support, to drive the closure on requirements and provide necessary performance metrics/solutions </li><li>Creative, independent, self-motivated and willing to learn new technology. </li><li>Good communication skills </li><li>Guiding and helping team members </li></ul> Disclosure Pursuant to Applicable State Equal Pay Transparency Laws - This position has a starting pay range as listed below. Actual salary depends upon many factors, including a candidate's skills, qualifications and experience, location, and salary expectations, and therefore a starting salary at the low end, high end, or even above the stated range may be offered. This position may also be eligible for bonus compensation, commission (if in a sales function), and/or equity grants. Additionally, full-time employees are eligible to participate in our comprehensive benefits framework, including health and wellness benefits, vacation, paid holidays and refresh days, 401(k) retirement plan, life and disability insurance coverages, and other benefits the Company may offer from time to time. US Pay Range $192,000-$240,000 USD Data Privacy Notice for Job Candidates: For information on personal data processing, please see our Privacy Policy. Equal Employment Opportunity Employer (EEOE) Cohesity is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, creed, religion, sex, sexual orientation, national origin or nationality, ancestry, age, disability, gender identity or expression, marital status, veteran status or any other category protected by law. If you are an individual with a disability and require a reasonable accommodation to complete any part of the application process, or are limited in the ability or unable to access or use this online application process and need an alternative method for applying, you may contact us at 1-855-9COHESITY or talent@cohesity.com for assistance. In-Office Expectations Cohesity employees who are within a reasonable commute (e.g. within a forty-five (45) minute average travel time) work out of our core offices 2-3 days a week of their choosing.

Cohesity is a leader in AI-powered data security and management. Aided by an extensive ecosystem of partners, Cohesity makes it easy to secure, protect, manage, and get value from data - across the data center, edge, and cloud. Cohesity helps organizations defend against cybersecurity threats with comprehensive data security and management capabilities, including immutable backup snapshots, AI-based threat detection, monitoring for malicious behavior, and rapid recovery at scale. We've been named a Leader by multiple analyst firms and have been globally recognized for Innovation, Product Strength, and Simplicity in Design. Join us on our mission to shape the future of our industry. Please Note: the following are requirements for this role: 5+ years of Technical Product Management experience2+ years specializing in Generative AI using LLMs and RAG We are looking for an experienced Senior Technical Product Manager to join our world-class Product team to help define the future of our Data platform. Our mission at Cohesity is simple: to protect, secure, and provide insights into the world's data. The largest organizations around the globe rely on us to strengthen their business resilience.With the Cohesity Data Cloud, we are able to deliver on that mission. Our customers can recover from cyber events faster, manage and secure their data at enterprise scale, and gain valuable insights with our industry-leading AI capabilities. With Cohesity AI we're building a system of intelligence on top of customers data that every company in the world can use. At high level think of it as Google + ChatGPT for the enterprise. Under the hood, our platform is the glue that connects Enterprise data, AI and knowledge at high scale. It brings all of a company's knowledge together, understands it at a deep level, provides industry-leading search relevance over it, and connects it to generative AI agents and applications. What you will do: <ul><li>Own the lifecycle of product initiatives from inception to launch</li><li>Learn how to actually make LLMs useful for complex knowledge management</li><li>Tackle unsolved AI product and eng problems - user experiences for Retrieval Augmented Generation, Agentic Workflows, operational insights over huge amounts of data</li><li>Gather feedback from strategic customers to inform product direction</li><li>Act as the "Voice of the Customer," using your AI perspective to help the broader sales team develop and implement more effective strategies</li><li>Define disrupting business models, pricing packages, & other commercial standards</li><li>Work closely with our CTO office, execs, legal and engg teams</li><li>Help steer the growth of our product & eng organization</li><li>Own Product management responsibilities; collaborate on the product lifecycle from inception to launch & beyond</li><li>Collaborate closely with Engineering, Marketing, Customer Support, User Experience, and Sales Teams</li><li>Follow the agile methodology to execute projects and participate in sprint meetings</li></ul> What you bring along: <ul><li>5+ years of Technical Product Management experience</li><li>2+ years of Generative AI product experience</li><li>Professional experience with AI, Retrieval Augmented Generation and LLMs</li><li>Experience in a B2B / commercial environment</li><li>Demonstrated ability to ship world-class enterprise software & SaaS products</li><li>Big picture thinking while still delivering on the details</li><li>Ability to use both qualitative and quantitative reasoning to communicate your ideas reasoning</li><li>Ability to navigate extreme ambiguity to deliver on outcomes</li><li>Desire to do whatever it takes to make the team successful - whether that's doing support, testing new algorithm changes, or cleaning up tickets</li><li>Bonus: Experience with or knowledge of Prediction & Simulation techniques is a bonus</li></ul> Disclosure Pursuant to Applicable State Equal Pay Transparency Laws - This position has a starting pay range as listed below. Actual salary depends upon many factors, including a candidate's skills, qualifications and experience, location, and salary expectations, and therefore a starting salary at the low end, high end, or even above the stated range may be offered. This position may also be eligible for bonus compensation, commission (if in a sales function), and/or equity grants. Additionally, full-time employees are eligible to participate in our comprehensive benefits framework, including health and wellness benefits, vacation, paid holidays and refresh days, 401(k) retirement plan, life and disability insurance coverages, and other benefits the Company may offer from time to time. US Pay Range $175,000-$225,000 USD Data Privacy Notice for Job Candidates: For information on personal data processing, please see our Privacy Policy. Equal Employment Opportunity Employer (EEOE) Cohesity is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, creed, religion, sex, sexual orientation, national origin or nationality, ancestry, age, disability, gender identity or expression, marital status, veteran status or any other category protected by law. If you are an individual with a disability and require a reasonable accommodation to complete any part of the application process, or are limited in the ability or unable to access or use this online application process and need an alternative method for applying, you may contact us at 1-855-9COHESITY or talent@cohesity.com for assistance. In-Office Expectations Cohesity employees who are within a reasonable commute (e.g. within a forty-five (45) minute average travel time) work out of our core offices 2-3 days a week of their choosing.

Cohesity Interview Questions

Cohesity Interview Guides

Cohesity Interview Questions

Cohesity Salaries by Position

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