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Fivetran Interview Questions

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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

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 you work for a social media company that has just done a launch in a new city. Looking at weekly metrics, you see a slow decrease in the average number of comments per user from January to March in this city.

The company has been consistently growing new users in the city from January to March.

What are some reasons why the average number of comments per user would be decreasing and what metrics would you look into?

What metric could be used to measure if active users are still engaging on the platform despite an overall decrease in the average number of comments per user?

What metric could be used to measure if active users are still engaging on the platform despite an overall decrease in the average number of comments per user?

Decreasing Comments

How would you investigate a decline in the average number of comments per user?

Fivetran Salaries by Position

From Fivetran's founding until now, our mission has remained the same: to make access to data as simple and reliable as electricity. With Fivetran, customer data arrives in their warehouses, canonical and ready to query, with no engineering or maintenance required. We're proud that more organizations continue to leverage our technology every day to become truly data-driven. About the Role Fivetran is building data pipelines to power the modern data stack for thousands of companies. We're looking for a Staff Technical Product Manager to build and deliver our internal systems roadmap for our functions supporting the Lead to Cash process. Systems Engineering is a new and growing organization within Fivetran, charged with designing, implementing, configuring, and maintaining the internal systems that power our operations. Our products are systems that support other Fivetranners, and our journey is just beginning! You will drive the relationship between our Systems Engineering teams and business stakeholders, wearing many hats along the way. You'll work with Go-To-Market teams such as Sales, Revenue Operations, Marketing, and Strategy, as well as Finance, Analytics, Product, and Engineering teams to drive the requirements, roadmap, and delivery of systems and capabilities that result in high quality data and efficient process scaling. This is a full-time position based out of our Oakland, CA office. Technologies You'll Use You'll be expected to understand the key technologies that drive our systems and product interactions to guide your team and work cross-functionally with business and engineering stakeholders. In order to do that, you should be comfortable working with technical and non-technical stakeholders to develop product requirements, technical design documents, and related documentation to define technical solutions to business challenges clearly. A technical background with SQL proficiency and experience with a general-purpose programming language is preferred. What You'll Do Roadmap <ul><li>Identify the opportunities and challenges within the functions supporting Lead to Cash, and use your domain and technical knowledge to write accurate product requirements.</li><li>Take a collaborative approach in prioritizing the roadmap, with a good balance between new functionality and managing process/technical debt.</li><li>Align the business vision with technical solutions, delivering on a systems roadmap that is well aligned to business processes.</li></ul> Execution and Project Delivery <ul><li>Collaborate closely with internal stakeholders and Systems Engineering teams to drive the execution of your internal systems roadmap, ensuring that project goals, deadlines, and deliverables are met.</li><li>Lead the planning, scheduling, and tracking of project timelines and milestones using appropriate tools and techniques.</li><li>Provide hands-on management of the most critical projects, applying expert judgment and analysis to the planning and execution of project activities.</li></ul> Stakeholder Management and Collaboration <ul><li>Partner with key stakeholders across various functions such as Go-To-Market, Finance, Analytics, Product, and Engineering.</li><li>Lead cross-functional teams to define business requirements and translate these into robust technical solutions.</li><li>Ensure a clear communication framework is in place to align expectations, progress, and feedback between your team and the stakeholders.</li></ul> Process Improvement and Innovation <ul><li>Identify opportunities for process optimization, recommending and implementing new systems or enhancements to existing systems.</li><li>Foster a culture of continuous improvement, encouraging the team to iterate on processes and tools to improve efficiency and effectiveness.</li><li>Stay informed of the latest technology and product management trends to drive innovation within the team and the broader organization.</li></ul> Metrics and Analysis <ul><li>Establish and oversee the tracking of health metrics, ensuring that our systems remain well aligned to their business processes.</li><li>Use data-driven insights to make prioritization decisions, recommend initiatives, and to report on the health and success of various projects and initiatives.</li><li>Analyze the impact of new systems or enhancements on the business, providing detailed reports to business and engineering stakeholders on the health and progress of your roadmap.</li></ul> By taking on these responsibilities, you will play a pivotal role in ensuring that our internal systems not only support but also accelerate the growth of the business. You'll directly contribute to process efficiency and scaling of our GTM teams. Skills We're Looking For <ul><li>5+ years experience as a technical product manager, technical program manager, or a related role.</li><li>An adaptable style, with an ability to work through ambiguity.</li><li>Solid domain knowledge within the span of Lead to Cash business processes and the teams that execute them. We don't expect you to be an expert in every single function, and we hope you're excited to learn more.</li></ul> Product Management <ul><li>Amazing at working with business stakeholders to write requirements that solve complex business challenges.</li><li>Adept at prioritizing major initiatives, balancing the demands between near-term alignment to changes in the business and long-term scalability.</li><li>Ability to manage multiple projects and deadlines, balancing short-term needs with long-term strategic priorities.</li></ul> Technical Acumen and Analytics <ul><li>Deep understanding of enterprise-grade systems and end-to-end processes, with the ability to oversee projects that require advanced technical understanding.</li><li>Experience in performing in-depth analysis and research to identify opportunities for system improvements.</li><li>Ability to translate complex details into clear, concise requirements and communicate effectively with technical and non-technical stakeholders.</li><li>Experience with Agile or Scrum project management methodologies, with a strong track record of shipping products that exceed user expectations.</li></ul> Decision-Making and Research <ul><li>Demonstrated use of analytics, user research, and business cases to drive decisions and improve internal systems.</li><li>A deep sense of empathy for the customer, ensuring that all technical solutions are user-focused and deliver significant value.</li></ul> Bonus Skills <ul><li>Experience with Lead to Cash Systems (e.g. Salesforce, Marketo, LeanData, Ironclad, Netsuite) and the internal processes they support.</li><li>Public company experience and a working understanding of system and process controls.</li><li>Proficiency in general-purpose programming languages, SQL, and familiarity with front-end UI and backend-heavy product development.</li></ul> #LI-KM3 The pay range displayed on this job posting reflects the minimum and maximum target for new hire salaries for the target position and level. Our pay ranges are determined by role, level, and location. Our job titles may span more than one career level. Within the range, individual pay is determined by additional factors, including job-related skills, experience, relevant education or training, business need, market demands. The pay range is subject to change and may be modified in the future. Your recruiter can share more about the specific pay range for your location during the hiring process. This range represents base salary only and does not include incentive for sales roles, equity, or benefits, if applicable. Pay Range $176,000-$220,000 USD Perks and Benefits <ul><li>100% employer-paid medical insurance*</li><li>Generous paid time-off policy (PTO), plus paid sick time, inclusive parental leave policy, holidays, and volunteer days off</li><li>RSU stock grants*</li><li>Professional development and training opportunities</li><li>Company virtual happy hours, free food, and fun team-building activities</li><li>Monthly cell phone stipend</li><li>Access to an innovative mental health support platform that offers personalized care and resources in areas such as: therapy, coaching, and self-guided mindfulness exercises for all covered employees and their covered dependents.</li></ul> *May vary by country and worker type - please reach out to your recruiter for more information Click here to learn more about Fivetran's Benefits by Region. We're honored to be valued at over $5.6 billion, but more importantly, we're proud of our core values of Get Stuck In, Do the Right Thing, and One Team, One Dream. Read about us in Forbes. Fivetran brings together high-quality talent across the globe to make data access as easy and reliable as electricity for our customers. We value and recognize that our customers benefit from having innovative teams made of people from many backgrounds, experiences, and identities. Fivetran promotes diversity, equity, inclusion & belonging through attracting, recruiting, developing, and retaining a diverse workforce, not only because it is the right thing to do, but because it helps us build a world-class company to better serve our customers, our people and our communities. To learn more about Fivetran's culture and what it's like to be part of the team, click here and enjoy our video. To learn more about our candidate privacy policy, you can read our statement here. We are committed to ensuring that all candidates have an equal opportunity to participate in our interview process. If you require accommodations at any stage of the process due to a disability, medical condition, or any other circumstance, please don't hesitate to submit your request by filling out this form. We will work with you to provide reasonable accommodations to facilitate your participation and ensure a fair and accessible interview experience. Your request and any information provided will be kept confidential and will not impact your candidacy. We look forward to hearing from you and accommodating your needs to the best of our ability.

From Fivetran’s founding until now, our mission has remained the same: to make access to data as simple and reliable as electricity. With Fivetran, customer data arrives in their warehouses, canonical and ready to query, with no engineering or maintenance required. We’re proud that more organizations continue to leverage our technology every day to become truly data-driven.

About The Role

Fivetran is building data pipelines to power the modern data stack for thousands of companies.

We’re looking for a brilliant and collaborative individual to join our Performance Engineering Team as a Staff Software Engineer. Your primary responsibility will be to ensure that our product base meets or exceeds performance standards, driving the overall performance of our products. This entails proposing and designing performance-enhancing features and improvements. You will also design and execute performance tests, analyze data to identify performance issues, and resolve these issues proactively. Additionally, you will monitor system performance over time, identify trends, and recommend improvements. Collaboratively with engineers from other teams, you will engage in discussions, debates, and code reviews to refine ideas, designs, and code.

A successful candidate will possess a humble learning attitude, embracing existing realities and approaching challenges from a fundamental perspective. They will contribute fresh perspectives, enabling the team to make optimal design decisions. This candidate will be actively involved in implementation tasks, continuously refining decision-making factors to recalibrate realities and achieve strategic goals.

The ideal candidate exhibits exceptional technical skills, meticulous attention to detail, creativity, motivation, and a results-oriented mindset.

This is a full-time Hybrid position based out of our Oakland office.

Technologies You’ll Use

Java, JUnit
Docker and Kubernetes
AWS, GCP
Terraform, WireMock, RestAssured
Bazel, BuildKite

What You’ll Do

Develop and Debug code to identify and fix performance issues
Analyze production workloads and system performance metrics to identify performance bottlenecks in our system
Build proof of concepts and translate successful ones into solutions to maximize Fivetran product’s performance and efficiency
Build and maintain a platform that focuses on improving the performance, resilience and quality of Fivetran products
Impact Fivetran business across product verticals through the work you do
Develop deep expertise in Fivetran's Product, Infrastructure, and Platform
Communicate, coordinate, and align strategy with the engineering team members; make recommendations to improve reliability, performance, best practices, and processes
Work with cross-functional teams (Developers, Product, SRE) across the organization
Actively engage with fellow engineers in design and code reviews to ensure we deliver performant solutions that improves the product’s efficiency

Skills We’re Looking For

8+ years of hands-on experience in the software industry with a passion for solving complex software engineering problems
Experience in architecting reliable distributed systems, with an emphasis on high-volume data management
Experience and expertise in building backend services and data systems
Experience with use of wide range of algorithms and data structures
Strong knowledge and expertise in working with Java and databases
Knowledge of observability tools like New Relic, Splunk, DataDog is a plus

Bonus Skills

Performance Engineering background is a plus - experience analyzing, troubleshooting and automating performance workloads on large scale systems
Hands-on experience working with any cloud technologies(AWS, GCP,Azure) and containerization methodologies like docker, K8s
Experience with cloud warehouses, such as Snowflake, BigQuery, RedShift and Databricks
Familiarity with system level programming (such as process and memory management and inter-process communication)

The pay range displayed on this job posting reflects the minimum and maximum target for new hire salaries for the target position and level. Our pay ranges are determined by role, level, and location. Our job titles may span more than one career level. Within the range, individual pay is determined by additional factors, including job-related skills, experience, relevant education or training, business need, market demands. The pay range is subject to change and may be modified in the future. Your recruiter can share more about the specific pay range for your location during the hiring process.

This range represents base salary only and does not include incentive for sales roles, equity, or benefits, if applicable.

Pay Range

$186,698.21—$233,372.76 USD

Perks And Benefits

100% employer-paid medical insurance Generous paid time-off policy (PTO), plus paid sick time, inclusive parental leave policy, holidays, and volunteer days off
RSU stock grants*
Professional development and training opportunities
Company virtual happy hours, free food, and fun team-building activities
Monthly cell phone stipend
Recharge, reenergize, and pursue personal and professional goals with a 30-day paid leave after 5 years*
Access to an innovative mental health support platform that offers personalized care and resources in areas such as: therapy, coaching, and self-guided mindfulness exercises for all covered employees and their covered dependents.

*May vary by country and worker type - please reach out to your recruiter for more information

Click here to learn more about Fivetran's Benefits by Region.

We’re honored to be valued at over $5.6 billion, but more importantly, we’re proud of our core values of Get Stuck In, Do the Right Thing, and One Team, One Dream. Read about us in Forbes.

Fivetran brings together high-quality talent across the globe to make data access as easy and reliable as electricity for our customers. We value and recognize that our customers benefit from having innovative teams made of people from many backgrounds, experiences, and identities. Fivetran promotes diversity, equity, inclusion & belonging through attracting, recruiting, developing, and retaining a diverse workforce, not only because it is the right thing to do, but because it helps us build a world-class company to better serve our customers, our people and our communities.

To learn more about Fivetran’s culture and what it’s like to be part of the team, click here and enjoy our video.

To learn more about our candidate privacy policy, you can read our statement here.

We are committed to ensuring that all candidates have an equal opportunity to participate in our interview process. If you require accommodations at any stage of the process due to a disability, medical condition, or any other circumstance, please don't hesitate to submit your request by filling out this form. We will work with you to provide reasonable accommodations to facilitate your participation and ensure a fair and accessible interview experience. Your request and any information provided will be kept confidential and will not impact your candidacy. We look forward to hearing from you and accommodating your needs to the best of our ability.

#J-18808-Ljbffr

From Fivetran’s founding until now, our mission has remained the same: to make access to data as simple and reliable as electricity. With Fivetran, customer data arrives in their warehouses, canonical and ready to query, with no engineering or maintenance required. We’re proud that more organizations continue to leverage our technology every day to become truly data-driven.
About The Role Fivetran is building data pipelines to power the modern data stack for thousands of companies.
We’re looking for a brilliant and collaborative individual to join our Performance Engineering Team as a Staff Software Engineer. Your primary responsibility will be to ensure that our product base meets or exceeds performance standards, driving the overall performance of our products. This entails proposing and designing performance-enhancing features and improvements. You will also design and execute performance tests, analyze data to identify performance issues, and resolve these issues proactively. Additionally, you will monitor system performance over time, identify trends, and recommend improvements. Collaboratively with engineers from other teams, you will engage in discussions, debates, and code reviews to refine ideas, designs, and code.
A successful candidate will possess a humble learning attitude, embracing existing realities and approaching challenges from a fundamental perspective. They will contribute fresh perspectives, enabling the team to make optimal design decisions. This candidate will be actively involved in implementation tasks, continuously refining decision-making factors to recalibrate realities and achieve strategic goals.
The ideal candidate exhibits exceptional technical skills, meticulous attention to detail, creativity, motivation, and a results-oriented mindset.
This is a full-time Hybrid position based out of our Oakland office.
Technologies You’ll Use Java, JUnit
Docker and Kubernetes
AWS, GCP
Terraform, WireMock, RestAssured
Bazel, BuildKite
What You’ll Do Develop and Debug code to identify and fix performance issues
Analyze production workloads and system performance metrics to identify performance bottlenecks in our system
Build proof of concepts and translate successful ones into solutions to maximize Fivetran product’s performance and efficiency
Build and maintain a platform that focuses on improving the performance, resilience and quality of Fivetran products
Impact Fivetran business across product verticals through the work you do
Develop deep expertise in Fivetran's Product, Infrastructure, and Platform
Communicate, coordinate, and align strategy with the engineering team members; make recommendations to improve reliability, performance, best practices, and processes
Work with cross-functional teams (Developers, Product, SRE) across the organization
Actively engage with fellow engineers in design and code reviews to ensure we deliver performant solutions that improves the product’s efficiency
Skills We’re Looking For 8+ years of hands-on experience in the software industry with a passion for solving complex software engineering problems
Experience in architecting reliable distributed systems, with an emphasis on high-volume data management
Experience and expertise in building backend services and data systems
Experience with use of wide range of algorithms and data structures
Strong knowledge and expertise in working with Java and databases
Knowledge of observability tools like New Relic, Splunk, DataDog is a plus
Bonus Skills Performance Engineering background is a plus - experience analyzing, troubleshooting and automating performance workloads on large scale systems
Hands-on experience working with any cloud technologies (AWS, GCP, Azure) and containerization methodologies like docker, K8s
Experience with cloud warehouses, such as Snowflake, BigQuery, RedShift and Databricks
Familiarity with system level programming (such as process and memory management and inter-process communication)
The pay range displayed on this job posting reflects the minimum and maximum target for new hire salaries for the target position and level. Our pay ranges are determined by role, level, and location. Our job titles may span more than one career level. Within the range, individual pay is determined by additional factors, including job-related skills, experience, relevant education or training, business need, market demands. The pay range is subject to change and may be modified in the future. Your recruiter can share more about the specific pay range for your location during the hiring process.
This range represents base salary only and does not include incentive for sales roles, equity, or benefits, if applicable.
Pay Range $182,222—$227,778 USD
Perks And Benefits 100% employer-paid medical insurance*
Generous paid time-off policy (PTO), plus paid sick time, inclusive parental leave policy, holidays, and volunteer days off
RSU stock grants
Professional development and training opportunities
Company virtual happy hours, free food, and fun team building activities
Monthly cell phone stipend
Recharge, reenergize, and pursue personal and professional goals with a 30 day paid leave after 5 years
To learn more about Fivetran's benefits by region - click here.
We’re honored to be valued at over $5.6 billion, but more importantly, we’re proud of our core values of Get Stuck In, Do the Right Thing, and One Team, One Dream. Read about us in Forbes.
Fivetran brings together high-quality talent across the globe to make data access as easy and reliable as electricity for our customers. We value and recognize that our customers benefit from having innovative teams made of people from many backgrounds, experiences and identities. Fivetran promotes diversity, equity, inclusion & belonging through attracting, recruiting, developing and retaining a diverse workforce, not only because it is the right thing to do, but because it helps us build a world-class company to better serve our customers, our people and our communities.
To learn more about Fivetran’s culture and what it’s like to be part of the team, click here and enjoy our video.
To learn more about our candidate privacy policy, you can read our statement here.

#J-18808-Ljbffr

From Fivetran's founding until now, our mission has remained the same: to make access to data as simple and reliable as electricity. With Fivetran, customer data arrives in their warehouses, canonical and ready to query, with no engineering or maintenance required. We're proud that more organizations continue to leverage our technology every day to become truly data-driven. About the Role From Fivetran's founding until now, our mission has remained the same: to make access to data as simple and reliable as electricity. With Fivetran, customer data arrives in their warehouses, canonical and ready to query, with no engineering or maintenance required. We're proud that more organizations continue to leverage our technology every day to become truly data-driven. As a data movement platform, Fivetran is moving critical data on behalf of our customers to help power analytical and operational use cases. The Enterprise Platform product group works on making sure our enterprise customers can adopt and scale Fivetran as a standard across their entire business. This important area involves investing in security, extensibility, data governance, and observability. As the Product Manager, Enterprise Platform, you will be deployed on the highest priority initiatives to ensure the success of our enterprise users. Your initial focus will be on data security and data validation features to help drive confidence in the Fivetran platform. Your success gives our customers and partners confidence that we are delivering a best-in-class data product, and helps drive further adoption of new and existing customers. You'll be a product leader that collaborates closely with engineering and UX design, our partners, core architects, and go-to-market teams to deliver new capabilities and broadly support the data ecosystem. This is a position of key responsibility with high visibility across leaders from Fivetran & our most important partners. This is a full-time position based out of our Oakland office. What You'll Do <ul><li>Help drive the Enterprise Platform product roadmap; set quarterly goals and track deliverables and results</li><li>Prioritize major initiatives to improve customers' trust in the data we deliver, and the security of our platform</li><li>Perform in-depth data analysis and customer research to identify areas of opportunity for improvements</li><li>Collaborate closely with design, engineering, analytics, and partnerships teams to drive successful changes</li><li>Evangelize the success of your initiatives both internally and externally</li></ul> Skills We're Looking For <ul><li>3 years of Product management experience. </li><li>Track record of shipping SaaS products that deliver measurable results</li><li>Experience driving requirements for UI and complex backend systems</li><li>Have an obsession with product quality and an eye for design</li><li>Have a user focused mindset; deeply empathetic to customer needs and internal stakeholders.</li><li>Technically conversant and able to collaborate easily with designers and engineers</li><li>Highly collaborative cross-functionally and within product organization</li><li>Strong attention to detail with a deep understanding of the big picture</li><li>Ability to balance multiple projects and deadlines</li><li>Demonstrated use of analytics, user research, and business cases to drive decisions and improve products.</li><li>Embody our product team values of Curiosity, Ownership, Collaboration, Kindness, and Integrity.</li></ul> Bonus Skills <ul><li>Experience with databases (Oracle, SQL Server, PostgreSQL, etc.), data movement (real-time replication or ETL/ELT), multiple clouds (AWS, Azure, Google, Alibaba), cloud analytics destinations (Snowflake, Databricks, Kafka, RDS, Synapse, BigQuery, etc.), or API technologies</li><li>Experience working with security teams and/or building security-focused products</li><li>Prior experience building data products</li></ul> #LI-KM3 The pay range displayed on this job posting reflects the minimum and maximum target for new hire salaries for the target position and level. Our pay ranges are determined by role, level, and location. Our job titles may span more than one career level. Within the range, individual pay is determined by additional factors, including job-related skills, experience, relevant education or training, business need, market demands. The pay range is subject to change and may be modified in the future. Your recruiter can share more about the specific pay range for your location during the hiring process. This range represents base salary only and does not include incentive for sales roles, equity, or benefits, if applicable. Pay Range $157,974.63-$189,577.14 USD Perks and Benefits <ul><li>100% employer-paid medical insurance*</li><li>Generous paid time-off policy (PTO), plus paid sick time, inclusive parental leave policy, holidays, and volunteer days off</li><li>RSU stock grants*</li><li>Professional development and training opportunities</li><li>Company virtual happy hours, free food, and fun team-building activities</li><li>Monthly cell phone stipend</li><li>Access to an innovative mental health support platform that offers personalized care and resources in areas such as: therapy, coaching, and self-guided mindfulness exercises for all covered employees and their covered dependents.</li></ul> *May vary by country and worker type - please reach out to your recruiter for more information Click here to learn more about Fivetran's Benefits by Region. We're honored to be valued at over $5.6 billion, but more importantly, we're proud of our core values of Get Stuck In, Do the Right Thing, and One Team, One Dream. Read about us in Forbes. Fivetran brings together high-quality talent across the globe to make data access as easy and reliable as electricity for our customers. We value and recognize that our customers benefit from having innovative teams made of people from many backgrounds, experiences, and identities. Fivetran promotes diversity, equity, inclusion & belonging through attracting, recruiting, developing, and retaining a diverse workforce, not only because it is the right thing to do, but because it helps us build a world-class company to better serve our customers, our people and our communities. To learn more about Fivetran's culture and what it's like to be part of the team, click here and enjoy our video. To learn more about our candidate privacy policy, you can read our statement here. We are committed to ensuring that all candidates have an equal opportunity to participate in our interview process. If you require accommodations at any stage of the process due to a disability, medical condition, or any other circumstance, please don't hesitate to submit your request by filling out this form. We will work with you to provide reasonable accommodations to facilitate your participation and ensure a fair and accessible interview experience. Your request and any information provided will be kept confidential and will not impact your candidacy. We look forward to hearing from you and accommodating your needs to the best of our ability.

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