Prepare for and practice interview questions from A place for mom.

A place for mom Interview Questions

A place for mom Interview Guides

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?

A place for mom Salaries by Position

<h3>Job Description</h3><div>Job Description<div>Company Description About A Place for Mom:A Place for Mom is the leading online resource connecting families searching for senior care with a team of expert advisors providing insight-driven, personalized solutions. As the nation’s largest senior care advisory service, A Place for Mom helps hundreds of thousands of families every year navigate the complexities of finding the right senior care solution for their loved ones across home care, independent living, memory care, assisted living, and more. Established in 2000 as a family business, A Place for Mom employees are deeply committed to the company mission to enable caregivers to make the best senior care decisions. A Place for Mom fosters, cultivates, and preserves a culture of diversity, equity, and inclusion.Our employees live the company values every day:<ul><li>Mission Over Me: We find purpose in helping caregivers and their senior loved ones while approaching our work with empathy.</li><li>Do Hard Things: We are energized by solving challenging problems and see it as an opportunity to grow.</li><li>Drive Outcomes as a Team: We each own the outcome but can only achieve it as a team.</li><li>Win The Right Way: We see organizational integrity as the foundation for how we operate.</li><li>Embrace Change: We innovate and constantly evolve.</li></ul>Job Description A Place for Mom is looking for a Sr. Machine Learning Engineer to build efficient, data-driven machine learning applications. The candidate should be highly skilled in statistics and programming, with the ability to confidently assess, analyze, and organize large amounts of data. The candidate should also be able to develop and optimize our machine learning models and algorithms.Key Responsibilities and Deliverables:<ul><li>Machine Learning Model Development and Maintenance:<ul><li>Study and transform data science prototypes and apply appropriate machine learning algorithms and tools.</li><li>Design and develop machine learning and Gen AI systems.</li><li>Solve complex problems with multilayered data sets and optimize existing machine learning libraries and frameworks.</li><li>Construct optimized data pipelines to feed machine learning models.</li><li>Run machine learning tests and experiments, and document findings and results.</li></ul></li><li>Model Maintenance and Monitoring:<ul><li>Implement and monitor model and data quality checks to ensure accuracy and consistency of our models and pipelines in production.</li><li>Train, retrain, and monitor machine learning systems and models as needed.</li></ul></li></ul><ul><li>Collaboration and Support:<ul><li>Collaborate with cross-functional teams, including software engineers, data scientists, and product managers, to build machine learning applications that align with business objectives and best practices.</li><li>Provide support on model and data-related issues and queries from other teams including providing clear and actionable reporting for stakeholders.</li></ul></li><li>Best Practices and Documentation<ul><li>Create and maintain comprehensive documentation for machine learning processes, models and pipelines.</li><li>Implement and promote best practices for machine learning, including coding standards, maintenance and governance of machine learning models.</li></ul></li></ul>Qualifications <ul><li>Experience: 5+ years of proven experience as a Machine Learning Engineer, with significant experience working with data from structured and unstructured data sources, ETL processes, and data quality management.</li><li>Technical Skills: Strong proficiency in SQL, Databricks, AWS services, Python, Spark and machine learning frameworks such as XGBoost, Scikit, TensorFlow, Keras or PyTorch.</li><li>Analytical Skills: Excellent analytical and problem-solving skills with a strong ability to derive insights from complex data sets.</li><li>Communication: Effective communication skills with the ability to convey technical information and business impact to non-technical stakeholders.</li><li>Education: Master’s degree in Computer Science, Mathematics, or a related field, or equivalent working experience.</li></ul> Compensation<ul><li>Base Salary: $125,000 to $135,000 </li><li>Bonus - 10% of annual earnings</li><li>Benefits:<ul><li>401(k) plus match</li><li>Dental insurance</li><li>Health insurance</li><li>Vision Insurance</li><li>Paid Time Off</li></ul></li></ul>#LI-AR1#LI-REMOTE Additional Information All your information will be kept confidential according to EEO guidelines.A Place for Mom uses E-Verify to confirm the employment eligibility of all newly hired employees. To learn more about E-Verify, including your rights and responsibilities, please visit www.dhs.gov/E-Verify.</div></div>

<h3>Job Description</h3><div>Job Description<div>Company Description About A Place for Mom:A Place for Mom is the leading online resource connecting families searching for senior care with a team of expert advisors providing insight-driven, personalized solutions. As the nation’s largest senior care advisory service, A Place for Mom helps hundreds of thousands of families every year navigate the complexities of finding the right senior care solution for their loved ones across home care, independent living, memory care, assisted living, and more. Established in 2000 as a family business, A Place for Mom employees are deeply committed to the company mission to enable caregivers to make the best senior care decisions. A Place for Mom fosters, cultivates, and preserves a culture of diversity, equity, and inclusion.Our employees live the company values every day:<ul><li>Mission Over Me: We find purpose in helping caregivers and their senior loved ones while approaching our work with empathy.</li><li>Do Hard Things: We are energized by solving challenging problems and see it as an opportunity to grow.</li><li>Drive Outcomes as a Team: We each own the outcome but can only achieve it as a team.</li><li>Win The Right Way: We see organizational integrity as the foundation for how we operate.</li><li>Embrace Change: We innovate and constantly evolve.</li></ul>Job Description The Customer Marketing Analyst will be an integral member of the Marketing team focused on the company mission and delivering a best in class customer experience. The Analyst will work across B2C marketing channels (Email, SMS and Phone) to ensure families remain engaged with their advisor and a wealth of resources as they search for the right senior care solution for their loved ones. Additionally, the Analyst will drive B2B marketing programs directly with senior living community customers. Reporting to the Manager, Customer Marketing Analytics the Analyst will be the point person for the customer journey and will be responsible for performance monitoring, reporting, customer experience audits and operations. Key Responsibilities <ul><li>Customer Journey<ul><li>Orchestrate best in class follow-up experiences for families working with A Place for Mom via customer marketing channels (Email, SMS and Phone)</li><li>Build and maintain the latest mapping of the customer journey and ensure all campaigns and messaging work in support of our customers</li></ul></li><li>Performance Monitoring:<ul><li>Oversee daily customer marketing metrics (delivery, open, click through, response and opt out rates) across programs and channels (Email, SMS and Phone)</li><li>Proactively identify trends, address outliers and own recommendations for customer experience improvements</li></ul></li><li>Reporting <ul><li>Build and distribute timely and accurate reporting for customer marketing programs</li><li>Gather and analyze reporting inputs including call listening and marketing/sales data</li></ul></li><li>Customer Experience Audits<ul><li>Regularly review and own updates to A Place for Mom customer journeys</li><li>Document and share insights and recommendations</li><li>Listen to sales phone calls daily and publish results into trackers, structured data and actionable reports</li></ul></li><li>Operations Support:<ul><li>Own process documentation and continuous process improvement through use of  automation and technology tools</li><li>Review, research and action escalations from sales team and community customers including listening to calls and reviewing CRM and internal systems. Responsible for driving and communicating resolutions to all stakeholders</li><li>Provide coaching opportunities and direction to sales leaders and team members</li></ul></li></ul>Qualifications <ul><li>Required Skills and Competencies:<ul><li>Highly organized, with ability to manage a high volume of operational, analytical and administrative tasks</li><li>Demonstrated success in root cause analysis and process improvement</li><li>Excellent judgement with ability to make independent decisions in line with company mission and values</li><li>Experience building reports and working with software tools including Excel, Tableau, Google Suite, Gong (Call Listening) a plus</li></ul></li><li>Communication:<ul><li>Excellent, organized communication</li><li>Experience working with internal sales teams a plus</li><li>Focus on delivering accurate reporting, actionable insights and driving continuous process improvement</li></ul></li><li>Education:<ul><li>Bachelor’s degree</li><li>1-2 years of experience in a marketing or operations function a plus</li></ul></li></ul>LI-AR1#LI-REMOTECompensation:<ul><li>Base Salary: $70k - $80k base</li><li>Bonus: 10% Management Bonus</li><li>Benefits:<ul><li>401(k) plus match</li><li>Dental insurance</li><li>Health insurance</li><li>Vision Insurance</li><li>Paid Time Off</li></ul></li></ul> Additional Information All your information will be kept confidential according to EEO guidelines.A Place for Mom uses E-Verify to confirm the employment eligibility of all newly hired employees. To learn more about E-Verify, including your rights and responsibilities, please visit www.dhs.gov/E-Verify.</div></div>

<h3>Job Description</h3><div>Job Description<div>Company Description About A Place for Mom:A Place for Mom is the leading online resource connecting families searching for senior care with a team of expert advisors providing insight-driven, personalized solutions. As the nation’s largest senior care advisory service, A Place for Mom helps hundreds of thousands of families every year navigate the complexities of finding the right senior care solution for their loved ones across home care, independent living, memory care, assisted living, and more. Established in 2000 as a family business, A Place for Mom employees are deeply committed to the company mission to enable caregivers to make the best senior care decisions. A Place for Mom fosters, cultivates, and preserves a culture of diversity, equity, and inclusion.Our employees live the company values every day:<ul><li>Mission Over Me: We find purpose in helping caregivers and their senior loved ones while approaching our work with empathy.</li><li>Do Hard Things: We are energized by solving challenging problems and see it as an opportunity to grow.</li><li>Drive Outcomes as a Team: We each own the outcome but can only achieve it as a team.</li><li>Win The Right Way: We see organizational integrity as the foundation for how we operate.</li><li>Embrace Change: We innovate and constantly evolve.</li></ul>Job Description The Technical Business Analyst - Product Quality focuses on enhancing product quality and developer experience by analyzing key metrics and performance indicators. This role involves reporting on engineering performance, delivery metrics, and capacity management to support continuous improvement and ensure high-quality product delivery.The ideal candidate is someone who is able to blend a mix of technical expertise, analytical skills, and project management experience to effectively drive initiatives that enhance project outcomes and overall organizational efficiency. This role requires a high level of cross-functional collaboration to ensure alignment across teams to deliver on high-level initiatives and reach company goals.Key Responsibilities:<ul><li>Developer Experience: Monitor and analyze developer experience metrics to identify areas for improvement and enhance overall productivity and satisfaction.</li><li>Engineering Performance Reporting: Track and report on engineering performance metrics, such as DORA metrics, to assess development efficiency and identify areas for improvement.</li><li>Delivery Performance: Use tools and insights (e.g., LinearB) to report on delivery performance, analyzing team throughput and identifying bottlenecks in the delivery process.</li><li>Capacity and Allocation: Provide insights into team capacity and allocation, using frameworks from the Technical Project Manager to ensure effective resource utilization.</li><li>Quality Metrics Analysis: Track and report on delivery metrics and other quality indicators to support continuous improvement and ensure high standards of product delivery.</li></ul>Key Deliverables:<ul><li>Developer Experience Reports: Detailed reports on developer experience metrics and actionable recommendations for improvement.</li><li>Engineering Performance Insights: Regular reporting on engineering performance metrics, including analysis and recommendations for enhancing efficiency.</li><li>Delivery Performance Analysis: Insights into delivery performance using tools such as LinearB, with recommendations for improving team throughput and process efficiency.</li><li>Capacity and Allocation Reports: Analysis of team capacity and allocation, with recommendations for optimizing resource use.</li><li>Quality Metrics Reporting: Comprehensive reports on delivery metrics and quality indicators, supporting continuous improvement and high-quality product delivery.</li></ul>Qualifications Required Skills and Competencies:<ul><li>Proficiency in tools such as SLQ, Excel, or analytics platforms (e.g, Tableau, Power BI) for performance measurement and reporting.</li><li>Familiarity with various methodologies (Agile, Waterfall) and how they impact delivery.</li><li>Experience in defining, tracking, and analyzing KPIs to measure project and team performance.</li><li>Knowledge of industry standards and practices for performance assessment.</li><li>Strong analytical skills to identify trends, inefficiencies, and areas for improvement.</li><li>Ability to ensure accuracy in data analysis and reporting.</li><li>Experience in Agile practices and working in cross-functional teams to enhance delivery effectiveness.</li><li>Skilled in eliciting and documenting business requirements to align with performance objectives.</li><li>Ability to communicate insights and performance metrics to technical and non-technical stakeholders.</li><li>Strong interpersonal skills to foster teamwork and facilitate discussions between various teams.</li><li>Several years of experience in business analysis, project management, or performance improvement roles.</li><li>Involvement in projects focused on improving operational performance or delivering technical solutions.</li><li>Relevant certifications in business analysis (CBAP), project management (PMP), or specific performance improvement methodologies can enhance credibility.</li><li>Bachelor’s degree in Business Administration, Information Technology, Computer Science, or related field.</li><li>Advanced degrees or relevant certifications (e.g, CBAP, PMP, or Agile certifications) can be advantageous.</li></ul> Additional Information Compensation<ul><li>Base Salary: $115,000 to $135,000 + 10% Bonus</li><li>Benefits:<ul><li>401(k) plus match</li><li>Dental insurance</li><li>Health insurance</li><li>Vision Insurance</li><li>Paid Time Off</li></ul></li></ul>All your information will be kept confidential according to EEO guidelines.#LI-KT1#LI-REMOTE</div></div>

A place for mom Interview Questions

A place for mom Interview Guides

A place for mom Interview Questions

A place for mom Salaries by Position

A place for mom Opening Jobs