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Berkshire Hathaway Specialty Insurance 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

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?

Berkshire Hathaway Specialty Insurance Salaries by Position

<h3>Job Description</h3><div>Job Description<div><div>Who are we?A strategic and trusted insurance partner, Berkshire Hathaway Specialty Insurance (BHSI), provides a broad range of commercial property, casualty and specialty insurance coverages and outstanding service to customers and brokers around the world. Part of Berkshire Hathaway’s insurance operations, we bring our solutions to market with our stellar brand name, top-rated balance sheet and the expertise of our global team of professionals, who exude excellent capabilities and strong character.We are a values-based organization where respect, integrity, excellence, collaboration, and passion define who we are and how we do business. We value diversity of backgrounds, experience and perspectives and strive to foster an inclusive environment that enables all our team members to bring their best selves to work. We are one team committed to building a culture where every teammate has the opportunity to contribute and be recognized. Want to be part of the team building the finest property, casualty, and specialty lines insurance company in the world?Learn more about our unique culture and history. Job Opportunity: Berkshire Hathaway Specialty Insurance (BHSI) has an exciting opportunity for an IT professional who possesses extensive technical and delivery skills to join our Boston based Enterprise Business Solutions Team as a HRIS Senior Business Analyst. This role will be accountable for understanding the business requirements, system processing implications and data needs of a global Human Resource function who has been building a customized HRMS solution to support a growing global organization. The successful candidate will be a subject matter expert with proven ability to deliver HR technology solutions required to solve complex business issues. The role will partner with both HR Business leaders and IT resources to translate business needs into system requirements. The candidate must possess a passion for delivering value through technology. With time, this role will expand to support other functional areas. Duties & Responsibilities:<ul><li>Partner with HR business partners to advise and shape projects to meet their needs. Elicit requirements using interviews, documentation analysis, requirements, and workshops.</li><li>Develop business requirement documentation, use cases, mockup screen designs and workflow diagrams. Organize information gathered from multiple sources, reconcile conflicts and present information in a manner that business customers can review and approve.</li><li>Become an expert in the detailed operation and configuration of the HRMS application. </li><li>Assist in development of standard reports for HRMS customer needs.</li><li>Continuously increase HRIS application and tools knowledge as well as maintain awareness of current trends in HRMS on product development and key technologies.</li><li>Work with teams that are geographically dispersed and comprised of all disciplines, such as architects, business analysts, developers and testers.</li><li>Engage in the development and execution of testing plans, document, and triage issues.</li><li>Demonstrate strong analytical and problem-solving skills in leading the project team in issue resolution.</li></ul>Qualifications, Skills and Experience:<ul><li>Minimum 3 years Administration and/or implementation experience in a BA Role supporting complex systems development or packaged software implementation efforts for HRIS systems</li><li>Strong understanding of HR compliance, state and federal regulations. Ability to research and recommend solutions</li><li>Understanding of functional analysis and system design</li><li>Ability to multi-task in a fast-paced environment</li><li>Excellent communication and interpersonal skills, comfortable liaising with remote users and vendors</li><li>Independently motivated with a “team player” mentality with an ability to offer flexibility while maintaining focus on solution delivery</li><li>Competence in working with relational databases, XML files, data analysis and SQL scripting</li><li>Experience supporting Finance, Legal and other Corporate systems is a plus</li></ul> BHSI Offers:<ul><li>A competitive package and exciting growth opportunities for career-oriented teammates</li><li>A dynamic, action oriented and thoughtful environment centered on always doing the right thing for our customers, teammates, and our other stakeholders</li><li>A purposely non-bureaucratic organization that embraces simplicity over complexity and emphasizes individual excellence in a team framework</li></ul>NOTE: Compensation will be commensurate with experience. This job description is not intended to be all-inclusive. Team Member may perform other related duties as negotiated to meet the ongoing needs of the organization.</div></div></div>

<h3>Job Description</h3><div>Job Description<div>Are you looking for an organization who truly values and accepts differences of perspectives and understands that winning together builds a stronger organization? Are you looking for an organization that is a powerful platform driven by exceptional people, and one where you can be recognized and rewarded for individual excellence in a team framework?Are you looking for the opportunity to start building meaningful, professional relationships with people who, like you, have a high level of capabilities and strong character, who care about each other, their customers, and communities?Want to be part of the team building the finest property, casualty and specialty lines insurance company in the world?Job Opportunity:Berkshire Hathaway Specialty Insurance has an exciting opportunity for an Associate Business Intelligence Engineer to join our Enterprise Data team. We are looking for an individual with the technical and creative aptitude to transform data into actionable insights. The Associate BI Engineer will be responsible for understanding the business intelligence needs of business units across the organization and providing data solutions in the form of reports, visualizations, and other automated tools. This position will also enhance and optimize the enterprise data warehouse’s reporting layer by maintaining and enhancing data pipelines. The ideal candidate is a self-motivated, technical problem solver with the collaborative qualities to be business facing.Duties & Responsibilities:<ul><li>Collaborate with internal stakeholders from various functional areas to understand BI needs</li><li>Build and automate data solutions to support business processes using SQL, SSRS, and PowerBI</li><li>Design, develop, and optimize data pipelines to load data marts and support enterprise reporting in SSIS and Azure Data Factory</li><li>Support and enhance existing BI solutions by using SQL to debug and troubleshoot</li><li>Perform data validations and reconciliations to ensure the enterprise data warehouse serves as the Single Source of Truth</li></ul>Education, Skills and Experience:<ul><li>Bachelor's Degree in Computer Science, Information Technology, or other technical field with 0+ years of professional data experience</li><li>A passion for learning with demonstrated technical talent, problem solving skills, and keen attention to detail</li><li>Beginner’s knowledge of SQL with a familiarity of data warehousing, ETL, and data integration</li><li>Professional or academic experience with data modeling, data visualization, and version control</li><li>Strong oral and written communication skills, with an ability to express business concepts in technical terms and technical solutions in business terms</li><li>Effective time management skills, with the ability to handle and prioritize several projects at once</li><li>A basic understanding and interest in learning about the insurance industry</li><li>All candidates must have permanent work authorization in the United States</li></ul>Who are we?A strategic and trusted insurance partner, Berkshire Hathaway Specialty Insurance (BHSI), provides a broad range of commercial property, casualty and specialty insurance coverages and outstanding service to customers and brokers around the world. Part of Berkshire Hathaway’s insurance operations, we bring our solutions to market with our stellar brand name, top-rated balance sheet and the expertise of our global team of professionals, who exude excellent capabilities and strong character.We are a values-based organization where respect, integrity, excellence, collaboration, and passion define who we are and how we do business. We value diversity of backgrounds, experience and perspectives and strive to foster an inclusive environment that enables all our team members to bring their best selves to work. We are one team committed to building a culture where every teammate has the opportunity to contribute and be recognized. Learn more about our unique culture and history.BHSI Offers:<ul><li>A competitive package and exciting growth opportunities with a growing global organization</li><li>A liberating, fast-paced culture, centered on always doing the right thing for our customers, teammates and our business</li><li>A purposely non-bureaucratic organization that embraces simplicity over complexity, encourages innovation, and emphasizes individual excellence in a team framework</li></ul>NOTE: Compensation will be commensurate with experience. This job description is not intended to be all-inclusive. Team Member may perform other related duties as negotiated to meet the ongoing needs of the organization#LI-ON-SITE</div></div>

<h3>Job Description</h3><div>Job Description<div><div><div>Who are we? A strategic and trusted insurance partner, Berkshire Hathaway Specialty Insurance (BHSI), provides a broad range of commercial property, casualty and specialty insurance coverages and outstanding service to customers and brokers around the world. Part of Berkshire Hathaway’s insurance operations, we bring our solutions to market with our stellar brand name, top-rated balance sheet, and the expertise of our global team of professionals, who exude excellent capabilities and strong character. We are a values-based organization where respect, integrity, excellence, collaboration, and passion define who we are and how we do business. We value diversity of backgrounds, experience, and perspectives and strive to foster an inclusive environment that enables all our team members to bring their best selves to work. We are one team committed to building a culture where every teammate has the opportunity to contribute and be recognized. Want to be part of the team building the finest property, casualty and specialty lines insurance company in the world?Learn more about our unique culture and history. Job Opportunity: BHSI has an exciting opportunity for an experienced Senior Data Analyst to join our globally focused Actuarial Reporting team. We are looking for an individual who has both an ability to excel and an excellence of character. Our culture is innovative and fast-paced, and this position will be the perfect fit for an individual who is intellectually curious, self-motivated and a collaborative team member. The Senior Data Analyst will be responsible for a wide variety of projects central to enhancing BHSI’s analytics and reporting capabilities within the global actuarial team. The Senior Data Analyst will collaborate with various functions across the organization and drive projects and deliverables for the team. The ideal individual will have both the technical abilities to query and analyze data as well as the collaborative qualities to work with actuaries, underwriters, operations, and IT across various data related initiatives. A candidate with a passion for problem solving with data and a desire to constantly learn and apply new skills will be successful in this role. Duties & Responsibilities:<ul><li>Utilize SQL to identify, extract, interpret, and analyze data for reporting  </li><li>Proactively engage with actuaries and business units to understand reporting requirements and translate them into meaningful output </li><li>Drive reporting initiatives across a multitude of platforms for audiences across all products, regions, and management to support business needs and underwriting results  </li><li>Perform data validations and reconciliations between various sources and reports with precision and attention to detail to ensure deliverables are accurate and effective  </li><li>Coordinate and implement the integration of various data sources to a central repository through sound testing, documentation, and execution of strategy  </li><li>Provide technical support to actuaries and underwriters using the combination of tools needed to best complete each task (e.g. SQL, Excel, VBA)  </li></ul> Qualifications, Skills and Experience:<ul><li>Bachelor’s degree in Business, Analytics, Computer Science or related field  </li><li>4+ years of analytical experience, within insurance industry preferred </li><li>Advanced proficiency of SQL and Excel required</li><li>Experience in Azure Data Factory, PowerBI, R, Python programming preferred  </li><li>Familiarity with data modelling and experience working within complex data environments </li><li>Proven track record of collaboration across functions delivering quality results in an efficient manner </li><li>Intellectual curiosity and a passion for analyzing large volumes of data to generate insights   </li><li>Solid oral and written communication skills.  </li><li>Strong interpersonal skills and the ability to work both independently and on teams  </li><li>Strong desire to learn from and share knowledge with teammates.  </li><li>Effective time management, with the ability to juggle multiple projects at the same time  </li></ul>BHSI Offers: • A competitive package and exciting growth opportunities for career-oriented teammates • A dynamic, action oriented, and thoughtful environment centered on always doing the right thing for our customers, teammates and our other stakeholders • A purposely non-bureaucratic organization that embraces simplicity over complexity and emphasizes individual excellence in a team frameworkThe base salary range for this position is from $80,000 to $120,000, along with annual bonus eligibility; a candidate’s salary is determined by their relevant skills and experience. We value our teammates – both their capabilities and character – as demonstrated by our amazing culture.NOTE: Compensation will be commensurate with experience. This job description is not intended to be all-inclusive. Team Member may perform other related duties as negotiated to meet the ongoing needs of the organization. #LI-ON-SITE</div></div></div></div>

<h3>Job Description</h3><div>Job Description<div>­Are you looking for a place that truly values and accepts differences of perspectives and understands that winning together builds a stronger organization?Are you looking for an organization that is a powerful platform driven by exceptional people, and one where you can be recognized and rewarded for individual excellence in a team framework?Are you looking for the opportunity to start building meaningful, professional relationships with people who, like you, have a high level of capabilities and strong character, who care about each other, their customers, and communities?Want to be part of the team building the finest property, casualty and specialty lines insurance company in the world?If so, then our Associate Cohort program is for you!Job Opportunity: Berkshire Hathaway Specialty Insurance (BHSI) has an exciting opportunity for an Associate Data Analyst to join our globally focused Actuarial Reporting Team. The Associate Data Analyst will engage in a wide variety of projects central to enhancing BHSI’s analytics and reporting capabilities within the global actuarial team. The ideal individual will have both the technical abilities to query and analyze data as well as the collaborative qualities to work with actuaries across various data related initiatives. Someone with a passion for problem solving with data and a desire to constantly learn and apply new skills will be successful in this role. Duties & Responsibilities<ul><li>Utilize SQL to identify, extract, interpret, and analyze data for reporting  </li><li>Develop and automate recurring and ad hoc reports for a multitude of audiences across all products, regions, and management to support business needs and underwriting results  </li><li>Support and enhance the central proprietary database by identifying and integrating data elements necessary to support reporting initiatives </li><li>Perform data validations and reconciliations between various sources and reports with precision and attention to detail to ensure deliverables are accurate and effective  </li><li>Assist in the integration of various data sources to a central repository through sound testing, documentation, and execution of strategy  </li><li>Provide technical support to actuaries and underwriters using the combination of tools needed to best complete each task (e.g. SQL, Excel, VBA)  </li></ul>Education, Skills and Experience:<ul><li>Bachelor’s degree, or equivalent experience</li><li>Ability to work as part of a team, as well as independently when needed</li><li>Effective written and verbal communication skills</li><li>Strong customer service skills preferably from past job or volunteer experience </li><li>Intellectual curiosity and a passion for analyzing large volumes of data to generate insights   </li><li>Experience with MS Office Applications, especially Excel</li><li>Strong understanding of SQL</li><li>Experience with business visualization software (Tableau, PowerBI) preferred</li><li>Experience with Azure preferred</li><li>All candidates must have permanent work authorization in the United States</li></ul> Who are we? A strategic and trusted insurance partner, Berkshire Hathaway Specialty Insurance (BHSI), provides a broad range of commercial property, casualty and specialty insurance coverages and outstanding service to customers and brokers around the world. Part of Berkshire Hathaway’s insurance operations, we bring our solutions to market with our stellar brand name, top-rated balance sheet and the expertise of our global team of professionals, who exude excellent capabilities and strong character.We are a values-based organization where respect, integrity, excellence, collaboration, and passion define who we are and how we do business. We value diversity of backgrounds, experience and perspectives and strive to foster an inclusive environment that enables all our team members to bring their best selves to work. We are one team committed to building a culture where every teammate has the opportunity to contribute and be recognized. BHSI Offers Associates:<ul><li>The opportunity to build a broad knowledge of the insurance industry through instructor-led training classes.</li><li>Mentorship, career development and learning opportunities as you engage with senior management.</li><li>A competitive package and exciting growth opportunities with a growing global organization</li><li>A liberating, fast-paced culture, centered on always doing the right thing for our customers, teammates and our business.</li><li>A purposely non-bureaucratic organization that embraces simplicity over complexity, encourages innovation, and emphasizes individual excellence in a team framework</li></ul>#LI-ON-SITE</div></div>

Berkshire Hathaway Specialty Insurance Interview Questions

Berkshire Hathaway Specialty Insurance Interview Guides

Berkshire Hathaway Specialty Insurance Interview Questions

Berkshire Hathaway Specialty Insurance Salaries by Position

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