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Idr, Inc. Interview Questions

A/B Testing

Algorithms

Analytics

Machine Learning

Probability

Product Metrics

Python

Statistics

Idr, Inc. Interview Guides

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.

What factors could have biased this result, and what would you look into?

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

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?

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?

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

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?

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

IDR is seeking a Data Engineer to join one of our top clients for an opportunity in Coppell, TX. This role involves designing, building, and maintaining enterprise-grade data architectures, with a focus on cloud-based data engineering, analytics, and machine learning applications. The company operates within the technology and data services industry, providing innovative solutions to large-scale clients.Position Overview for the Data Engineer:<ul><li>Develop and maintain scalable data pipelines utilizing Databricks and Azure environments</li><li>Design data models and optimize ETL/ELT processes for large datasets</li><li>Collaborate with cross-functional teams to implement data solutions supporting analytics, BI, and ML projects</li><li>Ensure data quality, availability, and performance across enterprise systems</li><li>Automate workflows and implement CI/CD pipelines to improve data deployment processes</li></ul>Requirements for the Data Engineer:<ul><li>8-10 years of experience on modern data platforms with a strong background in cloud-based data engineering</li><li>Strong expertise in Databricks (PySpark/Scala, Delta Lake, Unity Catalog)</li><li>Hands-on experience with Azure (AWS/GCP also acceptable IF Super strong in Databricks)</li><li>Advanced SQL skills and strong experience with data modeling, ETL/ELT development and data orchestration</li><li>Experience with CI/CD (Azure DevOps, GitHub Actions, Terraform, etc.)</li></ul>What's in it for you?<ul><li>Competitive compensation package</li><li>Full Benefits; Medical, Vision, Dental, and more!</li><li>Opportunity to get in with an industry leading organization.</li></ul>Why IDR?<ul><li>25+ Years of Proven Industry Experience in 4 major markets</li><li>Employee Stock Ownership Program</li><li>Dedicated Engagement Manager who is committed to you and your success.</li><li>Medical, Dental, Vision, and Life Insurance</li><li>ClearlyRated's Best of Staffing® Client and Talent Award winner 12 years in a row.</li></ul>

IDR is seeking a Technical Research Analyst to join one of our top clients in Atlanta, GA. This role offers a unique opportunity to delve into the convergence of data and power within the electrical industry. If you are eager to be part of a dynamic organization and thrive in a collaborative, team-oriented environment, we encourage you to apply today! Position Overview & Responsibilities for the Technical Research Analyst:<ul><li>Collaborate with leading corporations, educational institutions, and research centers on R&D projects.</li><li>Conduct in-depth analysis of emerging technological trends in the convergence of data and power.</li><li>Develop comprehensive documentation for research findings, technology evaluations, and market studies.</li><li>Present research outcomes and technology roadmaps to executive teams, ensuring alignment with strategic goals.</li></ul> Required Skills for Technical Research Analyst:<ul><li>3-5+ years of experience in Power, Electrical, or Industrial Engineering, with a focus on the electrical industry.</li><li>Bachelor's degree in Business, IT, or a related field; advanced degrees preferred.</li><li>Strong analytical skills to interpret complex data and trends.</li><li>Experience with AI and ML in power or utility systems.</li><li>Excellent interpersonal skills for effective collaboration and presentation.</li></ul> What's in it for you?<ul><li>Competitive compensation package Full Benefits; Medical, Vision, Dental, and more!</li><li>Opportunity to get in with an industry leading organization</li><li>Close-knit and team-oriented culture</li></ul>

IDR is seeking a Software Engineer to join one of our top clients for a hybrid schedule opportunity in Austin, TX. This role offers the chance to work on innovative AI solutions within a dynamic and fast-paced environment. The company specializes in leveraging big data and AI frameworks to deliver impactful technological advancements. ***At this time, we cannot work c2c on this*** Position Overview for the Software Engineer:<ul><li>Design, develop, and maintain full stack web applications using Python (Flask, Django, or FastAPI) and React.js / Node.js</li><li>Build scalable web applications, including front-end interfaces and reliable back-end data workflows</li><li>Collaborate with cross-functional teams to deploy production-grade AI solutions</li><li>Utilize cloud platforms, preferably Azure, for development and deployment</li></ul> Requirements for the Software Engineer: <ul><li>Must Have: 5+ years of experience in software development</li><li>4+ years of hands-on expertise with Python, Node.js, and React.js, with background in backend services and data processing</li><li>Experience with cloud platforms (preferably Azure) and CI/CD pipelines</li></ul> What's in it for you?<ul><li>Competitive compensation package</li><li>Full Benefits; Medical, Vision, Dental, and more!</li><li>Opportunity to get in with an industry leading organization.</li></ul> Why IDR?<ul><li>25+ Years of Proven Industry Experience in 4 major markets</li><li>Employee Stock Ownership Program</li><li>Dedicated Engagement Manager who is committed to you and your success.</li><li>Medical, Dental, Vision, and Life Insurance</li><li>ClearlyRated's Best of Staffing® Client and Talent Award winner 12 years in a row.</li></ul>

IDR is seeking a Data Engineer to join one of our top clients in McKinney, TX.  Position Overview: Our client is looking for a Data Engineer to work closely with the data architect and business stakeholders to help translate business needs to technical solutions while ensuring the data is reliable, secure, and easily accessible.  Top Skills:<ul><li>3+ years of experience in ELT/ETL pipeline development, data warehousing/modeling, data quality and governance</li><li>2+ years' of hands-on experience with API integrations and data ingestion from multiple sources</li><li>2+ years’ experience with cloud data platforms (Snowflake preferred)</li><li>Professional experience being a liaison between technical and non-technical audiences</li><li>Strong knowledge of data governance, security, and compliance best practices</li></ul>Nice to Have:<ul><li>Experience using Power BI to turn data into dashboards</li><li>Certifications such as Cloud Data Engineering Certificates, Data Engineer Associate, AWS Certified Data Engineer, Google Professional Data Engineer, Certified Data Management Professional (CDMP), etc.</li><li>Bachelor's degree in Computer Science, Information Systems, Software/Computer Engineering, or a related field</li></ul>Why IDR?<ul><li>25+ Years of Proven Industry Experience in 4 major markets</li><li>ClearlyRated's Best of Staffing® Client and Talent Award winner 11 years in a row</li></ul>

IDR is seeking a Data Analyst to join one of our top clients in Nashville, TN. This role is pivotal in ensuring the accuracy and reliability of data within the LARS application by leading the identification, documentation, and integrity assessment of data fields. If you are looking for an opportunity to join a growing organization and work within an ever-growing team-oriented culture, please apply today!Position Overview/Responsibilities for the Data Analyst:Develop a comprehensive understanding of data fields within the LARS application, ensuring accurate documentation and mapping across various deliverables such as extracts, correspondence, certificates, and API data feeds.Conduct thorough data integrity assessments to maintain consistent and reliable data usage, adhering to best practices.Collaborate with stakeholders, including HRB members, OGC/OIV staff, Pharmacy staff, and EMS staff, to understand field usage and address data issues.Create detailed technical documentation, including mapping reports and data integrity guidelines, to support ongoing data management efforts.Manage project activities, timelines, and deliverables to align with overall project objectives.Required Skills for Data Analyst:Proficiency in data modeling, with strong expertise in Microsoft SQL and Excel.Bachelor's degree in a relevant field.Excellent analytical, communication, and collaboration skills.Experience in data mining and system administration.What's in it for you?Competitive compensation packageFull Benefits; Medical, Vision, Dental, and more!Opportunity to get in with an industry leading organizationClose-knit and team-oriented cultureWhy IDR?25+ Years of Proven Industry Experience in 4 major marketsEmployee Stock Ownership ProgramMedical, Dental, Vision, and Life InsuranceClearlyRated's Best of Staffing® Client and Talent Award winner 12 years in a row

IDR is seeking a Senior Data Analyst to join one of our top clients fully remote. This role is perfect for a seasoned professional with a strong background in data analytics and software development, who is passionate about digital transformation and continuous improvement. If you are looking for an opportunity to join a large organization and work within a team-oriented culture, please apply today! Position Overview/Responsibilities for the Senior Data Analyst: - Collaborate with staff, product teams, IT, and other functional areas within the broader firm to create and maintain analytics solutions - Drive long-term scalability and sustainability of the business for a competitive advantage - This is a 6+ month contract with the potential for extension Required Skills for Senior Data Analyst: - 4+ years of experience in software development, with a focus on low-code/no-code platforms - 4+ years of experience with data visualization tools such as Alteryx and Power BI - Experience with designing and implementing complex solutions using the Power Platform What’s in it for you? - Competitive compensation package - Full Benefits; Medical, Vision, Dental, and more! - Opportunity to get in with an industry leading organization - Close-knit and team-oriented culture Why IDR? - 25+ Years of Proven Industry Experience in 4 major markets - Employee Stock Ownership Program - Medical, Dental, Vision, and Life Insurance - ClearlyRated's Best of Staffing® Client and Talent Award winner 11 years in a row

IDR is seeking a Business Intelligence Analyst (People Analytics) to join one of our top clients in Brighton, MA. This role offers a unique opportunity to be a foundational member of a newly established People Analytics function, where you will collaborate with HR, People Analytics, Tech, and Data Engineering teams to create impactful BI solutions. If you are eager to contribute to a growing organization and thrive in a team-oriented culture, we encourage you to apply today!Position Overview/Responsibilities for the Business Intelligence Analyst (People Analytics):• Develop and deliver comprehensive analyses and reports that translate high-level KPIs into actionable insights for business leaders.• Define and standardize metrics and data definitions across HR domains, ensuring data quality and consistency.• Utilize SQL and Snowflake to explore large datasets and provide timely ad-hoc analysis.• Collaborate with cross-functional teams to align on requirements and harmonize data definitions, especially in post-merger environments.• Create detailed documentation and reusable assets to enhance team capabilities and institutional knowledge.Required Skills for Business Intelligence Analyst (People Analytics):• Over 5 years of experience in analytics or BI, with a focus on People Analytics or similar sensitive data domains.• Proficiency in SQL and experience with large datasets, preferably using Snowflake.• Familiarity with HR systems such as Workday, Greenhouse, or ADP.• Strong understanding of data governance, privacy, and compliance.• A bachelor's degree in a quantitative discipline such as Statistics, Data Science, or Engineering.What's in it for you?• Competitive compensation package• Full Benefits; Medical, Vision, Dental, and more!• Opportunity to get in with an industry-leading organization• Close-knit and team-oriented cultureWhy IDR?• 25+ Years of Proven Industry Experience in 4 major markets• Employee Stock Ownership Program• Medical, Dental, Vision, and Life Insurance• ClearlyRated's Best of Staffing® Client and Talent Award winner 12 years in a row

IDR is seeking a 100% Remote Sr. Product Manager to join one of our top clients in a fully remote capacity! This is an excellent opportunity for a strategic, product-focused leader to own the end-to-end lifecycle of complex products and drive meaningful business and user outcomes. If you have a strong background in product management and thrive in a fast-paced, collaborative environment, we encourage you to apply today!Position Overview / Responsibilities for the Sr. Product Manager:<ul><li>Lead end-to-end product ownership, from strategy and discovery through delivery and post-launch optimization.</li><li>Partner with engineering (TSAs, TPOs) and design teams to translate business needs into scalable, user-focused solutions.</li><li>Drive product discovery through structured problem-solving and critical thinking, not just intake of business requests.</li><li>Define clear product goals, success metrics, and KPIs, ensuring alignment across stakeholders and accountability for results.</li><li>Collaborate cross-functionally with engineering, design, marketing, and business partners to craft cohesive product and market strategies.</li><li>Maintain a strong sense of ownership, accountability, and continuous improvement throughout all phases of the product lifecycle.</li><li>Balance strategic insight with hands-on execution in a growing, fast-paced product organization (~17 team members across divisions).</li></ul>Required Skills for Sr. Product Manager:<ul><li>Minimum of 5+ years of dedicated product management experience (not project or program management).</li><li>Proven ability to lead strategic discovery, define measurable outcomes, and drive results.</li><li>Strong collaboration skills across technical, design, and business functions.</li><li>Excellent communication, critical thinking, and leadership capabilities.</li><li>Experience delivering high-impact products that align with business and user needs.</li></ul>What’s in it for you?<ul><li>Competitive compensation package with performance bonus.</li><li>Full benefits including Medical, Dental, Vision, and more!</li><li>Remote flexibility with opportunities for in-person collaboration in Las Vegas.</li><li>Join a growing, innovative product team where your impact will be visible and valued.</li></ul>Why IDR?<ul><li>25+ Years of Proven Industry Experience in 4 Major Markets.</li><li>Employee Stock Ownership Program.</li><li>Medical, Dental, Vision, and Life Insurance.</li><li>ClearlyRated’s Best of Staffing® Client and Talent Award Winner — 12 Years in a Row.</li></ul>

IDR is seeking a Business Analyst to join one of our top clients for an opportunity in Austin, TX. This role focuses on analyzing and optimizing business systems and processes within a utility environment to support organizational growth and efficiency. The organization values process improvement, data governance, and supporting analytics initiatives.Position Overview for the Business Analyst :<ul><li>Leads the review, analysis, and optimization of business systems and processes to align with strategic frameworks and organizational goals.</li><li>Designs and refines workflows to improve efficiency, scalability, and cross-functional performance using industry-standard methodologies.</li><li>Plays a key role in data governance, establishing policies and standards to ensure data quality and alignment with enterprise data strategies.</li><li>Collaborates with stakeholders to gather requirements and support onboarding data into modern data platforms for analytics, reporting, and business intelligence.</li><li>Supports the development and reengineering of business processes to identify inefficiencies and recommend technology-driven improvements.</li></ul>Requirements for the Business Analyst :<ul><li>Bachelor’s degree in a related field; experience may substitute for education for up to 4 years.</li><li>6+ years of experience as a Business Analyst in an IT or technical environment working with developers, solutions architects, and data teams.</li><li>6+ years of experience designing and developing business process frameworks, including standard models, workflows, and governance structures.</li><li>6+ years of experience with industry-standard business process mapping tools and methodologies.</li><li>6+ years of experience collaborating with cross-functional teams to build scalable, repeatable business processes supporting organizational growth and efficiency.</li></ul>What's in it for you?<ul><li>Competitive compensation package</li><li>Full Benefits; Medical, Vision, Dental, and more!</li><li>Opportunity to get in with an industry leading organization.</li></ul>Why IDR?<ul><li>25+ Years of Proven Industry Experience in 4 major markets</li><li>Employee Stock Ownership Program</li><li>Dedicated Engagement Manager who is committed to you and your success.</li><li>Medical, Dental, Vision, and Life Insurance</li><li>ClearlyRated's Best of Staffing® Client and Talent Award winner 12 years in a row. </li></ul>

IDR is seeking a Senior Business Analyst to join one of our top clients for an opportunity in Denver, CO. This organization operates within the data analytics and healthcare industry, focusing on data reporting and integration projects to support enterprise-level operations. The role emphasizes data analysis, reporting, and documentation in a fast-paced, data-driven environment.Position Overview for the Senior Business Analyst:<ul><li>Gather and document data and reporting requirements, including user needs and system specifications</li><li>Facilitate and run meetings with stakeholders to ensure clear communication and project alignment</li><li>Develop and maintain documentation in tools such as Confluence and Jira, ensuring process clarity</li><li>Support data-related projects such as data marts, integrations, and visualization reports, including Cognos reports</li><li>Collaborate with technical teams on data warehouse analysis, leveraging SQL and cloud understanding</li></ul>Requirements for the Senior Business Analyst:<ul><li>Strong expertise in data/ETL requirements gathering and documentation</li><li>Proficiency in SQL and data warehouse environments</li><li>Experience with Cognos and data visualization tools</li><li>Proven ability to gather requirements and document processes effectively</li><li>Healthcare industry experience, preferably with large or enterprise organizations</li></ul>What's in it for you?<ul><li>Competitive compensation package</li><li>Full Benefits; Medical, Vision, Dental, and more!</li><li>Opportunity to get in with an industry leading organization.</li></ul>Why IDR?<ul><li>25+ Years of Proven Industry Experience in 4 major markets</li><li>Employee Stock Ownership Program</li><li>Dedicated Engagement Manager who is committed to you and your success.</li><li>Medical, Dental, Vision, and Life Insurance</li><li>ClearlyRated's Best of Staffing® Client and Talent Award winner 12 years in a row.</li></ul> $50-$54/hr

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

Idr, Inc. Interview Questions

Idr, Inc. Interview Guides

Idr, Inc. Interview Questions

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