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

How would you assess the validity of the result?

Experiment Validity

You are testing hundreds of hypotheses with many t-tests. What considerations should be made?

What is a key disadvantage of the F-test when compared to multiple t-tests?

What is a key disadvantage of the F-test when compared to multiple t-tests?

Hundreds of Hypotheses

You are testing hundreds of hypotheses with many t-tests. What considerations should be made?

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?

Waferwire Cloud Technologies Salaries by Position

Job Title: Senior Engineering Manager – Healthcare Data SolutionsJob Location: Hyderabad, India or Pune, IndiaWorksite: Onsite (100%) About WCT:WaferWire Technology Solutions (WCT) specializes in delivering comprehensive Cloud, Data and AI solutions through Microsoft's technology stack. Our services include Strategic Consulting, Data/AI Estate Modernization, and Cloud Adoption Strategy. We excel in Solution Design encompassing Application, Data, and AI Modernization, as well as Infrastructure Planning and Migrations. Our Operational Readiness services ensure seamless DevOps, ML Ops, AI Ops, and Sec Ops implementation. We focus on Implementation and Deployment of modern applications, continuous Performance Optimization, and future-ready innovations in AI, ML, and security enhancements. Delivering from Redmond-WA, USA, Guadalajara, Mexico and Hyderabad, India, our scalable solutions cater precisely to diverse business requirements and multiple time zones (US time zone alignment). About Project: This project aims to revolutionize healthcare data management by developing advanced data pipelines and integration solutions. The goal is to enhance the efficiency and accuracy of healthcare data ingestion, monitoring, and reporting. The project encompasses multiple tracks of work, including Release Management, DevOps, Data Solutions, FHIR (Fast Healthcare Interoperability Resources), and Platform development. About Role:We are seeking an experienced Senior Engineering Manager to oversee the development and maintenance of healthcare data migration tools, integration frameworks, and analytic pipelines. This role involves providing technical leadership, driving innovation, and ensuring high-quality delivery of solutions in compliance with healthcare data standards. Responsibilities:<ul><li>Lead the design, development, and maintenance of tools for data migration, SMART on FHIR integration, and healthcare analytics.</li><li>Collaborate with stakeholders to define requirements and roadmaps for healthcare data solutions.</li><li>Troubleshoot and resolve complex technical issues related to data pipelines, API integrations, and analytic engines.</li><li>Mentor and guide engineering teams to ensure best practices in software development and architecture.</li><li>Handle escalations related to customer support, GitHub issues, and feature requests.</li><li>Ensure compliance with healthcare data standards (e.g., FHIR, SMART, HEDIS).</li></ul> Required Qualifications:<ul><li>8+ years of experience in software engineering, with at least 2 years in a people management role.</li><li>Strong expertise in back-end development using .NET, Python, or similar languages.</li><li>In-depth knowledge of cloud platforms (e.g., Azure, AWS) and serverless computing (e.g., Azure Functions).</li><li>Proficiency in API development and integration using OAuth 2.0 or similar authentication methods.</li><li>Hands-on experience with Infrastructure as Code tools (e.g., ARM, Terraform, Bicep templates).</li><li>Strong debugging, troubleshooting, and customer interaction skills.</li></ul> Preferred Experience:<ul><li>Familiarity with healthcare-specific frameworks (e.g., FHIR, SMART on FHIR).</li><li>Experience in data migration processes and analytics frameworks.</li></ul> Equal Employment Opportunity Declaration:WCT is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws, regulations and ordinances.

Job Title: Software Engineer – Data and API IntegrationJob Location: Hyderabad, India or Pune, India Worksite: Onsite (100%) About WCT:WaferWire Technology Solutions (WCT) specializes in delivering comprehensive Cloud, Data and AI solutions through Microsoft's technology stack. Our services include Strategic Consulting, Data/AI Estate Modernization, and Cloud Adoption Strategy. We excel in Solution Design encompassing Application, Data, and AI Modernization, as well as Infrastructure Planning and Migrations. Our Operational Readiness services ensure seamless DevOps, ML Ops, AI Ops, and Sec Ops implementation. We focus on Implementation and Deployment of modern applications, continuous Performance Optimization, and future-ready innovations in AI, ML, and security enhancements. Delivering from Redmond-WA, USA, Guadalajara, Mexico and Hyderabad, India, our scalable solutions cater precisely to diverse business requirements and multiple time zones (US time zone alignment). About Project: This project aims to revolutionize healthcare data management by developing advanced data pipelines and integration solutions. The goal is to enhance the efficiency and accuracy of healthcare data ingestion, monitoring, and reporting. The project encompasses multiple tracks of work, including Release Management, DevOps, Data Solutions, FHIR (Fast Healthcare Interoperability Resources), and Platform development. About Role:We are looking for a Senior Software Engineer to develop, maintain, and support healthcare integration tools and analytic solutions. This role involves working on data migration, building API integrations, and supporting analytic engines while ensuring compliance with industry standards. Responsibilities:<ul><li>Assist in building and maintaining data pipelines and API integrations.</li><li>Support the development of analytic engines for healthcare data processing.</li><li>Help troubleshoot issues and resolve bugs in tools and frameworks.</li><li>Collaborate with senior engineers to implement scalable and secure solutions.</li><li>Learn and apply healthcare data standards (e.g., FHIR, HEDIS measures) in daily tasks.</li></ul> Required Qualifications:<ul><li>1–2 years of experience in software engineering or data engineering.</li><li>Familiarity with Python, SQL, or other scripting languages.</li><li>Basic understanding of cloud platforms and API development.</li><li>Exposure to version control systems like Git.</li></ul> Preferred Experience:<ul><li>Interest in healthcare technology and standards (e.g., FHIR, SMART on FHIR).</li><li>Knowledge of big data tools or frameworks like PySpark.</li><li>Experience with synthetic data generation tools (e.g., Synthea) is a plus.</li></ul> Equal Employment Opportunity Declaration:WCT is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws, regulations and ordinances.

Job Title: Senior Software Engineer – Healthcare Integration and AnalyticsJob Location: Hyderabad, India or Pune, India Worksite: Onsite (100%) About WCT:WaferWire Technology Solutions (WCT) specializes in delivering comprehensive Cloud, Data and AI solutions through Microsoft's technology stack. Our services include Strategic Consulting, Data/AI Estate Modernization, and Cloud Adoption Strategy. We excel in Solution Design encompassing Application, Data, and AI Modernization, as well as Infrastructure Planning and Migrations. Our Operational Readiness services ensure seamless DevOps, ML Ops, AI Ops, and Sec Ops implementation. We focus on Implementation and Deployment of modern applications, continuous Performance Optimization, and future-ready innovations in AI, ML, and security enhancements. Delivering from Redmond-WA, USA, Guadalajara, Mexico and Hyderabad, India, our scalable solutions cater precisely to diverse business requirements and multiple time zones (US time zone alignment). About Project: This project aims to revolutionize healthcare data management by developing advanced data pipelines and integration solutions. The goal is to enhance the efficiency and accuracy of healthcare data ingestion, monitoring, and reporting. The project encompasses multiple tracks of work, including Release Management, DevOps, Data Solutions, FHIR (Fast Healthcare Interoperability Resources), and Platform development. About Role:We are looking for a Senior Software Engineer to develop, maintain, and support healthcare integration tools and analytic solutions. This role involves working on data migration, building API integrations, and supporting analytic engines while ensuring compliance with industry standards. Responsibilities:<ul><li>Design and maintain data migration tools and API integration frameworks for healthcare platforms.</li><li>Collaborate with cross-functional teams to troubleshoot and resolve issues in open-source tools.</li><li>Support customer queries, manage GitHub feature requests, and resolve reported bugs.</li><li>Build and optimize pipelines for processing large-scale healthcare data using cloud-native tools.</li><li>Ensure solutions are scalable, secure, and compliant with healthcare data standards (e.g., FHIR, HEDIS).</li></ul> Required Qualifications:<ul><li>5+ years of experience in software engineering or data engineering.</li><li>Proficiency in back-end development using .NET, Python, or similar technologies.</li><li>Experience with API development, authentication (e.g., OAuth 2.0), and cloud platforms (e.g., Azure, AWS).</li><li>Knowledge of version control systems like Git and experience with CI/CD pipelines.</li><li>Familiarity with data modeling and analytics tools.</li></ul> Preferred Experience:<ul><li>Hands-on experience with healthcare standards (e.g., FHIR, SMART on FHIR, HEDIS measures).</li><li>Exposure to big data frameworks like PySpark.</li></ul> Equal Employment Opportunity Declaration:WCT is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws, regulations and ordinances.

Job Title: Azure Data Engineer Job Location: Hyderabad, India / Pune, IndiaWorksite: Onsite [100%]Shift: UK Shift About WCT:WaferWire Technology Solutions (WCT) specializes in delivering comprehensive Cloud, Data and AI solutions through Microsoft's technology stack. Our services include Strategic Consulting, Data/AI Estate Modernization, and Cloud Adoption Strategy. We excel in Solution Design encompassing Application, Data, and AI Modernization, as well as Infrastructure Planning and Migrations. Our Operational Readiness services ensure seamless DevOps, ML Ops, AI Ops, and Sec Ops implementation. We focus on Implementation and Deployment of modern applications, continuous Performance Optimization, and future-ready innovations in AI, ML, and security enhancements. Delivering from Redmond-WA, USA, Guadalajara, Mexico and Hyderabad, India, our scalable solutions cater precisely to diverse business requirements and multiple time zones (US time zone alignment). About Project/Role:This is an opportunity to showcase your expertise on a global stage. It’s a one-of-a-kind unique opportunity to work on cutting edge technologies and industry use cases in partnership with Microsoft. This program is designed to showcase Microsoft's cutting-edge technologies through live hosted industry scenario and product differentiator demos. These demos enable sellers to have a competitive edge by sparking customers' imaginations using compelling stories. The demos make it easy for sellers to demonstrate the art of the possible with Data and AI integrated with Apps and Infra, MW, and BizApps. Come and join us in building these cutting-edge technology industry solutions accelerators. Responsibilities:<ul><li>Data Pipeline Design and Implementation: Design and implement scalable and efficient data pipelines using Azure Data Factory, Pyspark notebooks, Spark SQL, and Python. This includes data ingestion, data transformation, and data loading processes.</li><li>Data Modeling and Transformation: Transform data into reusable analytics assets using Microsoft Fabric components, including lakehouses, data warehouses, notebooks, dataflows, data pipelines, semantic models, and reports</li><li>Exploratory Analytics: Leverage languages such as Structured Query Language (SQL), Data Analysis Expressions (DAX), Kusto Query Language (KQL) and PySpark for exploratory analytics.</li><li>Bring Best Practices: Work closely with other roles, such as solution architects, data engineers, data scientists, AI engineers, and database administrators. Implement analytics best practices within the Fabric platform, including version control and deployment.</li></ul> Required Qualifications:<ul><li>Bachelor’s degree in Computer Science, Engineering, or a related field.</li><li>Minimum 3–5 years of experience in designing, implementing, and supporting Data Warehousing and Business Intelligence solutions on Azure Synapse data pipelines.</li><li>3-5+ years of experience SQL, Python, DAX, KQL (Kusto), Azure Data Factory</li><li>Ability to identify and implement industry best practices to improve existing processes; demonstrable achievement within a results-driven, highly ambiguous and dynamic environment.</li><li>Strong analytical skills and the ability to address complex data challenges.</li><li>Excellent teamwork and communication skills.</li><li>Strong soft skills and high Emotional Intelligence</li></ul> Preferred Qualifications: DP600/DP700(beta) certification preferred Equal Employment Opportunity Declaration:WCT is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws, regulations and ordinances.

Waferwire Cloud Technologies Interview Questions

Waferwire Cloud Technologies Interview Guides

Waferwire Cloud Technologies Interview Questions

Waferwire Cloud Technologies Salaries by Position

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