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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?

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?

Magnit Salaries by Position

Title: Business Analyst, External Quality Location: Louisville, KY 40258 - ONSITE Duration: 12+ Months Contract role Pay Rate: $72.26 - $96.35/Hour on W2 Job description: Description: <ul> <li>Genentech is in business for life. Every day, patients all over the world are helped by life-saving medicines that the Pharma Global Technical Operations (PT) organization manufactures and distributes. Ensuring that every single dose meets the expectations and standards for safe usage is the primary focus of our global Quality organization, and our Quality team at the Kentucky Distribution Center (KDC) completes the final steps before products can be delivered to patients. </li></ul> <ul> <li>This Business Analyst, External Quality (contractor) position is an operational role in the Quality team at KDC, Genentechs primary North American logistics and distribution hub. This role is part of a globally connected team within the External Quality organization supporting the Genentech/Roche network of distribution and transportation activities. </li></ul> <ul> <li>One of the teams critical responsibilities is to ensure the successful implementation of master data and business-critical Quality processes in an ERP evolution (SAP ECC to S4/Hana), which would be your primary area of responsibility. More generally, our KDC team provides the final confirmation that Genentechs internally and externally (CMO) manufactured life-saving products comply with Quality requirements before being released to patients via distributors and hospitals. Other responsibilities include ensuring site clinical and commercial supply distribution operations and contractors comply with cGMPs, cGDPs and Quality Agreements. In addition to supporting the systemic ERP evolution, as a Business Analyst within our team you would be a key enabler of opportunities to automate or streamline existing processes and procedures. </li></ul> This role is responsible to: <ul> <li>Provide input and support in defining the data migration strategy for Quality-related data. Ensure the quality and accuracy of all Quality data migrated from legacy systems to the new S4 platform. </li><li>Own and define the content and structure of Quality-related data in the source systems. </li><li>Review and confirm data matching processes to ensure accuracy and consistency. </li><li>Act as a key point of contact for local Quality data issues and work with global teams to resolve discrepancies. </li><li>Contribute to data validation and testing efforts during the S4 implementation to ensure data integrity. </li><li>Maintain alignment with the overall data governance framework and ensure adherence to Quality data standards. </li><li>Support/lead continuous improvement opportunities related to Quality applications/systems (SAP, Veeva, etc.) Actively seek opportunities for quantifiable efficiency gains through automation/simplification. </li><li>Act as Point of Contact for End User/business stakeholders in terms of business requests and IT related issues. </li><li>Monitor and improve stakeholder and user experience and ensure strong support of Product Release in collaboration with Supply Chain Business Partners. </li><li>Familiarity with Product Release/Lot Disposition process is a strong plus. </li><li>Support site audits and inspections, planned/unplanned events, implementation of corrections, etc. as a Subject Matter Expert. </li></ul> Who you are: <ul> <li>Must have experience in Quality for biotech/life sciences/pharmaceutical manufacturing. </li><li>Business domain knowledge in Biopharmaceutical or similar Manufacturing domain. </li><li>Knowledge of Good Manufacturing Practices (GMP), Health Authority practices, 21 CFR Part 11, cGMP Annex 11, Data Integrity principles. </li><li>7+ years of experience with SAP ECC, experience or familiarity with SAP S4 HANA is a plus. </li><li>Support and troubleshooting of applications, primarily focused on SAP ECC and S4 but could expand to other systems. </li><li>You can identify, analyze, and solve complex technical issues. Strong business acumen and ability to prioritize value delivery. </li><li>Strong analytical skills for effective troubleshooting and problem solving. </li><li>Excellent customer service skills and delivery through agile mindset, stability, flexibility, and speed. </li><li>Can identify opportunities to create additional value and improve business processes and patient outcomes, and efficiently deliver the benefits of standardization of technologies </li><li>Lean-Agile Mindset with focus on Continuous Improvement. Familiarity with Lean Production System fundamentals is a plus. </li><li>Proactive thinking; open minded curiosity, eagerness to learn. Inclusive mindset. </li><li>Able to communicate clearly and professionally both in writing and verbally. Can summarize and prioritize information for efficient, effective messaging. </li><li>Bachelors Degree. </li></ul> Work schedule: <ul> <li>Onsite at the Kentucky Distribution Center </li></ul> Pay Rate & Benefits: <ul> <li>Hourly Pay Rate Range (dependent on location, experience, expectation) </li><li>The pay range that Magnit reasonably expects to pay for this position is: $72.26 - $96.35 hour on W2. </li><li>Benefits: Medical, Dental, Vision, 401K (provided minimum eligibility hours are met). </li></ul> QUALIFICATION/ LICENSURE : <ul> <li>Work Authorization : Green Card, US Citizen </li><li>Preferred years of experience : 7+ Years </li><li>Travel Required : No travel required </li><li>Shift timings: 9 AM to 5 PM </li> </ul>

Title: Business Analyst, External QualityLocation: Louisville, KY 40258 - ONSITEDuration: 12+ Months Contract role Pay Rate: $72.26 - $96.35/Hour on W2 Job description:Description:<ul><li>Genentech is in business for life. Every day, patients all over the world are helped by life-saving medicines that the Pharma Global Technical Operations (PT) organization manufactures and distributes. Ensuring that every single dose meets the expectations and standards for safe usage is the primary focus of our global Quality organization, and our Quality team at the Kentucky Distribution Center (KDC) completes the final steps before products can be delivered to patients.</li></ul> <ul><li>This Business Analyst, External Quality (contractor) position is an operational role in the Quality team at KDC, Genentech’s primary North American logistics and distribution hub. This role is part of a globally connected team within the External Quality organization supporting the Genentech/Roche network of distribution and transportation activities.</li></ul> <ul><li>One of the team’s critical responsibilities is to ensure the successful implementation of master data and business-critical Quality processes in an ERP evolution (SAP ECC to S4/Hana), which would be your primary area of responsibility. More generally, our KDC team provides the final confirmation that Genentech’s internally and externally (CMO) manufactured life-saving products comply with Quality requirements before being released to patients via distributors and hospitals. Other responsibilities include ensuring site clinical and commercial supply distribution operations and contractors comply with cGMPs, cGDPs and Quality Agreements. In addition to supporting the systemic ERP evolution, as a Business Analyst within our team you would be a key enabler of opportunities to automate or streamline existing processes and procedures.</li></ul> This role is responsible to:<ul><li>Provide input and support in defining the data migration strategy for Quality-related data. Ensure the quality and accuracy of all Quality data migrated from legacy systems to the new S4 platform.</li><li>Own and define the content and structure of Quality-related data in the source systems.</li><li>Review and confirm data matching processes to ensure accuracy and consistency.</li><li>Act as a key point of contact for local Quality data issues and work with global teams to resolve discrepancies.</li><li>Contribute to data validation and testing efforts during the S4 implementation to ensure data integrity.</li><li>Maintain alignment with the overall data governance framework and ensure adherence to Quality data standards.</li><li>Support/lead continuous improvement opportunities related to Quality applications/systems (SAP, Veeva, etc.) Actively seek opportunities for quantifiable efficiency gains through automation/simplification.</li><li>Act as Point of Contact for End User/business stakeholders in terms of business requests and IT related issues.</li><li>Monitor and improve stakeholder and user experience and ensure strong support of Product Release in collaboration with Supply Chain Business Partners.</li><li>Familiarity with Product Release/Lot Disposition process is a strong plus.</li><li>Support site audits and inspections, planned/unplanned events, implementation of corrections, etc. as a Subject Matter Expert.</li></ul> Who you are:<ul><li>Must have experience in Quality for biotech/life sciences/pharmaceutical manufacturing.</li><li>Business domain knowledge in Biopharmaceutical or similar Manufacturing domain.</li><li>Knowledge of Good Manufacturing Practices (GMP), Health Authority practices, 21 CFR Part 11, cGMP Annex 11, Data Integrity principles.</li><li>7+ years of experience with SAP ECC, experience or familiarity with SAP S4 HANA is a plus.</li><li>Support and troubleshooting of applications, primarily focused on SAP ECC and S4 but could expand to other systems.</li><li>You can identify, analyze, and solve complex technical issues. Strong business acumen and ability to prioritize value delivery.</li><li>Strong analytical skills for effective troubleshooting and problem solving.</li><li>Excellent customer service skills and delivery through agile mindset, stability, flexibility, and speed.</li><li>Can identify opportunities to create additional value and improve business processes and patient outcomes, and efficiently deliver the benefits of standardization of technologies</li><li>Lean-Agile Mindset with focus on Continuous Improvement. Familiarity with Lean Production System fundamentals is a plus.</li><li>Proactive thinking; open minded curiosity, eagerness to learn. Inclusive mindset.</li><li>Able to communicate clearly and professionally both in writing and verbally. Can summarize and prioritize information for efficient, effective messaging.</li><li>Bachelor’s Degree.</li></ul> Work schedule:<ul><li>Onsite at the Kentucky Distribution Center</li></ul> Pay Rate & Benefits:<ul><li>Hourly Pay Rate Range (dependent on location, experience, expectation)</li><li>The pay range that Magnit reasonably expects to pay for this position is: $72.26 - $96.35 hour on W2.</li><li>Benefits: Medical, Dental, Vision, 401K (provided minimum eligibility hours are met).</li></ul> QUALIFICATION/ LICENSURE :<ul><li>Work Authorization : Green Card, US Citizen</li><li>Preferred years of experience : 7+ Years</li><li>Travel Required : No travel required</li><li>Shift timings: 9 AM to 5 PM</li></ul>

This is a contract and Hybrid role through Magnit Global with one of the world’s leading health insurance companies. This is NOT a C2C opportunity and is on W-2. Client DetailsJob Position : Sr Data Scientist / Machine Learning EngineerClient : Roche GenentechLocation : South San Francisco, CaliforniaDuration : 12 + Months (Possibilities of Extensions) Job Description:We are looking for a Sr Data Scientist with experience in Machine Learning Engineering to join the Roche Product Development Digital Strategy & Enablement team (PD-DSE). In the DSE we focus on delivering technology that evolves the practice of medicine and helps patients live longer, better lives. We are a diverse team of open and friendly people, enthusiastic about technological novelties and optimal enterprise solutions. We share knowledge, experience & appreciate different points of view. As a Senior Data Scientist, you will work closely with multi-disciplinary teams to design, develop and deploy structured, high-quality data solutions in particular Large Language Model (LLM) applications. These solutions will be leveraged across the PD organization to help our teams fulfill our mission: to do now what patients need next. Key Accountabilities:<ul><li>Partner with fellow Data Scientists, ML engineers, MLOps / DevOps engineers and cross functional teams to solve complex problems and create unique solutions by using modern NLP technologies in particular LLMs.</li><li>Build data pipelines and deployment pipelines for ML models.</li><li>Development of ML models according to business and functional requirements.</li><li>Able to help deploy various models and tune them for better performance.</li><li>Document and communicate the design and implementation details.</li><li>Contribute to the DSE AI team on technical decisions.</li><li>Collaborate with clients, informatics departments to deploy scalable and easy-to-maintain solutions.</li><li>Serves as a technical point of contact for enterprise wide technologies solutions. Leads complex troubleshooting efforts and root cause analysis.</li></ul> Qualifications:<ul><li>Experience with LLM applications development including tool using and reasoning, for instance RAG solution and code interpreter.</li><li>Experience with LLM fine tuning a big plus</li><li>Experience in building data pipelines and deployment pipelines for LLM applications</li><li>Recent experience with ML/AI toolkits such as AWS Sagemager (other toolkits like Pytorch, Tensorflow, Keras, MXNet, H20, etc are nice to have).</li><li>Experience with MLOps technologies (Sagemaker, Vertex AI, Kubeflow)</li><li>Experience with cloud solutions (AWS / Azure / GCP), docker</li><li>Proven scripting and automation skills</li><li>Good knowledge of: git, bash, linux, CI/CD tools (e.g. jenkins, gitlab CI), software lifecycle, RDB, visualization tools eg Tableau, Jira, confluence</li><li>Programming languages: Python, R</li><li>Test driven development, good coding practices</li><li>Problem-solving and decision-making skills.</li><li>Good interpersonal skills.</li><li>Customer & delivery focus.</li><li>Ability to work effectively with team members and virtual teams from different locations and different cultural backgrounds.</li><li>Experience with deployment of scalable apps a plus</li><li>Experience with clinical study data a plus</li></ul> Education / Years of Experience:<ul><li>Master in quantitative field (e.g. mathematics, statistics, computer science, EE, etc.), and/or Life Sciences degree with significant computational experience, or equivalent, with 5+ year working experience in Data Science. PhD a plus.</li><li>2+ years of commercial Data Engineering / ML Engineering / MLOps / UI/UX engineering experience</li><li>3+ years of commercial software engineering experience</li></ul>

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