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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 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

Asml Salaries by Position

Introduction to the job As a Data Engineer in CS Diagnostic Operations team, you will be part of the digital transformation journey within Customer Support Operations towards sustainable improvement in data automation, data visualization and systems applications with the aim of creating value and reducing waste. Being as part of the CS Diagnostic Operations team, you will respectfully challenge the status quo and act as a role model for Lean thinking, and thereby act as a change agent to help ASML’s Customer Support sector in the transformation towards a Lean organization Role and responsibilities A Data Engineer in ASML’s US CS organization will work with customer support teams at all US sites: Process large amounts of data from various structured and/or unstructured sources in order to convert it to useful information Work closely with domain experts to create complex data models for predictive and prescriptive maintenance Perform advanced data activities such as pattern recognition, feature extraction, model evaluation, machine learning Handles data from various data sources and determines how best to structure the data in order to provide data in a usable format for engineers and other stakeholders Writes high quality, maintainable and robust code Works with CS engineers to understand CS workflow pain points and works with system engineers and developers to enhance CS Diagnostics Toolbox applications to improve engineering efficiency Works with product owners of sw applications such as DDF, Fab Monitoring, TPMS, and other tools in the CS Diagnostics Toolbox to reconcile key features, functions, and performance enhancements on the products’ roadmaps Where needed, designs, develops, tests, and implements custom solutions to help CS engineers improve efficiency Travel domestically to various ASML sites in the USA to understand AIDTL (A-Day-In-The-Life) of the CS engineers, collect requirements and perform other business alignment activities. Occasional international travel may be required. Escalate when needed by providing clear problem statements and technical communication. Participate in the continuous improvement lifecycle by reporting defects, performing post-mortems, updating procedures, and seeking opportunities to improve engineering efficiency and sw application performance Keep up to date with latest ASML machine changes as well as with latest advances in data science by continuous learning and training. Travel (primarily domestic) up to 25% Education and experience MS or PhD in data science, applied mathematics, computer science, engineering, materials science, or information technology or other relevant field is required If PhD, 3+ years of work experience in a manufacturing environment (preferably in semiconductor manufacturing) If MS, 5+ years of work experience in a manufacturing environment (preferably in semiconductor manufacturing) Skills Working at the cutting edge of tech, you’ll always have new challenges and new problems to solve – and working together is the only way to do that. You won’t work in a silo. Instead, you’ll be part of a creative, dynamic work environment where you’ll collaborate with supportive colleagues. There is always space for creative and unique points of view. You’ll have the flexibility and trust to choose how best to tackle tasks and solve problems. To thrive in this job, you’ll need the following skills & characteristics: Expert in organizing and managing data structures Demonstrated experience creating software applications, including data analysis tools, scripts, programs, and graphical interfaces. Working knowledge with software development lifecycle (Agile) Working w/customers (either internal or external) to collect requirements, user stories, and conveying the Voice of the Customer (VoC) Expert proficiency in common data science languages, technologies and toolkits such as Matlab, Python, Tcl/Tk, SQL, JSON, XML Working experience with the following technologies: Spark, Databricks, Azure Demonstrated application of neural networks, machine learning, data analytics, and algorithm development Experience working inside a manufacturing environment The ability to fluently speak, read, and write in English is required While not mandatory the ideal candidate would also have web design experience, cross-cultural work experience, and working proficiency with generative AI Can observe and respond to people and situations and interact with others encountered in the course of work. Can learn and apply new information or skills. Must be able to read and interpret data, information, and documents. Strong customer focus and commitment to customer satisfaction through prioritization, quality, efficiency and professionalism. Ability to complete assignments with attention to detail and high degree of accuracy. Proven ability to perform effectively in a demanding environment with changing workloads and deadlines. Result driven-demonstrate ownership and accountability. Identifies bottlenecks and drives improvements. Work independently or as part of a team and follow through on assignments with minimal supervision. Demonstrate open, clear, concise and professional communication. Ability to establish and maintain cooperative working relationships with manager, co-workers and customer. Work according to a strict set of procedures within the provided timelines. Other Information Travel (approximately 25%) will be based upon business need and durations may vary from several days to several weeks. Position is based in Hillsboro, OR Need to know more about applying for a job at ASML? Read our frequently asked questions. This position requires access to controlled technology, as defined in the Export Administration Regulations (15 C.F.R. § 730, et seq.). Qualified candidates must be legally authorized to access such controlled technology prior to beginning work. Business demands may require ASML to proceed with candidates who are immediately eligible to access controlled technology. Diversity and inclusion ASML is an Equal Opportunity Employer that values and respects the importance of a diverse and inclusive workforce. It is the policy of the company to recruit, hire, train and promote persons in all job titles without regard to race, color, religion, sex, age, national origin, veteran status, disability, sexual orientation, or gender identity. We recognize that diversity and inclusion is a driving force in the success of our company. Need to know more about applying for a job at ASML? Read our frequently asked questions. Request an Accommodation ASML provides reasonable accommodations to applicants for ASML employment and ASML employees with disabilities. An accommodation is a change in work rules, facilities, or conditions which enable an individual with a disability to apply for a job, perform the essential functions of a job, and/or enjoy equal access to the benefits and privileges of employment. If you are in need of an accommodation to complete an application, participate in an interview, or otherwise participate in the employee pre-selection process, please send an email to USHRServiceCenter@asml.com to initiate the company’s reasonable accommodation process. Please note: This email address is solely intended to provide a method for applicants to initiate ASML’s process to request accommodation(s). Any recruitment questions should be directed to the designated Talent Acquisition member for the position.

Introduction to the job We are seeking a product manager responsible for ASML computational lithography software products. In this role, you will own the comprehensive product strategy from product definition, business plan, development plan, rollout plan to roadmap extensions through end of life. You are expected to be a central resource with R&D, product engineering, quality assurance, sales and field operations as the product moves through its lifecycle. This extends from increasing the profitability of our existing product lines to developing new products. In this role, you will develop business plans for computational lithography applications and drive product generation process through market research, competitive analysis, feasibility studies, customer engagements, pricing, and business planning. You must be able to work closely with customers across the globe, translate customer business needs to product requirements, market trends and product roadmaps. You need to lead the cross-functional team across R&D, product engineering, sales and field operations to deliver successful products. This requires a highly motivated, talented and flexible individual with adept technical and business knowledge, excellent communication and presentation skills, and strong organizational and management capabilities. Role and responsibilities · Identify areas for growth and drive product definition, design and development, customer engagement and roadmap extensions · Acquire deep customer knowledge. Interact with customers to gain understanding of their technical requirements and effectively translate these requirements into the product roadmap and engagement strategies · Own product requirements, market validation and product roadmaps. Deliver product requirement documents with business cases and market feasibility and validation plans · Define feature priorities and decide detailed release scope working with the R&D, product engineering, quality assurance and project management · Evaluate the financial aspects of product development such as budgets, expenditures, research and development appropriations, return-on-investment and profit-loss projections · Develop and execute product business plan by analyzing business development opportunities and monitoring market trends. Use sales forecasting and strategic planning to ensure sales and profitability of our products · Define product rollout and customer engagement plans working with product engineering and account teams · Work with product engineering to develop comprehensive application flow and BKMs to support the flow · Be an expert with respect to the competition including competitive analysis and positioning. Develop and drive competitive marketing campaigns to ensure product market share and profitability · Collaborates cross-functionally on competitive selling, pricing, market development and field solutions · Drive and develop use cases, marketing materials, sale collaterals and market communication plans including press releases, launch materials, customer presentations, and sales training materials · Develop the core positioning and messaging for the product. Formulate, direct and coordinate market communication activities and policies to promote our products through various channels · Manage issues and escalations associated with ordering of product, systems and tools, and manufacturing supply · Customer visits and meetings with up to 25-30% travel · Other duties as assigned · Job description subject to change at any time Education and experience The candidate should have a minimum of a B.S. degree in Electrical Engineering, Computer Engineering and Physical Sciences or equivalent experience Master’s degree a plus Minimum of 5 years of relevant work experience. Working knowledge in physical design, lithography, metrology and process control. Skills Have strong customer focus and broad industry connections Own customers. Be a customer expert and advocate. Leadership skills to influence, organize and lead across multiple functional organizations with ability to bring ideas and plans to desired results Ability to develop strong relationships with engineering, sales and field support organizations Strong problem solving and analytical skills Excellent written and verbal communication skills, in a multi-cultural environment Attention to details to ensure clear product definition and performance to market plan Proficient use of all Microsoft Office suite programs Other information This position is located on-site in San Jose, CA . It requires onsite presence to attend in-person work-related events, trainings and meetings and to further ensure teamwork, collaboration and innovation. A flexible workplace arrangement is available for remote work up to two days a week. EOE AA M/F/Veteran/Disability The current base annual salary range for this role is currently: $136,125-226,875 Pay scales are determined by role, level, location and alignment with market data. Individual pay is determined through interviews and an assessment of several factors that that are unique to each candidate, including but not limited to job-related skills, relevant education and experience, certifications, abilities of the candidate and pay relative to other team members. The Company offers employees and their families, medical, dental, vision, and basic life insurance. Employees are able to participate in the Company’s 401k plan. Employees will also receive eight (8) hours of vacation leave every month and (13) paid holidays throughout the calendar year. For more information, please contact the Recruiter or click on this link Compensation & Benefits in the US. All new ASML jobs have a minimum application deadline of 10 days. Diversity and inclusion ASML is an Equal Opportunity Employer that values and respects the importance of a diverse and inclusive workforce. It is the policy of the company to recruit, hire, train and promote persons in all job titles without regard to race, color, religion, sex, age, national origin, veteran status, disability, sexual orientation, or gender identity. We recognize that diversity and inclusion is a driving force in the success of our company. Need to know more about applying for a job at ASML? Read our frequently asked questions. Request an Accommodation ASML provides reasonable accommodations to applicants for ASML employment and ASML employees with disabilities. An accommodation is a change in work rules, facilities, or conditions which enable an individual with a disability to apply for a job, perform the essential functions of a job, and/or enjoy equal access to the benefits and privileges of employment. If you are in need of an accommodation to complete an application, participate in an interview, or otherwise participate in the employee pre-selection process, please send an email to USHRServiceCenter@asml.com to initiate the company’s reasonable accommodation process. Please note: This email address is solely intended to provide a method for applicants to initiate ASML’s process to request accommodation(s). Any recruitment questions should be directed to the designated Talent Acquisition member for the position.

Asml Interview Questions

Asml Interview Guides

Asml Interview Questions

Asml Salaries by Position

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