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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 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

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?

Blackline Salaries by Position

Get to Know Us: It's fun to work in a company where people truly believe in what they're doing! At BlackLine, we're committed to bringing passion and customer focus to the business of enterprise applications. Since being founded in 2001, BlackLine has become a leading provider of cloud software that automates and controls the entire financial close process. Our vision is to modernize the finance and accounting function to enable greater operational effectiveness and agility, and we are committed to delivering innovative solutions and services to empower accounting and finance leaders around the world to achieve Modern Finance. Being a best-in-class SaaS Company, we understand that bringing in new ideas and innovative technology is mission critical. At BlackLine we are always working with new, cutting edge technology that encourages our teams to learn something new and expand their creativity and technical skillset that will accelerate their careers. Work, Play and Grow at BlackLine! Make Your Mark: As a Senior Software Engineer, you will play a crucial role in delivering high quality releases to our customers by designing, developing, troubleshooting, maintaining, optimizing and scaling BlackLine's cloud-based backend services and driving innovation into our product suite. In this role, you will research, test, benchmark and evaluate new technologies, propose scaling solutions, collaborate with other teams to define and build new features, optimize existing features while writing elegant code, coaching and mentoring less experienced software engineers and communicating with people at all levels. Your attention to detail, tenacity, and creative problem-solving and thinking ahead will directly impact the company's success, as well as the success of your peers across the organization. If you have a passion for delivering products that make a difference, are driven to make things better in all that you do and are eager to work in a collaborative agile environment where Developers are dedicated to solving customer problems and innovating, then we want to talk to you. You'll Get To: <ul><li>Provide technical expertise and leadership in the design, development, and delivery of BlackLine's products, while adhering to timelines, coding standards, requirements, and quality. </li><li>Architect, design, develop, test, troubleshoot, debug, optimize, scale, maintain and improve software applications, driving the delivery of high quality value and features to BlackLine's customers. Develop functional and technical specifications, and test plans. Review others' code. Develop and document functional and technical requirements. Collaborate with other team members and other teams on all of the above. </li><li>Design and communicate coding standards, architectural plans, solve complex design and architectural problems, create robust architectural solutions. </li><li>Implement, refine, and enforce software development techniques to ensure that delivered features meet software integration, performance, security, and maintainability expectations. </li><li>Research, test, benchmark, and evaluate new tools and technologies, and recommend ways to implement them in product development. </li><li>Maintain high standards of software quality and technical excellence within the team by establishing good practices and habits and writing clean, testable, maintainable, and secure code. </li><li>Inspire a forward-thinking team of developers, acting as an agent of change and evangelist for a quality-first culture within the organization. Mentor and coach team members and guide them to solutions on complex design issues. </li><li>Proactively identify issues, bottlenecks, gaps, or other areas of concern or opportunity and work to either directly affect change, or advocate for that change by working with peers and leadership to build consensus and take action. </li><li>Perform critical maintenance, deployment, and release support activities, including occasional off-hours support. </li><li>Adaptable team player with strong collaboration skills and a focus on results and value delivery. </li><li>Passion for engineering excellence, curiosity and demonstrated ability of continuous learning. </li></ul> What You'll Bring: <ul><li>8+ Years of Experience in Related Field.</li><li>3+ Years of experience in security authentication protocols like SAML, OIDC.</li><li>5+ years of experience with software development in general purpose programming languages including but not limited to: Java, Ruby.</li><li>5+ years of hands-on experience in building Web Applications, SaaS products, and RESTful APIs. </li><li>3+ years of experience with Security (OKTA, MFA, SSO, etc).</li><li>A solid computer science foundation including data structures, algorithms, and design patterns, with a proven track record of software design and architecture of complex systems. </li><li>Experience in service-oriented architecture and aspect-oriented programming.</li><li>Experience as a technical influencer for highly scalable distributed system designs. </li><li>Advanced knowledge of SQL, including stored procedures, data models, and transactional flows. </li><li>Fluent in SQL, data modeling and transactional flows. </li><li>Experience with multi-threading and concurrency. </li><li>Knowledge of Web Application Authentication and Authorization concept as well as security recommendations.</li><li>Adaptable team player with strong collaboration skills and a focus on results and value delivery. </li><li>Passion for engineering excellence through automation, unit testing, and process improvements. </li><li>Superior analytical and problem-solving abilities. </li><li>Excellent written and verbal communication skills.</li></ul> We're Even More Excited If You Have: <ul><li>Good knowledge of internet security issues in software design and code. </li><li>Experience with ERP systems like MS Dynamics-365, Oracle, NetSuite, Intacct is a plus.</li><li>Experience with open source tools. </li><li>Experience with public cloud architectures (Azure, ASW or GCP) and cloud native services. </li><li>Experience designing and scaling high performance systems. </li><li>Experience with container management solutions like Mesos, Kubernetes or Nomad. </li><li>Experience with API gateway, identity management, authentication, messaging platforms (e.g: Kafka, SQS, RabbitMQ), workflow orchestration tools, job scheduling and search. </li><li>FinTech or Financial services domain background. </li><li>Prior working experience in Scrum, or other Agile development methodologies, is preferred. </li><li>Experience with front-end technologies (HTML, JavaScript, CSS, JavaScript Frameworks, etc.). </li><li>Experience with data integration and middleware software tools.</li></ul> Thrive at BlackLine Because You Are Joining: <ul><li>A technology-based company with a sense of adventure and a vision for the future. Every door at BlackLine is open. Just bring your brains, your problem-solving skills, and be part of a winning team at the world's most trusted name in Finance Automation!</li><li>A culture that is kind, open, and accepting. It's a place where people can embrace what makes them unique, and the mix of cultural backgrounds and varying interests cultivates diverse thought and perspectives.</li><li>A culture where BlackLiner's continued growth and learning is empowered. BlackLine offers a wide variety of professional development seminars and inclusive affinity groups to celebrate and support our diversity.</li></ul> BlackLine is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity or expression, race, age, religious creed, national origin, physical or mental disability, ancestry, color, marital status, sexual orientation, military or veteran status, status as a victim of domestic violence, sexual assault or stalking, medical condition, genetic information, or any other protected class or category recognized by applicable equal employment opportunity or other similar laws. BlackLine recognizes that the ways we work and the workplace itself has shifted. We innovate in a workplace that optimizes a combination of virtual and in-person interactions to maximize collaboration and nurture our culture. Candidates who live within a reasonable commute to one of our offices will work in the office at least 2 days a week. Salary Range: USD $145,000.00 - USD $193,000.00 Pay Transparency Statement: Placement within this range depends upon several factors, including the applicant's prior relevant job experience, skill set, and geographic location. In addition to base pay, BlackLine also offers short-term and long-term incentive programs, based on eligibility, along with a robust offering of benefit and wellness plans.

Blackline Interview Questions

Blackline Interview Guides

Blackline Interview Questions

Blackline Salaries by Position

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