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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

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?

Exegy Salaries by Position

About Exegy Exegy is a global leader in intelligent market data, advanced trading systems, and future-proof technology. Exegy serves as a trusted partner to the complete ecosystem of the buy-side, sell-side, exchanges, and financial services technology firms around the globe. Headquartered in St. Louis with regional offices in North America, the UK/Europe and Asia Pacific, Exegy has the global footprint to deliver world-class support and managed services to its customer base of elite financial market participants. Job Summary Are you passionate about cutting-edge technologies and looking for an opportunity to make a significant impact? As an engineer in our Managed Services Engineering (MSE) department, you will be at the forefront of innovation, helping to design, program, and maintain user interfaces, APIs, and automated processes for Exegy product deployment, configuration management, service health monitoring, and service management. Why You'll Love Working With Us: <ul> <li>Innovative Environment: Work with a variety of cutting-edge technologies including Linux, Python, Puppet, Git, Docker, ServiceNow, JavaScript, and Angular. </li><li>Impactful Work: Our tools and processes support critical operational processes such as provisioning, notifications, and customer support, ensuring smooth and efficient service delivery. </li><li>Collaborative Culture: Be part of a team that values collaboration with adjacent teams and 3rd party vendors to drive projects to resolution. </li></ul>Your Role: As a key member of our team, you will: <ul> <li>Develop and Innovate: Create, test, deploy, and support software, configuration, and architecture for automated monitoring and management systems. </li><li>Collaborate: Work closely with cross-functional teams and external vendors to ensure project success. </li><li>Contribute: Provide insightful feedback on software design and participate in code reviews. </li><li>Optimize: Analyze and fine-tune system performance to ensure peak efficiency. </li><li>Resolve Issues: Investigate, troubleshoot, and resolve issues raised by customers and support teams promptly and effectively. </li></ul>What We're Looking For: We seek individuals who bring strong technical skills, innovative thinking, and a collaborative spirit to our team. You'll be a great fit if you have: <ul> <li>Proficiency in Python: 5-7+ years of experience showcasing strong programming skills. </li><li>Linux Expertise: Demonstrated experience with Linux environments and tools. </li> <li>Monitoring and Automation: Hands-on experience with monitoring tools, Docker, and Virtual Machines. </li><li>Configuration Management: Experience with Puppet (including preferred experience with Ruby) or similar configuration management software. </li><li>API Knowledge: A good understanding of using and creating APIs. </li><li>Process Management: Familiarity with Business Process Management and ITIL concepts. </li><li>Tools Experience: Knowledge of ServiceNow and/or Jira. </li><li>Networking Fundamentals: Understanding of TCP/IP concepts (sockets, switching, routing, NAT). </li></ul>What Sets You Apart: <ul> <li>Self-Motivation: A drive to take on new challenges, big or small. </li><li>Effective Communication: Ability to communicate effectively with both internal and external stakeholders. </li><li>Problem-Solving Skills: An independent thinker who proactively starts solving problems. </li><li>Clarity in Documentation: Clear and concise communication and documentation style. </li><li>Adaptability: Strong but adaptable positions, making you an effective team member in varied contexts. </li><li>Proactive Attitude: A do-what-it-takes attitude, stepping outside your job description to ensure success. </li></ul>

About Exegy Exegy is a global leader in intelligent market data, advanced trading systems, and future-proof technology. Exegy serves as a trusted partner to the complete ecosystem of the buy-side, sell-side, exchanges, and financial services technology firms around the globe. Headquartered in St. Louis with regional offices in North America, the UK/Europe and Asia Pacific, Exegy has the global footprint to deliver world-class support and managed services to its customer base of elite financial market participants. Job Summary Are you passionate about cutting-edge technologies and looking for an opportunity to make a significant impact? As an engineer in our Managed Services Engineering (MSE) department, you will be at the forefront of innovation, helping to design, program, and maintain user interfaces, APIs, and automated processes for Exegy product deployment, configuration management, service health monitoring, and service management. Why You'll Love Working With Us: <ul><li>Innovative Environment: Work with a variety of cutting-edge technologies including Linux, Python, Puppet, Git, Docker, ServiceNow, JavaScript, and Angular.</li><li>Impactful Work: Our tools and processes support critical operational processes such as provisioning, notifications, and customer support, ensuring smooth and efficient service delivery.</li><li>Collaborative Culture: Be part of a team that values collaboration with adjacent teams and 3rd party vendors to drive projects to resolution.</li></ul> Your Role: As a key member of our team, you will: <ul><li>Develop and Innovate: Create, test, deploy, and support software, configuration, and architecture for automated monitoring and management systems.</li><li>Collaborate: Work closely with cross-functional teams and external vendors to ensure project success.</li><li>Contribute: Provide insightful feedback on software design and participate in code reviews.</li><li>Optimize: Analyze and fine-tune system performance to ensure peak efficiency.</li><li>Resolve Issues: Investigate, troubleshoot, and resolve issues raised by customers and support teams promptly and effectively.</li></ul> What We're Looking For: We seek individuals who bring strong technical skills, innovative thinking, and a collaborative spirit to our team. You'll be a great fit if you have: <ul><li>Proficiency in Python: 5-7+ years of experience showcasing strong programming skills.</li><li>Linux Expertise: Demonstrated experience with Linux environments and tools. </li><li>Monitoring and Automation: Hands-on experience with monitoring tools, Docker, and Virtual Machines.</li><li>Configuration Management: Experience with Puppet (including preferred experience with Ruby) or similar configuration management software.</li><li>API Knowledge: A good understanding of using and creating APIs.</li><li>Process Management: Familiarity with Business Process Management and ITIL concepts.</li><li>Tools Experience: Knowledge of ServiceNow and/or Jira.</li><li>Networking Fundamentals: Understanding of TCP/IP concepts (sockets, switching, routing, NAT).</li></ul> What Sets You Apart: <ul><li>Self-Motivation: A drive to take on new challenges, big or small.</li><li>Effective Communication: Ability to communicate effectively with both internal and external stakeholders.</li><li>Problem-Solving Skills: An independent thinker who proactively starts solving problems.</li><li>Clarity in Documentation: Clear and concise communication and documentation style.</li><li>Adaptability: Strong but adaptable positions, making you an effective team member in varied contexts.</li><li>Proactive Attitude: A do-what-it-takes attitude, stepping outside your job description to ensure success.</li></ul>

About Exegy Exegy is a global leader in intelligent market data, advanced trading systems, and future-proof technology. Exegy serves as a trusted partner to the complete ecosystem of the buy-side, sell-side, exchanges, and financial services technology firms around the globe. Headquartered in St. Louis with regional offices in North America, the UK/Europe and Asia Pacific, Exegy has the global footprint to deliver world-class support and managed services to its customer base of elite financial market participants. Job Summary Are you passionate about cutting-edge technologies and looking for an opportunity to make a significant impact? As an engineer in our Managed Services Engineering (MSE) department, you will be at the forefront of innovation, helping to design, program, and maintain user interfaces, APIs, and automated processes for Exegy product deployment, configuration management, service health monitoring, and service management. Why You'll Love Working With Us: <ul><li>Innovative Environment: Work with a variety of technologies including Linux, Python, Puppet, Git, Docker, ServiceNow, TypeScript, JavaScript, and Angular.</li><li>Impactful Work: Our tools and processes support critical operational processes such as provisioning, notifications, and customer support, ensuring smooth and efficient service delivery.</li><li>Collaborative Culture: Be part of a team that values collaboration with adjacent teams and 3rd party vendors to drive projects to resolution.</li></ul> Your Role: As a key member of our team, you will: <ul><li>Develop and Innovate: Create, test, deploy, and support software, configuration, and architecture for automated monitoring and management systems.</li><li>Collaborate: Work closely with cross-functional teams and external vendors to ensure project success.</li><li>Contribute: Provide insightful feedback on software design and participate in code reviews.</li><li>Optimize: Analyze and fine-tune system performance to ensure peak efficiency.</li><li>Resolve Issues: Investigate, troubleshoot, and resolve issues raised by customers and support teams promptly and effectively.</li></ul> What We're Looking For: We seek individuals who bring strong technical skills, innovative thinking, and a collaborative spirit to our team. You'll be a great fit if you have: <ul><li>Proficiency in JavaScript/TypeScript: 5-7+ years of experience showcasing strong programming skills.</li><li>Angular or Similar Framework Experience</li><li>Linux Expertise: Demonstrated experience with Linux environments and tools. </li><li>Monitoring and Automation: Hands-on experience with monitoring tools, Docker, and Virtual Machines.</li><li>Configuration Management: Experience with Puppet (including preferred experience with Ruby) or similar configuration management software.</li><li>API Knowledge: A good understanding of using and creating APIs.</li><li>Process Management: Familiarity with Business Process Management and ITIL concepts.</li><li>Tools Experience: Knowledge of ServiceNow and/or Jira.</li></ul> What Sets You Apart: <ul><li>Self-Motivation: A drive to take on new challenges, big or small.</li><li>Effective Communication: Ability to communicate effectively with both internal and external stakeholders.</li><li>Problem-Solving Skills: An independent thinker who proactively starts solving problems.</li><li>Clarity in Documentation: Clear and concise communication and documentation style.</li><li>Adaptability: Strong but adaptable positions, making you an effective team member in varied contexts.</li><li>Proactive Attitude: A do-what-it-takes attitude, stepping outside your job description to ensure success.</li></ul>

<h3>Job Description</h3><div>Job Description<div>Description:About ExegyExegy is a global leader in intelligent market data, advanced trading systems, and future-proof technology. Exegy serves as a trusted partner to the complete ecosystem of the buy-side, sell-side, exchanges, and financial services technology firms around the globe. Headquartered in St. Louis with regional offices in North America, the UK/Europe and Asia Pacific, Exegy has the global footprint to deliver world-class support and managed services to its customer base of elite financial market participants. Job SummaryExegy is seeking a highly motivated entry/mid-level data analyst to work closely with other dedicated engineers in our Market Data Engineering group. The successful applicant will join an elite group of individuals charged with implementing and delivering all aspects of Exegy feed handler products. This role is focused on ensuring the software products have been designed, implemented, and delivered to a common market data model that allows our customers to maintain their edge in the most challenging IT-dependent sector in the world. This will require an individual with excellent analytical skills, meticulous attention to detail and the ability to work with multiple engineering teams and stakeholders. Successful candidates should have a strong work ethic and the ability to quickly learn complex concepts relating to market data processing systems. It will be a very challenging and rewarding role ideally suited to a person who is willing to learn and with a desire for career progression. This is a hybrid role based in St Louis, MO. Responsibilities<ul><li>Develop and enhance Exegy Market Data Model to include new technologies and asset classes</li><li>Support the development and onboarding of all new market data venues</li><li>Define and document standard market data normalization practices for key trading events, principles, and governance</li><li>Develop processes and tools to enhance the quality and efficiency of market data management within Exegy</li><li>Verify and validate new and existing feed data model designs</li><li>Identify ways to automate testing and verification of market data feed normalization and behavior</li><li>Assist with troubleshooting data normalization defects </li><li>Identify deficiencies in the Exegy Market Data Model</li><li>Support Customer Success and Operations teams with market data related inquiries and issues</li><li>Proactively plan for the adaptation of the Exegy Market Data Model to regulatory and mandated changes in the marketplace</li><li>Analyze financial market data to fulfil responsibilities as listed above</li><li>Work with key stakeholders across the business (i.e. Development, QA, Operations and Product Management)</li><li>Create, update, and publish market data feed documentation</li></ul>Our Ideal Candidate Has:<ul><li>BS degree in Computer Science, Electrical Engineering, or relevant industry experience</li><li>1 to 2 years experience in software development, in C/C++ preferred</li><li>Experience with scripting languages, Python preferred</li><li>Familiarity with Linux operating systems (RedHat, CentOS, SUSE Linux)</li><li>Previous experience in a data analytics role or using data analytics tools</li><li>Experience working with development and QA teams</li><li>Excellent problem solving, critical thinking, and analytical abilities</li><li>Effective communication – good oral and written interpersonal skills adequate for dealing & communicating clearly with people across all levels of the organization</li><li>Understanding of the Software Development Life Cycle (SDLC) and Agile methodology</li><li>Experience with JIRA/Confluence</li><li>Experience with real-time financial market data preferred</li><li>Proficiency with Microsoft Office suite, specifically Microsoft Excel</li></ul>Requirements: </div></div>

Exegy is a global leader in intelligent market data, advanced trading systems, and future-proof technology. Exegy serves as a trusted partner to the complete ecosystem of the buy-side, sell-side, exchanges, and financial services technology firms around the globe. Headquartered in St. Louis with regional offices in North America, the UK/Europe and Asia Pacific, Exegy has the global footprint to deliver world-class support and managed services to its customer base of elite financial market participants. Job Summary Exegy is seeking a highly motivated senior level software engineer to work closely with other dedicated engineers in our Market Data Engineering group. The engineer will be responsible for the design, implementation, documentation, and debugging of time critical, multi-threaded, distributed applications that interact with Exegy's custom hardware acceleration devices. Successful candidates should have a strong work ethic, work well with others in a team environment, and the ability to quickly learn complex concepts relating to market data processing systems. Responsibilities <ul> <li>Design and build ultra-low latency Foreign Exchange feed handlers for Equities, Options, Commodities, Fixed Income and Foreign Exchange markets </li><li>Design and build reusable and extensible software to process financial market data in an ultra-low latency system </li><li>Refactor and test existing software implementations </li><li>Support Technical Account Managers and Operations </li><li>Mentor other Market Data Engineer developers </li><li>Work with other development groups at Exegy on strategic initiatives </li><li>Identify ways to automate testing, packaging, and deployment </li></ul>Our Ideal Candidate Has: <ul> <li>BS degree in Computer Science, Electrical Engineering, or relevant industry experience </li><li>5+ years experience in developing multithreaded C++ software systems </li><li>3+ years experience in designing clean and extensible object oriented designs </li><li>Experience in applying design patterns </li><li>Experience with scripting languages, Python preferred </li><li>Familiarity with Linux operating systems (RedHat, CentOS, SUSE Linux) </li><li>Experience with Linux development and debugging tools </li><li>Knowledge of profiling, memory leak detection and other code analysis </li><li>Experience developing real-time or ultra-low latency C++ software systems preferred </li><li>Experience with financial market data preferred </li> </ul>

Exegy Interview Questions

Exegy Interview Guides

Exegy Interview Questions

Exegy Salaries by Position

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