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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 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

In an A/B test, how can you check if assignment to the various buckets was truly random?

In an A/B test, which of the following is a common method to determine if the assignment to the test groups was truly random?

In an A/B test, which of the following is a common method to determine if the assignment to the test groups was truly random?

Random Bucketing

Marketaxess Salaries by Position

About Us

MarketAxess is on a journey to digitally transform one of the world’s largest financial markets, enabling the shift from analog, phone-based trading to a fully electronic marketplace. Why does this matter? Because our platform makes trading fixed-income more accessible, ultimately improving transparency, efficiency, and competition in the marketplace. Changing the way an established industry transacts is no easy feat. There will be twists and turns, because no one’s ever done this before. But now, more than 2,000 clients around the world rely on our solutions, and that number is only expected to grow in the years ahead. We know where we’re going. How we get there is up to us. Join us and help Take Us There.

The Role

We are seeking a Software Engineer to join our next-Gen UI platform team who has a passion and expertise for front-end technologies and React ecosystems. The ideal candidate is someone who has demonstrated experience architecting, building and operating highly scalable, available, and fault-tolerant trading systems across a range of technologies. You are excited to work with a tech stack that spans ReactJS, Java, TypeScript, and more.

You should be passionate about technology, architecture, software engineering and quality, and innovatively addressing business problems. You will work with the team to collaborate on software solutions and architecture and ensure exceptional software engineering practices, and good documentation. It's essential to be willing to take on new skills to meet the shifting demands of accelerating our modernization efforts to the public cloud and Kubernetes world.

We embrace a culture of collaboration and experimentation while striving and encouraging all team members to focus on continuous improvement and learning. We openly welcome diverse perspectives and people who are not afraid to challenge assumptions and prior ways of working. Otherwise, how do we innovate, learn and grow as a team and individuals?

How You’ll Help Take Us There

Hands-on development of new functionality and maintain the company's fixed income e-trading platform for institutional credit product trading focusing on UX/UI and customer experience
Build re-usable components to be compatible across product lines
Participate in analyzing, designing, writing, and testing code, documenting, and implementing functionally appropriate, technically sound, and well-integrated application systems
This is completed in accordance with product manager’s vision, customer requirements, and organizational methodologies and standards
Work through all phases of the software development life cycle, including analysis, design, requirements, implementation, unit testing, functional testing, and postproduction release support

What We're Looking For

4+ years’ enterprise software development experience within the JavaScript/TypeScript development stack
2+ years’ experience with ReactJS with hooks
Experience working on commercial application development projects including integration with 3rd party applications using Java development stack, including SpringBoot.
Professional experience working with AG-Grid
Professional experience working with Redux
Professional experience working with Git, Git Flow
Knowledge of CSS preprocessors, (eg. SASS/ LESS/CSS-in-JS/Tailwind)
Experience testing with Jest/React Testing Library
Experience with API design and microservice architecture
Desirable experience with DevOps tools
Desirable experience with Websockets
Desirable experience with ES6, Styled Components, Material UI
Desirable experience with OpenFin
Desirable experience with Node.js
Familiar with Agile Methodology
Must be legally authorized to work in the United States permanently without employment visa sponsorship required now or in the future.

What You Can Expect From Us

In addition to working on cutting edge technology and in our culture of innovation, collaboration, and openness, we offer:

Hybrid Environment: Our employees enjoy a mix of working in the office and from home
Free Food: We provide free lunch for employees when they are working in the office. Plus, our offices are stocked with snacks.
Paid Time Off: Competitive PTO package including vacation and personal days, sick leave and charity days
Generous Parental Leave: Up to 20 weeks fully paid leave
401(k): Dollar-for-dollar employer match up to $17.5K
Employee Stock Purchase Plan: Employees can purchase MarketAxess common stock at a discount
Wellness Stipend: We provide employees with up to $1K annually towards gym memberships, home office equipment and more
Onsite Healthcare: We offer convenient access to world-class care through Mount Sinai at our Hudson Yards location
Tuition Assistance and Professional Training: Benefit from on-demand learning, boot camps, and opportunities to attend conferences
Core benefits: Highly competitive medical, dental, and vision programs

For job positions in NYC, NY, and other locations where required, the estimated salary range for a new hire into this position is $110,000 USD to $165,000 USD. Actual salary may vary depending on job-related factors, which may include knowledge, skills, experience, and location. You may also be eligible for annual cash incentives, equity, and other benefit programs.

MarketAxess Corporation and its affiliates provide equal employment opportunities to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, veteran status, or any other legally protected characteristic in the location in which the candidate is applying.

All of your information will be kept confidential according to EEO guidelines.

MarketAxess Privacy Notice for Candidates

CCPA Notice at Collection for California Employees and Applicants
#J-18808-Ljbffr

About Us MarketAxess is on a journey to digitally transform one of the world's largest financial markets, enabling the shift from analog, phone-based trading to a fully electronic marketplace. Why does this matter? Because our platform makes trading fixed-income more accessible, ultimately improving transparency, efficiency, and competition in the marketplace. Changing the way an established industry transacts is no easy feat. There will be twists and turns, because no one's ever done this before. But now, more than 2,000 clients around the world rely on our solutions, and that number is only expected to grow in the years ahead. We know where we're going. How we get there is up to us. Join us and help Take Us There. The Role We are looking for a self-directed, motivated full stack developer with a good foundation of advanced technologies and programming to join our team. The ideal candidate will be comfortable managing the development, implementation and testing of new features for complex software applications while monitoring day-to-day operation of the production systems and perform proactive and reactive system maintenance. You'll learn all the intricacies of how our trading and technology intersect within the global financial marketplace while working on a major ETF Platform integration. How You'll Help Take Us There <ul><li>Hands-on development of new functionality and maintain the company's fixed income e-trading platform for institutional credit product trading focusing on UI and customer experience</li><li>Design, build, and maintain our proprietary, low-latency trading algorithms, systems, and infrastructures</li><li>Create powerful trading tools which leverage all aspects of our high-performance system</li><li>Design, create, and test trading strategies and infrastructures with cross-functional teams</li><li>Improve the scalability, performance, and efficiency of the existing tens of thousands of trading strategies in production</li><li>Understand the future needs of the business and design technical solutions to meet these demands</li><li>Ability to handle a wide variety of projects, from frontend facing projects to backend infrastructure, each in different programming languages </li></ul> What We're Looking for <ul><li>8+ server-side development experience with C#</li><li>4+ client-side development experience with React.js using Typescript</li><li>Expertise with HTML, CSS, JavaScript</li><li>Experience with Linux environments</li><li>Experience writing complex SQL queries for SQL Server / Oracle</li><li>Strong technical background with hands-on experience in designing, developing, and implementing software applications</li><li>Experience developing software in different programming languages, and demonstrated ability to quickly learn new languages and technologies</li><li>Experience with implementing unit tests in Jest, integration tests, Test Driven Development</li><li>Strong development, analytical and problem-solving skills to be able to work independently</li><li>Experience with Agile development methodologies </li><li>Ability to join an existing project and quickly become productive</li><li>Must possess good teamwork skills and work effectively with cross-functional, multi-disciplinary teams </li></ul> What You Can Expect from Us <ul><li>Hybrid Environment: Our employees enjoy a mix of working in the office and from home</li><li>Free Food: We provide free lunch for employees when they are working in the office. Plus, our offices are stocked with snacks</li><li>Paid Time Off: Competitive PTO package including vacation and personal days, sick leave and charity days</li><li>Generous Parental Leave: Up to 20 weeks fully paid leave</li><li>401(k): Dollar-for-dollar employer match up to $17,500</li><li>Employee Stock Purchase Plan: Employees can purchase MarketAxess common stock at a discount</li><li>Wellness Stipend: We provide employees with up to $1K annually towards gym memberships, home office equipment and more</li><li>Onsite Healthcare: We offer convenient access to world-class care through Mount Sinai at our Hudson Yards location</li><li>Tuition Assistance and Professional Development: Benefit from live and on-demand learning, role-specific training, employee-led Lunch and Learns and guest speakers</li><li>Core benefits: Highly competitive medical, dental, and vision programs</li></ul> For job positions in NYC, NY, and other locations where required, the estimated salary range for a new hire into this position is $150,000 USD to $225,000 USD. Actual salary may vary depending on job-related factors, which may include knowledge, skills, experience, and location. You may also be eligible for annual cash incentives, equity, and other benefit programs. MarketAxess Corporation and its affiliates provide equal employment opportunities to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, veteran status, or any other legally protected characteristic in the location in which the candidate is applying. All of your information will be kept confidential according to EEO guidelines. MarketAxess Privacy Notice for Candidates CCPA Notice at Collection for California Employees and Applicants

Marketaxess Interview Questions

Marketaxess Interview Guides

Marketaxess Interview Questions

Marketaxess Salaries by Position

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