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Clear street Interview Questions

there is a growing problem in capital markets. traders have outgrown the infrastructure that banks use to serve them. prices are rising, access is declining, and innovation is at a standstill. clear street is building infrastructure that will power global trading in 2030 and beyond.

there is a growing problem in capital markets. traders have outgrown the infrastructure that banks use to serve them. prices are rising, access is declining, and innovation is at a standstill. clear street is building infrastructure that will power global trading in 2030 and beyond.

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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?

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

Clear street Salaries by Position

About Clear Street: Clear Street is modernizing the brokerage ecosystem. Founded in 2018, Clear Street is a diversified financial services firm replacing the legacy infrastructure used across capital markets. We started from scratch by building a completely cloud-native clearing and custody system designed for today's complex, global market. Our platform is fully integrated with central clearing houses and exchanges to support billions in trading volume per day. We've agonized about our data model abstractions, created horizontal scalability, and crafted thoughtful APIs. All so we can provide a best-in-class experience for our clients. By combining highly-skilled product and engineering talent with seasoned finance professionals, we're building the essentials to compete in today's fast-paced markets. The Team: The Control Engineering team at Clear Street is a small team with a great deal of responsibility. We work closely with stakeholders to ensure that we meet all our financial and regulatory obligations in a timely fashion. Our goal is to make the lives of our stakeholders easier by leveraging innovative technology to create automated solutions for their workflows. As Clear Street grows into more product lines and geographical regions, every member of the team will have an opportunity to have an immense impact on the firm as a whole. Join our team and be part of a dynamic environment where you can make a significant contribution, collaborate with talented professionals, and work with cutting-edge technology to drive operational excellence. The Role: As an experienced lead Software Engineer on the Controls Engineering team, you will play an integral role in automating our Compliance & Finance regulatory processes. You'll build on your analytical skills to create solutions that process large amounts of data from our data warehouse to generate clean, correct reporting, including building out reconciliations. You will partner with key stakeholders across the Compliance, Finance, and Treasury teams to understand regulatory/financial obligations and business requirements, and translate them into clean designs and scalable solutions. As the tech lead in the team, you will provide technical guidance, prioritizing work, perform hands-on design and development and code review, as well as evolve our technical standards and best practices. Required Qualifications: <ul><li>You have at least ten (10) years of software design and development experience including CI/CD, source code control, testing, and quality management.</li><li>You are highly proficient in Python, SQL, database design, and have experience working with data warehouses like Snowflake to generate complex solutions at scale.</li><li>You have at least three (3) years of experience generating complex financial industry regulatory reports like CAT and/or financial reports like 15c3.</li><li>You are a self-starter with a sense of urgency and an eagerness to learn and explore new technologies as appropriate to solve business problems.</li><li>You are a strong communicator who can interact in a clear and concise manner with non-technical business stakeholders, product managers as well engineers.</li><li>You have the ability to troubleshoot and logically assess problems and determine solutions.</li></ul> Bonus Qualifications: <ul><li>You have experience working in the post-trade automation space designing and architecting systems that deliver solutions to complex data problems.</li></ul> Tech Stack:Python, SQL, Snowflake, Retool, Docker, Kubernetes, Argo, Metaplane, REST APIs We Offer:The Base Salary Range is $140,000 - $250,000. These ranges are representative of the starting base salaries for this role at Clear Street. Which range a candidate fits into and where a candidate falls in the range will be based on job related factors such as relevant experience, skills, and location. These ranges represent Base Salary only, which is just one element of Clear Street's total compensation. The ranges stated do not include other factors of total compensation such as bonuses or equity. At Clear Street, we offer competitive compensation packages, company equity, 401k matching, gender neutral parental leave, and full medical, dental and vision insurance. Our belief has always been that we are better as a business when we are all together in person. As such, beginning on January 2, 2023, we are requiring employees to be in the office 4 days per week. In-office benefits include lunch stipends, fully stocked kitchens, happy hours, a great location, and amazing views. Our top priority is our people. We're continuously investing in a culture that promotes collaboration. We help each other through challenges and celebrate each other's successes. We believe that modern workplaces succeed by virtue of having high-performance workforces that are diverse - in ideas, in cultures, and in experiences. We put in the effort to make such a workplace a daily reality and are proud to be an equal opportunity employer. #LI-Hybrid

About Clear Street: Clear Street is building financial infrastructure for today's institutions. Founded in 2018, Clear Street is an independent, non-bank prime broker replacing the legacy infrastructure used across capital markets. We started from scratch by building a completely cloud-native clearing and custody system designed for today's complex, global market. Our platform is fully integrated with central clearing houses and exchanges to support billions in trading volume per day. We've agonized about our data model abstractions, created horizontal scalability, and crafted thoughtful APIs. All so we can provide a best-in-class experience for our clients. By combining highly-skilled product and engineering talent with seasoned finance professionals, we're building the essentials to compete in today's fast-paced markets. The Role: <ul><li>You will build highly available, horizontally scalable mission critical applications in a modern technology stack.</li><li>You will sharpen your (already advanced) front-end and full stack engineering skills by working on some of the most challenging problems available.</li><li>You will work with users to understand and define new features and drive them to completion.</li><li>You will develop a deep understanding of the business domain.</li></ul> The Team: The mission of the Clear Street Execution Management System (EMS) team is to provide best execution for all asset classes in all regions. EMS is actively building a new state of the art cloud-based trading platform, providing high-performance traders access to liquidity venues across multiple asset classes, cutting-edge charting capabilities, sophisticated order handling and flexibility to service both the active trader and institutional workflows. Tech Stack: TypeScript, React, Redux, RxJs, Express, Kafka, Docker, Kubernetes. Requirements: <ul><li>5 years minimum experience and strong proficiency with TypeScript, React, UI state management (i.e. redux or similar)</li><li>NodeJS server-side experience (i.e. express, socket.io, etc)</li><li>Ability to work with stakeholders to define requirements, drive projects forward, and work creatively within constraints</li></ul> Bonus: <ul><li>Proven experience as a Front-end Engineer working on electronic trading systems.</li><li>Experience on high throughput / low latency / high capacity, Multithreaded (incl. Synchronization), load balanced, highly available systems.</li><li>Strong knowledge and understanding of FIX protocol.</li><li>Experience with Kafka or streaming paradigms in general.</li><li>Java, Go, gRPC and Protobuf.</li></ul> We Offer: <ul><li>The opportunity to join a small and growing team of good people, where you can make a difference.</li><li>A meritocratic philosophy that champions collaboration.</li><li>Competitive compensation, benefits, and perks.</li></ul> The Base Salary Range for this role is $170,000 - $240,000. This range is representative of the starting base salaries for this role at Clear Street. Where a candidate falls in this range will be based on job related factors such as relevant experience, skills, and location. This range represents Base Salary only, which is just one element of Clear Street's total compensation. The range stated does not include other factors of total compensation such as bonuses or equity. At Clear Street, we offer competitive compensation packages, company equity, 401k matching, gender neutral parental leave, and full medical, dental and vision insurance. In-office benefits include lunch stipends, fully stocked kitchens, happy hours, a great location, and amazing views. Our top priority is our people. We're continuously investing in a culture that promotes collaboration. We help each other through challenges and celebrate each other's successes. We believe that modern workplaces succeed by virtue of having high-performance workforces that are diverse - in ideas, in cultures, and in experiences. We are proud to be an equal opportunity employer and put in the effort to make such a workplace a daily reality. #LI-Hybrid

About Clear Street: Clear Street is modernizing the brokerage ecosystem. Founded in 2018, Clear Street is a diversified financial services firm replacing the legacy infrastructure used across capital markets. We started from scratch by building a completely cloud-native clearing and custody system designed for today's complex, global market. Our platform is fully integrated with central clearing houses and exchanges to support billions in trading volume per day. We've agonized about our data model abstractions, created horizontal scalability, and crafted thoughtful APIs. All so we can provide a best-in-class experience for our clients. By combining highly-skilled product and engineering talent with seasoned finance professionals, we're building the essentials to compete in today's fast-paced markets. The Role: <ul><li>You will build highly available, horizontally scalable mission critical applications in a modern technology stack.</li><li>You will sharpen your (already advanced) front-end and full stack engineering skills by working on some of the most challenging problems available.</li><li>You will work with users to understand and define new features and drive them to completion.</li><li>You will develop a deep understanding of the business domain.</li></ul> The Team: The mission of the Clear Street Execution Management System (EMS) team is to provide best execution for all asset classes in all regions. EMS is actively building a new state of the art cloud-based trading platform, providing high-performance traders access to liquidity venues across multiple asset classes, cutting-edge charting capabilities, sophisticated order handling and flexibility to service both the active trader and institutional workflows. Tech Stack: TypeScript, React, Java,Go,Redux, RxJs, Express, Kafka, Docker, Kubernetes. Requirements: <ul><li>7 years minimum experience and strong proficiency with TypeScript, React, UI state management (i.e. redux or similar)</li><li>Proven experience as a Full Stack Software Engineer working on electronic trading systems.</li><li>NodeJS server-side experience (i.e. express, socket.io, etc)</li><li>Java, gRPC and Protobuf</li><li>Ability to work with stakeholders to define requirements, drive projects forward, and work creatively within constraints</li></ul> Bonus: <ul><li>Experience on high throughput / low latency / high capacity, Multithreaded (incl. Synchronization), load balanced, highly available systems.</li><li>Strong knowledge and understanding of FIX protocol.</li><li>Experience with Kafka or streaming paradigms in general</li></ul> We Offer: <ul><li>The opportunity to join a small and growing team of good people, where you can make a difference.</li><li>A meritocratic philosophy that champions collaboration.</li><li>Competitive compensation, benefits, and perks.</li></ul> The Base Salary Range for this role is $170,000 - $240,000. This range is representative of the starting base salaries for this role at Clear Street. Where a candidate falls in this range will be based on job related factors such as relevant experience, skills, and location. This range represents Base Salary only, which is just one element of Clear Street's total compensation. The range stated does not include other factors of total compensation such as bonuses or equity. At Clear Street, we offer competitive compensation packages, company equity, 401k matching, gender neutral parental leave, and full medical, dental and vision insurance. In-office benefits include lunch stipends, fully stocked kitchens, happy hours, a great location, and amazing views. Our top priority is our people. We're continuously investing in a culture that promotes collaboration. We help each other through challenges and celebrate each other's successes. We believe that modern workplaces succeed by virtue of having high-performance workforces that are diverse - in ideas, in cultures, and in experiences. We are proud to be an equal opportunity employer and put in the effort to make such a workplace a daily reality. #LI-Hybrid

Clear Street is building modern infrastructure for capital markets. Founded in 2018 by top Wall Street and Silicon Valley veterans, Clear Street is an independent, non-bank prime broker designed to solve the industry's most neglected problem: legacy technology. We have built a proprietary, cloud-native clearing and custody system from the ground floor to replace the outdated infrastructure used across capital markets. Our platform is fully integrated with central clearing houses and exchanges to support billions in trading volume per day. We've agonized about our data model abstractions, created horizontal scalability, and crafted thoughtful APIs. All so we can provide a best-in-class experience for our clients. By combining highly-skilled product and engineering talent with seasoned finance professionals, we're building the essentials to compete in today's fast-paced markets. The Team: Clear Street's Infrastructure Engineering team builds the foundational stack for our services. It spans multiple disciplines including Core Platforms, Developer Experience, Security, and Data. The team is highly visible and operates horizontally across the entire Engineering organization. The Role: We are seeking a Senior Software Engineer to join our dynamic Infrastructure Engineering team, focusing on enhancing security infrastructure and optimizing developer experience. In this role, you will be a member of a team of talented engineers, driving the design, implementation, and maintenance of robust security solutions while also ensuring a seamless developer experience across our software development lifecycle. You'll partner on efforts to fortify our software supply chain against vulnerabilities and threats, ensuring the integrity and trustworthiness of our software products. You will also be responsible for designing and implementing solutions for fortifying our runtime environment in AWS and Kubernetes, including automation for AMI hardening and orchestration of OS patches. You'll work horizontally across the Infrastructure and Security teams, closely collaborating with Engineering leadership and the company's CISO to design the Security Infrastructure team's roadmap. You'll also draw up technical project designs and execution plans and be involved hands-on in the implementation of these projects. You'll also advocate for developer-friendly security solutions, providing tools and resources to empower Clear Street's engineers to make informed security decisions. In doing so, you will champion a culture of security awareness and best practices among developers, promoting a proactive approach to addressing security concerns. Requirements: <ul><li>At least ten (10) years of professional experience in software engineering, with a focus on software supply chain.</li><li>Bachelor's or Master's degree in Computer Science, Engineering, or a related field.</li><li>Proficiency in programming languages such as Java, Python, or Go, and experience with DevOps tools and practices.</li><li>Experience with containerization technologies (e.g., Docker, Kubernetes) and cloud platforms (e.g., AWS, Azure, GCP).</li><li>Experience with Git principles and command line</li><li>Proven leadership skills, with experience leading and mentoring engineering teams.</li><li>Excellent communication skills, with the ability to convey complex security concepts to technical and non-technical stakeholders.</li></ul> Preferred Qualifications: <ul><li>Strong understanding of CI/CD principles and methodologies, with demonstrated experience in designing, implementing, and maintaining pipelines and runner infrastructure, preferably with a CI/CD platform such as GitHub or GitLab</li><li>Deep understanding of software supply chain security principles, including dependency management, artifact signing, and SBOM (software bill of materials)</li><li>Familiarity with techniques and tools for SAST (Static Application Security Testing), DAST (Dynamic Application Security Testing) SCA (Software Composition Analysis) and vulnerability management platforms.</li><li>Familiarity with Security techniques for cloud workload protection (CWPP) and security services in AWS </li></ul> The Base Salary Range for this role is $180,000 - $250,000. This range is representative of the starting base salaries for this role at Clear Street. Where a candidate falls in this range will be based on job-related factors such as relevant experience, skills, and location. This range represents Base Salary only, which is just one element of Clear Street's total compensation. The range stated does not include other factors of total compensation such as bonuses or equity. At Clear Street, we offer competitive compensation packages, company equity, 401k matching, gender-neutral parental leave, and full medical, dental and vision insurance. Our belief has always been that we are better as a business when we are all together in person. As such, beginning on January 2, 2023, we are requiring employees to be in the office 4 days per week. In-office benefits include lunch stipends, fully stocked kitchens, happy hours, a great location, and amazing views. Our top priority is our people. We're continuously investing in a culture that promotes collaboration. We help each other through challenges and celebrate each other's successes. We believe that modern workplaces succeed by virtue of having high-performance workforces that are diverse - in ideas, cultures, and experiences. We put in the effort to make such a workplace a daily reality and are proud to be an equal-opportunity employer. #LI-Hybrid

Clear street Interview Questions

Overview

Clear street Interview Guides

Clear street Interview Questions

Clear street Salaries by Position

Clear street Opening Jobs