The Ninjatrader Group, Llc Business Intelligence interview guide, interview questions, salary data, and interview experiences.

Ninjatrader Group, Llc Business Intelligence Interview Guide

<p>Getting ready for an Business Intelligence interview at Ninjatrader Group, Llc? The Ninjatrader Group, Llc Business Intelligence interview span across 10 to 12 different question topics. In preparing for the interview:</p>
<ul>
<li>Know what skills are necessary for Ninjatrader Group, Llc Business Intelligence roles.</li>
<li>Gain insights into the Business Intelligence interview process at Ninjatrader Group, Llc.</li>
<li>Practice real Ninjatrader Group, Llc Business Intelligence interview questions.</li>
</ul>
<p>Interview Query regularly analyzes interview experience data, and we've used that data to produce this guide, with sample interview questions and an overview of the Ninjatrader Group, Llc Business Intelligence interview.</p>


Getting ready for an Business Intelligence interview at Ninjatrader Group, Llc? The Ninjatrader Group, Llc Business Intelligence interview span across 10 to 12 different question topics. In preparing for the interview:

- Know what skills are necessary for Ninjatrader Group, Llc Business Intelligence roles.
- Gain insights into the Business Intelligence interview process at Ninjatrader Group, Llc.
- Practice real Ninjatrader Group, Llc Business Intelligence interview questions.

Interview Query regularly analyzes interview experience data, and we've used that data to produce this guide, with sample interview questions and an overview of the Ninjatrader Group, Llc Business Intelligence interview.
        

Overview

<p>We've gathered this data from parsing thousands of interview experiences sourced from members.</p>

We've gathered this data from parsing thousands of interview experiences sourced from members.

Ninjatrader Group, Llc Business Intelligence Interview Process

<p>Suppose your company needs to cut costs due to an economic downturn. During a coffee break, you hear a rumor that a lot of money goes to employees who don’t do their work, and you decide to find out if the rumor is true.</p>

<p>Given two tables: <code>employees</code> and <code>projects</code>, find the sum of the salaries of all the employees who didn’t complete any of their projects.</p>

<p>Clarification:</p>

<p>We will consider a project unfinished if it has no end date (its <code>End_dt</code> is <code>NULL</code>).</p>

<p>Given this, we’ll say an employee didn’t finish any of their projects when:</p>

<ul>
<li>They were assigned at least one project.</li>
<li>None of their projects have an <code>End_dt</code>.</li>
</ul>

<p><strong>Example:</strong></p>

<p><strong>Input:</strong></p>

<p><code>employees</code> table</p>

<table>
<thead>
<tr>
<th>id</th>
<th>salary</th>
</tr>
</thead>

<tbody>
<tr>
<td>INTEGER</td>
<td>FLOAT</td>
</tr>
</tbody>
</table>
<p><code>projects</code> table</p>

<table>
<thead>
<tr>
<th>employee_id</th>
<th>project_id</th>
<th>Start_dt</th>
<th>End_dt</th>
</tr>
</thead>

<tbody>
<tr>
<td>INTEGER</td>
<td>INTEGER</td>
<td>DATETIME</td>
<td>DATETIME</td>
</tr>
</tbody>
</table>
<p><strong>Output:</strong></p>

<table>
<thead>
<tr>
<th>total_slack_salary</th>
</tr>
</thead>

<tbody>
<tr>
<td>INTEGER</td>
</tr>
</tbody>
</table>


Find the total salary of slacking employees.

Slacking Employees Salaries

<p>You’ve been asked to analyze the player’s behaviors at a gaming company.</p>

<p>Write a query to get the number of players who played between 5 and 10 games (5 and 10 excluded), and the number of players who played 10 games or more.</p>

<p><strong>Example:</strong></p>

<p><strong>Input:</strong></p>

<p><strong><code>players</code></strong> table</p>

<table>
<thead>
<tr>
<th>Column</th>
<th>Type</th>
</tr>
</thead>

<tbody>
<tr>
<td>id</td>
<td>INTEGER</td>
</tr>

<tr>
<td>name</td>
<td>VARCHAR</td>
</tr>

<tr>
<td>games_played</td>
<td>INTEGER</td>
</tr>

<tr>
<td>registered_at</td>
<td>TIMESTAMP</td>
</tr>
</tbody>
</table>
<p><strong>Output:</strong></p>

<table>
<thead>
<tr>
<th>Column</th>
<th>Type</th>
</tr>
</thead>

<tbody>
<tr>
<td>players_more_than_5_to_10_games</td>
<td>INTEGER</td>
</tr>

<tr>
<td>players_10_plus_games</td>
<td>INTEGER</td>
</tr>
</tbody>
</table>


Obtain count of players based on games played.

Player Analysis

<p>You have been given a table <code>tbl_numbers</code> with only one column: <code>int_numbers</code>.  It can have one integer number value per row in a sequential manner.</p>

<p>Write a query to return the number repeated by one times its own value.</p>

<p>For example, the integer number 5 would appear five times in the output (1 times 5).</p>

<p><strong>Example:</strong></p>

<p><strong>Input:</strong></p>

<p><code>tbl_numbers</code> table</p>

<table>
<thead>
<tr>
<th>int_numbers</th>
</tr>
</thead>

<tbody>
<tr>
<td><code>1</code></td>
</tr>

<tr>
<td><code>2</code></td>
</tr>

<tr>
<td><code>3</code></td>
</tr>

<tr>
<td><code>4</code></td>
</tr>
</tbody>
</table>
<p><strong>Output:</strong></p>

<table>
<thead>
<tr>
<th>seq_numbers</th>
</tr>
</thead>

<tbody>
<tr>
<td><code>1</code></td>
</tr>

<tr>
<td><code>2</code></td>
</tr>

<tr>
<td><code>2</code></td>
</tr>

<tr>
<td><code>3</code></td>
</tr>

<tr>
<td><code>3</code></td>
</tr>

<tr>
<td><code>3</code></td>
</tr>

<tr>
<td><code>4</code></td>
</tr>

<tr>
<td><code>4</code></td>
</tr>

<tr>
<td><code>4</code></td>
</tr>

<tr>
<td><code>4</code></td>
</tr>
</tbody>
</table>


Sequentially Fill in Integers

Ninjatrader Group, Llc Business Intelligence Interview Questions

JOIN US ON OUR MISSION TO BECOME THE #1 RETAIL TRADING PLATFORM IN THE WORLD
Welcome to the dynamic world of NinjaTrader! As an industry-leading trading platform and futures broker, we're on a mission to empower traders to take control of their financial destiny. How do we do it? We provide cutting-edge products and services that enhance the trading journey. Whether a seasoned pro or just starting out, NinjaTrader equips traders with award-winning software and brokerage services to navigate the world's leading financial markets with confidence.
Our growth story is nothing short of exhilarating. Over the last 20 years, NinjaTrader has been dedicated to understanding and supporting traders on their journey toward trading triumph. In the last five years alone, our user base has grown by 400% to over 1.9 million users and we have become the number one rated futures brokerage worldwide.
But we're not stopping there. We're constantly evolving, pushing boundaries, and modernizing the futures industry. Our commitment to innovation means users will always have access to dynamic tools, real-time support, and a community of like-minded traders.
So, why work at NinjaTrader? Here, you're not just part of a team; you're part of a movement. We empower employees to reach new heights in their careers by providing a dynamic culture focused on social connection, professional development, and employee recognition initiatives. Sounds too good to be true? Take it from our employees.
Join us as we redefine what's possible in trading, advocate for our customers, and continue our journey toward becoming the world's top retail-focused trading platform in the world.
What you’ll do:   In this role, you will work closely with the VP of Developer Experience and the Ecosystem team to build next-generation community features and an Add-On framework. Your contributions will directly impact the product roadmap, user experience, and overall business outcomes.
In this role you will:
Design, build, and maintain full stack solutions for NinjaTrader’s web-based and cloud-based products
Collaborate with cross-functional teams—including UX/UI designers, backend services, and QA—to deliver high-quality features and improvements
Contribute to performance optimization, ensuring real-time responsiveness and scalability in mission-critical applications
Work on both server-side (Node.js, Express, or similar) and client-side (React, TypeScript, or similar) codebases, ensuring seamless integration
Troubleshoot, debug, and resolve production issues in a timely and efficient manner
Help drive best practices and coding standards to maintain code quality and reliability
Participate actively in code reviews, knowledge-sharing sessions, and continuous process improvement initiatives
What you'll need:
3–5+ years of professional software development experience in a fullstack capacity
Solid understanding of RESTful APIs and/or WebSockets for real-time communication
Experience with cloud-based infrastructures (AWS, Azure, or GCP) and containerization (Docker, Kubernetes) is a plus
Familiarity with CI/CD pipelines, version control (Git), and automated testing
Strong problem-solving skills, attention to detail, and the ability to take ownership of features from concept to production
Excellent communication skills, with the ability to collaborate effectively within a distributed or cross-functional team environment
Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent experience)
Compensation:
The salary range for this role will be $130,000.00 - $150,000.00 USD annually. In addition, this position will also receive an annual target bonus of up to 10%. Bonus pay at NinjaTrader is based on individual performance (50%) as well as company/team performance (50%).
Salary and bonus earnings are only two components of the total compensation package offered by NinjaTrader. Additional details on our total compensation package and benefits are listed below.
Our Core Benefits Include:
Hybrid Schedule with Extra Remote Flexibility ( Totaling over 55% remote time )
Generous PTO
7 Paid Holidays Annually + 5 Conditional Holidays Annually
1 Service Day Annually
401k with 3.5% Company Match
Life and Disability Insurance Covered 100% by NinjaTrader
Flexible Spending Accounts for Transit and Parking
Location:  This role is based in Chicago, IL. There may be remote flexibility for exceptional candidates in the following states: California, Colorado, Florida, Illinois, Indiana, Minnesota, New York, North Carolina, Ohio, Oregon, South Carolina, Texas, Utah, Virginia, Washington, Wisconsin, New Jersey, Pennsylvania.
We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender, gender identity or expression, or veteran status. We are proud to be an equal opportunity workplace.

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Sr. Software Engineer I (Trading Platform, Java/Scala/C++)  Chicago
Disclaimer:  Please be advised that the most accurate and up-to-date information about our open roles—including job descriptions, compensation, and benefits—can only be guaranteed on our official job board. For the latest listings and details, please visit: https://job-boards.greenhouse.io/ninjatrader .
JOIN US ON OUR MISSION TO BECOME THE #1 RETAIL TRADING PLATFORM IN THE WORLD
Welcome to the dynamic world of NinjaTrader! As an industry-leading trading platform and futures broker, we're on a mission to empower traders to take control of their financial destiny. How do we do it? We provide cutting-edge products and services that enhance the trading journey. Whether a seasoned pro or just starting out, NinjaTrader equips traders with award-winning software and brokerage services to navigate the world's leading financial markets with confidence.
Our growth story is nothing short of exhilarating. Over the last 20 years, NinjaTrader has been dedicated to understanding and supporting traders on their journey toward trading triumph. In the last five years alone, our user base has grown by 400% to over 1.9 million users and we have become the number one rated futures brokerage worldwide.
But we're not stopping there. We're constantly evolving, pushing boundaries, and modernizing the futures industry. Our commitment to innovation means users will always have access to dynamic tools, real-time support, and a community of like-minded traders.
So, why work at NinjaTrader? Here, you're not just part of a team; you're part of a movement. We empower employees to reach new heights in their careers by providing a dynamic culture focused on social connection, professional development, and employee recognition initiatives. Sounds too good to be true? Take it from our employees.
Join us as we redefine what's possible in trading, advocate for our customers, and continue our journey toward becoming the world's top retail-focused trading platform in the world.
What you’ll do:
We are seeking a highly skilled and experienced Senior Software Engineer to join our Trading Services team. In this pivotal role, you will help evolve our advanced trading system. As a senior engineer on the team, your work will have a profound impact on our core high-throughput, low-latency trading application, directly influencing our business’s bottom line.
In this role, you will:
Design, develop, and maintain our Scala and AKKA based trading system deployed on Kubernetes in cloud
Architect, deploy, and manage backend services in a Kubernetes environment to ensure scalability, availability, and resilience
Implement and enhance our services architecture for trading applications, promoting modularity and maintainability
Develop distributed systems to support high-performance and low-latency requirements of trading platforms
Implement robust monitoring and logging solutions to track and analyze backend system performance in real-time
Integrate backend systems with market data feeds, ensuring accurate and timely data for trading activities
Collaborate with other engineering teams and Product Managers to deliver end-to-end customer solutions
What we look for:
Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field
5+ years of software development experience with reactive message-driven distributed near real-time applications, preferably in a high-performance, low-latency environment
3+ years professional experience with Scala (or similar JVM based languages) backend software development
Familiarity with functional programming principles
Experience with Kubernetes and cloud services (e.g., Google Cloud Platform), with a focus on scalability and high-availability
Familiarity with CI/CD tools such as Jenkins, GitHub Actions, or equivalent
Exceptional troubleshooting, debugging, and diagnostic skills for cloud and web-based technologies using industry standard observability tooling and frameworks
Deep understanding of modern distributed systems and ability to troubleshoot HTTP/HTTPS, WebSockets, TLS, DNS, TCP/IP, and similar protocols
Dependable team player with strong work ethic, exceptional accuracy, and analytical and problem-solving skills, with a focus on performance analysis and optimization
Ability to take full ownership of projects (design, implement, test, deploy, maintain, iterate), with a focus on delivering high-quality production software
Team player with strong written and verbal communication skills, collaborates effectively, seeks feedback, and strives for continual improvement
Compensation:
The salary range for this role will be $140,000.00 - $168,000.00 USD annually. In addition, this position will also receive an annual target bonus of up to 12%. Bonus pay at NinjaTrader is based on individual performance (50%) as well as company/team performance (50%).
Salary and bonus earnings are only two components of the total compensation package offered by NinjaTrader. Additional details on our total compensation package and benefits are listed below.
Our Core Benefits Include:
Hybrid Schedule with Extra Remote Flexibility ( Totaling over 55% remote time )
Generous PTO
7 Paid Holidays Annually + 5 Conditional Holidays Annually
1 Service Day Annually
401k with 3.5% Company Match
Life and Disability Insurance Covered 100% by NinjaTrader
Flexible Spending Accounts for Transit and Parking
Location:  This role is based in Chicago, IL. There may be remote flexibility for exceptional candidates in the following states: California, Colorado,Florida,Illinois,Indiana, Minnesota,New York,North Carolina, Ohio, Oregon, South Carolina, Texas, Utah,Virginia,Washington, Wisconsin,New Jersey,Pennsylvania.
We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender, gender identity or expression, or veteran status. We are proud to be an equal opportunity workplace.
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Question	Topic	Difficulty	Ask Chance
Slacking Employees Salaries	SQL	Medium	Very High
Player Analysis	SQL	Easy	Very High
Sequentially Fill in Integers	SQL	Hard	Very High

Ninjatrader Group, Llc Business Intelligence Interview Guide

Overview

Ninjatrader Group, Llc Business Intelligence Interview Process

Ninjatrader Group, Llc Business Intelligence Interview Questions

Ninjatrader Group, Llc Business Intelligence Jobs