Prepare for and practice interview questions from North Point Technology.

North Point Technology Interview Questions

North Point Technology Interview Guides

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

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

North Point Technology Salaries by Position

North Point Technology is looking for TS/SCI Cleared Software Engineers to develop a state-of-the-art of Geospatial Intelligence analysis software. You will build and maintain an exceptionally powerful platform enabling our users to address challenging real-world problems by converting disparate data into actionable information. The team is deeply passionate about its mission and takes tremendous pride in our work. We work directly with operational users to design, develop, and maintain capabilities that empower analysts to create actionable intelligence from the massive volumes of Geospatial Intelligence data to give our intel and combat organizations the decision advantage over our near-peer adversaries. You will work in collaboration to enhance the analysis system leveraging proprietary capabilities. You shall collaborate on the integration of capabilities from different systems. Additionally, you will collaborate on the design, development, testing and integration. Perhaps the most rewarding aspect of this program is the frequent user interaction and unsolicited feedback on the value you bring to the mission every single day. We live and breathe the mission right along-side our users. This program requires employees pass a CI Poly every 5 years. If you have a Full Scope Poly, working this program will keep your Full Scope ACTIVE. About the Job: <ul><li>Day-to-day expectations include solving challenging, but rewarding technical problems, meeting program objectives within the agile development cycle, suggesting ways to improve UX/UI and the software baseline, and introducing new ways to meet mission needs.</li><li>Be part of an agile team where communication skills and the ability to execute within the established development process are paramount to your and the team's success.</li><li>Work on new technologies, striving to stay customer-focused and thriving on challenges to build new UI applications.</li><li>Utilize industry proven design patterns and open source tools.</li><li>Contribute to a positive and upbeat team atmosphere.</li></ul> Applicants should be self-motivated, fast-paced, curious problem solvers with a BS in Computer Science or related field, plus the following skills/experience: Basic Qualifications: <ul><li><ul><li>An active TS/SCI clearance with Polygraph</li><li>Bachelor's degree in Computer Science, a related major, or graduation from a coding bootcamp</li><li>5+ years of relevant experience.</li><li>Experience using REST-based web services.</li><li>Experience working as a member of a development team participating in the complete product development lifecycle.</li><li>Familiarity with Agile software development methodologies.</li><li>Familiarity with modern web technologies and techniques such as HTML5, CSS, CSS pre-processors (e.g. SASS, Less, Stylus), or JavaScript build tools (e.g. Browserify, WebPack, Closure).</li><li>Familiarity with modern JavaScript frameworks and libraries such as Angular, Ember, React, Redux, Reactive, VueJS, Svelte, along with the knowledge of when to use them.</li><li>Familiarity with Node.js and the NPM package ecosystem.</li><li>Strong organizational skills and attention to detail.</li><li>Strong verbal and written communication skills.</li><li>Experience with Linux environment and Linux shell scripting.</li><li>Knowledge of continuous integration and software CM processes / tools (Subversion, GIT, JIRA, Confluence).</li><li>Understanding of UI/UX best practices.</li><li>Security +, or other IAT II qualified security certification (within 3 months of hire)</li></ul></li></ul> Preferred Qualifications: <ul><li><ul><li>A passion for creating beautiful, engaging, intuitive, efficient and highly usable user interfaces.</li><li>Familiarity with Svelte Framework.</li><li>Experience with vector and motion graphics, including SVG, HTML5 Canvas, WebGL and animation via JavaScript and CSS Experience building rich data-driven web applications.</li><li>Familiarity with real-time communication mechanisms such as WebSockets.</li><li>Familiarity with Node, Cesium, and/or OpenLayers.</li><li>Familiarity with Spring, Docker, and/or Kubernetes.</li><li>Knowledge of microservices based architecture.</li><li>Familiarity with emerging trends in desktop, web, and mobile app development.</li><li>Experience with deployments, dev ops, and / or AWS Experience with Git.</li></ul></li></ul> North Point Technology is THE BEST place to work for curious-minded engineers motivated to support our country's most crucial missions! We focus on long term projects, leveraging the latest technology in support of innovative solutions to solve our customer's most difficult problems. At North Point Technology, EMPLOYEES come first! We value our employees by providing excellent compensation, benefits, and a flexible work-life balance. We strive for a close-knit and open atmosphere where the owners are always directly available to our team members. Come join us! Apply with North Point Technology today!

North Point Technology Interview Questions

North Point Technology Interview Guides

North Point Technology Interview Questions

North Point Technology Salaries by Position

North Point Technology Opening Jobs