Prepare for and practice interview questions from Nisus Technologies Corporation.

Nisus Technologies Corporation Interview Questions

Nisus Technologies Corporation 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 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

Let’s say you work for a social media company that has just done a launch in a new city. Looking at weekly metrics, you see a slow decrease in the average number of comments per user from January to March in this city.

The company has been consistently growing new users in the city from January to March.

What are some reasons why the average number of comments per user would be decreasing and what metrics would you look into?

What metric could be used to measure if active users are still engaging on the platform despite an overall decrease in the average number of comments per user?

What metric could be used to measure if active users are still engaging on the platform despite an overall decrease in the average number of comments per user?

Decreasing Comments

How would you investigate a decline in the average number of comments per user?

Nisus Technologies Corporation Salaries by Position

Join our team as a Software Engineer II and work on developing, maintaining, and enhancing complex and diverse software systems. You will be responsible for working on projects that involve processing-intensive analytics, novel algorithm development, manipulation of large data sets, real-time systems, and business management information systems. You will collaborate with a team and review and test software components to ensure adherence to design requirements. Additionally, you will participate in problem resolution and utilize software development methodologies appropriate for the project. Requirements TS/SCI with poly required <ul> <li>Fourteen (14) years of experience as a Software Engineer in projects of similar scope, type, and complexity is required.</li> <li>Bachelor's degree in Computer Science or related discipline from an accredited college or university is required.</li> <li>Four (4) years of additional software engineering experience on projects with similar software processes may be substituted for a Bachelor's degree.</li> <li>Java, HTML, CSS, JavaScript, React</li> <li>Version control: Git</li> <li>RESTful API</li> <li>UI</li> <li>Docker and/or Kubernetes</li> <li>Wireless and telephony protocols</li> </ul> Benefits Health & Life Insurance Dental Insurance Disability Insurance 401K Retirement Plan with Matching Tuition Assistance Vacation and Sick Leave Referral Recruitment Program

Provide cloud software research, development, and engineering services to include requirements analysis, software development, installation, integration, evaluation, enhancement, sustainment, testing, validation, and issue diagnosis/resolution. Requirements TS/SCI with poly required <ul> <li>With the most recent experience being no more than (1.5) years past, a minimum of sixteen (16) years of experience programming with at least one (1) object oriented language, such as but not limited to Java, Python, C++ or Go, or sixteen (16) years of experience building large platforms by integrating open source or commercial software together with automation scripting.</li> <li>Demonstrated experience designing and developing applications in a Linux operating environment.</li> <li>5 years functional experience with containerization technologies like Docker</li> <li>8 years functional experience deploying applications to container orchestration technologies such as but not limited to Kubernetes</li> <li>An additional two (2) years of experience may be substituted for all minimum requires listed above with an active Certified Kubernetes Application Developer status. This may be stacked with active CKA status.</li> <li>An additional two (2) years of experience may be substituted for all minimum requires listed above with an active Certified Kubernetes Administrator status. This may be stacked with active CKA status.</li> <li>An additional one (1) year of experience may be substituted for all minimum requires listed above with a status of an Open Source project maintainer in open industry.</li> <li>AWS, with a strong background in IAM policy and permission boundaries including implementation experience and communications skills</li> <li>Terraform, both using and authoring modules and providers in Go. </li> <li>Terraform Enterprise and Vault Enterprise a big plus.</li> <li>Python, particularly PyTest; JUnit testing may also be needed</li> <li>Developing, shipping, sustaining applications in OCI containers and Kubernetes (primarily EKS).</li> <li>Familiarity with the RMF process, NIST800-53, and some experience with building and accrediting systems</li> <li>JSON, XML manipulation, validation, schema reading and authoring</li> <li>GitLab, particularly building, using, versioning, refining and sustaining complex, multilayered GitLab CI/CD pipelines</li> </ul> Benefits <li>Health & Life Insurance</li><li> Dental Insurance</li><li> Disability Insurance</li><li> 401K Retirement Plan with Matching</li><li> Tuition Assistance</li><li> Vacation and Sick Leave</li><li> Hiring Bonuses</li><li> Referral Recruitment Program</li>

Nisus Technologies Corporation Interview Questions

Nisus Technologies Corporation Interview Guides

Nisus Technologies Corporation Interview Questions

Nisus Technologies Corporation Salaries by Position

Nisus Technologies Corporation Opening Jobs