Prepare for and practice interview questions from Cambium Learning Group.

Cambium Learning Group Interview Questions

Cambium Learning Group 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?

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

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?

Cambium Learning Group Salaries by Position

Job Overview: This group of professionals provide custom software solutions for our clients as well as internal support systems. Much of the work we perform is new development, so the right candidate will have the skills needed to perform full life-cycle software development. This includes participation in requirements gathering, application and database design, system documentation, writing and unit-testing efficient code, and deployment. Job Responsibilities: <ul><li>Designing, implementing, and maintaining APIs to facilitate communication between various systems and services. </li><li>Leveraging AWS cloud services for infrastructure provisioning, deployment, and management. </li><li>Implementing cloud native system architectures using AWS services for scalable and cost-effective application development. </li><li>Implementing architectural and design refactoring to allow us to reliably and elastically scale to meet variable loads </li><li>Designing and optimizing very large backend data stores for a diverse range of transactional and reporting loads </li><li>Collaborate with our team of educational content and UX designers, product managers, QA staff, and DevOps engineers to ensure the timely delivery of educational software products </li><li>Troubleshoot complex problems across a multi-tiered architecture and support deployed systems on production </li><li>Optimize application performance, scalability, and reliability by leveraging AWS cloud services, containerization, and other best practices. </li></ul>Job Requirements: <ul><li>Bachelor's Degree in Computer Science (or related field) with software development experience </li><li>Previous K-12 summative assessment experience. </li><li>SQL Server experience to include development work with relational databases, stored procedures, triggers, writing SQL queries </li><li>Experienced in object oriented (OO) analysis and design principles, along with a demonstrated experienced knowledge in OO design </li><li>Solid understanding of algorithms </li><li>Excellent data-based skills </li><li>Highly detail-oriented </li><li>Good communication skills </li><li>Ability to work well on a team, as well as autonomously </li></ul>Why Work With Us? When you work with Cambium Assessment, you'll be helping to design and build inspiring solutions that make a real impact on the online testing industry, as well as the educators and students we support. <ul> <li>Our systems are highly scaled and mission critical serving over a third of all students in grades 3-8 in the United States. </li><li>Our web applications are highly interactive and universally accessible. </li><li>Our machine scoring methods are driven by artificial intelligence allowing computers to perform such complex operations as grading essays with more accuracy than humans. </li><li>Our processes use intensive algorithmic computing allowing a customized experience for each student as the exam adapts real-time based upon answers given. </li></ul> In the 2021-2022 school year, we delivered more than 100 million online tests, successfully supported peak testing volumes exceeding 1.3 million simultaneous test takers, while ensuring an average response time of less than a tenth of a second. We have the most advanced features of any online testing system, and we continue to push boundaries to improve student performance measurement and enabling educators with actionable insights to drive better overall educational outcomes for our students. To learn more about our organization and the exciting work we do, visit www.cambiumassessment.com An Equal Opportunity Employer We are dedicated to fostering a culture that celebrates unique backgrounds, ideas, and experiences. All qualified applicants will receive consideration for employment without discrimination on the basis of race, color, age, religion, sex, gender, gender identity/expression, sexual orientation, national origin, protected veteran status, or disability.

Job Overview Do you want to be a part of something innovative and cutting edge? If your answer is yes, then join our team of more than a hundred software engineers, designers, project managers and software specialists that are smart, creative, and excited by what they do! Some of our ground-breaking work includes advanced computer-adaptive algorithms (only one that's peer-approved in the country); mobile support for the user interfaces; learning management systems with social media features; user interfaces that are universally accessible to people with or without disabilities; innovative, machine-scorable items and that's just to name a few. Cambium Assessment provides assessment services and technical assistance to school systems nationwide. Job Responsibilities: <ul> <li>We work with LOTS of data (many, many TB) & it comes fast! Scalability & heavy transactional loads , heavy reporting are common challenges for us. We solve a lot of interesting and tricky problems Often not your typical collect/save/display that you get at other places. Not snapping into established frameworks. Working across tiers as required. Opportunities for more advanced coding. </li><li>Milliseconds matter! Performance is key! Optimizing database access, algorithms, choosing the right data structures, in general working to design performant systems </li><li>We actually write code from the ground up. We don't use a lot of frameworks, packages, etc. Not a lot of macro-level stuff. OO, relational database design/programming/optimization, core software engineering chops is what we're looking for </li><li>Our suite of systems is vast and varied. There are web services (REST, SOAP, hybrid), windows services, daemons, websites, libraries, command line tools, windows apps. And they're always in motion, being enhanced to meet new requirements and to move them into the future. We have plans to redesign several of the older systems, which will be a lot of fun. There is new system development (ex: the Hotline system suite, Stats Workspace) </li><li>There are a lot of system interfaces, both within our own suite as well as across teams in the organization. Plenty of opportunities for collaboration with a lot of smart people </li><li>We have immediate needs for architectural and design refactoring to allow us to scale up to meet increased loads </li></ul>Job Requirements<ul> <li>Bachelor's Degree in Computer Science (or related field) and 5+ years professional .NET software development experience or Master's Degree in Computer Science and 3+ years of .NET software development experience. </li><li>SQL experience to include development work with relational databases, stored procedures, triggers, writing SQL queries </li><li>Experienced in object oriented (OOP), along with a demonstrated professional knowledge in OO design </li><li>Solid understanding of algorithms </li><li>Experience developing restful web services and web APIs </li><li>Proficiency in developing full-stack software applications, utilizing front-end frameworks such as Angular, React, Vue, or equivalent technologies </li><li>Detail-oriented with excellent problem-solving skills </li><li>Good communication skills </li><li>Self-starter, ability to work in a team environment as well as alone </li></ul>Preferred Qualifications<ul> <li>M.S. in Computer Science </li><li>AWS </li></ul>Why Work With Us? When you work with Cambium Assessment, you'll be helping to design and build inspiring solutions that make a real impact on the online testing industry, as well as the educators and students we support. <ul> <li>Our systems are highly scaled and mission critical serving over a third of all students in grades 3-8 in the United States. </li><li>Our web applications are highly interactive and universally accessible. </li><li>Our machine scoring methods are driven by artificial intelligence allowing computers to perform such complex operations as grading essays with more accuracy than humans. </li><li>Our processes use intensive algorithmic computing allowing a customized experience for each student as the exam adapts real-time based upon answers given. </li></ul> In the 2021-2022 school year, we delivered more than 100 million online tests, successfully supported peak testing volumes exceeding 1.3 million simultaneous test takers, while ensuring an average response time of less than a tenth of a second. We have the most advanced features of any online testing system, and we continue to push boundaries to improve student performance measurement and enabling educators with actionable insights to drive better overall educational outcomes for our students. To learn more about our organization and the exciting work we do, visit www.cambiumassessment.com An Equal Opportunity Employer We are dedicated to fostering a culture that celebrates unique backgrounds, ideas, and experiences. All qualified applicants will receive consideration for employment without discrimination on the basis of race, color, age, religion, sex, gender, gender identity/expression, sexual orientation, national origin, protected veteran status, or disability.

Job Overview: This group of professionals provide custom software solutions for our clients as well as internal support systems. Much of the work we perform is new development, so the right candidate will have the skills needed to perform full life-cycle software development. This includes participation in requirements gathering, application and database design, system documentation, writing and unit-testing efficient code, and deployment. Job Responsibilities: Designing, implementing, and maintaining APIs to facilitate communication between various systems and services.
Leveraging AWS cloud services for infrastructure provisioning, deployment, and management.
Implementing cloud native system architectures using AWS services for scalable and cost-effective application development.
Implementing architectural and design refactoring to allow us to reliably and elastically scale to meet variable loads
Designing and optimizing very large backend data stores for a diverse range of transactional and reporting loads
Collaborate with our team of educational content and UX designers, product managers, QA staff, and DevOps engineers to ensure the timely delivery of educational software products
Troubleshoot complex problems across a multi-tiered architecture and support deployed systems on production
Optimize application performance, scalability, and reliability by leveraging AWS cloud services, containerization, and other best practices.
Job Requirements: Bachelor's Degree in Computer Science (or related field) with software development experience
Previous K-12 summative assessment experience.
SQL Server experience to include development work with relational databases, stored procedures, triggers, writing SQL queries
Experienced in object oriented (OO) analysis and design principles, along with a demonstrated experienced knowledge in OO design
Solid understanding of algorithms
Excellent data-based skills
Highly detail-oriented
Good communication skills
Ability to work well on a team, as well as autonomously
Why Work With Us? When you work with Cambium Assessment, you'll be helping to design and build inspiring solutions that make a real impact on the online testing industry, as well as the educators and students we support. Our systems are highly scaled and mission critical serving over a third of all students in grades 3-8 in the United States.
Our web applications are highly interactive and universally accessible.
Our machine scoring methods are driven by artificial intelligence allowing computers to perform such complex operations as grading essays with more accuracy than humans.
Our processes use intensive algorithmic computing allowing a customized experience for each student as the exam adapts real-time based upon answers given. In the 2021-2022 school year, we delivered more than 100 million online tests, successfully supported peak testing volumes exceeding 1.3 million simultaneous test takers, while ensuring an average response time of less than a tenth of a second. We have the most advanced features of any online testing system, and we continue to push boundaries to improve student performance measurement and enabling educators with actionable insights to drive better overall educational outcomes for our students. To learn more about our organization and the exciting work we do, visit www.cambiumassessment.com An Equal Opportunity Employer We are dedicated to fostering a culture that celebrates unique backgrounds, ideas, and experiences. All qualified applicants will receive consideration for employment without discrimination on the basis of race, color, age, religion, sex, gender, gender identity/expression, sexual orientation, national origin, protected veteran status, or disability.

The Senior Software Engineer I will be an integral part of the Analysis software engineering team within Cambium Assessment. This group of professionals provides custom software solutions for our clients as well as internal support systems. Much of the work we perform is new development, so the right candidate will have the skills needed to perform full life-cycle software development.Job Responsibilities:<ul><li>We work with LOTS of data (many TB) that comes fast! Scalability and heavy transactional loads, along with heavy reporting, are common challenges for us. We solve a lot of interesting and tricky problems, often not your typical collect/save/display tasks. Opportunities for more advanced coding.</li><li>Milliseconds matter! Performance is key! Optimizing database access, algorithms, and choosing the right data structures are essential for designing performant systems.</li><li>We write code from the ground up. We don’t use many frameworks or packages. Core software engineering skills are what we’re looking for.</li><li>Our suite of systems is vast and varied, including web services (REST, SOAP, hybrid), Windows services, daemons, websites, libraries, command line tools, and Windows apps. They are always in motion, being enhanced to meet new requirements and to move them into the future.</li><li>There are many system interfaces, both within our suite and across teams in the organization. Plenty of opportunities for collaboration with a lot of smart people.</li><li>We have immediate needs for refactoring and several enhancements to allow us to scale up to meet increased loads.</li><li>Although our front-end needs are modest, we are looking for someone who can help us with new front-end development and enhancements to existing systems.</li><li>We mostly use SQL Server and C#.</li></ul>Job Requirements:<ul><li>Bachelor’s degree in computer science (or related field) and 5+ years of professional .NET software development experience, or master’s degree in computer science and 3+ years of .NET software development experience, or related experience.</li><li>SQL experience, including development work with relational databases, stored procedures, triggers, and writing SQL queries.</li><li>Experienced in object-oriented design.</li><li>Solid understanding of algorithms.</li><li>Detail-oriented with excellent problem-solving skills.</li><li>Self-starter, ability to work in a team environment as well as independently.</li></ul>Preferred Qualifications:<ul><li>M.S. in Computer Science</li><li>AWS experience</li></ul>Why Work With Us?When you work with Cambium Assessment, you’ll be helping to design and build inspiring solutions that make a real impact on the online testing industry, as well as the educators and students we support.Our systems are highly scaled and mission-critical, serving over a third of all students in grades 3-8 in the United States.Our web applications are highly interactive and universally accessible.Our machine scoring methods are driven by artificial intelligence, allowing computers to perform complex operations such as grading essays with more accuracy than humans.Our processes use intensive algorithmic computing, allowing a customized experience for each student as the exam adapts in real-time based on answers given.In the 2021–2022 school year, we delivered more than 100 million online tests, successfully supported peak testing volumes exceeding 1.3 million simultaneous test takers, while ensuring an average response time of less than a tenth of a second. We have the most advanced features of any online testing system, and we continue to push boundaries to improve student performance measurement and enable educators with actionable insights to drive better overall educational outcomes.An Equal Opportunity EmployerWe are dedicated to fostering a culture that celebrates unique backgrounds, ideas, and experiences. All qualified applicants will receive consideration for employment without discrimination on the basis of race, color, age, religion, sex, gender, gender identity/expression, sexual orientation, national origin, protected veteran status, or disability.Cambium Learning Group is the education essentials company.With an intentionally curated portfolio of respected global brands, Cambium serves as a leader in the education space, helping millions of educators and students feel more universally valued each and every day.Simplicity - We create simplicity across all our teams and areas of our business.Certainty - We strive to eliminate doubt, delivering solutions, services, and communications that our customers know they can count on.Now - We understand the need to make a difference not only for the future but for today, and our people are committed to making the most of each moment we spend serving our customers.
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Job Overview:

Do you want to be a part of something innovative and cutting edge? If your answer is yes, then join our team of more than 200+ software engineers, system administrators, designers, project managers and software quality assurance specialists that are smart, creative, and excited by what they do! Cambium Assessment Inc is a leading education technology firm focused on transforming the field of educational measurement using advanced computer-adaptive assessments, AI powered scoring, innovative reporting, universally accessible interfaces just to name a few.

As a Software engineer at Cambium Assessment Inc., you will report to the Technical Director and play a crucial role in developing software and conducting detailed process analysis in a fast paced production environment. We are looking for candidates who are highly motivated, detail-oriented, and passionate about leveraging technology and data to drive insights and decision-making. If you are a skilled software engineer with an exceptional command of Python and have a proven track record of delivering high-quality solutions, we encourage you to apply.

Job Responsibilities:

Work closely with software developers and project managers on requirements analysis, software design, implementation, deployment and ongoing evolution of complex software systems.
Support quality assurance teams in conducting their feature and regression testing of systems under the candidate's purview
Work with large volumes of data to conduct specific data analyses using both custom developed software and off the shelf tools
Develop secure, high performance APIs around the core functionality to support integration with other CAI and external systems
Job Requirements:    Bachelor's Degree in Computer Science, Statistics, Mathematics, Bio-Statistics or related field.
5 or more years of programming experience including autonomous code development.
Extensive experience working with Python.
Proficient in python; demonstrated experience building webservices and scalable applications.
Solid understanding of algorithms
Self-starting, independent thinker
Excellent analytical skills
Highly detail-oriented
Good communication skills
Ability to work well on a team, as well as autonomously.
At least 1 year of experience with cloud technologies preferably in AWS.
Desired skills:   PDF generation libraries like ReportLab, PDF Workflow etc.
Common data analyses and scaling libraries like Pandas, Dask, Polars, PyArrow
Working Knowledge of SQL
Experience with version control systems, git/Bitbucket
working knowledge of C#
Familiarity with analytic software packages such as SAS or WPS
Experience with data analysis methods

Why Work With Us?

When you work with Cambium Assessment, you'll be helping to design and build inspiring solutions that make a real impact on the online testing industry, as well as the educators and students we support.    Our systems are highly scaled and mission critical serving over a third of all students in grades 3-8 in the United States.
Our web applications are highly interactive and universally accessible.
Our machine scoring methods are driven by artificial intelligence allowing computers to perform such complex operations as grading essays with more accuracy than humans.
Our processes use intensive algorithmic computing allowing a customized experience for each student as the exam adapts real-time based upon answers given.

In the 2021-2022 school year, we delivered more than 100 million online tests, successfully supported peak testing volumes exceeding 1.3 million simultaneous test takers, while ensuring an average response time of less than a tenth of a second. We have the most advanced features of any online testing system, and we continue to push boundaries to improve student performance measurement and enabling educators with actionable insights to drive better overall educational outcomes for our students. To learn more about our organization and the exciting work we do, visit www.cambiumassessment.com

An Equal Opportunity Employer

We are dedicated to fostering a culture that celebrates unique backgrounds, ideas, and experiences. All qualified applicants will receive consideration for employment without discrimination on the basis of race, color, age, religion, sex, gender, gender identity/expression, sexual orientation, national origin, protected veteran status, or disability.

Do you want to be a part of something innovative and cutting edge? If your answer is yes, then join our team of more than a hundred software engineers, designers, project managers and software specialists that are smart, creative and excited by what they do! Some of our ground-breaking work includes: advanced computer-adaptive algorithms (only one that’s peer-approved in the country); mobile support for the user interfaces; learning management systems with social media features; user interfaces that are universally accessible to people with or without disabilities; innovative, machine-scorable items and that’s just to name a few. Cambium Assessment provides assessment services and technical assistance to school systems nationwide.
Job Responsibilities:
As a .NET Software Engineer, you will be an integral part of the software engineering and product development team within Cambium. This group of professionals provide custom software solutions for our clients as well as internal support systems. Much of the work we perform is new development, so the right candidate will have the skills needed to perform full life-cycle software development. This includes participation in requirements gathering, application and database design, system documentation, writing and unit-testing efficient code, and deployment.
Job Requirements:
B.S. in Computer Science or related field and 3+ years professional .NET software development experience, or M.S Degree and 1+ year of professional .NET software development experience or 5+ years of experience in .NET software development experience
SQL Server development experience to include development work with relational databases, stored procedures, triggers, writing SQL queries
Experienced in object oriented (OO) analysis and design principles, along with a demonstrated skilled knowledge in OO design
Solid understanding of algorithms
Self-starting, autonomous thinker and worker
Excellent analytical skills
Highly detail-oriented
Ability to work well on a team, as well as independently
Why Work With Us?
When you work with Cambium Assessment, you’ll be helping to design and build inspiring solutions that make a real impact on the online testing industry, as well as the educators and students we support.
Our systems are highly scaled and mission critical serving over a third of all students in grades 3-8 in the United States.
Our web applications are highly interactive and universally accessible.
Our machine scoring methods are driven by artificial intelligence allowing computers to perform such complex operations as grading essays with more accuracy than humans.
Our processes use intensive algorithmic computing allowing a customized experience for each student as the exam adapts real-time based upon answers given.
In the 2021–2022 school year, we delivered more than 100 million online tests, successfully supported peak testing volumes exceeding 1.3 million simultaneous test takers, while ensuring an average response time of less than a tenth of a second. We have the most advanced features of any online testing system, and we continue to push boundaries to improve student performance measurement and enabling educators with actionable insights to drive better overall educational outcomes for our students. To learn more about our organization and the exciting work we do, visit www.cambiumassessment.com
An Equal Opportunity Employer
We are dedicated to fostering a culture that celebrates unique backgrounds, ideas, and experiences. All qualified applicants will receive consideration for employment without discrimination on the basis of race, color, age, religion, sex, gender, gender identity/expression, sexual orientation, national origin, protected veteran status, or disability.
Cambium Learning Group is the education essentials company.
With an intentionally curated portfolio of respected global brands, Cambium serves as a leader in the education space, helping millions of educators and students feel more universally valued each and every day. In everything we do and across all our brands, we focus on the elements that are most essential to the success of education:
Simplicity - Across all our teams and all areas of our business, we create simplicity, making things easier and more clear for all those we work with.
Certainty - We continually strive to eliminate doubt, delivering solutions, services and communications that our customers know they can count on.
Now - We understand the need to make a difference not only for the future, but for today, and our people are committed to making the most of each moment we spend serving our customers.

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Cambium Learning Group Interview Questions

Cambium Learning Group Interview Guides

Cambium Learning Group Interview Questions

Cambium Learning Group Salaries by Position

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