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Open Systems Technologies Interview Questions

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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

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 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?

Open Systems Technologies Salaries by Position

Open Systems Tech is looking for a Senior Business Analyst for one of our financial services clients. This is a time sensitive opportunity, please apply ASAP. Job Title: Senior Business Analyst - FXLocation: Mississauga - 3 days - Hybrid Term: 1 year contract plus extension Knowledge/Experience/Qualification: • 10+ years of relevant experience working in the financial industry.• Knowledge of FX /FX Options and/or Rates or other Derivatives products and Loan IQ and/or Lending business.• Understanding Trade Capture and Risk management is highly desirable.• A proven track record of business analysis experience.• A proven ability of using complex analytical, interpretive, and problem-solving techniques.• Strong investigation and data analysis skills.• Demonstrated leadership skills and proven interpersonal skills with ability to partner and influence across organizational lines.• Consistently demonstrate clear and concise written and verbal communication.• Ability to work independently.• Flexibility to collaborate with a global team, across geographies and time zones.• Data analysis with intermediate/advanced Python, SQL, Microsoft Office Suite skills.• Computer Science, Engineering or Technical background is an advantage.• Quantitative analysis or portfolio management experience is nice to have.

Software Engineer - Android  Location: Remote
Pay: $75-85/hr W2

Must Haves:  Android and Kotlin

Responsibilities:
Design, develop, and prototype Android native customer applications for internal and external use.
Participate in full app life cycle: concept, design, build, deploy, test and release to app store.
Work with product teams on new product ideas, designs, prototypes and estimates.
Keep up-to-date on current and upcoming features in relevant products and platforms.
Drive a best practices approach to the continuous improvement of our products, processes, and tools.
Assist in the creation and maintenance of documentation for all features in development.
Work cross-functionally with product, design, and other engineering counterparts to execute on product and business strategy and build Client products and features that users will love.
Contribute to the full development cycle: technical design, development, test, experimentation, analysis, and launch.
Review code and design docs, giving feedback on product specs and mocks.
Set and define standards that improve developer workflows, recommend best practices, and help coach and mentor engineers on the team to further their professional development.

Qualifications:
Expertise in Java or Kotlin, with 5+ years of experience in Android development.
Sound software engineering fundamentals.
Able to embrace the challenges of building data intensive, highly responsive, and fault tolerant apps in the constrained environment of a smartphone.
Passion for developing scalable, well-designed software that improves people's lives globally.
Experience building at least one amazing Android app with a team from start to shipment.
Strong organizational skills, the ability to prioritize tasks and keep projects on schedule.
BS degree in Computer Science, a similar technical field of study, or equivalent practical experience.

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Open Systems Technologies Interview Questions

Open Systems Technologies Interview Guides

Open Systems Technologies Interview Questions

Open Systems Technologies Salaries by Position

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