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Commonwealth care alliance Interview Questions

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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 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?

Commonwealth care alliance Salaries by Position

**Why This Role is Important to Us:** The Senior Software Engineer will support, maintain, & develop CCA business applications and integrations. This position will be technical leader within the Product Engineering team, involved in various stages of the end-to-end software development lifecycle, with specific responsibilities related to the requirements, architecture, design, development and support of CCA software applications and software data integrations. The Senior Software Engineer is responsible for the development and maintenance of data processes and applications designed to integrate various business systems, this may include web applications and services, API, ETL processes, and job orchestration spanning all systems and functional areas including but not limited to finance, claims, enrollment, and clinical. The Senior Software Engineer works to improve quality and efficiency across the organization. CCA's systems have largely grown up from a small-company environment to an environment requiring high availability, accessibility, ease of use, technological sophistication, reliability in handling complex data, and large user base. Integration between and among technology layers is vital to maintaining accurate, timely and robust service delivery to our business users, members, and providers. Mentors software engineers at CCA (in the U.S) Leads remote off-shore engineering and IT consulting teams on a daily basis **Supervision Exercised:** None **What You'll Be Doing:** + Supports the maintenance and enhancement of business-critical web-based applications in production Conducts technical root cause analysis and lead solution for production issues + Supports the analysis of business requirements, design specifications, development, and technical and user documentation of report development through direct interaction with internal customers + Communicates issues, risks, and ideas to appropriate audience + Seeks assistance in a timely manner + Escalates risks and needs in an appropriate manner + Provides status updates on regular cadence as requested by management team + Support the research, recommendation, and innovation and usage of new processes, tools, software and digital development technologies + Functions as technical leader within the Product Engineering team and across IT as appropriate + Identifies areas of deficiency and drive improvements. + Comfortable holding high-level technical discussions on topics like web development, OAUTH setup, API, data transformations + Expands and optimizes data and data pipeline architecture, as well as optimizes data flow and collection for cross functional teams + Works closely with business partners, data scientists, and cross-discipline developers in order to build and maintain CCA systems and processes + Identifies, designs, and implements internal process improvements: automating manual processes, optimizing user experience, data delivery, and re-designing infrastructure for greater scalability. + Is familiar with troubleshooting techniques + Assists creating technical how-to documents when necessary + Learns quickly and take on new challenges. + Possesses strong business analytical and IT knowledge and communication skills ability to talk to business stakeholders and map their business requirements to IT initiatives, projects, tasks + Creates and maintains Jira tickets, tracking, updates and follow-up **Working Conditions:** Standard office conditions **What We're Looking For:** **Education Required:** + Bachelors degree or equivalent work experience **Education /Certification Desired:** + Masters in computer science or related focus-area preferred + SQL certification(s) preferred + MuleSoft API certification(s) preferred + Talend certification(s) preferred **Experience Required:** + Minimum of 5 years of experience in a hands-on software development + Experience in writing, troubleshooting, and optimizing SQL statement, functions, and procedures in professional environment + Relational database development experience and proficiency with advanced SQL concepts such as complex joins, triggers, cursors, correlated sub queries, analytic functions (MS-SQL Server, Oracle, T-SQL, or PL/SQL) + Experience working with one or more Source Control tools (such as SVN, CVS, Git, TFS, Rational ClearCase) + Batch job processing with scripting + Experience working with end users to gather requirements and build technical solutions from concept to implementation. + Experience with data modeling including normalization, logical and physical designs. **Experience Desired:** + Software integrations experience preferred + MS-SQL Server experience preferred + API development experience preferred + Web service experience preferred + Electronic Data Interchance (EDI) experience preferred + Experience working within in both Waterfall and Agile methodologies preferred + Healthcare experience preferred + Experience working within a DevOps DevSecOps Continuous Integration Continuous Delivery (CICD) environment preferred + Experience with Salesforce preferred + Hands-on MuleSoft API experience preferred + Experience implementing web security protocols and systems (http, oauth 2.0, saml, LDAP) preferred **Knowledge, Skills & Abilities:** + Demonstrated skill with programming languages + Demonstrated knowledge of software development in a professional environment + Demonstrated skills in technical leadership + Demonstrated skills in SQL + Ability to present accurate development effort estimates and provide timely updates + Ability to manage and keep track of multiple tasks simultaneously + Proven ability to develop detailed solution designs + Understands architecture constructs (architecture/design patterns, SOAP, REST etc.). + Ability to develop solutions that consider the long and short-term perspectives of business priorities and that are maintainable and extensible. + Strong written and verbal communication skills + Detail oriented and well organized + Knowledge of software development life cycles and industry best practices + Ability to work calmly and constructively under pressure and deliver on commitments **Knowledge, Skills & Abilities Desired:** + C# .Net background preferred + Talend background preferred + Python background preferred + SSIS background preferred + Salesforce background preferred + Understanding of HIPAA and the importance of patient data privacy preferred + Understanding of cloud architecture/offerings such as AWS, Azure, and GCS (compute, storage, networking) tools preferred **Other:** + May perform data wrangling/cleansing techniques to conduct statistical analysis and identifying key insights for decision makers. + May create and maintain optimal data pipeline architecture from various databases that include SQL, Oracle DB, Teradata, Bigdata, etc.EEO is The Law Equal Opportunity Employer Minorities/Women/Protected Veterans/Disabled Please note employment with CCA is contingent upon acceptable professional references, a background check (including Mass CORI, employment, education, criminal check, and driving record, (if applicable)), an OIG Report and verification of a valid MA/RN license (if applicable). Commonwealth Care Alliance is an equal opportunity employer. Applicants are considered for positions without regard to veteran status, uniformed service member status, race, color, religion, sex, national origin, age, physical or mental disability, genetic information or any other category protected by applicable federal, state or local laws.

Commonwealth care alliance Interview Questions

Commonwealth care alliance Interview Guides

Commonwealth care alliance Interview Questions

Commonwealth care alliance Salaries by Position

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