Prepare for and practice interview questions from Datasoft Technologies.

Datasoft Technologies Interview Questions

Datasoft Technologies Interview Guides

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 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?

Datasoft Technologies Salaries by Position

Business Analyst Onsite About the Job Duration: Long-term renewable contract. Location: Greenville, SC Pay rate: Hourly Job ID: 5008 This is a full-time W2 position, with no subcontracting or C2C. Overview: DataSoft Technologies, Inc. is seeking a Business Analyst to join our client in Greenville, SC. The Business Analyst oversees the business process analysis, cost/benefit analysis, design, and simulation for small-medium sized projects. Responsibilities: Partners with business units to analyze current operational procedures, identify problems, and learn specific input and output requirements such as forms of data input, how data is to be processed, and how the results will be managed. Serves as a Subject Matter Expert on current "as-is" process and works with the business to define the "to-be" process. Partners with the global network to ensure synergies with existing systems and alignment with group strategy. Reviews and analyzes system capabilities, workflow, and scheduling limitations to determine if requested program or program changes are possible within existing system. Identifies and differentiates system configuration from programming solutions. Prepares time and cost estimates for completing projects. Writes detailed functional specifications for program development. Performs and documents system configuration. Coordinates system interface design and development. Provides on-call support as needed. Prepares and/or coordinates technical reports, process documentation, test plans, training needs assessment, and implementation plans. Supports Department Manager, Process IT with the management of specific elements of projects to schedule following systems development methodology; accountable for efficient and maintainable results that meet business requirements. Researches, coordinates feasibility studies and makes recommendations on process changes and automation in support of improving business processes and cost savings. Ensures target achievement is consistently attained. Creates process change by integrating new processes with existing ones. Recommends and facilitates quality improvement efforts. Stays up to date on future innovations, technical trends and applies this to direct future changes. Has knowledge of the solutions available as well as best practices for the business processes. Serves as an IT project manager for small-medium sized projects overseeing resources assigned, conduct status meetings, and effectively communicates the project status to stakeholders as delegated by the Department Manager, Process IT. Develops project plans, administers the change control processes, and ensures that tasks are completed on time and within budget. Works closely with the business to understand the business requirements to determine the correct system design. Prepares business process mapping and function design. Prepares identification of gaps in the business process. Analyzes business partner's operations to understand their strengths and weaknesses to determine opportunities to automate processes and functions. Assists and recommends business process redesign and documentation as needed. Translates high level business requirements into functional specifications for IT development. Assists Department Manager, Process IT with negotiation agreements and commitments by facilitating communication with the business and design. Serves as a liaison between the business and development to ensure the technical solution meets the business needs as delegated by the Department Process IT. Maintains a high level of understanding of the organization's business processes and requirements. Performs other duties as assigned by operations supervisor. Qualifications: BA or BS degree in Computer Science, Information Technology, Science, or Business or the equivalent of 4 years of experience in an IT application or infrastructure role. 3 years of experience with IT governance and the system development life cycle. 3 years of experience planning, analyzing, testing and designing IT solutions. 3 years of project leadership or system responsibility experience in an IT environment 3 years of systems analysis experience. 3 years experience working in a team-oriented, collaborative environment Training in systems used in assigned area of responsibility (preferred). Project Management training (preferred). Basic knowledge of database, operating systems and IT relevant infrastructure About our Company DataSoft Technologies is a highly recognized provider of professional IT Consulting services in the US. Founded in 1994, DataSoft Technologies, Inc. provides staff augmentation services for Information Technology and Automotive Services. Our team member benefits include: Paid Holidays/Paid Time Off (PTO) Medical/Dental Insurance Group Accident/Critical Illness Insurance Life Insurance 401 (K)

<h2>Business Analyst</h2> Hybrid (3 Days/week onsite) About the Job <ul> <li> Duration: 9 Month Contact </li> <li> Location: Richmond, VA </li> <li> Pay rate: Hourly </li> <li> Job ID: 749601 </li> </ul> Responsibilities: <ul> <li> Act as the voice of the customer, working with project team members and business stakeholders to fully understand business processes, pain points, and customer needs. </li> <li> Develop expertise in customers business applications and organizational data management concepts, advocating for the customer throughout the SDLC. </li> <li> Conduct Root Cause Analysis to identify system gaps and deficiencies that impact the customer and require a business, technical, or blended approach for resolution. </li> <li> Diagram current processes and propose modifications using process flows, context diagrams, and data flow diagrams to ensure clarity for both technical and non-technical stakeholders. </li> <li> Discover and document customer-centric requirements, user stories, and acceptance criteria with a focus on improving business and technical processes. </li> <li> Decompose requirements into Epics and Features; create clear and concise user stories that are aligned with customer goals and are easy to implement by technical teams. </li> <li> Map user stories to technical designs for system modifications, ensuring that solutions meet customer expectations. </li> <li> Identify and group related user stories into Themes; document dependencies, ensuring alignment with customer priorities and business processes. </li> <li> Assist the Product Owner in maintaining the product backlog with a customer-first mindset. </li> <li> Perform Quality Analyst functions, defining test objectives, test plans, and test cases, while executing tests (including regression testing) to ensure customer satisfaction. </li> <li> Coordinate and facilitate User Acceptance Testing (UAT) with business stakeholders, ensuring that the customer is at the center of the testing process and keeping Project Managers/Scrum Masters informed of progress. </li> </ul> Qualifications: <ul> <li> Minimum of 10 years of experience delivering business and data analysis artifacts with a customer-focused approach. </li> <li> 5+ years of experience as an Agile Business Analyst with a strong understanding of Scrum concepts and methodology, including representing the customer during sprint reviews. </li> <li> Experience organizing and maintaining Product and Sprint backlogs, ensuring prioritization based on customer needs. </li> <li> Proficiency in translating client and product strategy requirements into Epics, Features, and User Stories, ensuring alignment with customer goals. </li> <li> Strong data analysis background, organizational data management concepts, and SQL/database experience, particularly in supporting customer-driven solutions. </li> <li> Proficient in defining acceptance criteria and managing the acceptance process with the customer in mind. </li> <li> Experience with software development applications such as Azure DevOps and/or Jira. </li> <li> Expertise with Microsoft Office products (Word, Excel, Access, Outlook, Visio, PowerPoint, Project Server). </li> <li> Experience with reporting systems, operational data stores, data warehouses, data lakes, and data marts. </li> <li> Exceptional written and oral communication skills with a proven ability to advocate for customers while working with a diverse set of peers and stakeholders. </li> </ul> Preferred: <ul> <li> Certified Business Analysis Professional (CBAP) </li> <li> PMI - Professional in Business Analysis (PMI-PBA) </li> <li> PMI - Agile Certified Practitioner (PMI-ACP) </li> <li> Experience using Azure DevOps or Jira for agile software development and work item tracking. </li> <li> Experience with automated testing tools such as TestComplete, Cucumber, or Selenium. </li> </ul> About our Company DataSoft Technologies is a highly recognized provider of professional IT Consulting services in the US. Founded in 1994, DataSoft Technologies, Inc. provides staff augmentation services for Information Technology and Automotive Services. Our team member benefits include: <ul> <li> Paid Holidays/Paid Time Off (PTO) </li> <li> Medical/Dental Insurance </li> <li> Vision Insurance </li> <li> Short Term/Long Term Disability </li> <li> Life Insurance </li> <li> 401 (K) </li> </ul>

Business Analyst- Mid Level Hybrid About the Job<ul> <li>Duration: 12 Months Contract (possibility of extension) </li> <li>Location: Hybrid- Raleigh, NC</li> <li>Pay rate: Hourly, depending on experience</li> <li>Job ID: 749434 </li> </ul>Qualifications:<ul> <li>Typical Experience: 36-60 mons</li> <li>Managing business analysis work or projects with distinct deliverables to a solution</li> <li>Identifying and documenting business processes, issues, value levers, metrics, and capabilities</li> <li>Collecting, organizing, and analyzing data</li> <li>Completing analysis and documentation of as-is capabilities</li> <li>Conducting interviews to gather business requirements</li> <li>Conducting industry, competitive and State analyses (strategic, financial, operational), business case development, as well as market research for benchmarking</li> <li>Supporting required system go-live activities, including conversion, support desk, site support, training delivery, logistics management, etc.</li> <li>Supporting change management and communications programs and activities</li> <li>Performing PMO activities related to project time tracking, work plan updates, status reporting, service metric reporting, and related project administration tasks </li></ul>About our Company DataSoft Technologies is a highly recognized provider of professional IT Consulting services in the US. Founded in 1994, DataSoft Technologies, Inc. provides staff augmentation services for Information Technology and Automotive Services. Our team member benefits include:<ul> <li>Paid Holidays/Paid Time Off (PTO)</li> <li>Medical/Dental Insurance</li> <li>Vision Insurance</li> <li>Short Term/Long Term Disability</li> <li>Life Insurance</li> <li>401 (K) </li> </ul>

Business (Data) Analyst Hybrid About the Job<ul> <li>Duration: 8 Months Contract (possibility of extension) </li> <li>Location: Hybrid- Richmond, VA</li> <li>Pay rate: Hourly, depending on experience</li> <li>Job ID: 749537 </li> </ul>Responsibilities:<ul> <li>Partner with project team members and business stakeholders to deeply understand business processes, identify pain points, and develop expertise in the customers' business applications.</li> <li>Conduct thorough root cause analysis to uncover system gaps and deficiencies, proposing effective business, technical, or blended solutions.</li> <li>Develop process flows, context diagrams, and data flow diagrams to document current processes and propose modifications.</li> <li>Discover and meticulously document requirements and user stories with a focus on improving both business and technical processes.</li> <li>Decompose requirements into Epics and Features, creating clear and actionable user stories that can be easily understood and implemented by technical teams. Use progressive elaboration to map stories to technical design specifications.</li> <li>Support the Product Owner in maintaining the product backlog, grouping related user stories into Themes, and documenting dependencies.</li> <li>Create conceptual prototypes and mock-ups to visualize proposed solutions and enhance stakeholder understanding.</li> <li>Propose cost-effective solutions, rigorously testing their feasibility for both business and technical compatibility.</li> <li>Define test objectives, create test plans and cases, execute tests (including regression testing), and facilitate User Acceptance Testing (UAT) with the business. Keep Project Managers and Scrum Masters informed of the progress of testing activities. </li></ul>Qualifications:<ul> <li>Advanced understanding of enterprise data management concepts and tools.</li> <li>Minimum of 10 years of experience delivering business and systems analysis artifacts.</li> <li>5+ years of experience as an Agile Business Analyst with a strong understanding of Scrum concepts and methodology.</li> <li>Proven experience in organizing and maintaining Product and Sprint backlogs.</li> <li>Proficiency in translating client and product strategy requirements into application requirements and user stories.</li> <li>Expertise in defining acceptance criteria and managing the acceptance process with development teams.</li> <li>Experience with large, multi-module enterprise systems.</li> <li>Proficiency with Microsoft Office products (Word, Excel, Access, Outlook, Visio, PowerPoint, Project Server).</li> <li>Experience with Application Lifecycle Management (ALM).</li> <li>Exceptional written and oral communication skills, with a proven ability to work well with a diverse set of peers and customers. </li></ul>Preferred:<ul> <li>Certified Business Analysis Professional (CBAP)</li> <li>PMI - Professional in Business Analysis (PMI-PBA)</li> <li>PMI - Agile Certified Practitioner (PMI-ACP)</li> <li>Experience using Azure DevOps or Jira for agile software development and work item tracking.</li> <li>Experience with automated testing tools such as Test Complete, Cucumber, or Selenium </li></ul>About our Company DataSoft Technologies is a highly recognized provider of professional IT Consulting services in the US. Founded in 1994, DataSoft Technologies, Inc. provides staff augmentation services for Information Technology and Automotive Services. Our team member benefits include:<ul> <li>Paid Holidays/Paid Time Off (PTO)</li> <li>Medical/Dental Insurance</li> <li>Vision Insurance</li> <li>Short Term/Long Term Disability</li> <li>Life Insurance</li> <li>401 (K) </li> </ul>

IT Entry Level - Data Analyst Onsite About the Job Duration: Long-term renewable contract Location: Greenville, SC Pay rate: Hourly Job ID: 4871 This is a Full Time W2 position, no subcontracting or C2C. Overview: Participates in meeting team targets for daily tasks as well as projects in an international environment. Completes delivery of team requirements on time. Supports the ongoing activities in the field of Data Analytics within the company across multiple business units. Deals with large volumes of data, understands and explores data critical to the business. Works with different business units to understand the business demands with respect to data. Responsibilities: Achieves overall optimal solutions by working closely together with teams of specialists for business processes, IT technologies, IT processes and project managers. Analyzes business critical data and recommends improvements Creating IT Technical documents Drafting and sending IT corporate communications Manages multiple project and initiatives simultaneously as needed. Steers external providers to ensure that the appropriate resources are available, and deliverables are completed at the expected levels of quality. Supports Agile project delivery of IT deliverables. Translates business requirements into team deliverables. Performs other duties as assigned by supervisor. Qualifications: BA/BS degree OR the equivalent of four years' experience in an Enterprise IT environment. Basic ability to work effectively in teams. 1 years of MS office application skills including presentational skills. 1 years of knowledge in conducting statistical analytics and data modeling 1 years of knowledge in data discovery systems: SQL, Qlik, Power BI, Tableau, etc 1 years of communication and interpersonal skills, ability to foster networks and partnerships, and good working knowledge of information and computer technologies. 1 years of analytical skills and judgment. 1 years of ability to lead strategic planning, change processes, results-based management and reporting. 1 years of ability to lead formulation, oversight of implementation, monitoring and evaluation of development projects and or processes. 1 years of task management (multitasking) ability. Fluency (written & spoken) in English language skills. One-year experience in one of the following areas: IT Project Management IT Management IT Procurement IT Systems Analysis Software Development Applying data analytics techniques in a business area Agile Project Management Business Requirements Analysis Business Relationship Management Corporate Communications About our Company DataSoft Technologies is a highly recognized provider of professional IT Consulting services in the US. Founded in 1994, DataSoft Technologies, Inc. provides staff augmentation services for Information Technology and Automotive Services. Our team member benefits include: Paid Holidays/Paid Time Off (PTO) Medical/Dental Insurance Group Accident/Critical Illness Insurance Life Insurance 401 (K)

Datasoft Technologies Interview Questions

Datasoft Technologies Interview Guides

Datasoft Technologies Interview Questions

Datasoft Technologies Salaries by Position

Datasoft Technologies Opening Jobs