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Lancesoft, Inc. Interview Questions

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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

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?

Lancesoft, Inc. Salaries by Position

Title: Senior Business Data Analyst Location: Plano, TX 75024, USA Duration: Nov 2024 - June 2025 (May vary) Pay Range $45 - $49/hr. on w2. Essential Functions / Key Areas of Responsibility Data Analysis: Analyze complex data sets to uncover trends, patterns, and insights. Use these findings to support business decisions and optimize operational processes. Data Visualization: Create, maintain, and optimize interactive dashboards and reports using Power BI and Tableau to communicate insights effectively to stakeholders. SQL Querying: Write and optimize SQL queries to extract, transform, and manipulate data from various databases. Reporting: Generate and automate regular reports, providing timely and accurate insights into business performance metrics. Data Quality Management: Perform data cleaning, validation, and transformation to ensure high data quality and consistency across all reporting platforms. Collaboration: Partner with cross-functional teams, including marketing, sales, customer support, and product development, to understand their data needs and provide actionable insights. Minimum Requirements: Education: Bachelor's degree in data science, Statistics, Mathematics, Computer Science, Economics, or a related field. A relevant Master's degree is a plus. Experience: Minimum of 3+ years of hands-on experience in data analysis. Experience working as a contractor or in a part-time capacity is a plus.

Summary: Pay Rate : $ 80 to $ 85.00 per hour Duration: 12 Months + Location: South San Francisco, CA 94080 Job Responsibilities : The Anatomic Pathology group within the Profiling & Expression department is seeking a motivated, experienced scientist with experience in digital image analysis on digital pathology images to support discovery and translational research in our pathology group in South San Francisco. The Successful Candidate will: •Perform image preprocessing tasks according to established SOPs, including metadata extraction, output quality control, and secure data transfer to cloud storage. •Assist in evaluating and implementing new algorithms to enhance the image analysis pipeline, such as cell segmentation improvements, tissue classification, and cell phenotyping. •Assist with the transfer of data and image-related information for analysis, facilitating smooth collaboration between teams. •Coordinating with IT to •Gather and document feedback from users on image analysis workflows and tools. •Address user pain points, define requirements, and improve tool functionality. •Lead user experience testing, working with IT to implement improvements and optimize tools for production use •Maintain and update image analysis computers to ensure they remain optimized for routine tasks •Define and document requirements for new tools and ensure their successful deployment. •Provide administrative support for multiplex IHC related work, including reagent ordering, capital equipment purchasing, document and maintain SOPs for image processing and analysis workflows. •Interact smoothly with scientists, computer scientists, and informatics/IT staff, both internally and externally Qualification: Required Experience and Skills: •B.S with minimum 5+ years'; Masters with 3+ years'; PHD with 1-2 years' of relevant work experience in industry or academia •Experience using digital image analysis software and spatial imaging platforms such as HALO, Visiopharm, QuPath, digital slide scanning, multiplex spectral imaging, Akoya Polaris, Phenocycler/Fusion. •Strong organizational abilities and communication skills Preferred Experience and Skills: •Programming skills with application in imaging (e.g. Python, MATLAB) data •Experience with immunohistochemistry and multiplexed immunofluorescence assay development •Experience with version control environments, such as Git •Experience with high-performance Linux cluster and cloud computing •Familiarity with clientservers and cloud computing infrastructure •Comfort with histology/microanatomy •Background in oncology and/or immunology

Role: Engineering Manager Location: Brandon, SD 57005 (100% Onsite) Duration: Direct Hire Pay Rate: $98k-$144k/years Shift hour: 1st Shift (100% Onsite) Job Description: Engineering Manager Seeking an experienced Engineering Manager with a strong background in manufacturing engineering to lead our engineering team. The ideal candidate will have expertise in manufacturing processes, project management, and team leadership. This role is crucial for driving operational excellence and ensuring the efficient production of higher-quality products. Dare to make an impact? YOUR ROLE<ol> <li>Lead, mentor, and manage a team of manufacturing engineer, ensuring effective training, performance management, and professional development.</li> <li>This individual is a key contributor to the site management team for proactively building a site culture of teamwork, accountability, and communication.</li> <li>Develop and implement strategies to enhance manufacturing processes, reduce costs, and improve product quality.</li> <li>Oversee engineering projects from conception to completion, including planning, execution, and monitoring.</li> <li>Evaluate and recommend new technologies and equipment to optimize manufacturing operations and ensure equipment reliability.</li> <li>Address and resolve manufacturing issues, including troubleshooting equipment malfunctions and process inefficiencies.</li> <li>Ensure manufacturing processes comply with safety, environmental, and industry regulations and standards.</li> <li>Develop and manage budgets for manufacturing projects, ensuring cost-effectiveness and alignment with company goals.</li> <li>Work closely with other departments which includes Quality Assurance, Production, and Supply Chain to ensure alignment and efficiency.</li> <li>Utilize data to drive decisions and continuous improvement in manufacturing processes.</li> <li>Monitor key performance indicators and drive continuous improvement initiatives. </li></ol>YOUR SKILLS <ol> <li>B.S. in Chemical, Mechanical, or Electrical Engineering. Strong working knowledge of manufacturing and associated engineering disciplines.</li> <li>10 years process engineering experience preferred.</li> <li>Demonstrated strong management and leadership skills to balance multiple competing priorities for a diverse group of skilled technical personnel.</li> <li>Must be an outstanding leader that can implement the company vision by simultaneously challenging their team members and creating strong personal relationships.</li> <li>Lean manufacturing experience is required</li> <li>Experience working in an ISO9001 and/or IATF16949 manufacturing environment is strongly preferred.</li> <li>Must work efficiently within established time frames to deliver manufacturing systems that meet safety, quality, and productivity requirement.</li> <li>Knowledge of process control systems, error proofing, and design for manufacturability analysis.</li> <li>Strong experience in Project management and skills executing scope, budget, Gantt charts, timelines, etc.</li> <li>Ability to define problems by collecting and analyzing data, establish facts, and determining root cause. Formulate and test hypotheses and develop valid conclusions.</li> <li>Ability to prioritize and manage multiple projects involving cross-functional teams in a complex global matrix organization.</li> <li>Proficient in use of software including MS Project, MS Office, and SAP or similar MRP experience required. </li></ol> The salary for this role is $98,000 - $144,000. This is the range that we in good faith anticipate relying on when setting wages for this position. We may ultimately pay more or less than the posted range and this range. This salary range may also be modified in the future. THE PERKS<ol> <li>The engineering manager position is a key leadership role that will help the facility become World Class in Operations and a Great Place to Work</li> <li>New state-of-the-art facility implementing Industry 4.0 concepts</li> <li>Be part of an expanding facility supporting automotive growth markets</li> <li>Full air-conditioned and heated manufacturing shop</li> <li>Health, Disability, Dental and Life Insurance</li> <li>Vacation / Paid Time Off</li> <li>Outstanding 401k Match & company stock purchase program</li> <li>Paid Parental Leave & Childcare Benefits</li> <li>Performance Bonus Incentives</li> <li>Much more! </li></ol> Employee Benefits: At LanceSoft, full time regular employees who work a minimum of 30 hours a week or more are entitled to the following benefits: <ul> <li>Four options of medical Insurance</li> <li>Dental and Vision Insurance</li> <li>401k Contributions</li> <li>Critical Illness Insurance</li> <li>Voluntary Permanent Life Insurance</li> <li>Accident Insurance</li> <li>Other Employee Perks </li></ul> EEO: LanceSoft is a certified Minority Business Enterprise (MBE) and an equal opportunity employer. We prohibit discrimination and harassment of any kind based on race, color, sex, religion, sexual orientation, national origin, disability, genetic information, pregnancy, or any other protected characteristic as outlined by federal, state, or local laws. This policy applies to all employment practices within our organization, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, compensation, benefits, training, and apprenticeship. LanceSoft makes hiring decisions based solely on qualifications, merit, and business needs at the time.

{Job Title :: Senior Software Engineer(Backend development} Position Type: {Contract Full time} Location: {Hillsboro, OR 97124} Onsite Flexibility: {All Onsite} Pay Range: {$80/hr -$80/hr} Job Description Job Title: Senior Software Engineer Essential Duties and Responsibilities: As a Senior Software Engineer, you will be responsible for a variety of tasks aimed at developing high-quality software solutions. Your specific duties will include, but are not limited to: •Software Design and Development: Design, develop, and integrate software solutions with target hardware platforms. •Requirement Translation: Collaborate with project management and technical leads to convert customer product requirements into technical tasks for product designs. •Code Quality: Write clean, maintainable, and efficient code while adhering to industry best practices and standards. •Design and Architecture Review: Participate in design and architecture reviews and create and maintain comprehensive technical documentation. •Code Reviews: Conduct code reviews to ensure code quality and provide constructive feedback to team members. •Debugging and Issue Resolution: Debug and resolve complex technical issues to ensure software stability and performance. Minimum Education and Experience Requirements: •Educational Background: Bachelor's degree in computer science, Computer Systems Engineering, or a related field. •Professional Experience: A minimum of 5 years of experience in developing commercial software. Knowledge, Skills, and Abilities: To perform the essential functions of this role effectively, you should possess the following: •Proficiency in Microsoft Development Environments: Skilled in C#, C++, and the .NET Framework. •WPF Expertise: Strong software development skills in WPF. •Design Patterns: Proficient in MVVM and event-driven design. •Object-Oriented Design: Proficient in interface-based object-oriented software design. •Software Development Lifecycle: Familiarity with the software development life cycle (SDLC). •Agile Development: Familiarity with agile software development concepts including usage of JIRA. •Backend Development: Experience in backend software development. •Team Collaboration: Highly motivated team player with a strong desire for continuous learning and knowledge expansion. Employee Benefits: At LanceSoft, full time regular employees who work a minimum of 30 hours a week or more are entitled to the following benefits: <ul> <li>Four options of medical Insurance</li> <li>Dental and Vision Insurance</li> <li>401k Contributions</li> <li>Critical Illness Insurance </li> <li>Voluntary Permanent Life Insurance </li> <li>Accident Insurance</li> <li>Other Employee Perks</li></ul> About LanceSoft LanceSoft is rated as one of the largest staffing firms in the US by SIA. Our mission is to establish global cross-culture human connections that further the careers of our employees and strengthen the businesses of our clients. We are driven to use the power of our global network to connect businesses with the right people, and people with the right businesses without bias. We provide Global Workforce Solutions with a human touch. EEO Employer LanceSoft is a certified Minority Business Enterprise (MBE) and an equal opportunity employer. We prohibit discrimination and harassment of any kind based on race, color, sex, religion, sexual orientation, national origin, disability, genetic information, pregnancy, or any other protected characteristic as outlined by federal, state, or local laws. This policy applies to all employment practices within our organization, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, compensation, benefits, training, and apprenticeship. LanceSoft makes hiring decisions based solely on qualifications, merit, and business needs at the time. Want to read more about LanceSoft? Click here to visit our website - www.lancesoft.com

Title: Marketing Analyst/Specialist-II Location: 100% Remote Duration: 06+ Months Description<ul> <li>CRM CW - US Local Markets (Mx growth campaigns + Win. competitive responses) Level: Associate Manager Team: Cx Retention </li></ul> Overview of role: <ul> <li>Support the US Local Markets growth initiatives by executing marketing campaigns on owned channels, such as email, push, and in-app banners in collaboration with the Strategy & Operations, Merchant account relationship managers, Analytics, and Product teams. </li> <li>The candidate should be a solutions-oriented team player who has strong attention to detail and willingness to be flexible on an accelerated business unit. </li></ul> Responsibilities: <ul> <li>Own CRM strategy for all US Local Markets consumer experiments and campaigns, determining channels and send cadence </li> <li>Create the strategy and framework for the rapid testing in CRM channels Manage end-to-end development and execution of email, push, and in-app campaigns </li> <li>Manage creative briefs end to end, from requesting campaigns assets needed to reviewing copy and design to launching campaigns Pull lists from Snowflake using SQL and upload audiences to marketing platforms </li> <li>Responsible for tracking initiatives, reporting progress out to team proactively and identifying next steps from campaign learnings, as well as understanding campaign performance against current benchmarks </li> <li>Optimize engagement metrics through A/B testing and/or applying CRM team insights, and investigate performance inconsistencies to ensure campaigns have optimal scale and effectiveness </li> <li>Establish a strong working relationship with cross functional stakeholders in our Strategy & Operations, Merchant account relationship managers, Analytics, and Product teams Stay current on marketing best practices in email and push notifications, CRM operations, and best practices within Cx Retention team sharing learnings and insights regularly. </li></ul> Skills & experience: <ul> <li>4+ years experience in customer retention marketing, customer engagement, or CRM operations </li> <li>Results-oriented with an exceptional track record of developing profitable retention programs and exceeding performance targets </li> <li>Highly motivated with an entrepreneurial spirit and ability to work independently, while also able to build strong internal relationships and consensus on initiatives </li> <li>Passion for customer experience and increasing the value of customers </li> <li>Ability to be nimble and make strategic pivots to support business goals </li> <li>Ability to translate value propositions and messaging framework into channel-specific copy, with mindfulness of customer lifecycle and channel limitations </li> <li>Strong analytical skills; able to create data-driven marketing strategies and campaigns end to end Strong stakeholder management and interpersonal skills Bachelor's degree or equivalent experience; </li> <li>Master's degree a plus Basic knowledge of SQL, HTML and data visualization platforms (e.g. Tableau, Periscope) are nice-to-haves Spanish language fluency is a plus </li></ul> Employee Benefits: At LanceSoft, full time regular employees who work a minimum of 30 hours a week or more are entitled to the following benefits: <ul> <li>Four options of medical Insurance</li> <li>Dental and Vision Insurance</li> <li>401k Contributions</li> <li>Critical Illness Insurance </li> <li>Voluntary Permanent Life Insurance </li> <li>Accident Insurance</li> <li>Other Employee Perks </li></ul> EEO Employer LanceSoft is a certified Minority Business Enterprise (MBE) and an equal opportunity employer. We prohibit discrimination and harassment of any kind based on race, color, sex, religion, sexual orientation, national origin, disability, genetic information, pregnancy, or any other protected characteristic as outlined by federal, state, or local laws. This policy applies to all employment practices within our organization, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, compensation, benefits, training, and apprenticeship. LanceSoft makes hiring decisions based solely on qualifications, merit, and business needs at the time.

Job Title: Full Stack Software Engineer
Work Location: Boston, MA

To help us achieve our mission, we are looking for a Full Stack Software Engineer to join our team to construct systems, pipelines, front-end and back-end applications to support analytic efforts and reveal insights. They will play an integral role on a team responsible for the development, testing, and delivery of high security, high quality products.

Requirements
Exceptional problem-solving skills and willingness to learn new concepts, methods, and technologies.
Outstanding written and verbal communication skills
Bachelor of Science degree in Computer Science, similar technical field of study or equivalent practical experience
7+ years of building complex software systems (Data pipelines, services, backends, frontends)
5+ years working with data and relevant computation frameworks and system
5+ years using Python programming language
3+ years using Python Django
5+ years using Web application development (HTML, CSS, Javascript)
3+ years using React/Redux
Experience with SASS, TypeScript and Webpack is a plus
Experience with Numpy/Pandas is a plus
Experience writing complex SQL queries for a RDBMS
Experience in data modeling and database design
Experience with building a Jenkins pipeline
Experience with Docker
Experience with Redis
Experience with AWS Stack (S3, EC2, Kubernetes, Terraform, etc)
Knowledge of software design patterns
Experience collaborating with a team of engineers with varying skillsets
Experience with Agile software engineering principles and methodologies

Primary Responsibilities
Collaborate with Data Engineers, Data Analysts, Product and Project Managers, and enterprise stakeholders to deliver innovative, data-driven systems aimed at transforming the insurance industry
May be responsible for any of the following: design, develop, implement, test, document, and operate systems and/or web applications
Mentor and peer review the work of more junior software engineers
Collaborate with internal business partners and the team to analyze and decompose complex application features into simpler stories for planning and execution
Provide technical leadership on medium and large projects
Build complex systems integrating appropriate technologies as needed, including the extract, transform, load and processing of data as well as creation, processing, and consumption of RESTful API endpoints
Define realistic timeframes to assigned tasks and provides estimation guidelines across teams
Drive value and build to continuously improve the quality of deliverables
Lead problem solving to come up with solutions that follow best practices and align with Software Engineering guidelines and strategies

Education:
Bachelor's degree preferred. HS diploma required.

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Assists in formulating and defining systems scope and objectives using research and basic understanding of business systems and industry requirements. Learns to conduct business process analyses, needs assessments and cost/benefits analyses for aligning operations solutions with business initiatives. Provides assistance in testing efforts and may provide security administration to application supported by area when the appropriate written and approved request is received. •25% Obtains a detailed understanding of the major operations and functions in effect within the areas being supported. Reviews basic system enhancements/upgrades to determine applicability of customer file modification requirements. Following clearly defined procedures, assists in facilitating timely and accurate updates to reference files based on customer requests. •25% Documents system problems and assists in their resolution. Reviews and completes various daily reports to ensure system is performing as expected. Prepares written reports and analysis, including recommendations pertaining to system functionality and testing progress. •20% Prepares and reviews test data, test plans and test matrices for system changes. Develops test matrices to accurately reflect changes and detail expected outcome. Executes test cases and evaluates test results for errors. Reports problems through appropriate channels and suggests corrections for a successful implementation. •15% Under the guidance of an advanced business analyst or manager, learns to define business requirements, perform tests, and may lead small projects. •10% Learns how to prepare and review data for analysis in order to evaluate the activities, performance and systems within a specific area for standards and workflow simplification. •5% Communicates with management and departmental personnel to document workflow procedures. Assists in preparing verbal and written communication about business changes with management or other staff members. Functions as liaison between the operations testers and information systems to facilitate communications. In addition, assists customer testers with issues that arise during projects. Required Skills and Abilities: Basic knowledge of business support and systems concepts. Strong teamwork, communication and interpersonal skills. Good analytical and conceptual skills. Good organizational and problem solving abilities. Understands how projects and implementations affect an organization and is able to link it to business processes. Required Software and Tools: Microsoft Office. Preferred Skills and Abilities: Knowledge of procedures for the supported business unit. Computer programming skills. Able to express basic technical/business concepts to management, peers, and the business units. Preferred Software and Other Tools: Working knowledge of Client/subsidiary systems. Knowledge of programming languages and/or concepts. Easytrieve, DB2 or related. Work Environment: Typical office environment.

Lancesoft, Inc. Interview Questions

Lancesoft, Inc. Interview Guides

Lancesoft, Inc. Interview Questions

Lancesoft, Inc. Salaries by Position

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