Prepare for and practice interview questions from Base2 Solutions.

Base2 Solutions Interview Questions

A/B Testing

Algorithms

Analytics

Machine Learning

Probability

Product Metrics

Python

Statistics

Base2 Solutions Interview Guides

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?

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?

Description:

Base-2 Solutions is looking for a top-notch software engineer to join our team. We are driven to solve challenging customer problems by leveraging innovative technical solutions. Our software engineers develop the next-generation technologies that drive decision making and impact our national defense. We're looking for engineers who bring fresh ideas from all areas, including information retrieval, distributed computing, large-scale system design, networking and data storage, security, artificial intelligence, natural language processing, and UI design. We need our engineers to be versatile, display leadership qualities and be enthusiastic to take on new problems as we continue to push technology forward.

Responsibilities:

Develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements. Works individually or as part of a team. Reviews and tests software components for adherence to the design requirements and documents test results. Resolves software problem reports. Utilizes software development and software design methodologies appropriate to the development environment. Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components.

Experience with some or all of the following:

Programming languages such as Java, C#, C++, JavaScript, Python, Scala, Ruby and Go
IDEs such as Eclipse, NetBeans, IntelliJ IDEA, PyCharm, Visual Studio and VS Code
Operating systems such as Windows, Unix, Linux and macOS
Team collaboration and issue tracking tools such as Atlassian Suite (JIRA, Confluence), GitHub and ServiceNow
Software frameworks such as Spring, Angular and Bootstrap
Databases such as Oracle, MySQL and MongoDB
Build tools such as Maven and Jenkins
Containers and container orchestration tools such as Docker and Kubernetes
Configuration management tools such as Git, SVN and CVS
Cloud providers such as AWS, Azure and Google Cloud

Requirements:

Twenty (20) years experience as a software engineer is required.
Bachelors degree in Computer Science or related discipline from an accredited college or university is required.
Four (4) years of additional software engineering experience may be substituted for a bachelors degree.
TS/SCI with Full Scope Polygraph clearance is required.

Pay & Benefit Highlights
Compensation

Above market fixed salary or hourly pay.
Up to $10,000 bonus for each referral.
Additional bonuses for exceptional performance, assisting with business development and company growth.

Health    100% paid premiums for health insurance. Choose from over 80 gold-level medical plans from Aetna, CareFirst, Kaiser and UnitedHealthcare. Choose from PPO, EPO, POS, HMO, and HSA-compatible.
HSA and FSA options.
100% paid premiums for dental insurance.
100% paid premiums for vision insurance.

Income Protection    100% paid premiums for short-term disability.
100% paid premiums for long-term disability.
100% paid premiums for accidental death & dismemberment.
100% paid premiums for life insurance with a $200,000 max benefit.

Retirement    8% company contribution to 401k with immediate vesting.
401k pre-tax and Roth options.

Leave    Up to 20 days of flexible paid time off (PTO).
11 days of paid floating holidays.

Work-Life Balance    Flexible work schedules including flex time and compressed work period.
Remote work including partial or fully remote (contract and project-dependent).

View our detailed Pay & Benefits
Equal Opportunity Employer
Base-2 Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Annual Salary Range: $220,000 to $240,000 with Full Benefits to include Health/Dental/Vision and PTO. Description: Base-2 Solutions is looking for a top-notch software engineer to join our team. We are driven to solve challenging customer problems by leveraging innovative technical solutions. Our software engineers develop the next-generation technologies that drive decision making and impact our national defense. We're looking for engineers who bring fresh ideas from all areas, including information retrieval, distributed computing, large-scale system design, networking and data storage, security, artificial intelligence, natural language processing, and UI design. We need our engineers to be versatile, display leadership qualities and be enthusiastic to take on new problems as we continue to push technology forward. Responsibilities: Develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements. Works individually or as part of a team. Reviews and tests software components for adherence to the design requirements and documents test results. Resolves software problem reports. Utilizes software development and software design methodologies appropriate to the development environment. Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components. Experience with some or all of the following: Programming languages such as Java, C#, C++, JavaScript, Python, Scala, Ruby and Go IDEs such as Eclipse, NetBeans, IntelliJ IDEA, PyCharm, Visual Studio and VS Code Operating systems such as Windows, Unix, Linux and macOS Team collaboration and issue tracking tools such as Atlassian Suite (JIRA, Confluence), GitHub and ServiceNow Software frameworks such as Spring, Angular and Bootstrap Databases such as Oracle, MySQL and MongoDB Build tools such as Maven and Jenkins Containers and container orchestration tools such as Docker and Kubernetes Configuration management tools such as Git, SVN and CVS Cloud providers such as AWS, Azure and Google Cloud Requirements: Twenty (20) years experience as a software engineer is required. Bachelors degree in Computer Science or related discipline from an accredited college or university is required. Four (4) years of additional software engineering experience may be substituted for a bachelors degree. TS/SCI with Full Scope Polygraph clearance is required. Pay & Benefit Highlights Compensation Above market fixed salary or hourly pay. Up to $10,000 bonus for each referral. Additional bonuses for exceptional performance, assisting with business development and company growth. Health 100% paid premiums for health insurance. Choose from over 80 gold-level medical plans from Aetna, CareFirst, Kaiser and UnitedHealthcare. Choose from PPO, EPO, POS, HMO, and HSA-compatible. HSA and FSA options. 100% paid premiums for dental insurance. 100% paid premiums for vision insurance. Income Protection 100% paid premiums for short-term disability. 100% paid premiums for long-term disability. 100% paid premiums for accidental death & dismemberment. 100% paid premiums for life insurance with a $200,000 max benefit. Retirement 8% company contribution to 401k with immediate vesting. 401k pre-tax and Roth options. Leave Up to 20 days of flexible paid time off (PTO). 11 days of paid floating holidays. Work-Life Balance Flexible work schedules including flex time and compressed work period. Remote work including partial or fully remote (contract and project-dependent). View our detailed Pay & Benefits Equal Opportunity Employer Base-2 Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

This position is responsible for working with DoD, IC, and Federal customers to develop, deploy and configure data centric Zero Trust solutions. These solutions should adhere to Zero Trust best-practices, reference frameworks, regulations, and guidelines. Position requires interfacing with customer stakeholders and engineering teams. Qualifications * Experience with data centric security solutions and software engineering. * Experience with programming in Python and Java. * Experience with designing, building and maintaining ETL processes. * Experience with programming in Golang or Ruby is desired. * Demonstrated implementation of microservices, container and cloud-native application development, API development and automation. * Hands-on experience with Docker, Kubernetes or OpenShift and related container platform ecosystems. * Strong understanding and experience of release engineering and continuous delivery process. * Strong understanding of static code analysis, unit testing and test-driven development, security testing and automated test frameworks. * Experience using Jenkins, SonarQube, GIT, Maven, Gradle. * Strong understanding of principles of DevOps and Continuous Delivery. * Experience with application servers such as JBoss, Tomcat, WebLogic, or WebSphere. * Strong Agile experience working in Scrum and/or Kanban models. * Experience with database technologies such as Oracle, MySQL, Postgres, or MongoDB. * Experience working in a DevOps-focused environment previously with advanced understanding of DevOps principles as a big plus. * Proven track record of delivering high quality and consistent systems and environments for development teams. * Expertise in AWS architecture. * Strong experience with cloud environments such as Azure, Oracle Cloud, and Google Cloud. * Linux experience. * Performs highly specialized and technical tasks associated with the most current and cutting-edge technologies. * Coordinates with contract management and customer to ensure the problems have been properly defined and the solutions satisfy customer needs. * Performs complex system development, design, modeling, analysis, integration, and sustainment of systems for new or existing computer systems within an Enterprise. * Developing and implementing testing strategies and documenting results. * Communicates with customers and teammates clearly and concisely. * Maintains current knowledge of relevant technology as assigned and may have supervisory responsibilities. * Developing documentation on new or existing systems. * Strong written, verbal and presentation skills. Desired Skills * Zero Trust Fundamentals * Solid understanding of Zero Trust pillars, best practices, frameworks, and implementation strategies. * Knowledge of federal policies, regulations, and standards * CISA Cloud Security Technical Reference Architecture * CISA Zero Trust Maturity Model * DoD Zero Trust Reference Architecture * M-22-09 Federal Zero Trust Strategy * National Security Systems Zero Trust Reference Architecture * NIST CSWP Planning for a Zero Trust Architecture - A Starting Guide for Administrators * NIST SP 800-207 Zero Trust Architecture Education and Experience * HS/GED + 12 years * Associates Degree + 10 years * Bachelor's Degree + 8 years * Master's Degree + 6 years * PhD + 4 years Required Certifications * None Desired Certifications * DoD 8570 IAT Level II certification * Oracle Certified Associate, Java SE 8 Programmer Certification * Oracle Certified Professional: Java SE 11 Developer * Forrester's Zero Trust Strategy * Red Hat Certified Cloud-Native Developer * Google Certified Professional Cloud Developer * AWS Certified Solutions Architect - Associate * AWS Certified Developer - Associate * Microsoft Certified Azure Developer - Associate * Certified Cloud Security Professional Pay & Benefit Highlights Compensation * Above market fixed salary or hourly pay. * Up to $10,000 bonus for each referral. * Additional bonuses for exceptional performance, assisting with business development and company growth. Health * 100% paid premiums for health insurance. Choose from over 80 gold-level medical plans from Aetna, CareFirst, Kaiser and UnitedHealthcare. Choose from PPO, EPO, POS, HMO, and HSA-compatible. * HSA and FSA options. * 100% paid premiums for dental insurance. * 100% paid premiums for vision insurance. Income Protection * 100% paid premiums for short-term disability. * 100% paid premiums for long-term disability. * 100% paid premiums for accidental death & dismemberment. * 100% paid premiums for life insurance with a $200,000 max benefit. Retirement * 8% company contribution to 401k with immediate vesting. * 401k pre-tax and Roth options. Leave * Up to 20 days of flexible paid time off (PTO). * 11 days of paid floating holidays. Work-Life Balance * Flexible work schedules including flex time and compressed work period. * Remote work including partial or fully remote (contract and project-dependent). View our detailed Equal Opportunity Employer Base-2 Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Annual Salary Range: $180,000 to $220,000 with Full Benefits to include Health/Dental/Vision and PTO. Description: Base-2 Solutions is looking for a top-notch software engineer to join our team. We are driven to solve challenging customer problems by leveraging innovative technical solutions. Our software engineers develop the next-generation technologies that drive decision making and impact our national defense. We're looking for engineers who bring fresh ideas from all areas, including information retrieval, distributed computing, large-scale system design, networking and data storage, security, artificial intelligence, natural language processing, and UI design. We need our engineers to be versatile, display leadership qualities and be enthusiastic to take on new problems as we continue to push technology forward. Responsibilities: Develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements. Works individually or as part of a team. Reviews and tests software components for adherence to the design requirements and documents test results. Resolves software problem reports. Utilizes software development and software design methodologies appropriate to the development environment. Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components. Experience with some or all of the following: * Programming languages such as Java, C#, C++, JavaScript, Python, Scala, Ruby and Go * IDEs such as Eclipse, NetBeans, IntelliJ IDEA, PyCharm, Visual Studio and VS Code * Operating systems such as Windows, Unix, Linux and macOS * Team collaboration and issue tracking tools such as Atlassian Suite (JIRA, Confluence), GitHub and ServiceNow * Software frameworks such as Spring, Angular and Bootstrap * Databases such as Oracle, MySQL and MongoDB * Build tools such as Maven and Jenkins * Containers and container orchestration tools such as Docker and Kubernetes * Configuration management tools such as Git, SVN and CVS * Cloud providers such as AWS, Azure and Google Cloud Requirements: * Fourteen (14) years experience as a software engineer is required. * Bachelor's degree in Computer Science or related discipline from an accredited college or university is required. * Four (4) years of additional software engineering experience may be substituted for a bachelor's degree. * TS/SCI with Full Scope Polygraph clearance is required. Pay & Benefit Highlights Compensation * Above market fixed salary or hourly pay. * Up to $10,000 bonus for each referral. * Additional bonuses for exceptional performance, assisting with business development and company growth. Health * 100% paid premiums for health insurance. Choose from over 80 gold-level medical plans from Aetna, CareFirst, Kaiser and UnitedHealthcare. Choose from PPO, EPO, POS, HMO, and HSA-compatible. * HSA and FSA options. * 100% paid premiums for dental insurance. * 100% paid premiums for vision insurance. Income Protection * 100% paid premiums for short-term disability. * 100% paid premiums for long-term disability. * 100% paid premiums for accidental death & dismemberment. * 100% paid premiums for life insurance with a $200,000 max benefit. Retirement * 8% company contribution to 401k with immediate vesting. * 401k pre-tax and Roth options. Leave * Up to 20 days of flexible paid time off (PTO). * 11 days of paid floating holidays. Work-Life Balance * Flexible work schedules including flex time and compressed work period. * Remote work including partial or fully remote (contract and project-dependent). View our detailed Equal Opportunity Employer Base-2 Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Annual Salary Range: $110,000 to $140,000 with Full Benefits to include Health/Dental/Vision and PTO. Description: Base-2 Solutions is looking for a top-notch software engineer to join our team. We are driven to solve challenging customer problems by leveraging innovative technical solutions. Our software engineers develop the next-generation technologies that drive decision making and impact our national defense. We're looking for engineers who bring fresh ideas from all areas, including information retrieval, distributed computing, large-scale system design, networking and data storage, security, artificial intelligence, natural language processing, and UI design. We need our engineers to be versatile, display leadership qualities and be enthusiastic to take on new problems as we continue to push technology forward. Responsibilities: Develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements. Works individually or as part of a team. Reviews and tests software components for adherence to the design requirements and documents test results. Resolves software problem reports. Utilizes software development and software design methodologies appropriate to the development environment. Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components. Experience with some or all of the following: * Programming languages such as Java, C#, C++, JavaScript, Python, Scala, Ruby and Go * IDEs such as Eclipse, NetBeans, IntelliJ IDEA, PyCharm, Visual Studio and VS Code * Operating systems such as Windows, Unix, Linux and macOS * Team collaboration and issue tracking tools such as Atlassian Suite (JIRA, Confluence), GitHub and ServiceNow * Software frameworks such as Spring, Angular and Bootstrap * Databases such as Oracle, MySQL and MongoDB * Build tools such as Maven and Jenkins * Containers and container orchestration tools such as Docker and Kubernetes * Configuration management tools such as Git, SVN and CVS * Cloud providers such as AWS, Azure and Google Cloud Requirements: * No demonstrated experience is required. * Bachelor's degree in Computer Science or related discipline from an accredited college or university is required. * Four (4) years of software engineering experience may be substituted for a bachelor's degree. * TS/SCI with Full Scope Polygraph clearance is required. Pay & Benefit Highlights Compensation * Above market fixed salary or hourly pay. * Up to $10,000 bonus for each referral. * Additional bonuses for exceptional performance, assisting with business development and company growth. Health * 100% paid premiums for health insurance. Choose from over 80 gold-level medical plans from Aetna, CareFirst, Kaiser and UnitedHealthcare. Choose from PPO, EPO, POS, HMO, and HSA-compatible. * HSA and FSA options. * 100% paid premiums for dental insurance. * 100% paid premiums for vision insurance. Income Protection * 100% paid premiums for short-term disability. * 100% paid premiums for long-term disability. * 100% paid premiums for accidental death & dismemberment. * 100% paid premiums for life insurance with a $200,000 max benefit. Retirement * 8% company contribution to 401k with immediate vesting. * 401k pre-tax and Roth options. Leave * Up to 20 days of flexible paid time off (PTO). * 11 days of paid floating holidays. Work-Life Balance * Flexible work schedules including flex time and compressed work period. * Remote work including partial or fully remote (contract and project-dependent). View our detailed Equal Opportunity Employer Base-2 Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Job Description: The Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based on documented requirements. Works individually or as part of a team. Review and test software components for adherence to the design requirements and document test results. Resolves software problem reports. Utilizes software development and software design methodologies appropriate to the development environment. Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components. Capabilities: * Analyze user requirements to derive software design and performance requirements. * Debug existing software and correct defects. * Provide recommendations for improving documentation and software development process standards. * Design and code new software or modify existing software to add new features. * Integrate existing software into new or modified systems or operating environments. * Develop simple data queries for existing or proposed databases or data repositories. * Write or review software and system documentation. * Serve as team lead at the level appropriate to the software development process being used on any particular project. * Design or implement complex database or data repository interfaces/queries. * Develop or implement algorithms to meet or exceed system performance and functional standards. * Assist with developing and executing test procedures for software components. * Develop software solutions by analyzing system performance standards, confer with users or system engineers; analyze systems flow, data usage and work processes; and investigate problem areas. * Modify existing software to correct errors, to adapt to new hardware, or to improve its performance. * Design, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequences of design. * Design or implement complex algorithms requiring adherence to strict timing, system resource, or interface constraints; Perform quality control on team products. * Implement recommendations for improving documentation and software development process standards. * Oversee one or more software development teams and ensure the work is completed in accordance with the constraints of the software development process being used on any particular project. * Confer with system engineers and hardware engineers to derive software requirements and to obtain information on project limitations and capabilities, performance requirements and interfaces. * Coordinate software system installation and monitor equipment functioning to ensure operational specifications are met. Required Skills: * Terraform as Infrastructure as Code (IoC) * Lambda Functions utilizing Python 3.11 * AWS RDS Aurora PostgreSQL Database * Poetry for python dependency mgmt * Docker containers * Pgadmin to facilitate the database mgmt * SE3 with presigned URLs * SQS * SNS * MakeFile * API Gateway with Lambda Authorizer * Step Functions DynamoDB as a user cache * Cloudwatch Education and Experience: * Bachelor's degree in Computer Science or related discipline from an accredited college or university. * Fourteen years experience (18 years with no qualifying degree). * A bachelor's degree may be substituted for four (4) years of additional SWE experience on projects with similar software processes. Pay & Benefit Highlights Compensation * Above market fixed salary or hourly pay. * Up to $10,000 bonus for each referral. * Additional bonuses for exceptional performance, assisting with business development and company growth. Health * 100% paid premiums for health insurance. Choose from over 80 gold-level medical plans from Aetna, CareFirst, Kaiser and UnitedHealthcare. Choose from PPO, EPO, POS, HMO, and HSA-compatible. * HSA and FSA options. * 100% paid premiums for dental insurance. * 100% paid premiums for vision insurance. Income Protection * 100% paid premiums for short-term disability. * 100% paid premiums for long-term disability. * 100% paid premiums for accidental death & dismemberment. * 100% paid premiums for life insurance with a $200,000 max benefit. Retirement * 8% company contribution to 401k with immediate vesting. * 401k pre-tax and Roth options. Leave * Up to 20 days of flexible paid time off (PTO). * 11 days of paid floating holidays. Work-Life Balance * Flexible work schedules including flex time and compressed work period. * Remote work including partial or fully remote (contract and project-dependent). View our detailed Equal Opportunity Employer Base-2 Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Annual Salary Range: $220,000 to $240,000 with Full Benefits to include Health/Dental/Vision and PTO. Description: Base-2 Solutions is looking for a top-notch software engineer to join our team. We are driven to solve challenging customer problems by leveraging innovative technical solutions. Our software engineers develop the next-generation technologies that drive decision making and impact our national defense. We're looking for engineers who bring fresh ideas from all areas, including information retrieval, distributed computing, large-scale system design, networking and data storage, security, artificial intelligence, natural language processing, and UI design. We need our engineers to be versatile, display leadership qualities and be enthusiastic to take on new problems as we continue to push technology forward. Responsibilities: Develops , maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements. Works individually or as part of a team. Reviews and tests software components for adherence to the design requirements and documents test results. Resolves software problem reports. Utilizes software development and software design methodologies appropriate to the development environment. Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components. Experience with some or all of the following: * Programming languages such as Java, C#, C++, JavaScript, Python, Scala, Ruby and Go * IDEs such as Eclipse, NetBeans, IntelliJ IDEA, PyCharm, Visual Studio and VS Code * Operating systems such as Windows, Unix, Linux and macOS * Team collaboration and issue tracking tools such as Atlassian Suite (JIRA, Confluence), GitHub and ServiceNow * Software frameworks such as Spring, Angular and Bootstrap * Databases such as Oracle, MySQL and MongoDB * Build tools such as Maven and Jenkins * Containers and container orchestration tools such as Docker and Kubernetes * Configuration management tools such as Git, SVN and CVS * Cloud providers such as AWS, Azure and Google Cloud Requirements: * Twenty (20) years experience as a software engineer is required. * Bachelor's degree in Computer Science or related discipline from an accredited college or university is required. * Four (4) years of additional software engineering experience may be substituted for a bachelor's degree. * TS/SCI with Full Scope Polygraph clearance is required. Pay & Benefit Highlights Compensation * Above market fixed salary or hourly pay. * Up to $10,000 bonus for each referral. * Additional bonuses for exceptional performance, assisting with business development and company growth. Health * 100% paid premiums for health insurance. Choose from over 80 gold-level medical plans from Aetna, CareFirst, Kaiser and UnitedHealthcare. Choose from PPO, EPO, POS, HMO, and HSA-compatible. * HSA and FSA options. * 100% paid premiums for dental insurance. * 100% paid premiums for vision insurance. Income Protection * 100% paid premiums for short-term disability. * 100% paid premiums for long-term disability. * 100% paid premiums for accidental death & dismemberment. * 100% paid premiums for life insurance with a $200,000 max benefit. Retirement * 8% company contribution to 401k with immediate vesting. * 401k pre-tax and Roth options. Leave * Up to 20 days of flexible paid time off (PTO). * 11 days of paid floating holidays. Work-Life Balance * Flexible work schedules including flex time and compressed work period. * Remote work including partial or fully remote (contract and project-dependent). View our detailed Equal Opportunity Employer Base-2 Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Base-2 Solutions is looking for a Data Scientist Level 3. Education Required * Bachelor's degree plus 3 years of relevant experience. * Associate's degree plus 5 years of relevant experience may be considered for individuals with in-depth experience that is clearly related to the position. * Degree must be in Mathematics, Applied Mathematics, Statistics, Applied Statistics, Machine Learning, Data Science, Operations Research, or Computer Science. * A degree in a related field (e.g., Computer Information Systems, Engineering), a degree in the physical/hard sciences (e.g., physics, chemistry, biology, astronomy), or other science disciplines with a substantial computational component (i.e., behavioral, social, and life) may be considered if it includes a concentration of coursework (typically 5 or more courses) in advanced mathematics (typically 300 level or higher; such as linear algebra, probability and statistics, machine learning) and/or computer science (e.g., algorthms, programming, data structures, data mining, artificial intelligence). College-level Algebra or other math courses intended to meet a basic college level requirement, or upper level math courses designated as elementary or basic do not count. Training/Certifications Required * A broader range of degrees will be considered if accompanied by a Certificate in Data Science from an accredited college/university. Description of Relevant Experience * Relevant experience must be in designing/implementing machine learning, data science, advanced analytical algorthms, programming (skill in at least one high-level language (e.g., Python) and skill in at least one mid-level language (e.g. C)), data mining, advanced statistical analysis (e.g. statistical foundations of machine learning, statistical approaches to missing data, time series), advanced mathematical foundations (e.g. numerical methods, graph theory), artificial intelligence, workflow and reproductibility, data management and curation, data modeling and assessment (e.g. model selection, evaluation, and sensitivity analysis), experience as a data scientist working to support a single or multiple domain areas, and/or software engineering. * Experience in more than three areas is strongly preferred. * Preferred math background. Pay & Benefit Highlights Compensation * Above market fixed salary or hourly pay. * Up to $10,000 bonus for each referral. * Additional bonuses for exceptional performance, assisting with business development and company growth. Health * 100% paid premiums for health insurance. Choose from over 80 gold-level medical plans from Aetna, CareFirst, Kaiser and UnitedHealthcare. Choose from PPO, EPO, POS, HMO, and HSA-compatible. * HSA and FSA options. * 100% paid premiums for dental insurance. * 100% paid premiums for vision insurance. Income Protection * 100% paid premiums for short-term disability. * 100% paid premiums for long-term disability. * 100% paid premiums for accidental death & dismemberment. * 100% paid premiums for life insurance with a $200,000 max benefit. Retirement * 8% company contribution to 401k with immediate vesting. * 401k pre-tax and Roth options. Leave * Up to 20 days of flexible paid time off (PTO). * 11 days of paid floating holidays. Work-Life Balance * Flexible work schedules including flex time and compressed work period. * Remote work including partial or fully remote (contract and project-dependent). View our detailed Equal Opportunity Employer Base-2 Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

This position is responsible for working with DoD, IC, and Federal customers to develop, deploy and configure data centric Zero Trust solutions. These solutions should adhere to Zero Trust best-practices, reference frameworks, regulations, and guidelines. Position requires interfacing with customer stakeholders and engineering teams. Qualifications <ul> <li>Experience with data centric security solutions and software engineering.</li> <li>Experience with programming in Python and Java.</li> <li>Experience with designing, building and maintaining ETL processes. </li> <li>Experience with programming in Golang or Ruby is desired.</li> <li>Demonstrated implementation of microservices, container and cloud-native application development, API development and automation.</li> <li>Hands-on experience with Docker, Kubernetes or OpenShift and related container platform ecosystems.</li> <li>Strong understanding and experience of release engineering and continuous delivery process.</li> <li>Strong understanding of static code analysis, unit testing and test-driven development, security testing and automated test frameworks.</li> <li>Experience using Jenkins, SonarQube, GIT, Maven, Gradle.</li> <li>Strong understanding of principles of DevOps and Continuous Delivery.</li> <li>Experience with application servers such as JBoss, Tomcat, WebLogic, or WebSphere.</li> <li>Strong Agile experience working in Scrum and/or Kanban models.</li> <li>Experience with database technologies such as Oracle, MySQL, Postgres, or MongoDB.</li> <li>Experience working in a DevOps-focused environment previously with advanced understanding of DevOps principles as a big plus.</li> <li>Proven track record of delivering high quality and consistent systems and environments for development teams.</li> <li>Expertise in AWS architecture. </li> <li>Strong experience with cloud environments such as Azure, Oracle Cloud, and Google Cloud.</li> <li>Linux experience.</li> <li>Performs highly specialized and technical tasks associated with the most current and cutting-edge technologies.</li> <li>Coordinates with contract management and customer to ensure the problems have been properly defined and the solutions satisfy customer needs.</li> <li>Performs complex system development, design, modeling, analysis, integration, and sustainment of systems for new or existing computer systems within an Enterprise.</li> <li>Developing and implementing testing strategies and documenting results.</li> <li>Communicates with customers and teammates clearly and concisely.</li> <li>Maintains current knowledge of relevant technology as assigned and may have supervisory responsibilities.</li> <li>Developing documentation on new or existing systems.</li> <li>Strong written, verbal and presentation skills.</li> </ul>Desired Skills<ul> <li>Zero Trust Fundamentals <ul> <li>Solid understanding of Zero Trust pillars, best practices, frameworks, and implementation strategies.</li> </ul> </li> <li>Knowledge of federal policies, regulations, and standards <ul> <li>CISA Cloud Security Technical Reference Architecture</li> <li>CISA Zero Trust Maturity Model</li> <li>DoD Zero Trust Reference Architecture</li> <li>M-22-09 Federal Zero Trust Strategy</li> <li>National Security Systems Zero Trust Reference Architecture</li> <li>NIST CSWP Planning for a Zero Trust Architecture - A Starting Guide for Administrators</li> <li>NIST SP 800-207 Zero Trust Architecture</li> </ul> </li> </ul>Education and Experience<ul> <li>HS/GED 12 years</li> <li>Associates Degree 10 years</li> <li>Bachelor's Degree 8 years</li> <li>Master's Degree 6 years</li> <li>PhD 4 years</li> </ul>Required Certifications<ul> <li>None</li> </ul>Desired Certifications<ul> <li>DoD 8570 IAT Level II certification</li> <li>Oracle Certified Associate, Java SE 8 Programmer Certification</li> <li>Oracle Certified Professional: Java SE 11 Developer</li> <li>Forrester's Zero Trust Strategy</li> <li>Red Hat Certified Cloud-Native Developer</li> <li>Google Certified Professional Cloud Developer</li> <li>AWS Certified Solutions Architect - Associate</li> <li>AWS Certified Developer - Associate</li> <li>Microsoft Certified Azure Developer - Associate</li> <li>Certified Cloud Security Professional</li> </ul>

Annual Salary Range: $180,000 to $220,000 with Full Benefits to include Health/Dental/Vision and PTO. Description: Base-2 Solutions is looking for a top-notch software engineer to join our team. We are driven to solve challenging customer problems by leveraging innovative technical solutions. Our software engineers develop the next-generation technologies that drive decision making and impact our national defense. We're looking for engineers who bring fresh ideas from all areas, including information retrieval, distributed computing, large-scale system design, networking and data storage, security, artificial intelligence, natural language processing, and UI design. We need our engineers to be versatile, display leadership qualities and be enthusiastic to take on new problems as we continue to push technology forward. Responsibilities: Develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements. Works individually or as part of a team. Reviews and tests software components for adherence to the design requirements and documents test results. Resolves software problem reports. Utilizes software development and software design methodologies appropriate to the development environment. Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components. Experience with some or all of the following: <ul> <li>Programming languages such as Java, C#, C , JavaScript, Python, Scala, Ruby and Go</li> <li>IDEs such as Eclipse, NetBeans, IntelliJ IDEA, PyCharm, Visual Studio and VS Code</li> <li>Operating systems such as Windows, Unix, Linux and macOS</li> <li>Team collaboration and issue tracking tools such as Atlassian Suite (JIRA, Confluence), GitHub and ServiceNow</li> <li>Software frameworks such as Spring, Angular and Bootstrap</li> <li>Databases such as Oracle, MySQL and MongoDB</li> <li>Build tools such as Maven and Jenkins</li> <li>Containers and container orchestration tools such as Docker and Kubernetes</li> <li>Configuration management tools such as Git, SVN and CVS</li> <li>Cloud providers such as AWS, Azure and Google Cloud</li> </ul>Requirements:<ul> <li>Fourteen (14) years experience as a software engineer is required.</li> <li>Bachelor's degree in Computer Science or related discipline from an accredited college or university is required.</li> <li>Four (4) years of additional software engineering experience may be substituted for a bachelor's degree.</li> <li>TS/SCI with Full Scope Polygraph clearance is required.</li> </ul>

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