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Cesiumastro Interview Questions

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Let’s say that your company is running a standard control and variant AB test on a feature to increase conversion rates on the landing page. The PM checks the results and finds a .04 p-value.

How would you assess the validity of the result?

Experiment Validity

You are testing hundreds of hypotheses with many t-tests. What considerations should be made?

What is a key disadvantage of the F-test when compared to multiple t-tests?

What is a key disadvantage of the F-test when compared to multiple t-tests?

Hundreds of Hypotheses

You are testing hundreds of hypotheses with many t-tests. What considerations should be made?

Let’s say you work for a social media company that has just done a launch in a new city. Looking at weekly metrics, you see a slow decrease in the average number of comments per user from January to March in this city.

The company has been consistently growing new users in the city from January to March.

What are some reasons why the average number of comments per user would be decreasing and what metrics would you look into?

What metric could be used to measure if active users are still engaging on the platform despite an overall decrease in the average number of comments per user?

What metric could be used to measure if active users are still engaging on the platform despite an overall decrease in the average number of comments per user?

Decreasing Comments

How would you investigate a decline in the average number of comments per user?

Cesiumastro Salaries by Position

Please Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State. At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team. We are looking to add Senior Software Engineers to our Comms-on-the-Move, In-Flight Connectivity, and Airborne Communications Systems Programs. Applicants should be experienced software engineers, with emphasis on graphical user-interface design and web-based user interfaces and full-stack consequences of interfaces. JOB DUTIES AND RESPONSIBILITIES Design, own, and implement specific features for communication system graphical user interfaces. Understand code performance trade-offs, and advise on the merits of implementation details. Understand high-assurance software development. Understand web-based services on embedded systems. Understand middleware applications over embedded operating systems such as Linux or VxWorks/RTEMS. Able to apply high assurance frameworks such as unit testing, static code analysis, code reviews, and requirements-based engineering. JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS Bachelor of Science (BS) or Master of Science (MS) degree in Computer Science, Electrical Engineering, Computer Engineering, Mathematics, or equivalent technical degree. Minimum of 6 years of industry experience in a relevant role. Understanding of processor architectures, embedded operating systems, and embedded, real-time, multi-tasking software engineering. Excellent written and verbal communications skills. High standards for code development. Understanding of web-based graphical interface technologies. PREFERRED EXPERIENCE Some experience in Guidance, Navigation, and Control algorithms for antenna steering depiction and visualization. Experience with libraries such as VueJS, Quasar, Plotly. Experience with Rust. Experience with Qt for embedded systems. $135,000 - $160,000 a year CesiumAstro considers several factors when extending an offer, including but not limited to, the role and associated responsibilities, a candidate's work experience, education/training, and key skills. Full-time employment offers include company stock options and a generous benefits package featuring health, dental, vision, HSA, FSA, life and retirement plans. CesiumAstro, Inc. is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex including sexual orientation and gender identity, national origin, disability, protected Veteran Status, or any other characteristic protected by applicable federal, state, or local law.

Please Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State. At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team. We are looking to add Senior Software Engineers to our Comms-on-the-Move, In-Flight Connectivity, and Airborne Communications Systems Programs. Applicants should be experienced software engineers, with emphasis on graphical user-interface design and web-based user interfaces and full-stack consequences of interfaces. JOB DUTIES AND RESPONSIBILITIES <ul><ul><li>Design, own, and implement specific features for communication system graphical user interfaces. </li><li>Understand code performance trade-offs, and advise on the merits of implementation details.</li><li>Understand high-assurance software development.</li><li>Understand web-based services on embedded systems.</li><li>Understand middleware applications over embedded operating systems such as Linux or VxWorks/RTEMS.</li><li>Able to apply high assurance frameworks such as unit testing, static code analysis, code reviews, and requirements-based engineering.</li></ul></ul> JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS <ul><ul><li>Bachelor of Science (BS) or Master of Science (MS) degree in Computer Science, Electrical Engineering, Computer Engineering, Mathematics, or equivalent technical degree. </li><li>Minimum of 6 years of industry experience in a relevant role. </li><li>Understanding of processor architectures, embedded operating systems, and embedded, real-time, multi-tasking software engineering.</li><li>Excellent written and verbal communications skills.</li><li>High standards for code development.</li><li>Understanding of web-based graphical interface technologies.</li></ul></ul> PREFERRED EXPERIENCE <ul><ul><li>Some experience in Guidance, Navigation, and Control algorithms for antenna steering depiction and visualization.</li><li>Experience with libraries such as VueJS, Quasar, Plotly.</li><li>Experience with Rust. </li><li>Experience with Qt for embedded systems.</li></ul></ul> $135,000 - $160,000 a year CesiumAstro considers several factors when extending an offer, including but not limited to, the role and associated responsibilities, a candidate's work experience, education/training, and key skills. Full-time employment offers include company stock options and a generous benefits package featuring health, dental, vision, HSA, FSA, life and retirement plans. CesiumAstro, Inc. is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex including sexual orientation and gender identity, national origin, disability, protected Veteran Status, or any other characteristic protected by applicable federal, state, or local law. Please note: CesiumAstro does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to CesiumAstro team members not through our approved vendor list or Talent Acquisition will be considered property of CesiumAstro, and we will not be obligated to pay any referral fees.

Please Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State. At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. In this position, you will be responsible for low-level and high-level software in Cesium's products through all phases of the development process. Key projects will include Linux-based single-board computers and high-reliability microcontroller systems. Cesium's goal is to create an out-of-the-box hardware and software experience which enhances our customers' ability to rapidly integrate our products into their systems. As a Cesium software team member, you will be responsible for software designs from concept through production, including product roadmaps, block diagrams, detailed design and coding, analysis, test, qualification, and in-orbit support. The ideal candidate will have development experience at nearly every level of the software stack, including microcontrollers, low-level drivers, board support packages (BSP), end-use applications, and user interfaces. Additionally, the ideal candidate will have experience in software testing and high-reliability qualification, as well as software engineering and software project management practices. The successful candidate will present engineering design review materials to our customers and executive team, as well as participate in proposal-writing efforts. As such, excellent written and verbal communication skills are required. JOB DUTIES AND RESPONSIBILITIES <ul> <ul><li>Designing and implementing software for embedded devices and systems, from requirements to production and commercial deployment. </li><li>Designing, developing, coding, testing, debugging, and documenting system software. </li><li>Reviewing code and system designs. </li><li>Analyzing code for efficiency, stability, and scalability. </li><li>Integrating and validating new product designs. </li><li>Supporting software quality assurance and optimizing I/O performance. </li><li>Providing post-production/in-orbit customer support. </li><li>Interfacing with hardware design and development engineers. </li><li>Assessing third-party and open-source software. </li></ul> </ul>JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS <ul> <ul><li>A Bachelor of Science (BS) or Master of Science (MS) degree in Computer Science, Electrical Engineering, or Computer Engineering. </li><li>6+ years of industry experience in software development. </li><li>Experience in hands-on development and troubleshooting of embedded hardware. API design for interfacing with FPGAs. </li><li>Experience with products for aerospace applications. </li><li>Programming experience in C or C++. </li><li>Experience in embedded systems design with preemptive, multitasking real-time operating systems (experience with real-time Linux is desirable). </li><li>Familiarity with software configuration management tools, defect tracking tools, and peer review. </li><li>Excellent knowledge of real-time system coding techniques, IP protocols, interfaces, and hardware subsystems. </li><li>Excellent understanding of multi-threaded applications and resource management. </li><li>Excellent written and verbal communication skills. </li></ul> </ul>PREFERRED EXPERIENCE <ul> <ul><li>Adequate knowledge of reading electronics schematics and component data sheets. </li><li>Experience with ARM processors and fully-featured microcontrollers. </li><li>Experience in the design and development of a Software Development Kit (SDK). </li></ul> </ul> CesiumAstro considers several factors when extending an offer, including but not limited to, the role and associated responsibilities, a candidate's work experience, education/training, and key skills. Full-time employment offers include company stock options and a generous benefits package featuring health, dental, vision, HSA, FSA, life and retirement plans. CesiumAstro, Inc. is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex including sexual orientation and gender identity, national origin, disability, protected Veteran Status, or any other characteristic protected by applicable federal, state, or local law. Please note: CesiumAstro does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to CesiumAstro team members not through our approved vendor list or Talent Acquisition will be considered property of CesiumAstro, and we will not be obligated to pay any referral fees.

Please Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State. At CesiumAstro , we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team. We are looking to add a Manufacturing Business Analyst to our team. If you enjoy working in a startup environment and are passionate about developing leading-edge manufacturing processes for high-reliability, high-volume satellites, we would like to hear from you. In this position, you will be responsible for the processes to drive NPI, manufacturing and supply chain of Cesiums diverse array of electronic assemblies for satellites and other aerospace platforms. Your work will have a direct impact on the success of the company. You will work closely with the engineering team, program management, and the supply chain to industrialize processes for space products for a growing market that combines the rigor of space with the scale of commercial electronics. JOB DUTIES AND RESPONSIBILITIES Serve as the primary process improvement resource across assigned transformation workstreams. Conduct stakeholder interviews and independent research to fully understand current process and identify gaps to fill. Conduct analyses (SQL queries, other methods) that identify issues and opportunities impacting our customers, including actionable recommendations Integrate with all levels of the business to understand current workflows and identify systematic gaps that quantifiably change outcomes. Integrate with all levels of the business to understand current workflows and identify systematic gaps. Create process documentation and process maps. Identify process breakdowns and offer improvement suggestions to drive efficiency and effectiveness. Train internal users, external technical teams, and leaders on dashboard, API, and tool usage; assist in troubleshooting. Ensure redesigned processes are seamless experience for all stakeholders by minimizing inefficiencies. Leverage technology to further improve processes where appropriate, including incorporating automation. Improve data capture for future Account Management use cases, identifying front-end requirements and collaborating with software development teams on table structure. JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS Bachelors degree from an accredited university with a minimum of 8 years of applicable experience. Experience with change management EIA-649, nonconformance documentation, root cause analysis, corrective action systems, and acceptance criteria. Experience with cost analysis, managing suppliers, and configuration management. Excellent written and verbal communication skills. PREFERRED EXPERIENCE Experience in aerospace or other high-reliability industries. Proficiency with PLM and ERP software. Proficiency in AS9100/ISO9001 quality management system requirements. Proficiency in lean manufacturing methodologies. Experience successfully tackling multiple high-priority tasks. Exceptional collaboration and partnership skills in a matrixed environment with cross-functional teams. Excellent oral and written communication skills, interpersonal and consultative skills, and facilitation skills. Analytical thinking and problem-solving. Being detail-oriented and capable of delivering a high level of accuracy. Knowledge of business structure. Stakeholder analysis. CesiumAstro considers several factors when extending an offer, including but not limited to, the role and associated responsibilities, a candidates work experience, education/training, and key skills. Full-time employment offers include company stock options and a generous benefits package featuring health, dental, vision, HSA, FSA, life and retirement plans. CesiumAstro, Inc. is an Equal Opportunity/Affirmative Action employer . All qualified applicants will receive consideration for employment without regard to race, color, religion, sex including sexual orientation and gender identity, national origin, disability, protected Veteran Status, or any other characteristic protected by applicable federal, state, or local law.

Please Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State. At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team. In this position, you will be responsible for low-level and high-level software in Cesium's products through all phases of the development process. Key projects will include Linux-based single-board computers and high-reliability microcontroller systems. Cesium's goal is to create an out-of-the-box hardware and software experience which enhances our customers' ability to rapidly integrate our products into their systems. As a Cesium software team member, you will be responsible for software designs from concept through production, including product roadmaps, block diagrams, detailed design and coding, analysis, test, qualification, and in-orbit support. The ideal candidate will have development experience at nearly every level of the software stack, including microcontrollers, low-level drivers, board support packages (BSP), end-use applications, and user interfaces. Additionally, the ideal candidate will have experience in software testing and high-reliability qualification, as well as software engineering and software project management practices. The successful candidate will present engineering design review materials to our customers and executive team, as well as participate in proposal-writing efforts. As such, excellent written and verbal communication skills are required. JOB DUTIES AND RESPONSIBILITIES <ul><ul><li>Designing and implementing software for embedded devices and systems, from requirements to production and commercial deployment.</li><li>Designing, developing, coding, testing, debugging, and documenting system software.</li><li>Reviewing code and system designs.</li><li>Analyzing code for efficiency, stability, and scalability.</li><li>Integrating and validating new product designs.</li><li>Supporting software quality assurance and optimizing I/O performance.</li><li>Providing post-production/in-orbit customer support.</li><li>Interfacing with hardware design and development engineers.</li><li>Assessing third-party and open-source software.</li></ul></ul> JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS <ul><ul><li>A Bachelor of Science (BS) or Master of Science (MS) degree in Computer Science, Electrical Engineering, or Computer Engineering.</li><li>6+ years of industry experience in software development.</li><li>Experience in hands-on development and troubleshooting of embedded hardware. API design for interfacing with FPGAs.</li><li>Experience with products for aerospace applications.</li><li>Programming experience in C or C++.</li><li>Experience in embedded systems design with preemptive, multitasking real-time operating systems (experience with real-time Linux is desirable).</li><li>Familiarity with software configuration management tools, defect tracking tools, and peer review.</li><li>Excellent knowledge of real-time system coding techniques, IP protocols, interfaces, and hardware subsystems.</li><li>Excellent understanding of multi-threaded applications and resource management.</li><li>Excellent written and verbal communication skills.</li></ul></ul> PREFERRED EXPERIENCE <ul><ul><li>Adequate knowledge of reading electronics schematics and component data sheets.</li><li>Experience with ARM processors and fully-featured microcontrollers.</li><li>Experience in the design and development of a Software Development Kit (SDK).</li></ul></ul> $135,000 - $160,000 a year CesiumAstro considers several factors when extending an offer, including but not limited to, the role and associated responsibilities, a candidate's work experience, education/training, and key skills. Full-time employment offers include company stock options and a generous benefits package featuring health, dental, vision, HSA, FSA, life and retirement plans. CesiumAstro, Inc. is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex including sexual orientation and gender identity, national origin, disability, protected Veteran Status, or any other characteristic protected by applicable federal, state, or local law. Please note: CesiumAstro does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to CesiumAstro team members not through our approved vendor list or Talent Acquisition will be considered property of CesiumAstro, and we will not be obligated to pay any referral fees.

Cesiumastro Interview Questions

Cesiumastro Interview Guides

Cesiumastro Interview Questions

Cesiumastro Salaries by Position

Cesiumastro Opening Jobs