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Suppose there exists a new airline named Jetco that flies domestically across North America. Jetco recently had a study commissioned that tested the boarding time of every airline, and it came out that Jetco had the fastest average boarding times of any airline.

What factors could have biased this result, and what would you look into?

What could potentially bias the average boarding time in favor of an airline that only flies domestically?

What could potentially bias the average boarding time in favor of an airline that only flies domestically?

Boarding Times Bias

A new airline came out as the fastest average boarding times compared to other airlines.  What factors could have biased this result and what would you look into?

Statistics

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?

Product Sense & Metrics

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

A/B Testing

<h3>Job Description</h3><div>Job Description<div>SENIOR MACHINE LEARNING ENGINEER Freeform is deploying software-defined, autonomous metal 3D printing factories around the world, bringing the scalability of software to physical production. Our proprietary technology stack leverages advanced sensing, real-time controls, and data-driven learning to produce digitally-verified, flawless parts at unprecedented speed and cost. Our mission is to make the transformative power of 3D printing available to all industries at scale and unlock the future of innovation. As a Senior Machine Learning Engineer at Freeform, you'll need extensive experience in advanced pattern recognition, predictive modeling techniques, and deep learning algorithms, and should have experience with machine learning as it relates to physics or the physical world. You will play a key role in designing, developing, and integrating critical data science infrastructure and developing custom machine learning algorithms from scratch. Ultimately your solutions with enable us to scale the first production-scale, high-quality, and fully-automated metal 3D printing factory architecture. As a crucial member of the engineering team you will be responsible for driving the pace of innovation, maximizing development speed, and maintaining a standard of excellence within the entire engineering team.3D printing experience is not required to be successful here - rather we look for smart, motivated, collaborative engineers who love solving hard problems and creating amazing technology! Responsibilities:<ul><li>Design and develop data models used for model predictive control in an advanced production-scale metal 3D printing system</li><li>Integrate data models and physics-based models into a unified simulation framework</li><li>Develop a deep learning framework for modeling the complex physics associated with laser melting printing technology</li><li>Develop unsupervised learning algorithms to correlate data with printed part quality</li><li>Develop methods to correlate process data with geometric features</li><li>Work closely with simulations engineers to create data models to be used to predict the thermo-mechanical response of printed parts</li><li>Develop learning modules for machine health monitoring</li><li>Work with software engineers to deploy data science algorithms in production software</li><li>Guide software engineers to develop the big data infrastructure required to collect and process large amounts of production printing data</li><li>Develop data models used for the end-to-end automation of an advanced metal 3D printing platform</li></ul>Basic Qualifications:<ul><li>Bachelor's degree in computer science, applied mathematics, machine learning, data science, or similar technical discipline</li><li>5+ years of experience in advanced machine learning</li><li>Proficient with Python, C/C++ or similar object oriented language</li><li>Proficient in advanced pattern recognition, predictive modeling and deep learning techniques</li><li>Experience with machine learning or data science as it relates to physics or the physical world</li></ul>Nice to Have:<ul><li>Master's or PhD in computer science, applied mathematics, machine learning, data science highly preferred</li><li>Experience with computational geometry</li><li>Proficient in data mining and statistical analysis</li><li>Experience with both supervised and unsupervised learning techniques</li><li>Experience with image processing</li><li>Proficient with NoSQL databases, such as MongoDB or Cassandra</li><li>Experience using query languages such as SQL or Hive</li><li>Knowledge of MATLAB</li><li>Creative thinker able to apply first-principles reasoning to solve complex problems</li><li>Excellent verbal and written communication skills</li></ul>Location:<ul><li>We are located in Hawthorne, CA in a 35,000 square foot, state-of-the-art facility featuring large open spaces for team collaboration, R&D, and production, as well as easy access to the 405, 105, and 110 freeways. Our facility is in the heart of Los Angeles' vibrant emerging tech ecosystem alongside many other high growth startups and enterprises.</li></ul>What We Offer:<ul><li>We have an inclusive and diverse culture that values collaboration, learning, and making deliberate data-driven decisions.</li><li>We offer a unique opportunity to be an early and integral member of a rapidly growing company that is scaling a world-changing technology.</li><li>Benefits <ul><li>Significant stock option packages</li><li>100% employer-paid Medical, Dental, and Vision insurance (premium PPO and HMO options)</li><li>Life insurance</li><li>Traditional and Roth 401(k)</li><li>Relocation assistance provided</li><li>Paid vacation, sick leave, and company holidays</li><li>Generous Paid Parental Leave and extended transition back to work for the birthing parent</li><li>Free daily catered lunch and dinner, and fully stocked kitchenette</li><li>Casual dress, flexible work hours, and regular catered team building events</li></ul></li><li>Compensation <ul><li>As a growing company, the salary range is intentionally wide as we determine the most appropriate package for each individual taking into consideration years of experience, educational background, and unique skills and abilities as demonstrated throughout the interview process. Our intent is to offer a salary that is commensurate for the company's current stage of development and allows the employee to grow and develop within a role. </li><li>In addition to the significant stock option package, the estimated salary range for this role is $140,000-$250,000, inclusive of all levels/seniority within this discipline.</li></ul></li><li>Freeform is an Equal Opportunity Employer that values diversity; employment with Freeform is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.</li></ul></div></div>

<h3>Job Description</h3><div>Job Description<div>SOFTWARE ENGINEER (EDGE DATA & TELEMETRY)Freeform is deploying software-defined, autonomous metal 3D printing factories around the world, bringing the scalability of software to physical production. Our proprietary technology stack leverages advanced sensing, real-time controls, and data-driven learning to produce digitally verified, flawless parts at unprecedented speed and cost. Our mission is to make the transformative power of 3D printing available to all industries at scale and unlock the future of innovation.In this role, you will be responsible for architecting and implementing factory edge services, backend data pipeline infrastructure and advanced telemetry capabilities of our metal 3D printing systems. You will work with petabyte-scale data feeds, enabling Freeform engineers to rapidly access critical data across the factory ecosystem. You will work with our machine learning team to provide data pipelines that feed the printing industry's first GPU-based ML platform. Ultimately, your code will enable the first production scale, high quality, and fully automated metal 3D printing factory.3D printing experience is not required to be successful here - rather we look for smart, motivated, collaborative engineers who love solving hard problems and creating amazing technology!Responsibilities:<ul><li>Design and implement a horizontally scalable platform that ingests millions of hardware sensor data points per second.</li><li>Deliver high-quality data services that enable the machine learning team to access real-time and historical print data.</li><li>Develop durable, efficient database solutions for real-time queries and large-scale analytics workloads.</li><li>Create and operate data pipelines to collect, transform, and query petabyte-scale sensor and telemetry data.</li><li>Write, test, and deploy reliable, maintainable software that improves automation and data quality across the factory ecosystem.</li><li>Perform system calibrations, capture quality metrics, and monitor the long-term health and performance of printing systems.</li></ul>Basic Qualifications:<ul><li>3+ years of professional experience in software development.</li><li>Proficiency writing, deploying, and maintaining performance oriented backend services (preferably C++, Rust, Go, or Java).</li><li>Experience developing robust data pipeline software.</li></ul>Nice to Have:<ul><li>Degree in computer science, engineering, mathematics, or related field.</li><li>Experience with Arrow, Parquet, Iceberg, Spark, Kafka.</li><li>Experience with time series databases, big data warehousing solutions and cloud computing.</li><li>Experience with containerized applications and deployment via Kubernetes.</li><li>Experience deploying to and working with physical hardware.</li><li>Experience working with high-speed high-volume data processing pipelines.</li><li>Familiarity with 3D data and graphics.</li><li>Creative thinker able to apply first principles reasoning to solve complex problems.</li><li>Excellent verbal and written communication skills </li></ul>Location:<ul><li>We are located in Hawthorne, CA in a 35,000 square foot, state-of-the-art facility featuring large open spaces for team collaboration, R&D, and production, as well as easy access to the 405, 105, and 110 freeways. Our facility is in the heart of Los Angeles' vibrant emerging tech ecosystem alongside many other high growth startups and enterprises.</li></ul>What We Offer:<ul><li>We have an inclusive and diverse culture that values collaboration, learning, and making deliberate data-driven decisions.</li><li>We offer a unique opportunity to be an early and integral member of a rapidly growing company that is scaling a world-changing technology.</li><li>Benefits <ul><li>Significant stock option packages</li><li>100% employer-paid Medical, Dental, and Vision insurance (premium PPO and HMO options)</li><li>Life insurance</li><li>Traditional and Roth 401(k)</li><li>Relocation assistance provided</li><li>Paid vacation, sick leave, and company holidays</li><li>Generous Paid Parental Leave and extended transition back to work for the birthing parent</li><li>Free daily catered lunch and dinner, and fully stocked kitchenette</li><li>Casual dress, flexible work hours, and regular catered team building events</li></ul></li><li>Compensation <ul><li>As a growing company, the salary range is intentionally wide as we determine the most appropriate package for each individual taking into consideration years of experience, educational background, and unique skills and abilities as demonstrated throughout the interview process. Our intent is to offer a salary that is commensurate for the company's current stage of development and allows the employee to grow and develop within a role. </li><li>In addition to the significant stock option package, the estimated salary range for this role is $115,000-$150,000, inclusive of all levels/seniority within this discipline.</li></ul></li><li>Freeform is an Equal Opportunity Employer that values diversity; employment with Freeform is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status. </li></ul></div></div>

<h3>Job Description</h3><div>Job Description<div>SENIOR SOFTWARE ENGINEER (EDGE DATA & TELEMETRY)Freeform is deploying software-defined, autonomous metal 3D printing factories around the world, bringing the scalability of software to physical production. Our proprietary technology stack leverages advanced sensing, real-time controls, and data-driven learning to produce digitally verified, flawless parts at unprecedented speed and cost. Our mission is to make the transformative power of 3D printing available to all industries at scale and unlock the future of innovation.In this role, you will be responsible for architecting and implementing factory edge services, backend data pipeline infrastructure and advanced telemetry capabilities of our metal 3D printing systems. You will work with petabyte-scale data feeds, enabling Freeform engineers to rapidly access critical data across the factory ecosystem. You will work with our machine learning team to provide data pipelines that feed the printing industry's first GPU-based ML platform. Ultimately, your code will enable the first production scale, high quality, and fully automated metal 3D printing factory.3D printing experience is not required to be successful here - rather we look for smart, motivated, collaborative engineers who love solving hard problems and creating amazing technology!Responsibilities:<ul><li>Design and implement a horizontally scalable platform that ingests millions of hardware sensor data points per second.</li><li>Deliver high-quality data services that enable the machine learning team to access real-time and historical print data.</li><li>Develop durable, efficient database solutions for real-time queries and large-scale analytics workloads.</li><li>Create and operate data pipelines to collect, transform, and query petabyte-scale sensor and telemetry data.</li><li>Write, test, and deploy reliable, maintainable software that improves automation and data quality across the factory ecosystem.</li><li>Perform system calibrations, capture quality metrics, and monitor the long-term health and performance of printing systems.</li></ul>Basic Qualifications:<ul><li>5+ years of professional experience in software development.</li><li>Proficiency writing, deploying, and maintaining performance oriented backend services (preferably C++, Rust, Go, or Java).</li><li>Experience developing robust data pipeline software.</li></ul>Nice to Have:<ul><li>Degree in computer science, engineering, mathematics, or related field.</li><li>Experience with Arrow, Parquet, Iceberg, Spark, Kafka.</li><li>Experience with time series databases, big data warehousing solutions and cloud computing.</li><li>Experience with containerized applications and deployment via Kubernetes.</li><li>Experience deploying to and working with physical hardware.</li><li>Experience working with high-speed high-volume data processing pipelines.</li><li>Familiarity with 3D data and graphics.</li><li>Creative thinker able to apply first principles reasoning to solve complex problems.</li><li>Excellent verbal and written communication skills </li></ul>Location:<ul><li>We are located in Hawthorne, CA in a 35,000 square foot, state-of-the-art facility featuring large open spaces for team collaboration, R&D, and production, as well as easy access to the 405, 105, and 110 freeways. Our facility is in the heart of Los Angeles' vibrant emerging tech ecosystem alongside many other high growth startups and enterprises.</li></ul>What We Offer:<ul><li>We have an inclusive and diverse culture that values collaboration, learning, and making deliberate data-driven decisions.</li><li>We offer a unique opportunity to be an early and integral member of a rapidly growing company that is scaling a world-changing technology.</li><li>Benefits <ul><li>Significant stock option packages</li><li>100% employer-paid Medical, Dental, and Vision insurance (premium PPO and HMO options)</li><li>Life insurance</li><li>Traditional and Roth 401(k)</li><li>Relocation assistance provided</li><li>Paid vacation, sick leave, and company holidays</li><li>Generous Paid Parental Leave and extended transition back to work for the birthing parent</li><li>Free daily catered lunch and dinner, and fully stocked kitchenette</li><li>Casual dress, flexible work hours, and regular catered team building events</li></ul></li><li>Compensation <ul><li>As a growing company, the salary range is intentionally wide as we determine the most appropriate package for each individual taking into consideration years of experience, educational background, and unique skills and abilities as demonstrated throughout the interview process. Our intent is to offer a salary that is commensurate for the company's current stage of development and allows the employee to grow and develop within a role. </li><li>In addition to the significant stock option package, the estimated salary range for this role is $150,000-$250,000, inclusive of all levels/seniority within this discipline.</li></ul></li><li>Freeform is an Equal Opportunity Employer that values diversity; employment with Freeform is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status. </li></ul></div></div>

<h3>Job Description</h3><div>Job Description<div>SENIOR SOFTWARE ENGINEER Freeform is deploying software-defined, autonomous metal 3D printing factories around the world, bringing the scalability of software to physical production. Our proprietary technology stack leverages advanced sensing, real-time controls, and data-driven learning to produce digitally verified, flawless parts at unprecedented speed and cost. Our mission is to make the transformative power of 3D printing available to all industries at scale and unlock the future of innovation.   As a Senior Software Engineer at Freeform, you will be responsible for architecting and implementing critical software systems for our autonomous 3D printing factories. You'll have an opportunity to touch many different aspects of our software ecosystem from hardware control, to high-rate telemetry and big data storage systems, to high-performance compute and machine learning pipelines. We don't develop software in a vacuum, we develop it alongside a multi-disciplinary team with specific, real-world purposes, so collaboration and systems-level thinking are essential to success. If working in an environment where you can rapidly deploy code to solve problems on the cutting edge of AI-enabled manufacturing technology sounds exciting, we'd love to hear from you! 3D printing experience is not required to be successful here - rather we look for smart, motivated, collaborative engineers who love solving hard problems and creating amazing technology!Responsibilities:<ul><li>Architect and develop software for an advanced, production-scale metal 3D printing system</li><li>Work with mechanical engineers, electrical engineers, and physicists to integrate control algorithms into production software</li><li>Improve and scale out petabyte-scale, high-rate telemetry, storage, and retrieval systems</li><li>Use computer science and engineering fundamentals to solve notoriously challenging algorithmic and optimization problems</li><li>Develop high-performance compute solutions using GPU parallel processing</li><li>Move fast, innovate, don't over-engineer things, be a good teammate, be flexible and open to new ideas, and push the bounds of what's possible </li></ul>Basic Qualifications:<ul><li>5+ years of professional experience in software development</li><li>Proficiency in a systems level programming language such as C++, Go, or Rust</li><li>Experience with high-performance systems software such as high-volume telemetry systems, hardware control systems, real-time embedded Linux, or similar </li></ul>Nice to Have:<ul><li>Bachelor's or advanced degree in computer science or computer engineering</li><li>10+ years of professional software development experience</li><li>Experience building out backend infrastructure, high-performance storage solutions, streaming processing systems, scientific analysis pipelines and workflows</li><li>Experience writing software for industrial automation systems, robotics, or related hardware</li><li>Experience with operations systems, computer architecture, or similar computer systems internals</li><li>Experience with computer graphics or similar geometry-intensive problems </li><li>Experience operating as a technical lead, driving architectural decisions and mentoring junior engineers </li></ul>Location:<ul><li>We are located in Hawthorne, CA in a 35,000 square foot, state-of-the-art facility featuring large open spaces for team collaboration, R&D, and production, as well as easy access to the 405, 105, and 110 freeways. Our facility is in the heart of Los Angeles' vibrant emerging tech ecosystem alongside many other high growth startups and enterprises.</li></ul>What We Offer:<ul><li>We have an inclusive and diverse culture that values collaboration, learning, and making deliberate data-driven decisions.</li><li>We offer a unique opportunity to be an early and integral member of a rapidly growing company that is scaling a world-changing technology.</li><li>Benefits <ul><li>Significant stock option packages</li><li>100% employer-paid Medical, Dental, and Vision insurance (premium PPO and HMO options)</li><li>Life insurance</li><li>Traditional and Roth 401(k)</li><li>Relocation assistance provided</li><li>Paid vacation, sick leave, and company holidays</li><li>Generous Paid Parental Leave and extended transition back to work for the birthing parent</li><li>Free daily catered lunch and dinner, and fully stocked kitchenette</li><li>Casual dress, flexible work hours, and regular catered team building events</li></ul></li><li>Compensation <ul><li>As a growing company, the salary range is intentionally wide as we determine the most appropriate package for each individual taking into consideration years of experience, educational background, and unique skills and abilities as demonstrated throughout the interview process. Our intent is to offer a salary that is commensurate for the company's current stage of development and allows the employee to grow and develop within a role. </li><li>In addition to the significant stock option package, the estimated salary range for this role is $150,000-$250,000, inclusive of all levels/seniority within this discipline.</li></ul></li><li>Freeform is an Equal Opportunity Employer that values diversity; employment with Freeform is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status. </li></ul></div></div>

<h3>Job Description</h3><div>Job Description<div>SENIOR SOFTWARE ENGINEER, FACTORY SOFTWARE C++ (SKYFALL)Freeform is deploying software-defined, autonomous metal 3D printing factories around the world, bringing the scalability of software to physical production. Our proprietary technology stack leverages advanced sensing, real-time controls, and data-driven learning to produce digitally verified, flawless parts at unprecedented speed and cost. Our mission is to make the transformative power of 3D printing available to all industries at scale and unlock the future of innovation.   As a Senior Software Engineer at Freeform, you will be responsible for architecting and implementing critical software systems for our autonomous 3D printing factories. You'll have an opportunity to touch many different aspects of our software ecosystem from hardware control, to high-rate telemetry and big data storage systems, to high-performance compute and machine learning pipelines. We don't develop software in a vacuum, we develop it alongside a multi-disciplinary team with specific, real-world purposes, so collaboration and systems-level thinking are essential to success. If working in an environment where you can rapidly deploy code to solve problems on the cutting edge of AI-enabled manufacturing technology sounds exciting, we'd love to hear from you! 3D printing experience is not required to be successful here - rather we look for smart, motivated, collaborative engineers who love solving hard problems and creating amazing technology!Responsibilities:<ul><li>Architect and develop software for an advanced, production-scale metal 3D printing system</li><li>Work with mechanical engineers, electrical engineers, and physicists to integrate control algorithms into production software</li><li>Improve and scale out petabyte-scale, high-rate telemetry, storage, and retrieval systems</li><li>Use computer science and engineering fundamentals to solve notoriously challenging algorithmic and optimization problems</li><li>Develop high-performance compute solutions using GPU parallel processing</li><li>Move fast, innovate, don't over-engineer things, be a good teammate, be flexible and open to new ideas, and push the bounds of what's possible </li></ul>Basic Qualifications:<ul><li>5+ years of professional experience in software development</li><li>Proficiency in a systems level programming language such as C++, Go, or Rust</li><li>Experience with high-performance systems software such as high-volume telemetry systems, hardware control systems, real-time embedded Linux, or similar </li></ul>Nice to Have:<ul><li>Bachelor's or advanced degree in computer science or computer engineering</li><li>10+ years of professional software development experience</li><li>Experience building out backend infrastructure, high-performance storage solutions, streaming processing systems, scientific analysis pipelines and workflows</li><li>Experience writing software for industrial automation systems, robotics, or related hardware</li><li>Experience with operations systems, computer architecture, or similar computer systems internals</li><li>Experience with computer graphics or similar geometry-intensive problems </li><li>Experience operating as a technical lead, driving architectural decisions and mentoring junior engineers </li></ul>Location:<ul><li>We are located in Hawthorne, CA in a 35,000 square foot, state-of-the-art facility featuring large open spaces for team collaboration, R&D, and production, as well as easy access to the 405, 105, and 110 freeways. Our facility is in the heart of Los Angeles' vibrant emerging tech ecosystem alongside many other high growth startups and enterprises.</li></ul>What We Offer:<ul><li>We have an inclusive and diverse culture that values collaboration, learning, and making deliberate data-driven decisions.</li><li>We offer a unique opportunity to be an early and integral member of a rapidly growing company that is scaling a world-changing technology.</li><li>Benefits <ul><li>Significant stock option packages</li><li>100% employer-paid Medical, Dental, and Vision insurance (premium PPO and HMO options)</li><li>Life insurance</li><li>Traditional and Roth 401(k)</li><li>Relocation assistance provided</li><li>Paid vacation, sick leave, and company holidays</li><li>Generous Paid Parental Leave and extended transition back to work for the birthing parent</li><li>Free daily catered lunch and dinner, and fully stocked kitchenette</li><li>Casual dress, flexible work hours, and regular catered team building events</li></ul></li><li>Compensation <ul><li>As a growing company, the salary range is intentionally wide as we determine the most appropriate package for each individual taking into consideration years of experience, educational background, and unique skills and abilities as demonstrated throughout the interview process. Our intent is to offer a salary that is commensurate for the company's current stage of development and allows the employee to grow and develop within a role. </li><li>In addition to the significant stock option package, the estimated salary range for this role is $150,000-$250,000, inclusive of all levels/seniority within this discipline.</li></ul></li><li>Freeform is an Equal Opportunity Employer that values diversity; employment with Freeform is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status. </li></ul></div></div>

<h3>Job Description</h3><div>Job Description<div>SOFTWARE ENGINEER (NEW GRAD SUMMER 2026)Freeform is deploying software-defined, autonomous metal 3D printing factories around the world, bringing the scalability of software to physical production. Our proprietary technology stack leverages advanced sensing, real-time controls, and data-driven learning to produce digitally verified, flawless parts at unprecedented speed and cost. Our mission is to make the transformative power of 3D printing available to all industries at scale and unlock the future of innovation.  As a Software Engineer at Freeform, you will play a key role in developing and deploying the software systems that power our autonomous metal 3D printing factories. You'll work with a talented engineering team from some of the world's most innovative companies across a range of projects including controls, high-speed data acquisition, high-performance computing (GPU's and FPGA's), and geometry processing pipelines that enable precise and fully automated manufacturing at scale. Your work will directly impact the performance, reliability, and scalability of our factory systems. The ideal candidate thrives in ambiguity, takes initiative on complex technical problems, and works collaboratively across disciplines to deliver robust, high-performance software solutions. This is an opportunity to build foundational systems for a new category of manufacturing technology - where your code doesn't just run, it drives physical innovation. 3D printing experience is not required to be successful here - rather we look for smart, motivated, collaborative engineers who love solving hard problems and creating amazing technology! Responsibilities:<ul><li>Architect and develop software for an advanced, production-scale metal 3D printing factory </li><li>Work with process, control, and mechanical engineers to integrate control algorithms into production software </li><li>Improve and scale out high-rate data acquisition, storage, and retrieval systems </li><li>Implement processes for converting customer part geometries into machine print instructions </li></ul>Basic Qualifications:<ul><li>Bachelor's degree in computer science or computer engineering from an ABET accredited university or college </li><li>Internship or engineering club experience such as FSAE, Baja SAE, solar car, rocket club, robotics club, hackathons, or similar programming with C/C++ </li></ul>Nice to Have:<ul><li>Advanced degree (Master's, PhD) in computer science or computer engineering </li><li>Experience interfacing with microcontrollers, FPGA, or GPU computing hardware </li><li>Experience developing embedded or real-time software systems </li><li>Experience writing software for industrial automation systems, rockets, spacecrafts, robotics, or related hardware that operates with the physical world </li><li>Experience working in a Linux or RTOS environment </li><li>Comfortable working in fast-paced, ambiguous environments and iterating quickly (comfortable building the plane as we fly it) </li><li>Strong communicator who collaborates across disciplines and proactively seeks support when needed </li><li>Willing to take ownership of tasks big and small, with a hands-on, problem-solving mindset </li><li>Strong work ethic with a refuse-to-fail mindset </li><li>Demonstrated indicators of excellence and/or achieving success against adversity (i.e. top academic performance, leadership in engineering clubs, first-generation college student, or other examples of resilience and achievement) </li></ul>Location:<ul><li>We are located in Hawthorne, CA in a 35,000 square foot, state-of-the-art facility featuring large open spaces for team collaboration, R&D, and production, as well as easy access to the 405, 105, and 110 freeways. Our facility is in the heart of Los Angeles' vibrant emerging tech ecosystem alongside many other high growth startups and enterprises. </li></ul>What We Offer:<ul><li>We have an inclusive and diverse culture that values collaboration, learning, and making deliberate data-driven decisions. </li><li>We offer a unique opportunity to be an early and integral member of a rapidly growing company that is scaling world-changing technology. </li><li>Benefits <ul><li>Significant stock option packages </li><li>100% employer-paid Medical, Dental, and Vision insurance (premium PPO and HMO options) </li><li>Life insurance </li><li>Traditional and Roth 401(k) </li><li>Relocation assistance provided </li><li>Paid vacation, sick leave, and company holidays </li><li>Generous Paid Parental Leave and extended transition back to work for the birthing parent </li><li>Free daily catered lunch and dinner, and fully stocked kitchenette </li><li>Casual dress, flexible work hours, and regular catered team building events </li></ul></li><li>Compensation <ul><li>Our intent is to offer a salary that is commensurate for the company's current stage of development and allows the employee to grow and develop within a role. </li><li>In addition to the significant stock option package, the estimated salary range for this role is $110,000-$120,000, dependent on the candidate's education and experience. </li></ul></li><li>Freeform is an Equal Opportunity Employer that values diversity; employment with Freeform is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status. </li></ul>What To Expect:<ul><li>Thank you for your interest in our new graduate opportunity! We truly appreciate your application and enthusiasm to join our team. Please note that our interview process will include 2-3 rounds of interviews.</li></ul></div></div>

Question	Topic	Difficulty	Ask Chance
Boarding Times Bias	Statistics	Medium	Very High
Decreasing Comments	Product Sense & Metrics	Easy	Very High
Experiment Validity	A/B Testing	Medium	Very High

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