What you'll do atPosition Summary...What you'll do...The mission of the Advertising Technology organization is to advance Walmart e-Commerce by driving higher value for our customers and vendor partners. Walmart is investing in building a world class advertising platform and the Ads team is responsible for defining, innovating, and building performance advertising products that drive product discovery, sales and profits.The Data Scientist / Applied Machine Learning Scientist - Computational Advertising is a critical data science/applied machine learning role that uses cutting-edge machine learning, deep learning, big data mining and optimization techniques to solve the challenging problems from ads relevance, ranking to campaign optimization. You will have a chance to work with the world's best machine learning scientists, engineers and product managers to solve some of the most challenging problems from e-Commerce and advertising business.About Team: Our team creates reusable technologies to help with customer acquisition, onboarding, and empowering merchants, while ensuring a seamless experience for both of these stakeholders. We also optimize tariffs and assortment in accordance with Walmart's Everyday Low Cost philosophy. We not only create affordability, but we also deliver customized experiences for customers across all channels - in-store, mobile app, and websites.What you'll do:Build advanced feature extraction algorithms that feed into various advertising applications, including audience targeting, relevance and ranking, and performance optimization. Build, deploy and monitor machine learning and statistical models to predict or estimate key signals that are used to optimize advertising product performanceWork on ML Automation platforms to support end to end machine learning life cycle using (Mlflow/KubeFlow/MetaFlow)Build, maintain and monitor scalable data pipelines working with distributed computing frameworks (e.g., Hadoop/Spark) and job schedulers (Airflow/Azkaban) to support modeling and optimization productsWhat you'll bring:Experience with backend software development, system architecture, and object-oriented design.Experience with one of the following high-level programming languages in production code quality: Python or Java.Experience with big data distributed computing frameworks including Hadoop, MapReduce, and PySparkExperience with machine learning modeling and data analysis tools including Pandas, SQL, Numpy, Scikitlearn, TensorFlow, PyTorch.Experience developing and implementing machine learning models to solve real-world problems and fit algorithms to specific use cases.Experience with one of the following NoSQL databases: Hive or HBase.About Walmart Global TechImagine working in an environment where one line of code can make life easier for hundreds of millions of people. That's what we do at Walmart Global Tech. We're a team of software engineers, data scientists, cybersecurity expert's and service professionals within the world's leading retailer who make an epic impact and are at the forefront of the next retail disruption. People are why we innovate, and people power our innovations. We are people-led and tech-empowered. We train our team in the skillsets of the future and bring in experts like you to help us grow. We have roles for those chasing their first opportunity as well as those looking for the opportunity that will define their career. Here, you can kickstart a great career in tech, gain new skills and experience for virtually every industry, or leverage your expertise to innovate at scale, impact millions and reimagine the future of retail.Flexible, hybrid work:We use a hybrid way of working that is primarily in office coupled with virtual when not onsite. Our campuses serve as a hub to enhance collaboration, bring us together for purpose and deliver on business needs. This approach helps us make quicker decisions, remove location barriers across our global team and be more flexible in our personal lives.Benefits:Benefits: Beyond our great compensation package, you can receive incentive awards for your performance. Other great perks include 401(k) match, stock purchase plan, paid maternity and parental leave, PTO, multiple health plans, and much more.Equal Opportunity Employer:Walmart, Inc. is an Equal Opportunity Employer - By Choice. We believe we are best equipped to help our associates, customers and the communities we serve live better when we really know them. That means understanding, respecting and valuing diversity- unique styles, experiences, identities, ideas and opinions - while being inclusive of all people.The above information has been designed to indicate the general nature and level of work performed in the role. It is not designed to contain or be interpreted as a comprehensive inventory of all responsibilities and qualifications required of employees assigned to this job. The full Job Description can be made available as part of the hiring process.At Walmart, we offer competitive pay as well as performance-based incentive awards and other great benefits for a happier mind, body, and wallet. Health benefits include medical, vision and dental coverage. Financial benefits include 401(k), stock purchase and company-paid life insurance. Paid time off benefits include PTO (including sick leave), parental leave, family care leave, bereavement, jury duty, and voting. Other benefits include short-term and long-term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more.You will also receive PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes. The amount you receive depends on your job classification and length of employment. It will meet or exceed the requirements of paid sick leave laws, where applicable. For information about PTO, see https://one.walmart.com/notices .Live Better U is a Walmart-paid education benefit program for full-time and part-time associates in Walmart and Sam's Club facilities. Programs range from high school completion to bachelor's degrees, including English Language Learning and short-form certificates. Tuition, books, and fees are completely paid for by Walmart.Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to a specific plan or program terms. For information about benefits and eligibility, see One.Walmart at https://bit.ly/3iOOb1J .The annual salary range for this position is $117,000.00-$234,000.00Additional compensation includes annual or quarterly performance incentives.Additional compensation for certain positions may also include:- Regional Pay Zone (RPZ) (based on location)- Stock equity incentivesMinimum Qualifications...Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications. Option 1- Bachelor's degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, or related field and 3 years' experience in an analytics related field. Option 2- Master's degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, or related field and 1 years' experience in an analytics related field. Option 3 - 5 years' experience in an analytics or related field.As permitted by applicable law, provide evidence of full vaccination as defined by CDC guidelines OR secure approval of medical or religious accommodation for the vaccination mandate.Preferred Qualifications...Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications. Data science, machine learning, optimization models, Master's degree in Machine Learning, Computer Science, Information Technology, Operations Research, Statistics, Applied Mathematics, Econometrics, Successful completion of one or more assessments in Python, Spark, Scala, or R, Using open source frameworks (for example, scikit learn, tensorflow, torch)Primary Location...860 W CALIFORNIA AVENUE, SUNNYVALE, CA 94086-0000, United States of America About WalmartAt Walmart, we help people save money so they can live better. This mission serves as the foundation for every decision we make, from responsible sourcing to sustainability-and everything in between. As a Walmart associate, you will play an integral role in shaping the future of retail, tech, merchandising, finance and hundreds of other industries-all while affecting the lives of millions of customers all over the world. Here, your work makes an impact every day. What are you waiting for?Walmart, Inc. is an Equal Opportunity Employer- By Choice. We believe we are best equipped to help our associates, customers, and the communities we serve live better when we really know them. That means understanding, respecting, and valuing diversity- unique styles, experiences, identities, abilities, ideas and opinions- while being inclusive of all people."At Walmart, you have the support you need at any given moment no matter the circumstance." - Shelby, Project AnalystHello, Silicon ValleyYou don't have to choose between your career and your lifestyle in Silicon Valley. Here, you can have both.

Manager of MAC Embedded Software Development, Kuiper RF/Modem Development

Amazon, Sunnyvale, CA, US

DESCRIPTIONProject Kuiper is an initiative to launch a constellation of Low Earth Orbit satellites that will provide low-latency, high-speed broadband connectivity to unserved and underserved communities around the world. Come work at Amazon! Amazon is seeking a highly motivated leader familiar with development of embedded software for wireless broadband communication systems. We are developing, and will be operating satellite communication systems targeting both consumer and commercial customers. As Manager of MAC Embedded Software, you will: · Recruit, train, lead and manage a team of engineers who will define requirements for and implementing satellite and customer terminal on customer embedded software that enables layer-2 of our Kuiper communications protocol stack. · Build embedded systems that target high volume consumer and commercial products, you will need to understand embedded silicon processors such as ARM 5x, MIPS R5, Synopsys ARC, Tensilica, etc. · Manage and build a team of embedded software engineers that can code real time systems using either bare metal or RTOS. · Understand fundamental packet queuing and priority schedulers, as well as the use of DMA engines for memory to memory packet transfer. · Have solid understanding of Layer-2 Control plane and data plane optimization. · Be responsible for embedded software for the ground systems, including the gateway ground system and the consumer customer terminal as well as the layer-2 embedded software that runs in the satellites as part of the space segment. · Manage some PHY level software requirements including configuration of the modem, managing detection from asynchronous transmissions such as a Random Access Channel (RACH) operation and tasks such as fragmentation and reassembly. · Be responsible for Layer-2 implementation tasks required on the Satellite, Customer terminal and Gateway terminal such as: seamless system handover, Satellite, Gateway and Customer initial network entry (INE), Multiple user multiple access, UL and DL MAP creation and transport, Doppler prediction, Doppler correction, Ranging and synchronization, Packet QoS Scheduling and queuing, Link Adaptation with adaptive coding and Modulation, Phased array Beam coefficient management Layer-2 error handling and error recovery, Interference mitigation, RACH processing, PHY/Modem management and configuration, Beamformer/Phased array coefficient management, System Power management to name a few. Export Control Requirement:Due to applicable export control laws and regulations, candidates must be a U.S. citizen or national, U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum. We are open to hiring candidates to work out of one of the following locations:Sunnyvale, CA, USABASIC QUALIFICATIONS- Bachelor of Science or Master of Science degree in computer or electrical engineering discipline is required.- Minimum of 7 years of experience in embedded Layer-2 software development industry with at least 5 years in engineering management.- Experience contributing to and authoring software specifications, and software design documents- Experience supporting program technical reviews and software configuration management.- Experience in developing regression tests and validation plans.PREFERRED QUALIFICATIONS- Experience in communicating with users, other technical teams, and senior leadership to collect requirements, describe software product features, technical designs, and product strategy- Experience in recruiting, hiring, mentoring/coaching and managing teams of Software Engineers to improve their skills, and make them more effective, product software engineersAmazon is committed to a diverse and inclusive workplace. Amazon is an equal opportunity employer and does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status. For individuals with disabilities who would like to request an accommodation, please visit https://www.amazon.jobs/en/disability/us.Our compensation reflects the cost of labor across several US geographic markets. The base pay for this position ranges from $148,000/year in our lowest geographic market up to $287,700/year in our highest geographic market. Pay is based on a number of factors including market location and may vary depending on job-related knowledge, skills, and experience. Amazon is a total compensation company. Dependent on the position offered, equity, sign-on payments, and other forms of compensation may be provided as part of a total compensation package, in addition to a full range of medical, financial, and/or other benefits. For more information, please visit https://www.aboutamazon.com/workplace/employee-benefits. This position will remain posted until filled. Applicants should apply via our internal or external career site.