Walmart

Set up ETL jobs in Jenkins or Airflow to move large volume of distributed data from various sources to secondary data centers for business continuity and disaster recovery.. Use Advanced big data scheduling techniques (Jenkins, Airflow) for reliable and recurrent data processing.. Experience in creating and maintaining data processing workflows with tools including Airflow.. 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.

senior software engineer

Position Summary... What you'll do... The AdTech M&R data team is responsible for delivering reporting and measurement for Advertisers to analyze and optimize campaigns. We are a team of data developers and machine learning developers whose strengths are: (1) building scalable data pipelines (2) using machine learning techniques and data science (3) making sense of broadly defined problems through data analysis. 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: <ul><li>As a Senior Software Engineer - you will be responsible driving the team on your own for designing/implementing and maintaining machine learning pipelines and workflows. You will work very closely with the Data Science Team and other stakeholders to ensure that machine learning models are deployed, monitored, updated and maintained effectively.</li><li>Build/deploy machine learning models, pipelines and workflows in production environment</li><li>Ensure that machine learning infrastructures are scalable, reliable, and efficient while collaborating very closely with Data Science team to design/optimize/implement machine learning workflows.</li><li>Lead or participate in small to large sized projects by reviewing project requirements into technical solutions; gather requested information (for example, design documents, product requirements, wire frames); write and develop code; conduct unit testing; communicate status and issues to team members and stakeholders; collaborate with project team and cross functional teams; troubleshoot open issues and bug-fixes; and ensure on-time delivery and hand-offs.</li><li>Build data systems that ingest, model, and analyze massive flow of data from online and offline user activities, processing hundreds of millions of sales and impressions data to obtain insights and analytics related to advertising campaign performance.</li><li>Develop big data applications for precise audience targeting and cutting-edge measurement for campaign reporting, leveraging the wealth of data within the Walmart ecosystem.</li><li>Set up ETL jobs in Jenkins or Airflow to move large volume of distributed data from various sources to secondary data centers for business continuity and disaster recovery.</li><li>Troubleshoot business and production issues by gathering information (issue, impact, criticality, possible root cause), engage support teams to assist in resolution of issues, formulate an action plan, performing actions as designated in plan, interpret the results to determine further action, and complete online documentation.</li><li>Develop complex software features to streamline and scale batch jobs to support advertising propensity models.</li><li>Design, develop, and maintain software for the targeting and reporting data pipelines in Spark, Hadoop and Map-Reduce.</li><li>Develop software using object-oriented languages such as Scala and Java. Implement advertising measurement systems that leverage machine learning and statistical techniques.</li><li>Apply regression and classification machine learning methods in developing measurement products.</li><li>Use Advanced big data scheduling techniques (Jenkins, Airflow) for reliable and recurrent data processing.</li><li>Perform advanced data investigations using SQL and Spark or Hive.</li><li>Design and develop systems and methods for ensuring quality for large data pipelines and guide the product through all stages of user acceptance process.</li></ul> What you'll bring: <ul><li>Bachelor's degree in Computer Science, Engineer (any) or any related field and at least 4+ years of software development experience, machine learning engineering or related field</li><li>Experience programming in an object-oriented language (Java or Scala).</li><li>Experience using Hadoop and Map Reduce in batch jobs to process large scale data.</li><li>Experience in creating and maintaining data processing workflows with tools including Airflow.</li><li>Experience using Spark, Hive, or SQL to perform advanced data investigation.</li><li>Experience implementing statistical and machine learning methods for data classification and regression.</li><li>Experience working in AdTech with demonstrated knowledge of the AdTech business.</li><li>Experience developing techniques to ascertain correctness of data processing and transformation implementations using unit, integration and end-to-end pipeline testing.</li><li>Experience designing and developing software to perform ETL operations on large datasets. </li></ul> About Walmart Global Tech Imagine 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-$234,000.00 Additional compensation includes annual or quarterly performance incentives. Additional compensation for certain positions may also include: - Regional Pay Zone (RPZ) (based on location) - Stock equity incentives Minimum 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 computer science, computer engineering, computer information systems, software engineering, or related area and 3 years' experience in software engineering or related area.Option 2: 5 years' experience in software engineering or related area. Preferred Qualifications... Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications. Master's degree in Computer Science or related field and 2 years' experience in software engineering or related field Primary Location... 840 W CALIFORNIA AVE, SUNNYVALE, CA 94086-4828, United States of America

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