Software Engineer III, Machine Learning Engineer

Position Summary... As a company, Walmart primarily generates revenue through advertising, and we're working towards building a massive business to fund our mission. The Display Ads ML team builds services that enable advertisers to efficiently capture and predict user engagement while minimizing their costs. The team leverages machine learning models to incorporate advertisers’ goals in auction ranking, allowing them to maximize installs, key conversions, or return on ad spend. As the primary owners of the engagement prediction and bid recommendation systems, the team is responsible for a central part of the ads delivery system that generates bid recommendations considering advertiser objectives and user engagement scores. Given the centrality of this system, the team also regularly conducts highly rigorous and controlled experiments to measure the impact of improvements to these systems. Some of the project highlights include maximizing conversions campaign optimization, which uses real-time data to meet advertisers’ key objectives. The Software Engineer III, Machine Learning Engineer will work closely with technical leaders to build new advertiser optimization products that significantly increase the efficiency and ROI for the advertisers. What you'll do... You will be responsible for your quality and technical approach within the team; partner with other team members in direction setting, planning, and overseeing engineering designs and executions; establish and contribute to the group’s culture and processes. You will collaborate with cross-functional engineering, product, and marketing teams to ensure that our customers’ voices are represented in your work. You will help design, conduct, and analyze experiments to quantify the impact of the systems that you build. We are seeking an engineer to join a team building state-of-the-art bidding optimization and user prediction systems. As a member of this team, you will help us uplevel the capabilities of Walmart Display Ads platform through innovative optimization products that enhance advertiser value. About Team: Our team works closely with our US stores and eCommerce business to better serve customers by empowering team members, stores, and merchants with technological innovation. From groceries and entertainment to sporting goods and crafts, Walmart U.S. offers an extensive selection that our customers value, whether they shop online at Walmart.com, through one of our mobile apps, or in-store. Focus areas include customers, stores and employees, in-store service, merchant tools, merchant data science, and search and personalization. What you'll do: Execute a roadmap for engagement and bid recommendation modeling, balancing innovative modeling approaches with business objectives. Build Walmart-scale optimizations to improve advertiser outcomes using cutting-edge techniques in the industry. Support the Model development lifecycle from ideation to deployment, ensuring high standards of ML performance and robustness. Collaborate Cross-Functionally: Partner with PMs, data scientists, and other engineering teams to align on engagement strategies, data requirements, and model KPIs. Innovate in ML Architecture: Implement and optimize model architectures tailored to engagement prediction, leveraging deep learning and advanced ML techniques. Think out-of-the-box! What you'll bring: 2+ years of contributing high-quality code to production systems that operate at scale. Participate in the design, development, and implementation of complex machine learning solutions/algorithms that drive business results leveraging Python, Node.js, LLM, NLP Models, Chat GPT or similar platforms, scikit-learn, TensorFlow/PyTorch, Cassandra, BQ, Redis. Solve complex problems with multilayered data sets, multi-batch inferencing. Upholding ML engineering best practices - enforcing high standards for quality, reliability, and security in deployed machine learning solutions. Stay up to date with the latest AI/ML technologies and trends - acting as a thought leader for ML Engineering within the organization and in the broader technical community. Experience designing optimization algorithms in an ad serving platform and/or other marketplaces is preferred. At Walmart, we offer competitive pay as well as performance-based bonus 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. Minimum Qualifications... Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications. Bachelor's degree in computer science, computer engineering, computer information systems, software engineering, or related area and 2 years’ experience in software engineering or related area. 4 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. Customer Service, We value candidates with a background in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly. The ideal candidate would have knowledge of accessibility best practices and join us as we continue to create accessible products and services following Walmart’s accessibility standards and guidelines for supporting an inclusive culture. Masters: Computer Science. Primary Location... 680 West California Avenue, Sunnyvale, CA 94086-4834, United States of America

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