(USA) Principal, Data Scientist

About the role

Position Summary... What you'll do... Job Summary: Chance to work on financial data forecasting for complex retail problems/challenges. Utilize deep learning methods and architectures to build and deploy state-of-the-art forecasting systems. Will also be working on causal inference problems for scenario-based adjustment. About the Team: Our team collaborates closely with Finance teams to enhance financial planning and strategic decision-making through cutting-edge data-driven solutions. We specialize in a range of initiatives, including advanced time series forecasting, which provides actionable insights into trends and patterns, and leveraging Generative AI (GenAI) to produce concise, insightful summaries that empower decision-makers. By integrating these innovative approaches, we strive to drive efficiency, accuracy, and impactful outcomes in financial operations. What you'll do: Lead high-caliber team to build large-scale time series forecasting systems Integrate Global forecasting models (e.g., Temporal Fusion Transformers, Nbeats) to enhance forecasting precision and generate synthetic time series data for better model training. Develop data science systems and tools for retail ; e-commerce applications: Leverage LLMS to summarize and build large scale chat applications Train large scale neural networks and deploy them as a automated batch pipelines using airflow. Deploy large scale forecasting pipelines modeling thousands of time series using batch pipelines Establish cross-functional relationships to maintain win-win situation for the corporation Collaborate with various product stake holders and business owners to formulate and productionize a solution. What you'll bring: Masters degree or PHD in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or related field and 5 years experience in an analytics related field. Must have qualifications... Have deep understanding on neural networks, attention architecture and other DL and ML concepts. Familiar with statistical models, such as linear models, generalized linear models, experiment design, and testing. Have experience working with optimization problems. Proven records of solving business problems using deep learning and machine learning methods. Familiar with some of the DL packages such as Pytorch, Keras, Tensorflow Strong software development skills in languages such as Python, SQL, R, Scala, Java Have experience in involving in deployment and production process. Have experience working with cross-functional teams, such as engineering and product teams. Great to have... Experience with Big Data processing and feature engineering using Spark Experience with training machine learning models through Cloud Services including Google Cloud Platform and Microsoft Azure Hands on experience of designing and training large DL models on GPU farm Causal inference expertise and experiences Knowledge on LLM is a plus Behavior qualifications... Problem solver with can-do attitude, not afraid of facing new problems, technical challenges, delivery pressures Ability to clearly define problems, models and constraints from informal and flexible business requirements Tech leadership with teamwork spirit, quick adaptation to new environment Form collaborative working environment. About Walmart Global Tech: Imagine working in an environment where one line of code can make life easier for hundreds of millions of people. Thats what we do at Walmart Global Tech. Were a team of software engineers, data scientists, cybersecurity experts and service professionals within the worlds 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: 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 Statement: Walmart, Inc. is an Equal Opportunity Employer By Choice. We believe we are best equipped to help our

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