IT Data Scientist

Costco IT is responsible for the technical future of Costco Wholesale, the third largest retailer in the world with wholesale operations in fourteen countries. Despite our size and explosive international expansion, we continue to provide a family, employee centric atmosphere in which our employees thrive and succeed.This is an environment unlike anything in the high-tech world and the secret of Costco’s success is its culture. The value Costco puts on its employees is well documented in articles from a variety of publishers including Bloomberg and Forbes. Our employees and our members come FIRST. Costco is well known for its generosity and community service and has won many awards for its philanthropy. The company joins with its employees to take an active role in volunteering by sponsoring many opportunities to help others. Come join the Costco Wholesale IT family. Costco IT is a dynamic, fast-paced environment, working through exciting transformation efforts. We are building the next generation retail environment where you will be surrounded by dedicated and highly professional employees.Data Scientists are responsible for driving insights and informing decision making to enhance the business’s understanding of individual population segments, propensities, outcomes, and decision points. Data Scientists have a robust understanding of key concepts such as big data, advanced analytical techniques, data storytelling, and sophisticated modeling techniques. They combine data, computational science, and technology with consumer-oriented business knowledge, to drive high-value insights into the organization.Data Scientists are responsible for driving insights and informing decision making to enhance the business’s understanding of individual population segments, propensities, outcomes, and decision points. Data Scientists have a robust understanding of key concepts such as big data, advanced analytical techniques, data storytelling, and sophisticated modeling techniques. They combine data, computational science, and technology with consumer-oriented business knowledge, to drive high-value insights into the organization.As a Senior Applied Data Scientist you will be leading critical decisions through solutions that drive top line for the company. You’ll use your Machine Learning / Deep Learning hands on expertise to build solutions at scale that solve business problems such as Inventory Optimization, Demand Forecasting and Pricing optimization. Your expertise in building, deploying and managing models in production is an essential part of this job. It's a fast paced, data driven and impactful role that leverages your problem solving ability and creative thinking to solve unique, complex problems in retail at scale.At Costco, we are on a mission to leverage data, machine learning, and deep learning solutions to drive revenue growth, reduce cost, and deliver superior member experience. This role must have the proven experience to drive business results. You have the passion to communicate business value through data story telling, curiosity to learn, and experiment.We are looking for an experienced self-starter, customer focused senior applied scientist who wants to work in a fast moving and highly collaborative environment and willing to be the player as well as coach for the data science community at Costco.Job Duties/Essential FunctionsBuilds Machine learning, Deep Learning and other AI approaches to solve business problems.Designs and builds AI/ ML/DL models to enable revenue growth, improve efficiencies, and to enhance member experience.Frames a problem and comes up with a hypothesis.Assesses the effectiveness and accuracy of new data sources and data gathering techniques.Validates data and model accuracy on an ongoing basis to ensure continued high accuracy and outcomeCoordinates with operational and business teams to implement models and monitor outcomes.Identifies new data that could enhance the quality and accuracy of models to improve predictions.Communicates results effectively with storytelling and visualization.Conducts A/B testings and suggests optionsConducts back testing to know the plan vs actual results to improve the DS Model accuracy.Working experience with building AI solutions on the Cloud platformProvides feedback to enhance the testing framework and AI/MLOps.Extends beyond core data science work to perform data wrangling and data preparation as needed.Regular and reliable workplace attendance at your assigned location.Experience, Skills, Education & Licenses/CertificationsRequired:8+ years experience in building and implementing Machine Learning, Deep Learning models in production at scale5+ years experience working in Retail/CPG/eCommerce industry.Proficiency in SQL, PySpark, PythonProficiency in Core GCP Services: Compute Engine, Cloud Storage, BigQuery, Cloud SQL, VPC.Proficiency in ML/AI platform: Vertex AI (training, prediction, pipelines), AutoML, TensorFlow.Experience with at least one data visualization tool, preference: PowerBI. LookerStrong working knowledge of Cloud platforms (GCP, Azure)Hands-on experience with MLOps practices, including CI/CD for ML pipelines.Familiarity with MLflow for experiment tracking and model management.Recommended:Bachelor's/Master's degree, or the equivalent, in Computer Science, Data Science, and Statistics/Mathematics or related field.Knowledge of Agile software development.Exposure to the retail industry.Excellent verbal and written communication skills.Proficient in Google Workspace applications, including Sheets, Docs, Slides, and Gmail.Successful internal candidates will have spent one year or more on their current team.California applicants, please click here to review the Costco Applicant Privacy Notice.Pay Ranges: Level 1 - $115,000 - $160,000Level 2 - $145,000 - $192,000, Bonus and Restricted Stock Unit (RSU) eligibleLevel 3 - $188,000 - $240,000, Bonus and Restricted Stock Unit (RSU) eligibleLevel 4 - $236,000 - $295,000, Bonus and Restricted Stock Unit (RSU) eligibleWe offer a comprehensive package of benefits including paid time off, health benefits - medical/dental/vision/hearing aid/pharmacy/behavioral health/employee assistance, health care reimbursement account, dependent care assistance plan, short-term disability and long-term disability insurance, AD&D insurance, life insurance, 401(k), stock purchase plan to eligible employees.Costco is committed to a diverse and inclusive workplace. Costco is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or any other legally protected status. If you need assistance and/or a reasonable accommodation due to a disability during the application or the recruiting process, please send a request to View email address on click.appcast.io hired, you will be required to provide proof of authorization to work in the United States. In some cases, applicants and employees for selected positions will not be sponsored for work authorization, including, but not limited to H1-B visas.