Principal Machine Learning Engineer

  • Gap Inc.
  • San Francisco, California
  • 04/02/2026
Full time Information Technology Telecommunications SQL Python Data Scientist

Job Description

Join to apply for the Principal Machine Learning Engineer role at Gap Inc.

About Gap Inc. Our brands bridge the gaps we see in the world. Old Navy democratizes style to ensure everyone has access to quality fashion at every price point. Athleta unleashes the potential of every woman, regardless of body size, age or ethnicity. Banana Republic believes in sustainable luxury for all. And Gap inspires the world to bring individuality to modern, responsibly made essentials.

About The Role

In this role, you are responsible for the design, development, programming methods, processes and systems to consolidate and analyze unstructured, diverse "big data" sources to generate actionable insights and solutions for businesses across the company. You will support the team in building data and analytics capabilities to enhance the analytical platform, partnering with Global Technology Solutions, Product, and business teams to advance retail forecasting across the organization.

What You'll Do
  • Design, develop, and deploy enterprise planning, or decision-support systems, forecasting in retail, consumer, marketplace, or supply-chain domains that support multi-horizon planning and scenario evaluation.
  • Expertise in Time series forecasting: hierarchical/aggregated forecasting, reconciliation concepts, seasonality, and multi-horizon evaluation.
  • Develop software programs, algorithms and automated processes that cleanse, integrate and evaluate large data sets from multiple disparate sources.
  • Manipulate large amounts of data across a diverse set of subject areas, collaborating with other data scientists and data engineers to prepare data pipelines for various modeling protocols.
  • Build, validate, and maintain AI (Machine Learning (ML) /Deep learning) models, diagnose and optimize performance and develop statistical models and analysis for ad hoc business focused analysis.
  • Create measurement strategies for accuracy, bias, stability, and business outcomes; run back tests and controlled experiments where feasible.
  • Advanced proficiency in Python, Spark, and common scripting languages for E2E pipeline. Advanced proficiency using SQL for efficient manipulation of large datasets in on prem and cloud distributed computing environments, such as Azure, GCP environments.
  • Communicate meaningful, actionable insights from large data and metadata sources to stakeholders.
  • Collaborate with others in key initiatives and their implementation.
  • Responsible for planning, budget and end results; set policies and strategic direction for area/team.
Who You Are
  • Experience with ML and classical predictive techniques such as logistic regression, decision trees, non linear regressions, ANN/CNN, boosted trees, SVM, Tensorflow, visualization packages, and a track record for creating business impact with these methods.
  • Experience in econometric demand modeling and prescriptive analytics, including elasticity, promo lift, Bayesian methods, and optimization-based decision modeling.
  • Ability to work both at a detailed level as well as to summarize findings and extrapolate knowledge to make strong recommendations for change.
  • Ability to collaborate with cross functional teams and influence product and analytics roadmap, with a demonstrated proficiency in relationship building.
  • Evaluate sometimes complex situations using multiple sources of information (internal and external sources).
  • Able to filter, prioritize, analyze, and validate potentially complex, in depth understanding of concepts and procedures within own subject area and understanding of procedures and concepts in other areas.
Benefits at Gap Inc.
  • Merchandise discount for our brands: 50% off regular priced merchandise at Old Navy, Gap, Banana Republic and Athleta, and 30% off at Outlet for all employees.
  • One of the most competitive Paid Time Off plans in the industry.
  • Employees can take up to five "on the clock" hours each month to volunteer at a charity of their choice.
  • Extensive 401(k) plan with company matching for contributions up to four percent of an employee's base pay.
  • Employee stock purchase plan.
  • Medical, dental, vision and life insurance.
  • See more of the benefits we offer.
  • For eligible employees.

Gap Inc. is an equal opportunity employer and is committed to providing a workplace free from harassment and discrimination. We are committed to recruiting, hiring, training and promoting qualified people of all backgrounds, and make all employment decisions without regard to any protected status. We have received numerous awards for our long held commitment to equality and will continue to foster a diverse and inclusive environment of belonging. In 2022, we were recognized by Forbes as one of the World's Best Employers and one of the Best Employers for Diversity.

Salary Range: $209,700 - $272,600 USD

Employee pay will vary based on factors such as qualifications, experience, skill level, competencies and work location. We will meet minimum wage or minimum of the pay range (whichever is higher) based on city, county and state requirements.

Seniority Level

Mid Senior level

Employment Type

Full time

Job Function

Engineering and Information Technology

Industries

Retail