Senior Applied Scientist, Modeling and Optimization

## Responsibilities - Develop and improve last-mile experience with algorithmic and analytical work. - Design, implement, and evaluate state-of-the-art solutions to large-scale optimization problems. - Work closely with software development engineers. - Play an integral role in network planning, modeling, and analysis to improve efficiency and cost effectiveness of global fulfillment operations. - Identify and evaluate opportunities to reduce variable costs by improving transportation network topology, inventory placement, transportation operations and scheduling, fulfillment center processes, and execution to operational plans. - Improve efficiency of capital investment by helping plan location and deployment of fixed assets. - Help create metrics to quantify improvements to fulfillment costs (e.g., transportation and labor costs) resulting from application of optimization models and tools. ## Requirements - 3+ years of building machine learning models or developing algorithms for business application experience. - PhD in engineering, technology, computer science, machine learning, robotics, operations research, statistics, mathematics or equivalent quantitative field, or Master's degree and 10+ years of industry or academic research experience. - Knowledge of programming languages such as C/C++, Python, Java or Perl. ## Nice to Have - Experience with modeling tools such as R, scikit-learn, Spark MLLib, MxNet, Tensorflow, numpy, scipy etc. - Experience in applied research. ## Benefits - Base salary range: $192,200.00 - $260,000.00 USD annually. - Sign-on payments and restricted stock units (RSUs). - Comprehensive benefits including health insurance, 401(k) matching, paid time off, and parental leave. - Equal opportunity employer with no discrimination based on protected veteran status, disability, or other legally protected status. - Los Angeles County applicants must adhere to fair chance ordinance regarding criminal history. - Inclusive culture with support for workplace accommodations and interview/onboarding assistance.