Staff Applied AI Engineer

Doximity is transforming the healthcare industry. Join our mission to help every physician be more productive and provide better care for their patients. As medicine's largest network in the United States, there's an elevated level of responsibility in everything we do. We don't take that responsibility lightly and are committed to building diverse teams with an inclusive culture that can make a direct impact on the healthcare system. One of Doximity's core values is stretching ourselves. Even if you don't check off all the boxes below we encourage you to apply. Doximity is full of exceptional people who bring their own unique experiences to work everyday and make us all better for it! Visa sponsorship is not available for this role. About Us • Here are some of the ways we bring value to doctors • Here is an introduction to our tech stack • We use UNIX command-line interface and standard programming tools (vim/emacs, git, etc.) and have over 350 private repositories in Github containing our applications, forks of gems, our own internal gems, and open-source projects • We have worked as a distributed team for a long time; we're currently about 65% distributed • Find out more information on the Doximity engineering blog • Our company core values • Our recruiting process • Our product development cycle • Our on-boarding & mentorship process Here's How You Will Make an Impact • Leverage Doximity's extensive datasets to optimize, tune and evaluate AI products for medical professionals on our platform. • Play a key role in creating both product and client-facing analytics. • Inform data team strategy by working with the product leaders and managers. Actively participate in execution and some planning of organizational data team strategy. • Collaborate with a team of product managers, analysts, and other developers to define and lead data projects from data ingestion to analysis to recommendations. About you • At least 5 years of professional experience as a Data Scientist or other related roles working with complex, high-volume datasets. • Advanced knowledge of statistical concepts — particularly exploratory data analysis, experimental design, and probability theory. • Deep understanding of modern machine learning techniques, including deep learning architectures, reinforcement learning, and large language model (LLM) fine-tuning methods such as Supervised Fine-Tuning (SFT), Direct Preference Optimization (DPO), and Reinforcement Fine-Tuning (RFT). • Proven ability to design, train, and evaluate large-scale models using frameworks such as PyTorch or TensorFlow. • Advanced SQL proficiency — skilled at writing and optimizing complex queries across multiple tables and data relationships. • Advanced Python skills, including understanding of object-oriented programming, production-grade code design, and modern data science libraries. • Hands-on experience with distributed data processing tools and concepts for scalable analysis and model training. • Excellent data visualization and storytelling abilities, with the capacity to translate technical insights into clear, compelling narratives for stakeholders. • Curious, fast learner with a demonstrated passion for data, continuous learning, and staying current with advances in machine learning research. Compensation The US total compensation range for this full-time position is $170,000 - $248,000 (inclusive of salary + equity). Our ranges are determined by role and level. The range displayed on each job posting reflects the approximate total target compensation for the position across the US. Within the range, individual pay is determined by factors including relevant skills, experience, and education/training. Please note that the compensation listed does not inclu