Poshmark is looking to harness the power of data to drive business impact, tackling complex challenges in personalization, trust & safety, marketing optimization, and product experience.
Requirements
- 7–10 years of experience building scalable data science solutions in a big data environment.
- Hands-on experience with key machine learning algorithms, including CNNs, Transformers, and Vision Transformers.
- Proficiency in Python, SQL, and Spark (Scala or PySpark), with experience in deep learning frameworks such as PyTorch or TensorFlow.
- Solid understanding of linear algebra, statistics, probability, calculus, and A/B testing concepts.
- Experience with personalization algorithms, recommendation systems, or user behavior modeling.
- Familiarity with Large Language Models (LLMs) and techniques such as Retrieval-Augmented Generation (RAG) or Parameter-Efficient Fine-Tuning (PEFT).
- Strong problem-solving skills and the ability to communicate complex technical ideas effectively to diverse audiences, including executives and engineers.
Responsibilities
- Lead end-to-end data science initiatives, from ideation to deployment, delivering measurable business impact through projects such as feed personalization, product recommendation systems, computer vision and GenAI.
- Collaborate cross-functionally with ML engineers, product managers, and business stakeholders, to design and deploy high-impact models.
- Develop scalable solutions for key areas of product, marketing, operations, and community functions.
- Own the entire ML development lifecycle: data exploration, model development, deployment, and performance optimization.
- Explore and experiment with emerging AI trends, technologies, and methodologies to keep Poshmark at the cutting edge.
- Develop comprehensive understanding of Poshmark's data platform and key datasets.
- Gained insights into challenges related to data scale and noise, implementing strategies to effectively leverage data in decision-making processes.
Other
- Competitive base salary and ISO equity packages tailored to your experience and impact
- Company-sponsored dental and vision insurance for you and your dependents
- Medical plans including HMO, PPO, and HDHP with employer contributions to HSA
- 401(k) plan with a 3% employer match, up to $1,000 annually
- Flexible vacation and sick leave / paid time off policy
