Senior Staff, Machine Learning Engineer

Poshmark

Machine Learning Engineer responsible for building scalable applications using ML for Poshmark's big data platform. Collaborate across teams to deliver impactful data products and algorithms.

Posted 6/3/2026full-timeRedwood City • California • 🇺🇸 United StatesSeniorWebsite

Tech Stack

Tools & technologies

Distributed SystemsKerasPyTorchTensorflow

About the role

Key responsibilities & impact

Explore large datasets, research and develop algorithms/models to solve interesting business problems.
Design and code highly scalable, machine learning applications processing large volumes of data.
Collaborate with multiple teams - data science, business, engineering and help deliver Machine learning based Data products across the company.
Develop best practices and tools to enable robust delivery of features
Design and improve architecture in order to ensure horizontal scalability at all layers

Requirements

What you’ll need

Strong background in Machine Learning with deep understanding of algorithms and modeling techniques
6+ years of overall software development experience with at least 4+ years of industry experience applying Machine Learning to concrete problems
Great coding skills and strong software development experience with Big Data technologies & Machine Learning frameworks like SparkML, TensorFlow, PyTorch, Keras
Understanding of distributed systems, and large scale engineering challenges is plus.

Benefits

Comp & perks

Health insurance
Retirement plans
Paid time off
Flexible work arrangements
Professional development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Machine Learningalgorithmsmodeling techniquesBig Data technologiesSparkMLTensorFlowPyTorchKerasdistributed systemsscalability

Soft Skills

collaborationproblem-solvingcommunication