Poshmark

Poshmark

Sr. Engineer, Machine Learning

Redwood City, California, USA · Senior

Sponsorship not specifiedDetected 143 days ago
PythonJavaScalaFastAPIFlaskAlgorithmsSQLMongoDBRedisRedshiftDatabricksVector DatabasesDockerKubernetesJenkinsGrafanaDatadogKafkaRabbitMQMachine LearningDeep LearningTensorFlowPyTorchscikit-learn

About the role

  • ABOUT POSHMARK Poshmark is the leading fashion marketplace where style comes alive through discovery, self-expression, and human connection.
  • Poshmark empowers sellers to grow meaningful businesses, keeps fashion in circulation longer, and gives shoppers access to unique and trusted finds, from everyday pieces to one-of-a-kind vintage and luxury.
  • The Machine Learning team is a central player in the Poshmark organization.

Responsibilities

  • Manage the entire ML lifecycle from data collection to deployment and monitoring
  • Collaborate across teams such as DS, QA, Infra and other engineering teams to productionize ML models
  • Write and optimize code for production environments, ensuring the robustness and reliability of ML services at scale
  • Manage and support current solutions while evolving them to incorporate newer technologies
  • Buying and selling fashion feels simple, joyful, and personal, while every item tells its own story.

Requirements

  • Have knowledge of big data technologies - streaming architecture, data pipelines, etc.
  • Experience with Python, SQL, Java or Scala

Nice to have

  • Big data systems - Spark, EMR, S3, AirFlow
  • Production experience with LLMs and prompt engineering
  • Experience with Flask, FastAPI, RabbitMQ, Embeddings and Vector DBs
  • Pytorch, Tensorflow, Sklearn
  • Flask, Fastapi, Gunicorn, Quarkus
  • MLFlow, Sagemaker, Kibana, Airflow, Databricks, Grafana, Datadog
  • Docker, Kubernetes, Jenkins
  • Redis, Redshift, MongoDB, Spark, Kafka, RabbitMQ, Milvus

Skills

  • 4+ years of experience applying Machine Learning to concrete problems at large scale
  • Bachelors or Masters in Computer Science, Statistics, or related field
  • Strong CS fundamentals. Should be able to write algorithms with ease.

Benefits

  • Stay updated with the latest developments in data science and machine learning
  • Working experience with at least one ML model: LLMs, GNN, Deep Learning, Logistic Regression, Gradient Boosting trees, etc.
  • Our mission is to build a world-class machine learning platform to bring value out of data for us and for our customers.

This listing is sourced directly from Poshmark's careers page and normalized into a canonical job model.