Staff Engineer, Machine Learning

About Poshmark

Poshmark is a leading fashion resale marketplace powered by a vibrant, highly engaged community of buyers and sellers and real-time social experiences. Designed to make online selling fun, more social and easier than ever, Poshmark empowers its sellers to turn their closet into a thriving business and share their style with the world. Since its founding in 2011, Poshmark has grown its community to over 130 million users and generated over $10 billion in GMV, helping sellers realize billions in earnings, delighting buyers with deals and one-of-a-kind items, and building a more sustainable future for fashion. For more information, please visit www.poshmark.com, and for company news, visit newsroom.poshmark.com.

Big Data team is a central player in the Poshmark organization. Our mission is to build a world-class big data platform to bring value out of data for us and for our customers. Our goal is to democratize data, support exploding business, build data and ML pipelines to fuel existing and new business critical initiatives.

We are looking for exceptional, creative and passionate Machine Learning engineers to join our ML and Big Data Team. You will be responsible for building and owning the next-generation of algorithms and systems that would have critical business impact for Poshmark and improve the user experience for our millions of users

Responsibilities:

• 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

Ideal Candidate:

• 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.

Technologies we use:

• Scala, Python

• MongoDB, Redshift, Druid

• Airflow, Jenkins

• Spark, SparkML, Kinesis