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Home›Jobs›Whatnot›LLM Platform Engineer
Whatnot

About Whatnot

Transforming eCommerce through live shopping experiences

🏢 Tech👥 1001+ employees📅 Founded 2019📍 Venice, Los Angeles, CA💰 $974.2m⭐ 4.9
B2CMarketplaceSocialSocial MediaConsumer Goods

Key Highlights

  • Founded in 2019, headquartered in Venice, CA
  • Raised $974.2 million in Series E funding
  • Facilitated over $6 billion in sales as of 2025
  • Remote co-located team with hubs in US, UK, and Europe

Whatnot is a live stream platform and marketplace headquartered in Venice, Los Angeles, CA, that enables users to turn their passions into businesses. Founded in 2019, Whatnot has raised $974.2 million in funding and operates across the US, UK, and Europe, facilitating over $6 billion in sales as of...

🎁 Benefits

Whatnot offers comprehensive health, dental, vision, and life insurance plans, including coverage for dependents. Employees enjoy competitive salaries...

🌟 Culture

Whatnot fosters a remote-friendly culture that emphasizes innovation and community engagement. The company is dedicated to transforming eCommerce thro...

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Whatnot

LLM Platform Engineer

Whatnot • San Francisco, CA

Posted 12h ago🏢 HybridMid-LevelAi engineer📍 San francisco💰 $225,000 - $320,000 / year
Apply Now →

Skills & Technologies

Machine learning engineerPythonTensorFlowPyTorchAWS

Overview

Whatnot is seeking an LLM Platform Engineer to design and scale core infrastructure for large language model applications. You'll collaborate with machine learning scientists and work with technologies like Python and TensorFlow. This role is based in San Francisco with hybrid work options.

Job Description

Who you are

You are an intellectually curious engineer with a strong background in AI and machine learning. You have experience in designing and scaling infrastructure for large language models, and you thrive in collaborative environments where you can work closely with machine learning scientists. Your technical skills include proficiency in Python and familiarity with frameworks such as TensorFlow and PyTorch. You understand the importance of building dependable AI systems that can operate at scale, and you are eager to contribute to innovative projects that redefine e-commerce.

Desirable

Experience with cloud platforms like AWS is a plus, as is familiarity with retrieval systems and LLM evaluation techniques. You are comfortable navigating complex technical challenges and are excited about the potential of AI to transform online marketplaces.

What you'll do

In this role, you will design and scale the core infrastructure that powers large language model applications across Whatnot. You will work side by side with machine learning scientists to bring cutting-edge models into production, ensuring that AI systems are both dependable and fast. Your responsibilities will include building retrieval systems that effectively ground LLM responses in Whatnot’s business context, as well as developing scalable evaluation methods for LLM performance. You will also be involved in identifying opportunities for innovation and improvement within the AI infrastructure, contributing to the overall success of the platform.

What we offer

Whatnot provides a dynamic work environment where innovation is encouraged and supported. You will have the opportunity to work on projects that have a significant impact on the future of commerce. The company values collaboration and diversity, fostering a culture where different skills and experiences are respected and celebrated. Additionally, you will benefit from flexible work arrangements, allowing you to balance your professional and personal life effectively. Join us in shaping the future of online marketplaces and turning passions into businesses.

Interested in this role?

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