Note: The job is a remote job and is open to candidates in USA. Whatnot is the largest livestream shopping platform in North America and Europe, focused on building live commerce at an unprecedented scale. They are seeking a Machine Learning Engineer to drive buyer growth through data-driven experiences, responsible for developing ML models that enhance user acquisition and engagement.
Responsibilities
- Lead the design, development, and productionization of ML models that power user acquisition, activation, and retention (e.g., ranking models, targeting systems, uplift modeling)
- Own the full model lifecycle: from data collection and feature engineering to model training, evaluation, deployment, and online experimentation
- Identify and prioritize high-impact opportunities where machine learning can unlock growth, collaborating with product, engineering, data, and marketing stakeholders
- Drive technical excellence and establish ML best practices across the Buyer Growth team
Skills
- 5+ years of industry experience building and deploying ML systems at scale
- Demonstrated success in leading end-to-end ML projects that drove measurable business outcomes
- Deep expertise in personalization, ranking, or user modeling; strong intuition around user behavior in consumer products
- Advanced proficiency in Python, SQL, and common ML frameworks (e.g., PyTorch, TensorFlow, XGBoost)
- Strong communication and leadership skills; ability to influence roadmap and align cross-functional teams
- Experience building ML applications in E-commerce or Social products
- Prior experience in growth domains: user segmentation, retention modeling, large scale recommendation systems, notification ranking, etc
Benefits
- Flexible Time off Policy and Company-wide Holidays (including a spring and winter break)
- Health Insurance options including Medical, Dental, Vision
- Work From Home Support
- Home office setup allowance
- Monthly allowance for cell phone and internet
- Monthly allowance for wellness
- Annual allowance towards Childcare
- Lifetime benefit for family planning, such as adoption or fertility expenses
- 401k offering for Traditional and Roth accounts in the US (employer match up to 4% of base salary) and Pension plans internationally
- Monthly allowance to dogfood the app
- 16 weeks of paid parental leave + one month gradual return to work \•company leave allowances run concurrently with country leave requirements which take precedence.
Company Overview
Whatnot is a livestream shopping platform for buying and selling products. It was founded in 2019, and is headquartered in San Francisco, California, USA, with a workforce of 1001-5000 employees. Its website is https://www.whatnot.com.Company H1B Sponsorship
Whatnot has a track record of offering H1B sponsorships, with 6 in 2026, 34 in 2025, 20 in 2024, 18 in 2023, 10 in 2022. Please note that this does not guarantee sponsorship for this specific role.