[Remote] Senior Machine Learning Engineer, Core Experience and Growth

Note: The job is a remote job and is open to candidates in USA. Reddit is a community of communities, and they are seeking a Senior Machine Learning Engineer to join their Growth team. This role involves building engaging user experiences through the use of machine learning and large language models, while collaborating with cross-functional teams to drive product features from ideation to production.

Responsibilities

• Use ML and/or LLMs to personalize first and early user experiences on Reddit
• Build systems for real-time feature fetching and model inference
• Build systems for recurring training of models using modern architectures (deep learning, transformers or other sequential models)
• Work closely with ML Platform teams to provide feedback on and improve Reddit’s ML infrastructure
• Work with Product and Design partners to identify user problems, and design solutions to these problems using ML and/or LLMs
• Contribute meaningfully to our team’s strategy. We give everyone a seat at the table and encourage active participation in planning our future. Don’t just come along for the ride
• Participate in product reviews and team meetings, providing technical insight. Help scope, estimate, and prioritize between conflicting needs
• Foster a healthy engineering culture and collaborate with other engineers

Skills

• 5+ years of experience building deep learning models using mainstream ML frameworks (TensorFlow, PyTorch)
• 5+ years of experience training, evaluating, testing, and deploying industry-level models
• 5+ years of experience orchestrating data generation pipelines on large-scale datasets
• Successful track record of applying machine learning techniques to real-world problems
• Fluent in data analysis and SQL
• First-hand familiarity with AB testing using an experimentation platform
• Excellent communication skills. You collaborate effectively with teams in a fully remote environment and discuss complex topics with technical and non-technical audiences
• Experience writing production-quality software (preferred Python or Go)
• Experience with content recommendations and personalization is a plus
• Passionate about building delightful products for users
• Strong organizational skills, the ability to prioritize tasks and keep projects on schedule
• Entrepreneurial spirit. You are self-directed, innovative, and biased towards action in fast-paced environments. You love to build new things and thrive in ambiguity
• BS degree in Computer Science, a similar technical field of study or equivalent practical experience

Benefits

• Comprehensive Healthcare Benefits and Income Replacement Programs
• 401k with Employer Match
• Global Benefit programs that fit your lifestyle, from workspace to professional development to caregiving support
• Family Planning Support
• Gender-Affirming Care
• Mental Health & Coaching Benefits
• Flexible Vacation & Paid Volunteer Time Off
• Generous Paid Parental Leave

Company Overview

• Reddit is the heart of the internet, where millions of people get together to talk about any topic imaginable. It was founded in 2005, and is headquartered in San Francisco, California, USA, with a workforce of 1001-5000 employees. Its website is

Company H1B Sponsorship

• Reddit, Inc. has a track record of offering H1B sponsorships, with 99 in 2025, 63 in 2024, 76 in 2023, 70 in 2022, 68 in 2021, 39 in 2020. Please note that this does not guarantee sponsorship for this specific role.

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