Note: The job is a remote job and is open to candidates in USA. Reddit is a community of communities, hosting open conversations and information sharing. They are seeking a Senior Machine Learning Systems Engineer for their ML Ranking Platform, responsible for designing and maintaining scalable ranking systems that enhance user experience across various products.
Responsibilities
- Design and implement the next generation ML ranking system that powers the personalized feeds, search and other products at Reddit
- Design and develop ML and Generative AI systems in cloud-based production environments at scale
- Partner closely with Product, Infrastructure and Engineering teams and translate requirements into scalable ML systems
- Write efficient, scalable and maintainable code that will help us iterate quickly and safely
- Champion and drive engineering processes and best practices
- Raise the bar for engineering across the team through code reviews, mentorship and knowledge sharing
Skills
- 5+ years of experience as a software engineer developing large-scale distributed systems and data intensive ML based system, using Go, Python, C++ or any object oriented programming language
- 5+ years of experience with designing and implementing large-scale performant and reliable machine learning systems
- Experience with developing and improving tools such as deployment, automation, system diagnosis, ML monitoring etc
- Strong organizational skills with the ability to prioritize tasks and keep projects on schedule with a strong attention to detail
- BS degree in Computer Science, a similar technical field of study or equivalent practical experience
- Familiar with software engineering best practices such as unit testing and code reviews, design, and documentation
- 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 and even failure
- Excellent communication skills. You collaborate effectively with teams in a fully remote environment and discuss complex topics with technical and non-technical audiences
- Experience with recommendation systems is preferred
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
- Equity in the form of restricted stock units
- Commission (depending on the position offered)
- Medical, dental, and vision insurance
- 401(k) program with employer match
- Generous time off for vacation
- 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 https://www.redditinc.com.Company H1B Sponsorship
Reddit, Inc. has a track record of offering H1B sponsorships, with 22 in 2026, 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.