[Remote] Senior Machine Learning Systems Engineer, Ranking Platform

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.ResponsibilitiesDesign and implement the next generation ML ranking system that powers the personalized feeds, search and other products at RedditDesign and develop ML and Generative AI systems in cloud-based production environments at scalePartner closely with Product, Infrastructure and Engineering teams and translate requirements into scalable ML systemsWrite efficient, scalable and maintainable code that will help us iterate quickly and safelyChampion and drive engineering processes and best practicesRaise the bar for engineering across the team through code reviews, mentorship and knowledge sharingSkills5+ 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 language5+ years of experience with designing and implementing large-scale performant and reliable machine learning systemsExperience with developing and improving tools such as deployment, automation, system diagnosis, ML monitoring etcStrong organizational skills with the ability to prioritize tasks and keep projects on schedule with a strong attention to detailBS degree in Computer Science, a similar technical field of study or equivalent practical experienceFamiliar with software engineering best practices such as unit testing and code reviews, design, and documentationEntrepreneurial 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 failureExcellent communication skills. You collaborate effectively with teams in a fully remote environment and discuss complex topics with technical and non-technical audiencesExperience with recommendation systems is preferredBenefitsComprehensive Healthcare Benefits and Income Replacement Programs401k with Employer MatchGlobal Benefit programs that fit your lifestyle, from workspace to professional development to caregiving supportFamily Planning SupportGender-Affirming CareMental Health & Coaching BenefitsFlexible Vacation & Paid Volunteer Time OffGenerous Paid Parental LeaveEquity in the form of restricted stock unitsCommission (depending on the position offered)Medical, dental, and vision insurance401(k) program with employer matchGenerous time off for vacationParental leaveCompany OverviewReddit 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 SponsorshipReddit, 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.