[Remote] Principal Software Engineer, ML Feature Platform

Note:The job is a remote job and is open to candidates in USA. Reddit is a community of communities and is seeking a Principal Software Engineer for their ML Feature Platform team. This role involves overseeing the vision and leading the development of foundational ML infrastructure to support various features such as recommendations and content understanding. Responsibilities• Lead the technical strategy, architecture and development of Reddit’s next-generation, real-time feature store that supports both online and offline feature retrieval.• Work with other engineers across ML Platform and Reddit infrastructure to significantly advance the ML Platform. • Work with management on team goal setting, planning, and de-risk project execution• Mentor other team members in adopting a rigorous DevOps approach to maintain and/or improve ML infra components and services health and qualitySkills• 10+ years of professional software engineering experience• 3+ years leading a team to design large-scale distributed systems. • Deep expertise in systems design, performance optimization, and cloud-native architectures (AWS, GCP, or Azure).• Strong understanding of ML infrastructure, especially feature engineering, data freshness, feature versioning, online/offline feature retrieval and online/offline consistency to serve 100s of millions of users. • Proven experience building real-time data systems, e.g., feature stores, stream processing engines, or caching systems. • Strong organizational & communication skillsBenefits• Comprehensive Healthcare Benefits and Income Replacement Programs• 401k Match• Family Planning Support• Gender-Affirming Care• Mental Health & Coaching Benefits• Flexible Vacation & Reddit Global Days off• Generous paid Parental Leave• Paid Volunteer time offCompany 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 isCompany H1B Sponsorship• Reddit, Inc. has a track record of offering H1B sponsorships, with 72 in 2025, 64 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. Apply tot his job