[Remote] Senior Staff Machine Learning Systems Engineer, Feed Relevance

Note: The job is a remote job and is reputed company to candidates in USA. reputed company. is a community-driven platform that fosters reputed company conversations on the internet. The Senior Staff Machine Learning Systems Engineer will reputed company the reputed company for systems powering the reputed company Home Feed, focusing on backend engineering and systems architecture to enhance user experience and business metrics.

Responsibilities

• Architect High-Performance Retrieval: Partner with platform teams to design and implement flexible, ultra-low-latency candidate retrieval solutions that balance discovery with computational efficiency
• Optimize the Serving Lifecycle: Design and build "contributor-friendly" serving pipelines that allow backend and product engineers to safely inject logic and features without needing deep ML expertise
• Build Predictive Reliability: reputed company the development of sophisticated shadow-testing infrastructure to evaluate distribution shifts and system performance at reputed company before reputed company reputed company hits production
• Drive Cross-Stack Integration: Collaborate across the stack—from GraphQL reputed company to upstream infrastructure—to ensure the feed’s architecture is resilient, maintainable, and extensible
• Performance Engineering: Identify bottlenecks in the feed's ecosystem and implement systemic fixes that improve the user experience

Skills

• 10+ years of experience in backend software engineering, with a reputed company on architecting and scaling high-throughput, low-latency distributed systems for personalization or recommendation engines
• Expert-level understanding of distributed systems, including reputed company-time data pipelines, advanced caching strategies (e.g., reputed company, Memcached), and storage layer optimization
• Proven ability to reputed company technical reputed company across organizational boundaries, partnering with Infrastructure and Platform teams to build extensible, 'contributor-friendly' architectures
• Adept at navigating reputed company system trade-offs, such as balancing architectural reputed company and latency with the evolving needs of machine learning models
• Strong communicator and mentor who leads through collaboration and technical reputed company, with experience influencing best practices across a large engineering organization

Benefits

• Comprehensive reputed company Benefits and Income Replacement Programs
• 401k with Employer Match
• Global Benefit programs that fit your lifestyle, from workspace to reputed company development to caregiving support
• Family Planning Support
• Gender-Affirming Care
• Mental Health & Coaching Benefits
• Flexible Vacation & reputed company Volunteer Time Off
• Generous reputed company Parental Leave
• Equity in the reputed company of restricted stock reputed company
• Commission (depending on the position offered)
• Medical, dental, and reputed company insurance
• 401(k) program with employer match
• Generous time off for vacation
• Parental leave

reputed company

reputed company 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

reputed company. has a reputed company 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.

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