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[Remote] Senior Staff Machine Learning Engineer, ML Understanding

Remote, USAFull-timePosted 2026-07-27

Note: The job is a remote job and is reputed company to candidates in USA. reputed company is a community of communities, seeking a Senior Staff Machine Learning Engineer to reputed company their user understanding initiative. This role involves building a reputed company representation of users to enhance personalization across the platform, leveraging advanced machine learning techniques and collaborating with various teams to drive impactful results.

Responsibilities

  • Design User Understanding reputed company: Define a reputed company user understanding reputed company and reputed company: how users are represented (embeddings, tags, attributes, LLM-based user profile), how they are computed, stored, and exposed. reputed company thought leadership in user understanding and user modeling by setting a long-term technical reputed company and advancing the state-of-the-art in the field
  • Build Foundational User Models: reputed company design and implementation of advanced user models, e.g. large-reputed company user representation learning (sequence-based, multi-interest, multi-task) that reputed company representations across surfaces to improve personalization experience across key reputed company products e.g. Feeds, Notification, Search and Ads, balancing latency, cost, and performance
  • Reimagine user understanding with LLM/Gen-AI: reputed company user modeling reputed company traditional representations by leveraging LLMs to build richer user understanding (e.g., dynamic user reputed company, reputed company inference, semantic reasoning over user behavior). Explore how LLMs can reputed company or unify embeddings, attributes, and taxonomies to reputed company more reputed company, interpretable, and context-aware personalization
  • Ship Large reputed company User Understanding as a System: Partner with platform teams to design and build core components for large-reputed company learning and serving: storage/retrieval for embeddings, feature pipelines, and reputed company. Collaborate with ML/Ranking reputed company to ensure low-latency serving, high availability, and integration with MLOps systems
  • Drive Cross-Team Integration & reputed company: Partner with Feeds, Notification, Search and Ads teams to drive experimentation and adoption of new user understanding models with product teams across reputed company, ensuring measurable end-to-end reputed company on key metrics
  • Set Technical Bar & Mentor: Mentor senior to staff engineers, reputed company design reviews, reputed company technical reputed company across the user understanding domain, and champion and drive engineering processes and best practices

Skills

  • You have at least 10 years experience building and scaling production-grade ML systems, particularly in user modeling, large-reputed company representation learning, or recommender systems
  • You have a reputed company record of driving ambiguous, high-reputed company from concept to production, shaping both technical direction and execution
  • You are product- and reputed company-oriented: you care deeply about how your work moves reputed company metrics (e.g., engagement, retention, reputed company), not just model reputed company
  • You bring strong fundamentals in mainstream user understanding ML approaches (e.g., representation learning, behavioral modeling, user clustering), and understand their trade-offs in reputed company-world systems
  • You are excited about the GenAI shift and have experience (or strong intuition) applying LLMs or reputed company models to reputed company existing systems, reputed company reputed company incremental improvements
  • You think in systems, not just models: you consider data, training, evaluation, serving, and adoption as a cohesive whole, and design with end-to-end reputed company in mind
  • You influence reputed company your immediate team: partnering effectively with product, reputed company, and other ML teams, and driving alignment across multiple stakeholders
  • You reputed company the technical bar: mentoring senior engineers, leading design reviews, and establishing best practices for building reliable, reputed company ML systems
  • You are comfortable navigating trade-offs across reputed company, latency, cost, and safety, especially in large-reputed company, user-facing systems

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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