← all jobs

[Remote] Senior Staff Machine Learning Systems Engineer, Indexing & Retrieval Search

Work from home Full-time role Hiring

Note: The job is a remote job and is open to candidates in USA. Reddit, Inc. is a community-driven platform known for its diverse conversations and vast user engagement. They are seeking a Senior Staff Machine Learning Systems Engineer to lead the development of ML Indexing & Retrieval systems, focusing on building scalable and reliable platforms that enhance machine learning capabilities.

Responsibilities

  • Lead the technical strategy, architecture, and implementation of Reddit’s next-generation ML Indexing & Retrieval engine, integrating capabilities across lexical and vector indexing, low-latency retrieval, and emerging GenAI applications
  • Partner closely with product engineers across Content Understanding, Search, Feeds, Ads, Growth, and Safety to deliver high-quality experiences
  • Define best practices for observability, reliability, and operational excellence in large-scale distributed systems
  • Mentor and guide engineers in designing scalable infrastructure and adopting robust DevOps and SRE principles
  • Collaborate with infrastructure, and ML teams to ensure the platform evolves to meet the needs of Reddit’s growing user base and diverse content ecosystem

Skills

  • 10+ years of experience in software engineering, specializing in Indexing and Retrieval systems
  • 3+ years in technical leadership, architecting and scaling distributed systems in production environments
  • Deep expertise in large-scale data platforms, including batch indexing and stream processing
  • Proven experience designing and operating large-scale, low-latency retrieval services
  • Expertise in lexical and vector search retrieval technologies, such as Milvus, Vespa, or Elasticsearch
  • Skilled in designing cloud-native architectures and managing containerized workloads using Kubernetes and AWS/GCP
  • Adept at translating complex technical challenges into clear, actionable strategies
  • Strong communicator and mentor who leads through collaboration, influence, and technical excellence

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.
  • More open positions

    [Remote] Senior Billing Systems & Operations Analyst

    Work from home Full-time role

    [Remote] Senior Product Marketing Manager

    Work from home Full-time role

    [Remote] USCAN FP&A Analyst – Cash & Working Capital

    Work from home Full-time role

    [Remote] Senior Account Executive (PostgreSQL)

    Work from home Full-time role

    [Remote] System Modeling (Dynamic Systems Simulation)

    Work from home Full-time role

    Travel Care & Support Specialist

    Work from home Full-time role

    [Remote] Turkish Transcriber

    Work from home Full-time role

    Performance Marketing Specialist

    Work from home Full-time role

    Graphic Design - Remote

    Work from home Full-time role

    Netflix Remote (Data Entry Jobs) $21/H - [Entry level remote jobs]

    Work from home Full-time role

    Middle Data Engineer (Azure Databricks)

    Work from home Full-time role

    Part‑Time Customer Service Support Specialist – Retail & Administrative Operations at careerzynith

    Work from home Full-time role

    [Remote] Senior Databricks Engineer

    Work from home Full-time role

    International Portfolio Management Associate

    Work from home Full-time role

    Senior Software Engineer (vMetal)

    Work from home Full-time role

    Experienced Overnight Customer Care and Technical Support Advisor – Remote Work Opportunity with careerzynith

    Work from home Full-time role

    Clinical Applications Specialist - Cardiology (GA/LA/Northern FL)

    Work from home Full-time role

    Claims Associate - INVEST

    Work from home Full-time role

    Remote Part‑Time Data Entry Specialist – No Experience Required – Join careerzynith’s Magical Virtual Team

    Work from home Full-time role

    Experienced Data Entry Specialist – Remote Opportunity at careerzynith

    Work from home Full-time role

    Analyst, Care Management Specialist – Work From Home, Multistate

    Work from home Full-time role