← all jobs

[Remote] Senior Machine Learning Systems Engineer, Ranking Platform

Work from home Full-time role Hiring

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.

Responsibilities

  • Design and implement the next generation ML ranking system that powers the personalized feeds, search and other products at Reddit
  • Design and develop ML and Generative AI systems in cloud-based production environments at scale
  • Partner closely with Product, Infrastructure and Engineering teams and translate requirements into scalable ML systems
  • Write efficient, scalable and maintainable code that will help us iterate quickly and safely
  • Champion and drive engineering processes and best practices
  • Raise the bar for engineering across the team through code reviews, mentorship and knowledge sharing

Skills

  • 5+ 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 language
  • 5+ years of experience with designing and implementing large-scale performant and reliable machine learning systems
  • Experience with developing and improving tools such as deployment, automation, system diagnosis, ML monitoring etc
  • Strong organizational skills with the ability to prioritize tasks and keep projects on schedule with a strong attention to detail
  • BS degree in Computer Science, a similar technical field of study or equivalent practical experience
  • Familiar with software engineering best practices such as unit testing and code reviews, design, and documentation
  • Entrepreneurial 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 failure
  • Excellent communication skills. You collaborate effectively with teams in a fully remote environment and discuss complex topics with technical and non-technical audiences
  • Experience with recommendation systems is preferred

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] Enterprise Account Executive, Southwest

    Work from home Full-time role

    [Remote] Digital Marketing Specialist (Eloqua)

    Work from home Full-time role

    [Remote] ServiceNow Business Process Consultant (SPM focus)

    Work from home Full-time role

    [Remote] Senior Software Engineer-C# Angular Azure

    Work from home Full-time role

    [Remote] Sales Manager/Engineer-Remote in Michigan (Bilingual in Mandarin)

    Work from home Full-time role

    Sales Development Representative (SDR) - 1355 - Pretoria, South Africa

    Work from home Full-time role

    Electrical Engineer 1

    Work from home Full-time role

    Remote Customer Service Representative – High‑Volume Inbound Call Center, Client Satisfaction & Issue Resolution at careerzynith (Full‑Time / Contract, Remote)

    Work from home Full-time role

    Remote Content Moderator, Full-Time

    Work from home Full-time role

    Sr. Actuary/Actuary - Individual Annuities

    Work from home Full-time role

    Field Sales Consultant, UK South - Pressure Management

    Work from home Full-time role

    Customer Service Representative (Slovak & English)

    Work from home Full-time role

    Experienced Customer Service Representative – Remote Work Opportunity at careerzynith

    Work from home Full-time role

    Remote Data Entry Specialist – Financial Services Operations | Multiple U.S. Locations

    Work from home Full-time role

    Product Management Associate – Product Coordinator

    Work from home Full-time role

    Remote Benefits Customer Service Representative – Bilingual (Spanish/French) – Flexible Schedule, Full Benefits, Remote‑First Role at careerzynith

    Work from home Full-time role

    Remote Entry-Level Live Chat Support Specialist – Customer Service for Digital Products, Flexible Remote Work, No Experience Required

    Work from home Full-time role

    Senior Staff - Medical & Scientific Affairs Liaison - Acute Care

    Work from home Full-time role

    Manager, SaaS Sales Representative - Capital One Software (Remote)

    Work from home Full-time role

    Certification Project Manager

    Work from home Full-time role

    Semiconductor Software Engineer

    Work from home Full-time role