Senior Software Engineer, Core Platform

About the Position

Senior Software Engineer, Core Platform Job at Reddit, San Francisco, CA

Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on the topics they care most about. With 100,000+ active communities and approximately 130 million daily active unique visitors, Reddit is one of the internet’s largest sources of information. For more information, visit Reddit.

The Core Platform team facilitates millions of API requests running the Core API Platform for Reddit. Core Platform is responsible for the APIs that build our listings, enabling posts, comments, media, and many more features and data models that are the sources of truth for Reddit. As a Senior Engineer on this team, you’ll be a technical coach and mentor. You’ll draw on your technical expertise to ensure these systems have high uptime and strong performance while working with others to build a roadmap to match the needs of an ever-growing engineering organization. You’ll work with your teammates to build and scale a media platform which will fuel the next wave of Reddit’s growth. Your work will directly impact hundreds of millions of users around the world. Join us and help build the future of Reddit!

Responsibilities

• Develop and design new and innovative solutions to scaling Reddit
• Build platform API projects that scale to the rest of the organization
• Mentor and coach more junior engineers on your direct team to achieve our mission
• Build, deliver, and operate services that scale to hundreds of thousands of transactions per second at 5+ 9’s of availability
• Help us to optimize Reddit’s media experience for hundreds of millions of users across the world

Requirements

• Software development experience in Golang or Python
• 5+ years of experience with large-scale, mission-critical distributed systems
• Excellent communication skills. You partner effectively with teams in a fully remote environment and discuss complex topics with technical and non-technical audiences
• Familiarity with API platform service architectures
• History of building clean, maintainable, and well-tested code
• Media delivery expertise from backend systems to the user. Experience optimizing media performance, scalability, and delivery by improving different stages of the stack

We Offer

• 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

About the Company

Reddit is proud to be an equal opportunity employer, and is committed to building a workforce representative of the diverse communities we serve. Reddit is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If, due to a disability, you need an accommodation during the interview process, please let your recruiter know.

Application Details

• Location: San Francisco, CA
• Job Type: Full Time
• Salary: $190.8k - $267.1k
• Date Posted: 2026-10-07
• Expiration date: 2026-12-05

Apply Now