Senior Software Engineer, Core Platform

Role

Reddit is hiring a Senior Software Engineer, Core Platform, to build, operate, and scale its global media platform. As part of the Core Systems & Libraries team, you will also design, build, and run foundational services, platforms, and libraries used by engineering teams across Reddit.

This is a full-time, remote position with 40 scheduled hours per week, listed in San Francisco, California.

Responsibilities

• Design and develop solutions to scale Reddit's infrastructure and media platform.
• Build platform API projects used across the organization.
• Mentor and coach junior engineers.
• Build, deliver, and operate services supporting millions of transactions per second with at least five nines of availability.
• Optimize the media experience for hundreds of millions of users worldwide.
• Maintain high uptime and strong system performance, and help develop a roadmap supporting Reddit's growing engineering organization.

Qualifications

• Strong software development experience in one or more general-purpose programming languages, such as Python or Go.
• At least 5 years of experience with large-scale, mission-critical distributed systems.
• Excellent communication skills, effective collaboration in a fully remote environment, and the ability to discuss complex topics with technical and non-technical audiences.
• Experience with GraphQL, gRPC, Thrift, and Protobuf, and the ability to design and implement maintainable APIs.
• Familiarity with Kubernetes and cloud platforms such as AWS and GCP.
• A history of building clean, maintainable, well-tested code.
• Media delivery expertise spanning backend systems through the user experience, including optimization of performance, scalability, and delivery across the stack.
• Familiarity with media processing and global distribution, including image scaling, cropping, progressive JPEG, WebP, HTTP Live Streaming (HLS), MPEG-DASH, MP4, streaming protocols, and video compression standards such as H.264, H.265/HEVC, VP9, and AV1.
• Understanding of distribution from user origin through a CDN to the user experience.

Compensation and Benefits

• Annual base salary: $190,800–$267,100 USD.
• Eligible for restricted stock units; commission eligibility depends on the position offered.
• Healthcare and income replacement programs; medical, dental, and vision insurance; and a 401(k) with employer match.
• Workspace, professional development, and caregiving support programs.
• Family planning support, gender-affirming care, and mental health and coaching benefits.
• Flexible vacation, paid volunteer time off, and generous paid parental leave.
• The posting may span multiple career levels. Final compensation depends on factors including skills, experience, and relevant credentials.

Interview and Application Information

• In select roles and locations, interviews may be recorded, transcribed, and summarized using AI. Candidates can opt out before scheduled interviews.
• Interview information collected may include identifiers, professional and employment-related information, audio/video recordings, and other information candidates choose to share. It is used to evaluate applications and is not sold or disclosed to third parties for marketing purposes.
• Interview recordings will be deleted promptly after a hiring decision. Additional handling and retention details are available in Reddit's Candidate Privacy Policy.
• Candidates needing disability-related interview accommodations should notify their recruiter.