Senior Software Engineer, Core Platform

Reddit is hiring a Senior Software Engineer to build, operate, and scale its media platform and foundational services used across the organization. The role focuses on scaling systems, delivering reliable platform APIs and services, mentoring engineers, and improving media experiences for Reddit users worldwide.

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 millions 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:

• Strong software development experience in one or more general purpose programming languages; Python, Go or similar
• 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
• Experienced with GraphQL, gRPC, Thrift, Protobuf, and the ability to design and implement maintainable APIs
• Familiarity with Kubernetes and cloud platforms (AWS, GCP)
• History of building clean, maintainable, and well-tested code
• Media delivery expertise from back end systems to the user
• Experience optimizing media performance, scalability, and delivery by improving different stages of the stack
• Familiarity with media processing and global media distribution; image processing and delivery technologies such as image scaling, cropping, and image formats like progressive JPEG, WebP, HTTP Live Streaming (HLS), MPEG-DASH, MP4, and other streaming protocols, as well as video compression standards (H.264, H.265/HEVC, VP9, AV1), and distribution from user origin, through CDN, to the user experience