Skip to content
RedditReddit

Senior Software Engineer, Core Platform

Senior engineer on Reddit's Core Platform team building and scaling high-throughput APIs and media services. Requires 5+ years with large-scale distributed systems, Golang or Python, and media delivery expertise.

About the job

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 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; 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 back end systems to the user; experience optimizing media performance, scalability, and delivery by improving different stages of the stack

Nice-to-Haves

  • Technical coaching and mentoring experience

Skills

Go, Python, Distributed Systems, API Design, Media Delivery, Scalability, Performance Optimization, Mentoring

Reddit

Reddit

United States

Senior Backend Engineer, Safety
$191k+/yrRemote5+ YOEBackend Engineering

Builds and ships backend products and maintainable APIs for Reddit’s Safety and Moderation organization. The role requires 5–8 years of software development experience, proficiency in a general-purpose programming language, API expertise, and the ability to lead and mentor engineers.

Reddit

Reddit

United States

Senior Software Engineer, Ads Creative Effectiveness
$191k+/yrRemote5+ YOEBackend Engineering

Builds scalable backend and GenAI systems for ad creative generation, editing, performance optimization, and safety at Reddit. The role requires distributed systems expertise, production ML integration, and technical leadership across Product, Design, and ML teams.

Reddit

Reddit

United States

Senior Backend Engineer, Compliance Engineering
$191k+/yrRemote5+ YOEBackend Engineering

Build and lead high-scale backend systems that help Reddit meet evolving privacy, security, and regulatory requirements. The role requires 5+ years of backend experience, distributed-systems expertise, technical leadership, and proficiency across modern cloud and backend technologies.

Fetch

Fetch

United States

Senior Backend Engineer II, Data & Agentic Context Platforms
$190k+/yrRemote8+ YOEBackend Engineering

Build and operate backend services, data pipelines, storage, and retrieval systems that provide trusted context to agentic platforms and product applications. The role requires 8+ years of software engineering experience, distributed-systems expertise, cloud infrastructure knowledge, and strong data modeling skills.

Reddit

Reddit

United States

Senior Software Engineer, Media Creation
$190k+/yrRemote5+ YOEBackend Engineering

Build backend architecture and APIs for Reddit’s media creation tools, supporting video and image capture, editing, and publishing. The role requires 5+ years of professional software development experience, distributed-systems expertise, strong API design skills, and product-minded collaboration.