Senior Software Engineer, GenAI Platform

Reddit is hiring a Senior Software Engineer to lead development of its large-scale GenAI Platform. This is a remote role for U.S.-based candidates.

Key Responsibilities

• Design and maintain an LLM Gateway with unified API endpoints for internal and externally hosted LLMs, rate/token limit management, and intelligent failover systems
• Build and manage enterprise-grade RAG applications using embeddings, vector search, and retrieval orchestration
• Implement and operationalize agentic AI workflows with tool use using frameworks such as LangChain, LangGraph, and Vertex AI Agent Builder
• Establish MLOps practices and develop observability solutions for GenAI pipelines in production
• Lead GenAI Platform development from concept to production at Reddit scale

Required Qualifications

• 5+ years in ML Engineering, AI Platform Engineering, or Cloud AI Deployment
• Kubernetes operation at scale
• Cloud technologies (AWS, Google Cloud, Terraform)
• Programming proficiency in Go and Python
• Strong communication abilities
• Bonus: TensorFlow, PyTorch, model serving, inference pipelines, and monitoring systems

Compensation & Benefits
Base salary range: $190,800 - $267,100 USD plus equity in RSUs. Package includes comprehensive healthcare, 401(k) matching, professional development support, flexible vacation time, and generous parental leave.