Senior Software Engineer, GenAI Platform at Reddit

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.