Senior Software Engineer, GenAI Platform
Full-timeSenior
$191K - $267K/yr
AI Tools
LangChainLangGraphVertex AI Agent Builder
Agentic Frameworks
LangChainLangGraph
Tech Stack
PythonGoKubernetesTerraformAWSGCPPyTorchTensorFlow
Agent Workflow
Build Reddit's internal GenAI Platform: design an LLM Gateway with intelligent failover, build enterprise RAG applications, and operationalize agentic workflows with tool use via LangChain, LangGraph, and Vertex AI Agent Builder.
About the Role
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.
