Backend Engineer, AI (Agent Systems)

About this role

A1 is seeking a Backend Engineer to build the inference and orchestration layer powering their AI assistant product. You'll design and operate production systems that reliably serve AI-powered features to mobile and desktop clients, optimizing for latency, correctness, and cost.

What you'll do

• Build and operate backend systems serving AI-powered features in production
• Design inference pipelines and orchestration layers around LLM models
• Own production concerns including monitoring, logging, alerting, and incident response
• Optimize latency and throughput across inference, caching, batching, and streaming
• Debug and resolve issues in distributed systems under load
• Build stable APIs supporting integration with frontend and ML systems

What they're looking for

• Backend engineering fundamentals in production environments
• High-throughput, low-latency service development
• AI inference patterns (LLMs, embeddings, multimodal)
• Python and/or Node.js
• Kubernetes and Docker containerization
• SQL and NoSQL databases
• Distributed systems debugging
• Production monitoring and observability