7.2
7.2 Model Gateway, Routing & Traffic Control
Unified OpenAI-compatible API gateway (OpenRouter/LiteLLM/Portkey), multi-cloud load balancing, automatic failover, semantic intent routing, and multi-tenant rate limiting.
Unified Model Gateway, Provider Abstraction & Failover
Unified OpenAI-compatible API abstraction, intelligent multi-provider load balancing, automatic timeout retries and fallback failover, high-performance SSE streaming, and enterprise audit logs.
🏢 Companies
OpenRouter、Portkey、LiteLLM、Cloudflare (AI Gateway)、Helicone、Kong
🛠️ Tech Stack
Model GatewayOpenRouterLiteLLMPortkeyProvider AbstractionFallback RetriesCircuit BreakerSSE Streaming
💼 Roles & Salary
LLMOps Engineer、API Platform Engineer、Backend Architect
💰 $195K - $410K / year (LLM Gateway Architecture) | ¥520K - ¥1.2M / year
📚 Prerequisites: API Gateway & Proxy Architecture (Envoy) • Circuit Breaker & Retry Patterns • Streaming Protocols (SSE / HTTP2) • Multi-Provider Virtual Key Isolation
Semantic Intent Routing, Multi-Tenancy & Rate Limiting
Semantic intent routing via lightweight embeddings/SLMs (distributing simple queries to SLMs, deep reasoning to o1/R1), multi-tenant quota isolation, and Redis distributed token bucket rate limiting.
🏢 Companies
OpenRouter、Portkey、LiteLLM、Cloudflare (AI Gateway)、Helicone
🛠️ Tech Stack
Semantic RoutingOpenRouterModel RoutingRate LimitingToken BucketMulti-TenancyQuota ManagementSLM Offloading
💼 Roles & Salary
LLMOps Engineer、Backend Architect、Reliability Engineer
💰 $190K - $395K / year (Semantic Routing & Rate Limiting) | ¥500K - ¥1.15M / year
📚 Prerequisites: Semantic Embedding Similarity & Classification • Redis Distributed Token Bucket Rate Limiting • Multi-Tenant Quota & Tiered Budgeting • Traffic Shedding & Graceful Degradation