💬 Discord
⬅Back to AI Roadmap
🤖
LAYER 08

08. AI Engineering / RAG / Agent / Orchestration

Benchmark Companies:
LangGraphLangGraphLlamaIndexLlamaIndexModel Context ProtocolModel Context ProtocolAutoGenAutoGenCrewAICrewAICognition (Devin)Cognition (Devin)E2BE2BModalModalDifyDifyFlowiseFlowiseHaystackHaystackBrowserbaseBrowserbaseTemporalTemporalAzure AI SearchAzure AI SearchLangChainLangChainGraphRAGGraphRAGPineconePineconeModel Context ProtocolModel Context ProtocolMCP CommunityMCP CommunityCloudflareCloudflareDockerDocker

Connecting models to enterprise knowledge, tool APIs, state machines, and secure sandboxes to build autonomous agentic workflows.

📊Layer View Mode:
🌐3D CROSS-CORRELATION MATRIX

08. AI Engineering / RAG / Agent / Orchestration · Cross-Correlation Ecosystem

Click any company, tech category, or career role to illuminate all cross-associations and dim unrelated entities.

🔍
🏢

Benchmark Enterprises

21
LangGraphLangGraph
3
LlamaIndexLlamaIndex
2
Model Context ProtocolModel Context Protocol
0
AutoGenAutoGen
2
CrewAICrewAI
2
Cognition (Devin)Cognition (Devin)
2
E2BE2B
2
ModalModal
1
DifyDify
3
FlowiseFlowise
1
HaystackHaystack
1
BrowserbaseBrowserbase
1
TemporalTemporal
1
Azure AI SearchAzure AI Search
1
LangChainLangChain
3
GraphRAGGraphRAG
1
PineconePinecone
2
Model Context ProtocolModel Context Protocol
1
MCP CommunityMCP Community
1
CloudflareCloudflare
2
DockerDocker
1
🛠️

Tech Stack Categories & Atomic Nodes

3 Tracks
8.1

8.1 Retrieval-Augmented Generation & Knowledge Engineering

Hybrid search (BM25+Dense), RRF ranking fusion, cross-encoder rerankers, parent-child context expansion, GraphRAG entity extractors, ACL filters, and citation grounding.
Sub-Page➔
Enterprise Hybrid RAG, Reranking & GraphRAG
💰 $205K - $430K / year (Advanced RAG & GraphRAG) | ¥580K - ¥1.35M / year
BM25 inverted lexical search + dense vector retrieval fused via Reciprocal Rank Fusion (RRF), Cross-Encoder rerankers, Parent-Child chunk expansion, HyDE, and Microsoft GraphRAG hierarchical community summarization.
Benchmark:LlamaIndexLlamaIndexLangChainLangChainGraphRAGGraphRAGHaystackHaystackPineconePinecone
Hybrid SearchRRFCross-EncoderParent-Child ChunkingGraphRAGHyDELlamaIndexLangChain
Enterprise RAG ACL Security, Citations & Groundedness Evals
💰 $195K - $410K / year (Enterprise RAG Governance & ACL) | ¥520K - ¥1.22M / year
Multi-tenant organizational file ACL security pre-filtering, sentence-level citation footnotes, groundedness and faithfulness evaluations, and automated graceful retrieval fallbacks.
Benchmark:LlamaIndexLlamaIndexLangChainLangChainDifyDifyAzure AI SearchAzure AI SearchPineconePinecone
RAG ACLMetadata FilteringCitationsGroundednessFaithfulnessHallucination DetectionRagas
8.2

8.2 Agent Workflows, State Machines & Tooling

LangGraph cyclic state machines, persistent checkpoints, human-in-the-loop approvals, strict function calling schemas, multi-agent teams, and transactional compensation.
Sub-Page➔
LangGraph Cyclic State Machines, Checkpoints & Human Approval
💰 $215K - $460K / year (Agent State Machines & LangGraph) | ¥620K - ¥1.45M / year
Cyclic graph workflows with LangGraph, persistent state checkpoints for durable execution, human-in-the-loop authorization gates, strict JSON Schema tool schemas, and short/long-term memory management.
Benchmark:LangGraphLangGraphAutoGenAutoGenCrewAICrewAICognition (Devin)Cognition (Devin)DifyDifyFlowiseFlowise
LangGraphState MachineCheckpointsHuman-in-the-loopFunction CallingTool SchemaAgent Memory
Multi-Agent Teams, Self-Reflection & Transactional Compensation
💰 $220K - $470K / year (Multi-Agent Systems & Compensation) | ¥650K - ¥1.5M / year
Hierarchical multi-agent delegation, structured inter-agent communication protocols, trajectory self-reflection correction loops, idempotency keys, and Saga distributed failure compensation.
Benchmark:AutoGenAutoGenCrewAICrewAICognition (Devin)Cognition (Devin)TemporalTemporalDifyDify
Multi-AgentAutoGenCrewAIPlanningReflectionIdempotencySaga PatternTemporal
8.3

8.3 MCP, Tool Integration & Secure Sandboxes

Model Context Protocol (MCP) open standard, dynamic tool discovery, Firecracker/E2B microVM code isolation, and autonomous browser automation.
Sub-Page➔
Model Context Protocol (MCP) Client/Server Integration & Tool Discovery
💰 $210K - $450K / year (Model Context Protocol Architecture) | ¥600K - ¥1.4M / year
Standardized Model Context Protocol (MCP) client-server architecture, dynamic tool discovery and context resource injection, least-privilege credential forwarding, and cross-platform tool interoperability.
Benchmark:Model Context ProtocolModel Context ProtocolMCP CommunityMCP CommunityCloudflareCloudflareE2BE2B
Model Context Protocol (MCP)MCP ClientMCP ServerTool DiscoveryLeast PrivilegeJSON-RPCAnthropic
Secure Code Execution Sandboxes, Browser Automation & Egress Isolation
💰 $205K - $440K / year (Sandbox & Runtime Security) | ¥580K - ¥1.38M / year
Secure microVM code execution sandboxes (Firecracker/E2B/Modal), container resource limits, Playwright/Browserbase headless browser automation, network egress whitelisting, and immutable audit logs.
Benchmark:E2BE2BModalModalBrowserbaseBrowserbaseDockerDockerCloudflareCloudflare
Code SandboxE2BModalFirecrackerBrowserbasePlaywrightEgress ControlSecurity Isolation
💼

Career Track Roles

11
💼AI Engineer
3
💼RAG Engineer
2
💼Agent Engineer
2
💼LLM Application Engineer
2
💼AI Solutions Engineer
1
💼Search Engineer
1
💼AI Systems Engineer
3
💼Security Engineer
1
💼Evaluation Engineer
1
💼Platform Engineer
1
💼Sandbox Engineer
1
🔄Sub-Domain Sequential Path (3 stages):
8.1

8.1 Retrieval-Augmented Generation & Knowledge Engineering

Open Sub-Page➔

Hybrid search (BM25+Dense), RRF ranking fusion, cross-encoder rerankers, parent-child context expansion, GraphRAG entity extractors, ACL filters, and citation grounding.

Enterprise Hybrid RAG, Reranking & GraphRAG

BM25 inverted lexical search + dense vector retrieval fused via Reciprocal Rank Fusion (RRF), Cross-Encoder rerankers, Parent-Child chunk expansion, HyDE, and Microsoft GraphRAG hierarchical community summarization.

🏢 Companies
LlamaIndexLlamaIndexLangChainLangChainGraphRAGGraphRAGHaystackHaystackPineconePinecone
🛠️ Tech Stack
Hybrid SearchRRFCross-EncoderParent-Child ChunkingGraphRAGHyDELlamaIndexLangChain
💼 Roles & Salary
RAG Engineer、AI Engineer、Search Engineer
💰 $205K - $430K / year (Advanced RAG & GraphRAG) | ¥580K - ¥1.35M / year
🔍【Mini-Sandbox】Hybrid Search & RRF Fusion
BM25 keyword search + HNSW dense vector top-100 fused via Reciprocal Rank Fusion (RRF), re-scored by BGE Cross-Encoder for Top-3 precision.

Enterprise RAG ACL Security, Citations & Groundedness Evals

Multi-tenant organizational file ACL security pre-filtering, sentence-level citation footnotes, groundedness and faithfulness evaluations, and automated graceful retrieval fallbacks.

🏢 Companies
LlamaIndexLlamaIndexLangChainLangChainDifyDifyAzure AI SearchAzure AI SearchPineconePinecone
🛠️ Tech Stack
RAG ACLMetadata FilteringCitationsGroundednessFaithfulnessHallucination DetectionRagas
💼 Roles & Salary
RAG Engineer、AI Engineer、Evaluation Engineer
💰 $195K - $410K / year (Enterprise RAG Governance & ACL) | ¥520K - ¥1.22M / year
⬇
8.2

8.2 Agent Workflows, State Machines & Tooling

Open Sub-Page➔

LangGraph cyclic state machines, persistent checkpoints, human-in-the-loop approvals, strict function calling schemas, multi-agent teams, and transactional compensation.

LangGraph Cyclic State Machines, Checkpoints & Human Approval

Cyclic graph workflows with LangGraph, persistent state checkpoints for durable execution, human-in-the-loop authorization gates, strict JSON Schema tool schemas, and short/long-term memory management.

🏢 Companies
LangGraphLangGraphAutoGenAutoGenCrewAICrewAICognition (Devin)Cognition (Devin)DifyDifyFlowiseFlowise
🛠️ Tech Stack
LangGraphState MachineCheckpointsHuman-in-the-loopFunction CallingTool SchemaAgent Memory
💼 Roles & Salary
Agent Engineer、LLM Application Engineer、AI Engineer
💰 $215K - $460K / year (Agent State Machines & LangGraph) | ¥620K - ¥1.45M / year
🤖【Mini-Sandbox】ReAct Loop Live Simulation
🧠 Thought: User needs 2026 LLM memory optimization techniques. I will invoke Search tool.
🛠️ Action: SearchKnowledgeBase(query='vLLM PagedAttention FlashAttention-3')
👁️ Observation: Retrieved 3 cards: PagedAttention, SRAM Tiling, KV Cache compression.

Multi-Agent Teams, Self-Reflection & Transactional Compensation

Hierarchical multi-agent delegation, structured inter-agent communication protocols, trajectory self-reflection correction loops, idempotency keys, and Saga distributed failure compensation.

🏢 Companies
AutoGenAutoGenCrewAICrewAICognition (Devin)Cognition (Devin)TemporalTemporalDifyDify
🛠️ Tech Stack
Multi-AgentAutoGenCrewAIPlanningReflectionIdempotencySaga PatternTemporal
💼 Roles & Salary
Agent Engineer、AI Systems Engineer、AI Solutions Engineer
💰 $220K - $470K / year (Multi-Agent Systems & Compensation) | ¥650K - ¥1.5M / year
⬇
8.3

8.3 MCP, Tool Integration & Secure Sandboxes

Open Sub-Page➔

Model Context Protocol (MCP) open standard, dynamic tool discovery, Firecracker/E2B microVM code isolation, and autonomous browser automation.

Model Context Protocol (MCP) Client/Server Integration & Tool Discovery

Standardized Model Context Protocol (MCP) client-server architecture, dynamic tool discovery and context resource injection, least-privilege credential forwarding, and cross-platform tool interoperability.

🏢 Companies
Model Context ProtocolModel Context ProtocolMCP CommunityMCP CommunityCloudflareCloudflareE2BE2B
🛠️ Tech Stack
Model Context Protocol (MCP)MCP ClientMCP ServerTool DiscoveryLeast PrivilegeJSON-RPCAnthropic
💼 Roles & Salary
AI Systems Engineer、LLM Application Engineer、Platform Engineer
💰 $210K - $450K / year (Model Context Protocol Architecture) | ¥600K - ¥1.4M / year

Secure Code Execution Sandboxes, Browser Automation & Egress Isolation

Secure microVM code execution sandboxes (Firecracker/E2B/Modal), container resource limits, Playwright/Browserbase headless browser automation, network egress whitelisting, and immutable audit logs.

🏢 Companies
E2BE2BModalModalBrowserbaseBrowserbaseDockerDockerCloudflareCloudflare
🛠️ Tech Stack
Code SandboxE2BModalFirecrackerBrowserbasePlaywrightEgress ControlSecurity Isolation
💼 Roles & Salary
AI Systems Engineer、Security Engineer、Sandbox Engineer
💰 $205K - $440K / year (Sandbox & Runtime Security) | ¥580K - ¥1.38M / year