Projects

What I have Built

Production-grade backend systems, RAG platforms, and AI agent architectures.

production

PlusAgent

Enterprise-grade Multi-Agent Runtime platform with Orchestrator-Workers architecture for Agent lifecycle management, task orchestration, and multi-Agent collaboration.

Self-developed state-machine-driven Orchestrator-Workers orchestration engine
WebFlux/Reactor async event flow with unified Event Protocol and SSE streaming
MCP JSON-RPC Client with stdio/HTTP dual transport, dynamic tool registration
Agent Context Pipeline with role isolation, Token Budget control, and Prompt assembly

View Details — PlusAgent

production

PlusNexus

Enterprise-grade intelligent search framework with LLM-powered query planning, multi-source data federation, and zero-hardcoding extensibility.

LLM-powered query plan decomposition into AND/OR/NOT logic trees with PlanCache
Dual-engine structured extraction (LLM NER + regex) with graceful degradation on LLM failure
Multi-source data federation with join-key pre-filtering and short-circuit optimization
Zero-hardcoding extension — new search dimensions added via database rows, no code changes

View Details — PlusNexus

production

RagentAI

Enterprise-grade Agentic RAG platform with MCP tools and full-stack observability.

Orchestrated document processing chain (Fetcher → Parser → Enhancer → Chunker → Indexer)
Intent recognition with tree-structured intent classification
Multi-channel retrieval with Rerank post-processing
SSE-based streaming with real-time answer generation

View Details — RagentAI

production

SaaS Short Link Platform

High-concurrency URL shortening service with microservice architecture.

100K+ QPS redirect throughput with sub-5ms P99 latency
ShardingSphere horizontal partitioning for billion-scale link storage
Bloom filter cache penetration protection
Multi-layer caching with Redis + Bloom filter

View Details — SaaS Short Link Platform