Hi! I'm Alex Chen — Software Engineer & Architect
Building high-throughput web applications, autonomous LLM agents, scalable backend microservices, and interactive developer tooling with production rigor.
Frontend Engineering
Next.js 16, React 19, TypeScript & Tailwind CSS — sub-second rendering & SSR
Backend & Systems
Node.js, Golang, GraphQL & PostgreSQL — high-concurrency microservices & APIs
AI & Agentic Systems
Python, LangChain, RAG Pipelines & Vector DBs — autonomous LLM execution loops
DevOps & Infrastructure
Docker, Kubernetes, AWS & CI/CD — 99.99% uptime SLA & automated releases
Featured Systems & Deployments
High-performance applications built with modern architectural standards and full-stack rigor.
Agentic Workspace & Autonomous Executor
An AI-powered development orchestration platform that analyzes repository structures, generates tasks, and executes code updates with automated tests.
Multi-Tenant Enterprise SaaS Store
Sub-second e-commerce engine supporting instant multi-currency checkouts, inventory webhooks, and live merchant analytics dashboards.
Distributed Microservices API Gateway
High-throughput API Gateway running JWT authentication, sliding-window rate limiting, and federated GraphQL schema stitching.
Real-Time Collaborative Graphic Canvas
Multi-user vector graphics design tool built with HTML5 WebGL canvas engine and Yjs CRDT real-time document synchronization.
Architectural Expertise
Engineered for sub-second latency, zero downtime, and production maintainability.
Frontend & UI Engineering
RSC, Server Actions, Streaming SSR, ISR
Hooks, Strict Typing, State Machines, Suspense
Custom Design Tokens, Micro-interactions
Hardware-accelerated 2D/3D rendering
Backend & Systems
High-throughput asynchronous APIs
AsyncIO, Pydantic, Microservices
Goroutines, Channel concurrency
Federated Subgraphs, OpenAPI specs
AI, Data & Vector DBs
RAG pipelines, Autonomous Agent Loops
Semantic Search & Context Indexing
Complex Queries, ERDs, Index tuning
Sliding window rate limiters, Session store
Cloud & DevOps Infrastructure
Multi-stage builds, Container orchestration
Serverless architectures & IAM policies
Automated test suites & deployment pipelines
Sub-50ms TTFB, OWASP Top 10 mitigation
Experience & Track Record
A proven history of building scalable products, leading technical strategy, and delivering value.
Lead Full-Stack & AI Systems Architect
Architecting autonomous AI agent platforms, streaming RAG infrastructure, and high-concurrency microservices processing 50M+ daily events.
Senior Full-Stack Engineer
Led core frontend and backend engineering for enterprise multi-tenant SaaS products and payment checkout gateways.
Software Engineer
Developed real-time collaborative web applications, WebSockets state synchronization, and high-performance WebGL graphics engines.
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Whether you need an AI agent implementation, full-stack web application, or cloud architecture consultation — let's discuss how to bring your vision to life.