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  • Nagoya, Japan

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goal31121/README.md
Typing SVG

About

coding

I am an AI and backend engineer with over 10 years of experience designing and successfully building scalable web applications, AI powered products, and enterprise grade software solutions. Leveraging expertise in React, Next.js, TypeScript, and modern frontend architectures, I build backend systems, AI-powered applications, and distributed services with a focus on scalability, reliability, and maintainability. My work spans LLM integration, event-driven architectures, cloud infrastructure, and production system design.


Core strengths

  • Distributed backend design: microservices, event-driven architecture, Kafka
  • Performance engineering: concurrency, profiling, tail-latency reduction
  • Reliability: idempotency, retries/timeouts, circuit breakers, RCA
  • Cloud and DevOps: Docker, Kubernetes, CI/CD, monitoring and tracing
  • AI integration: LLM/RAG/agent workflows embedded into production services

🛠 Tech Stack & Tools

🤖 AI & LLM Systems

LangChain LlamaIndex LangGraph Langfuse smolagents RAG AI Agents Embeddings Semantic Search Prompt Engineering Function Calling Tool Use Structured Outputs LLM Evaluation


⚙️ Backend & Systems Design

REST API Microservices Event-Driven Architecture System Design Multi-Tenant SaaS Business Logic


💻 Frontend

React Native


🗄 Databases

Drizzle ORM Neon Schema Design Embedding Retrieval


☁️ Cloud & DevOps

Fly.io Serverless CI/CD QStash Production Debugging AI Coding Agents PR Automation


👨‍💼 Engineering Leadership

Technical Leadership Delivery Ownership Code Review Engineering Process Design


Currently interested in

  • AI infrastructure
  • Distributed systems
  • Backend architecture
  • LLM applications
  • Open-source tooling

📩 Available for freelance projects
💬 Contact: [email protected]

Pinned Loading

  1. Chat-PDB Chat-PDB Public

    Chat with your Python debugger

    Python

  2. DocumentAI-Analysis-Platform DocumentAI-Analysis-Platform Public

    Intelligent Document Analysis Platform. Processes 100-page PDFs in 30 seconds, Answers questions with 90%+ accuracy and supports multiple AI models with intelligent fallback

    TypeScript

  3. AI_ChatBot AI_ChatBot Public

    Python

  4. TTS_LOCAL_ONLY TTS_LOCAL_ONLY Public

    Free Text-to-Speech Application - Edge TTS + Piper TTS

    Python

  5. ComfyUI-LevelPixel-Enhanced ComfyUI-LevelPixel-Enhanced Public

    LevelPixel Advanced Nodes for ComfyUI

    Python

  6. Mern-marketplace- Mern-marketplace- Public

    About A MERN stack based online marketplace application [Full-Stack React Projects]

    JavaScript