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hansparson/README.md

Hi there, I'm Hans Parson 👋

Software Engineer (Backend, Frontend & IoT)

I am a results-driven Software Engineer and IoT Specialist with an Electrical Engineering background and over 5 years of professional experience in backend development. I specialize in building high-performance RESTful APIs, secure transaction systems, and IoT integrations using Go (Golang) and Python.

💻 Tech Stack & Skills

  • Core Backend & DB: Golang, Python (FastAPI, Flask), PHP, Java, PostgreSQL, MySQL, Redis, MongoDB
  • Frontend Frameworks: React, Flutter (Cross-platform Mobile & Web)
  • DevOps & Infrastructure: Docker, Nginx, Linux (Ubuntu), VPS Deployment, GitLab CI/CD, Git/GitHub
  • IoT & Hardware: Embedded Systems, Arduino, NodeMCU, LoRa, Mesh Topology, PLC
  • AI Tools & Productivity: AI-Assisted Development (Vibe Coding), Cursor, Copilot, LLM Prompt Engineering, RAG

💼 Professional Experience

  • Back End Developer at PT Verihubs Inteligensia Nusantara (Feb 2024 - Present)
    • Developing high-availability APIs, merchant integrations, identity verification systems, and Face Recognition/AML services in Go & Python.
  • Back End Developer at PT MNC Teknologi Nusantara (MotionPay) (Aug 2022 - Feb 2024)
    • Developed core e-money platform features, processing high-volume payments & top-ups. Implemented Bank Indonesia SNAP standard APIs.

🚀 Technical Projects

🛒 Gostar – Full-Stack C2C Marketplace Platform

  • Tech Stack: Golang (Echo), React, Flutter, Docker, Nginx, DANA API
  • Highlights: Engineered a cross-platform marketplace app (iOS/Android with Flutter, Web with React) integrated with DANA payment gateway, containerized using Docker and load-balanced via Nginx.

📡 card-tracker-be – Long-Range (LoRa) Live Device Tracker

  • Tech Stack: Go (Golang), Gin, GORM, PostgreSQL, WebSockets, Arduino, Mesh Topology
  • Highlights: Telemetry system utilizing hardware transceivers to transmit geolocation. Designed a peer-to-peer mesh network topology and real-time WebSocket dashboard in React connected to a Go backend.

🤖 llm-langchain-data-explain – Autonomous Local AI Chatbot Orchestrator

  • Tech Stack: Ollama, LangChain, Python, Retrieval-Augmented Generation (RAG)
  • Highlights: Deployed an independent conversational AI application running localized LLMs via Ollama to maximize data privacy. Developed multi-turn chat memory structures and prompt pipelines.

📊 GitHub Stats

Hans's GitHub stats Top Langs

📫 Connect with Me

Pinned Loading

  1. MarketPlace MarketPlace Public

    Dart

  2. card-tracker-be card-tracker-be Public

    Go

  3. hansparson.github.io hansparson.github.io Public

    CSS

  4. llm-langchain-data-explain llm-langchain-data-explain Public

    llm-langchain-data-explain

    Python

  5. Metatrader5-XAUUSD-Bot Metatrader5-XAUUSD-Bot Public

    Python

  6. XYZ-MultiFinance XYZ-MultiFinance Public

    Go