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DISSIDIA-986/README.md

Hi, I'm Yupo (Jason) Niu — AI / Full-Stack Engineer based in Calgary, AB 🇨🇦

🟢 Open to work — PGWP work-authorized, no employer sponsorship required. Available immediately for permanent full-time roles in Calgary or remote Canada.

📬 Reach me: yupoca24@gmail.com · LinkedIn · portfolio.dissidia.tech · Resume (PDF)


What I do

17 years of production engineering. 8 years as Team Lead at a publicly traded company designing decision automation systems — financial pricing engines, real-time risk scoring, approval workflow platforms. Now applying that same foundation to LLM and agentic systems: multi-agent orchestration with provider fallback chains, enterprise RAG, LLM evaluation pipelines.

Recently graduated SAIT (April 2026): Post-Diploma Certificates in Integrated AI (3.92 GPA) and Data Analytics (4.0 GPA), 15 of 16 courses A+.

Stack

Python FastAPI LangChain LangGraph pgvector PyTorch XGBoost · Java Spring Cloud Kafka Kubernetes · Go Swift · React Next.js TypeScript React Native · PostgreSQL Redis · Docker GCP Vercel

Pinned projects

Project What it does
go-mcp-bridge MCP bridge that lets an LLM agent drive an existing Go ticketing service — authorization gates live in the bridge, so the agent can't exceed its permissions
Industry-AI-Flow Enterprise RAG platform on LangChain — BM25 + pgvector hybrid retrieval over multi-format document corpus (PDF, DOCX, scanned via PaddleOCR)
AI Ops Control Room LLM-as-Judge evaluation pipeline (Qwen 3.5 simulates customer, DeepSeek V3 evaluates on DeepEval, 3-dimension rubric) — React + FastAPI
Talk2Type Native macOS dictation daemon in Swift — global hotkey, 8 ASR providers (OpenAI, Groq, DashScope, Tencent, Baidu, iFlytek, AssemblyAI, Speechmatics), transcribes and pastes straight into the active field
Hockey Puck Tracker Computer vision demo — YOLO baseline + RF-DETR/RT-DETR for puck detection, multi-object tracking, trajectory visualization
Fruit Ninja AI Gesture-controlled WebGL game — MediaPipe real-time hand tracking + Three.js 3D rendering on Alibaba Cloud ESA edge
diabetes-prediction-app End-to-end ML pipeline for diabetes risk prediction — PyCaret + Streamlit, deployed on Streamlit Cloud
CELPIP-Compass Full-stack spaced-repetition learning system — Next.js 16 + Prisma + PostgreSQL + Redis, Jest + Playwright coverage

Live portfolio site: portfolio.dissidia.tech (Next.js 16 + React 19 + Tailwind v4, deployed on Vercel)

How I think about engineering

I treat AI features the same way I treat any production system: explicit interfaces, reliability stacks (circuit breakers, retries, structured output), observability, and tests.

I keep a few production projects private (multi-tenant SaaS work, prior Havenz Tech codebase) — happy to walk through architecture and code in interviews.

JobPilot AI is one of those — an autonomous multi-agent job pipeline orchestrating 5 LLM providers (GLM, Qwen, DeepSeek, GROQ, Ollama) with circuit breakers, structured Pydantic output, and per-task fallback chains. Live demo at jobpilot.dissidia.me (login required, self-hosted on Cloudflare).


If you're hiring for AI / LLM Engineer, Senior Full-Stack with AI scope, or AI Platform / MLOps roles in Calgary or remote Canada — let's talk.

Pinned Loading

  1. Industry-AI-Flow Industry-AI-Flow Public

    Python 2

  2. ai-ops-control-room ai-ops-control-room Public

    TypeScript

  3. ATV-Bilibili-demo ATV-Bilibili-demo Public

    Forked from yichengchen/ATV-Bilibili-demo

    功能完整的 Apple TV (tvOS) 哔哩哔哩客户端 — 直播弹幕 · HDR/杜比视界 · 港澳台解锁 · 弱网防卡顿 · 免费账号一键部署。增强 Fork。

    Swift 3

  4. go-mcp-bridge go-mcp-bridge Public

    MCP bridge over a Go ticketing platform: LLM agents (Claude Code/Codex/Gemini) book, refund, and 验票 tickets via MCP tools/resources/prompts behind a Figma-style consent + scope gate. Postgres/Redis…

    Go

  5. Rehearse Rehearse Public

    本地离线英语对话练习助手 / Fully-local offline English speaking-practice voice assistant for Apple Silicon (faster-whisper + Ollama qwen3.5 + Kokoro)

    Python

  6. toastmasters-evaluation toastmasters-evaluation Public

    TypeScript