Backend SWE — LLM/ML systems
Repositories
jigangz/quant-ai
Multi-task financial-ML platform - meta-labeling + cross-sectional ranking. FastAPI, Kafka, Kubernetes, 59 endpoints, 470+ tests. Honest metrics, live demo.
jigangz/jigangz
Profile README
jigangz/ai-voice-receptionist
Talk to an AI receptionist in your browser — it answers out loud from the business's info and assembles a qualified lead live. Voice sibling of ai-front-desk; web-voice now, real phone via Vapi/Retell. Next.js + Groq Whisper + Llama 3.3.
jigangz/smart-scraper
Web-scraping platform - FastAPI + Celery + Next.js dashboard over the Scrapling stealth engine (Cloudflare bypass, fingerprint/canvas fixes). Scheduled re-runs, webhooks.
jigangz/trustrag
Trust-scored RAG: hybrid retrieval (pgvector + BM25 + RRF), a LangGraph multi-hop agent, an MCP server, and 3 PyPI packages.
jigangz/content-search-backend
Semantic search API on pgvector - <200ms latency, JWT auth, FastAPI.
jigangz/url-to-spreadsheet-django
Django edition - AI scrape-to-CSV + scheduled re-scrape & email-on-change. Full Django stack: ORM, admin, Celery beat, DRF, HTMX, 28 tests, docker compose.
jigangz/ai-front-desk
AI receptionist grounded in a business KB - qualifies visitors into scored leads (hot/warm/cold) and delivers to inbox/Slack/CRM. Groq Llama 3.3, Next.js.
jigangz/url-to-spreadsheet
Paste a URL, AI picks the columns, get a clean CSV. Auto-escalates from instant fetch to a stealth anti-detection engine. Groq Llama 3.3, Next.js.
jigangz/inbox-autopilot
AI email triage - classify, extract leads & draft replies live from IMAP. Groq Llama 3.3 (JSON-validated), prompt-injection hardened, human-in-the-loop. Next.js + n8n.
jigangz/ask-your-docs
RAG document Q&A with clickable citations that refuses to hallucinate - hybrid retrieval (dense + BM25 + RRF), Groq Llama 3.3, in-browser embeddings, Next.js.
jigangz/stockvision
StockVision - Desktop stock analysis app (仿通达信)
jigangz/vllm
A high-throughput and memory-efficient inference and serving engine for LLMs
jigangz/markitdown
Python tool for converting files and office documents to Markdown.
jigangz/dify
Production-ready platform for agentic workflow development.
jigangz/openclaw
Your own personal AI assistant. Any OS. Any Platform. The lobster way. 🦞
jigangz/Clawith
OpenClaw for Teams
jigangz/nautobot
Network Source of Truth & Network Automation Platform
jigangz/astronomer-cosmos
Run your dbt Core or dbt Fusion projects as Apache Airflow DAGs and Task Groups with a few lines of code
jigangz/ESPAlert
Real-time weather, seismic & traffic alerts for Spain in one open-source map. Official data from AEMET · IGN · DGT · MeteoAlarm. WebSockets, PostGIS, LoRa mesh radio. Works even when internet fails. FastAPI + Next.js · AGPL-3.0
jigangz/icalendar
icalendar parser library for Python
jigangz/gutenberg
The Block Editor project for WordPress and beyond. Plugin is available from the official repository.
jigangz/AstrBot
Agentic IM Chatbot infrastructure that integrates lots of IM platforms, LLMs, plugins and AI feature, and can be your openclaw alternative. ✨
jigangz/PokieTicker
jigangz/crawlith
Crawlith — Deterministic crawl intelligence.
jigangz/kana-dojo
Aesthetic, minimalist platform for learning Japanese inspired by Duolingo and Monkeytype, built with Next.js and sponsored by Vercel. Beginner-friendly with plenty of good first issues - all contributions are welcome!
jigangz/edufunnel
EduFunnel - Education marketing landing page with conversion funnel tracking. Built with Next.js, Express, TypeScript, Tailwind CSS, and PostgreSQL.
jigangz/job-tracker-mvp
Job Tracker MVP: Next.js + FastAPI + PostgreSQL