Duong K.
Full Stack AI Developer | AI SaaS, Automation & MVP Development
👨💻 With 10+ years of software development experience, I build production-ready AI and full-stack systems, from MVPs to scalable products used by real users. 👉 Portfolio: ai-research.dev 📌 What I Do - AI Systems & Automation - RAG, LLMs, AI agents, vector search, document intelligence, and workflow automation. 📌 AI SaaS & MVPs - Turn ideas into working products quickly, then improve and scale based on real usage. 📌 Full-Stack Development - Frontend, backend, databases, APIs, integrations, and cloud infrastructure. 📌 Backend & Data Systems - Scalable APIs, data pipelines, multi-tenant systems, background jobs, and third-party integrations. 📌 Tech Stack - AI: OpenAI, Claude, Gemini, Ollama, LangChain, LangGraph, LlamaIndex - Computer Vision: YOLO, RF-DETR, OpenCV, ONNX, TensorRT - Backend: Python/FastAPI, Node.js, NestJS, Express, Laravel - Frontend: React, Next.js - Data: PostgreSQL, MySQL, MongoDB, Redis, Supabase, pgvector, Qdrant, Pinecone - Cloud: AWS, GCP, Cloudflare, Docker, SST - Mobile: React Native, Swift, Kotlin 🚀 If you need someone who understands AI, product development, and the engineering required to ship it to production, let’s talk.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $1.5k
Billed in all: $34,567$35k
$1.5k in the last 6 months
Across 30 contracts
Earnings, last 30 days
Skill rankings: Top 17% in Azure Machine Learning
Ranked by MRR among everyone on Upwork with the skill.
- #16Azure Cognitive Services48 freelancers · 🇻🇳 #2Top 33%🇻🇳#2 of 2
- #20OpenAI Embeddings106 freelancers · 🇻🇳 #1Top 19%🇻🇳#1 of 2
- #22Azure Machine Learning132 freelancers · 🇻🇳 #1Top 17%🇻🇳#1 of 2
- #71Hugging Face300 freelancers · 🇻🇳 #2Top 24%🇻🇳#2 of 5
- #318NodeJS Framework1,512 freelancers · 🇻🇳 #11Top 21%🇻🇳#11 of 51
- #345PyTorch1,585 freelancers · 🇻🇳 #6Top 22%🇻🇳#6 of 19
- #388Vector Database1,142 freelancers · 🇻🇳 #2Top 34%🇻🇳#2 of 6
- #588Deep Learning2,743 freelancers · 🇻🇳 #6Top 21%🇻🇳#6 of 21