Weipeng Z.

Your product works, but the code underneath is slowing you down. I'm a fractional CTO and AI systems architect (ex-Meta, Expert-Vetted, top 1% on Upwork). I review, stabilize and extend AI-heavy web apps, and build new ones with a small senior team. Top 1% 𝐔𝐩𝐰𝐨𝐫𝐤 𝐄𝐱𝐩𝐞𝐫𝐭-𝐕𝐞𝐭𝐭𝐞𝐝 | Ex-Meta Senior Data Scientist | PhD (ABD) Georgia Tech I lead a team of 8 senior engineers (ex-Meta, ex-IBM, Georgia Tech PhDs) who build AI systems and custom software in weeks — not months. What makes us different: We build a working prototype of your project before you pay us anything. 90% of clients who see a demo move forward. 𝐖𝐡𝐚𝐭 𝐰𝐞 𝐛𝐮𝐢𝐥𝐝: → AI-powered automation (chatbots, document processing, lead routing, multi-agent systems) → Custom web applications (dashboards, portals, internal tools) → Data infrastructure (pipelines, analytics, ML models) → Voice AI & conversational systems (1,000+ daily conversations in production) 𝐑𝐞𝐬𝐮𝐥𝐭𝐬: • 50+ production applications shipped • 7,000+ users scaled on a single platform • $500K+ in revenue generated for client systems • AILA Technology Innovation Award winner • Fractional CTO at the largest immigration law firm in Dallas Our proprietary AI development toolkit lets us deliver at speeds that surprise even technical buyers. 𝐁𝐞𝐬𝐭 𝐟𝐢𝐭: Startups and SMBs who need production-quality AI systems or custom software built fast by senior engineers. Greenfield projects are our sweet spot. 𝐓𝐞𝐜𝐡 𝐬𝐭𝐚𝐜𝐤: Python, React, Next.js, Node.js, GCP, AWS, Claude/Anthropic, OpenAI, LangChain, RAG, vector databases, fine-tuning, multi-agent orchestration. Book a call → we'll show you a working demo of your idea before you commit.