Mark Bright
AI Engineer · LLM MVPs in 2–4 weeks · Python & Next.js
New to Contra
Mark is building their profile!
RAG is not the bottleneck. Your data is.
Everyone's tweaking embeddings, swapping models, A/B testing prompt formats. Then they ship. Then the bot still hallucinates.
Here's where I usually see things break:
🚫 What people debug
• "Maybe gpt-4o is the wrong model"
• "Try a...
Hi, I'm Mark. I build AI products and SaaS MVPs.
Most of what I do these days lands in two buckets:
Chatbots and small agents that actually use a company's own data, with sources you can click on.
Full Next.js + Python apps for founders who need a real product in 2 to 4 weeks, not...