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$
USD
I will do expert prompt engineering and write custom system prompts
Chris D
About this gig
I engineer prompts and system prompts that actually get the output you want reliably, not by luck. Whether you're building on ChatGPT, Claude, Gemini, or an open-weight model, I'll craft and test prompts tuned to your exact task, tone, and constraints, and show you why they work so you can adapt them.
Solo founder, BS in Artificial Intelligence (IU Indianapolis), U.S. military background. I build and run LLM systems in production daily, so I write prompts from real engineering experience not copied templates.
What you can get: single high-performance prompts, full system prompts for apps and agents, few-shot example sets, and reusable prompt templates for your workflow.
Get to know Chris D
Chris D
AI Infrastructure Engineer, Local LLMs, RAG, AI Agents, Vector DBs
- FromUnited States
- Member sinceAug 2025
- Avg. response time1 hour
- Last delivery1 week
Languages
English
I build private AI systems that run on YOUR hardware. No cloud, no data leaving the building. My own lab runs dual-GPU NVIDIA inference (RTX 5090) serving quantized models through vLLM, with a self-hosted RAG pipeline, vector store, and knowledge graph over terabytes of my own operational data. I use what I sell daily. Background: BS in Artificial Intelligence, US military veteran, solo founder of a 120+ app Android portfolio with live ad and IAP monetization. I deliver working systems, documented and reproducible, not slide decks. If it needs to run offline and never fail, that's my lane.
FAQ
Which AI models do you support?
All major ones — ChatGPT/GPT, Claude, Gemini, and open-weight models like Llama, Qwen, and Mistral.
Will the prompts keep working?
I test them before delivery and include usage notes so you can adapt them as your needs change.
Can you write a system prompt for my app or agent?
Yes — that's the Premium package: a full system prompt plus templates and examples built for your workflow.
