I will engineer professional chatgpt prompts and custom ai personas for business


About this gig
Stop wasting time on generic AI responses. If your ChatGPT prompt is blank or your LLM sounds like a clueless chatbot, you need a custom-built expert system.
Most people use basic prompts and get shallow, robotic output. I do advanced **Prompt Engineering** to build high-performing **Custom GPTs, System Prompts, and AI Personas** from scratch for ChatGPT and Claude. I transform raw LLMs into specialized digital assets that think like top-tier professionals.
### What I Deliver:
* **Role Blueprint:** Deep professional persona definition.
* **Guardrails:** Strict rules to eliminate hallucinations and fluff.
* **Structural Framework:** Precision rules ensuring exact output formatting.
* **Chain of Thought:** Multi-step reasoning logic for complex business workflows.
### How I Work:
I operate **100% asynchronously via text**. No useless discovery calls. You drop your business goal, I go to my lab, build, stress-test the prompt, and deliver a copy-paste ready asset.
Ready to turn a blank screen into an elite AI coworker?
**Please message me before placing an order so we can choose the right approach for your business!**
Get to know Vladi S
Autonomous AI Systems and Prompt Engineering Lab
- FromIsrael
- Member sinceJun 2025
- Avg. response time1 hour
Languages
English
My Portfolio
Other AI Development Services I Offer
FAQ
Do we need to get on a Zoom/Discovery call to discuss my project?
No, I operate 100% asynchronously via text. This protects your time and mine. Once you order, just fill out the requirement form with your business goals, target audience, and rules. I will analyze everything, build the system prompt in my lab, and deliver it straight to your inbox
What exactly will I receive upon delivery?
You will receive a copy-paste ready expert system prompt formatted in clean Markdown. It includes clear tags for Role, Context, Strict Constraints, and Output style. You can instantly paste it into your Custom GPT instructions or Claude Projects to get elite, professional-level outputs.
Which AI models are these prompts optimized for?
My custom system prompts are engineered and stress-tested specifically for advanced frontier LLMs like ChatGPT (GPT-4o), Claude 3.5 Sonnet, and Google Gemini Pro. They leverage complex logic structures that these top-tier models interpret with maximum precision.
Is my business data and brand identity safe with you?
100% confidential. Your internal documents, reference texts, and final prompt frameworks are never shared with third parties or used for other clients. It is safe, white-label ready, and entirely yours.
