AI Prompt Engineer to Optimize System Prompt for Legal Contract Review Engine (GPT‑5.1)

Remote, USA
Posted Jun 15, 2026
Full-time

## Job Description

We are looking for an experienced AI/Prompt Engineer to enhance and optimize the system prompt powering our AI-based legal contract review engine built on GPT‑5.1.

This is a short, clearly scoped task expected to take approximately 2 hours.

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## About the Project

We have an AI tool that reviews legal contracts (e.g., NDAs, service agreements, employment contracts) and identifies:

- Key clauses

- Risks and red flags

- Obligations

- Missing or unusual terms

- Suggested improvements

The tool is functional but needs improvement in consistency, structure, and reliability.

We will provide:

- ✅ Our current system prompt

- ✅ 3 sample contracts for testing

- ✅ Example outputs (if needed)

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## Scope of Work

Your task is to:

- Review and analyze our existing system prompt

- Rewrite and optimize the system prompt for:

- Higher accuracy in clause identification

- Clearer risk analysis

- Reduced hallucinations

- More structured and professional output

- Improve output formatting (e.g., risk level, clause category, explanation, recommendation)

- Add few-shot examples if necessary

- Test against the 3 provided contracts

- Iterate and refine within the 2-hour session

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## Deliverables

- ✅ Optimized system prompt (clean and production-ready)

- ✅ Short explanation of what you changed and why

- ✅ Before vs. after comparison using the 3 sample contracts

- ✅ Suggestions for further improvements (optional but appreciated)

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## Requirements

- Strong experience with LLM prompt engineering (GPT models required)

- Experience working with structured outputs and system prompts

- Ability to think critically about edge cases and hallucination risks

- Clear communication and fast iteration

- Ability to complete the task within ~2 hours

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## Preferred (Nice to Have)

- Experience in legal AI or contract analysis tools

- Experience improving reliability in high-precision domains

- Familiarity with structured JSON outputs or function calling

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## Budget & Timeline

- Hourly Rate: $50–$90/hour

- Estimated Duration: ~2 hours

- Type: One-time task (potential for ongoing collaboration)

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## To Apply

Please include:

1. A brief summary of your prompt engineering experience

2. An example of a system prompt you’ve improved

3. Your approach to optimizing a legal contract review system

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