Remote Prompt Engineer — LLM Systems & Guardrails

Moonfire; Detroit (MI); Remote; USD 130,000 - 180,000; Full time

Benefits offered by this job

Fully remote-friendly within the US

Competitive salary and meaningful

Equity included

Medical, dental and vision covered

401(k) with company match

Unlimited PTO with a 3-week minimum

Learning budget

Home office stipend

Job summary

AIApply is hiring a Prompt Engineer to join our remote team across the United States. You will design, test and maintain prompt systems for resume rewriting, cover letters and interview coaching, treating prompts as versioned production assets.

You will build evaluation loops, benchmark models, reduce hallucinations, tune tone and cost, and document architecture for engineers. Compensation ranges from $130k to $180k plus equity, with full health coverage, a 401(k) match and generous PTO.

Qualifications

• 2+ years hands-on with LLMs in production.
• Strong writing and editorial judgement.
• Comfortable scripting in Python.
• Remote work within US time zones.

Responsibilities

• Design and version prompt systems across product surfaces.
• Build automated and human evaluation loops.
• Benchmark models and recommend the right one per task.
• Reduce hallucination and unsafe output with guardrails.
• Tune for tone, accuracy and cost together.
• Document prompt architecture for engineers.

Skills

Prompt engineering

LLM evaluation

Python

Few-shot design

Guardrails

Model comparison

Data annotation

Content quality

Experimentation

Job description

AIApply is hiring a Prompt Engineer to join our remote team across the United States. You will design, test and maintain prompt systems for resume rewriting, cover letters and interview coaching, treating prompts as versioned production assets.

You will build evaluation loops, benchmark models, reduce hallucinations, tune tone and cost, and document architecture for engineers. Compensation ranges from $130k to $180k plus equity, with full health coverage, a 401(k) match and generous PTO.