Senior ESL Curriculum & AI Prompt Engineer

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TYPE OF WORK

Any

SALARY

$5 / hour

HOURS PER WEEK

20

DATE UPDATED

Sep 3, 2026

JOB OVERVIEW

We’re looking for an experienced ESL professional to help improve the AI prompts behind our teaching platform.

What you’ll do

- Write, fix, and improve prompts for English lessons and exercises
- Test prompts and identify why outputs are not working well
- Use OpenAI Codex and Claude Code to run tests
- Review AI-generated content for quality and CEFR level accuracy
- Create test cases and compare results after prompt changes
- Help improve our curriculum, exercises, assessments, and learning content
- The position is 4 hours per day, 5 days per week, for a total of 20 hours per week.

Requirements

- English level: C1–C2
- Senior teacher, curriculum developer, teacher trainer, or similar experience
- Strong educational English content-writing experience
- Strong knowledge of CEFR and English curriculum design
- Excellent at prompt writing, debugging, and testing
- Comfortable using OpenAI Codex and Claude Code
- Comfortable working with basic JSON, Markdown, and Git
- Able to work independently and test your own prompt improvements
- Available for a short daily standup at 9:00 or 10:00 AM Philippine Time (PHT)

Nice to have

- Experience with AI/LLM evaluation
- Experience with EdTech or ELT publishers
- DELTA, MA TESOL, Applied Linguistics, or similar qualification
- Experience creating digital English-learning materials


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Please answer following questions:

- Have you professionally written English-learning materials, lessons, assessments, or curriculum? Please share 1–2 examples.
- Have you designed English lesson slides or other educational presentation materials? Please share examples if available.
- Any experience with Codex, Claude Code and ChatGPT?

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