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Agentic & RL Envs

AI Workflow Engineer (LLM Integration & Prompt Engineering)

OpenTrain AI logoOpenTrain AI$15–$45/hrRemote, most countriesContractPosted 7mo ago

The middle of its range, $30/hr, is below the $65/hr median of the Agentic Tasks & RL Environments roles open now, whose typical pay runs $50–$120/hr. How that pay moves week by week is in our research on Agentic Tasks & RL Environments work.

Half of all Agentic Tasks & RL Environments roles come down within 13.3 days of being listed, and 40.6% are still up after four weeks. This one was posted 214 days ago.

About the role

The work

You will help integrate large language models into automation workflows. The work combines prompt engineering, workflow design, output review, and repeated testing to make AI systems more useful and reliable.

You will work on practical automation pipelines for content generation, communication, and personalized outreach. You will also review generated responses and improve how the systems handle inputs and produce results.

  • Design real-world AI automation pipelines.
  • Write, test, and refine prompts for large language models.
  • Structure inputs to improve model outputs.
  • Create and improve evaluation criteria.
  • Review generated content for quality and reliability.
  • Work with fine-tuning, human feedback, coding tasks, and function calling.

What it pays and takes

This is an intermediate, part-time contractor role open worldwide. The project requires at least 20 hours per week and focuses on LLM integrations and prompt engineering.

  • Pay: $15 to $45 per hour.
  • Hours: 20 or more per week.
  • Work arrangement: Part-time contract work.
  • Location: Open worldwide.
  • Experience: Intermediate level.
  • Focus: Large language model integrations, prompt engineering, evaluation, and AI workflow design.

How it works

Apply on OpenTrain. The employer reviews applications there.

About AI training work

AI training is the human work behind systems that generate text, follow instructions, and complete tasks. People write prompts, review responses, and provide feedback so models become more accurate and reliable.

Where you can work

This role is 100% remote: you can work from any country except Andorra, Afghanistan, Barbados, Burkina Faso, Burundi, Brazil, Belarus, Belize, DR Congo, Central African Republic, Congo (Republic), Cameroon, China, Cuba, Cape Verde, Djibouti, Dominica, Eritrea, Fiji, Micronesia, Grenada, Georgia, Guinea, Equatorial Guinea, Guinea-Bissau, Honduras, Haiti, Iraq, Iran, Kyrgyzstan, Kiribati, Comoros, St. Kitts and Nevis, North Korea, Lebanon, Liberia, Lesotho, Libya, Montenegro, Marshall Islands, Mali, Myanmar, Mauritania, Maldives, Malawi, Nicaragua, Nepal, Nauru, Papua New Guinea, Palestine, Palau, Russia, Solomon Islands, Seychelles, Sudan, Sierra Leone, Somalia, Suriname, South Sudan, São Tomé and Príncipe, Syria, Eswatini, Chad, Togo, Tajikistan, Timor-Leste, Turkmenistan, Tonga, Tuvalu, Ukraine, Uganda, Vatican City, St. Vincent and Grenadines, Venezuela, Vanuatu, Samoa, Yemen, Zambia and Zimbabwe.

From OpenTrain AI's job posting, checked 29 Oct 2026.

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