AI Engineer (Prompt) - Remote Work

BairesDev; Rio de Janeiro; Remote; BRL 452,000 - 652,000; Full time

Benefits offered by this job

Remote work

Competitive USD salary

Home office setup

Flexible hours

Parental leave

Mentorship & growth

Job summary

BairesDev is seeking an AI Engineer (Prompt) to design, refine, and evaluate prompts for language models, ensuring outputs are accurate, safe, and aligned with domain requirements across complex contexts.

You will implement evaluation frameworks, develop intent classification patterns, collaborate with domain experts to tailor outputs for legal, compliance, or specialized use cases, and drive prompt iteration from development to production.

Qualifications

• 4+ years of experience in AI Engineering, Prompt Engineering, or NLP.
• Proven expertise in designing, refining, and evaluating prompts for LLMs.
• Strong ability to implement structured output designs and evaluation methodologies.
• Hands-on experience with intent classification patterns and prompt iteration workflows.
• Proficiency in Python for testing and automating prompt engineering tasks.
• Advanced proficiency in English.

Responsibilities

• Design and optimize prompts to elicit structured responses from AI models.
• Implement evaluation methodologies to measure and iterate on prompt performance.
• Develop intent classification patterns to ensure model understanding of requests.
• Collaborate with domain experts to tailor outputs for legal, compliance, or specialist use cases.
• Validate model outputs against safety and quality rubrics to minimize hallucinations and bias.
• Partner with tech teams to productionize refined prompt strategies.

Skills

AI engineering

Prompt engineering

Natural Language Processing

Intent classification

Evaluation methodologies

Structured output design

English proficiency

Tools

Python

Job description

At BairesDev®, we've been leading the way in technology projects for over 15 years. We deliver cutting-edge solutions to giants like Google and the most innovative startups in Silicon Valley.

Our diverse 4,000+ team, composed of the world's Top 1% of tech talent, works remotely on roles that drive significant impact worldwide.

When you apply for this position, you're taking the first step in a process that goes beyond the ordinary. We aim to align your passions and skills with our vacancies, setting you on a path to exceptional career development and success.

AI Engineer (Prompt) at BairesDev

As an AI Engineer (Prompt), you will specialize in the design, refinement, and evaluation of prompts to guide large language models toward high-quality, desired outputs. You will ensure that AI interactions remain accurate, safe, and aligned with specific domain requirements, particularly in complex or regulated contexts.

What You'll Do:

• Design and optimize sophisticated prompts to elicit structured and relevant responses from AI models.
• Implement robust evaluation methodologies to measure and iterate on prompt performance and reliability.
• Develop intent classification patterns to ensure models accurately understand and process user requests.
• Collaborate with domain experts to refine model outputs for legal, compliance, or specialized professional use cases.
• Validate model outputs against safety and quality rubrics to minimize hallucinations and bias.
• Partner with technical teams to integrate refined prompt strategies into production-ready AI applications.

What we are looking for:

• 4+ years of experience in AI Engineering, Prompt Engineering, or Natural Language Processing.
• Proven expertise in designing, refining, and evaluating high-quality prompts for LLMs.
• Strong proficiency in implementing structured output designs and evaluation methodologies.
• Hands-on experience with intent classification patterns and prompt iteration workflows.
• Practical knowledge of Python for testing and automating prompt engineering tasks.
• Advanced proficiency in English.

How we do make your work (and your life) easier:

• 100% remote work (from anywhere).
• Excellent compensation in USD or your local currency if preferred
• Hardware and software setup for you to work from home.
• Flexible hours: create your own schedule.
• Paid parental leaves, vacations, and holidays.
• Innovative and multicultural work environment: collaborate and learn from the global Top 1% of talent.
• Supportive environment with mentorship, promotions, skill development, and diverse growth opportunities.