AI Software Engineer / LLM Developer (E)

Brazil, Brazil, Brazil • Posted June 03, 2026

Job Type: Full-time

Location: Brazil, Brazil

Posted: June 03, 2026

Category: Computer Occupations

Application Deadline: July 13, 2026

Role Description

At 5411 Hub, a consulting firm specialized in IT recruitment, we are currently seeking a highly skilled AI Software Engineer / LLM Developer to join the team of a leading U.S.-based technology company, working 100% remotely.
About the Role:
This role involves designing, testing, and optimizing prompts, as well as engineering AI solutions using Large Language Models (LLMs) — including fine-tuning, embedding implementation, and other advanced techniques.
Key Responsibilities:
Design and optimize prompts for AI/LLM use cases.
Develop, test, and deploy solutions using LLMs (e.g., fine-tuning, embeddings).
Collaborate with cross-functional teams to ensure high-performance AI systems.
Contribute to the innovation of AI-driven products and features.
If you’re interested in being part of a team focused on innovation, ad tech, and continuous growth, app...
                

Interested in this role?

Click the button below to start your application for AI Software Engineer / LLM Developer (E) at REKLUT.
Apply Now