Senior AI Engineer

New
J
JobgetherAI media planning
Based in BrazilFull-TimeSenior
Salary not disclosed
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Job Details

Languages
Advanced or fluent English communication skills, both written and verbal
Required Skills
PythonCI/CDAWS LambdaPrompt Engineering

Requirements

  • Bring solid professional experience in AI engineering, machine learning engineering, or software development involving production AI applications.
  • Demonstrate strong proficiency in Python, including developing APIs, integrations, and automated tests.
  • Have hands-on experience building applications powered by Large Language Models (LLMs).
  • Have experience implementing agentic AI workflows.
  • Have experience with prompt engineering, LLM orchestration, and structured output generation.
  • Have practical experience evaluating LLM outputs, designing testing strategies, and measuring AI application quality.
  • Understand LLM limitations, including hallucinations, response variability, and reliability challenges.
  • Have experience with AWS services such as Bedrock, Lambda, S3, or CloudWatch, or similar cloud technologies.
  • Have strong knowledge of software engineering best practices, CI/CD, and cloud-based application development.
  • Have strong analytical, troubleshooting, and problem-solving skills for investigating complex agent behavior.
  • Have advanced or fluent English communication skills, written and verbal.

Responsibilities

  • Design, develop, and maintain AI agents and LLM-powered applications using Python and AWS services.
  • Implement prompt engineering, agent orchestration, structured outputs, and intelligent decision-making workflows.
  • Develop evaluation frameworks to measure agent accuracy, reliability, consistency, and performance.
  • Establish performance baselines, automated tests, and regression validation processes.
  • Implement guardrails and validation mechanisms for AI-generated outputs.
  • Build information retrieval, filtering, ranking, and selection strategies using LLMs.
  • Investigate and resolve hallucinations, incorrect interpretations, and inconsistent agent responses.
  • Develop end-to-end AI features integrating LLMs with backend APIs, document processing, and cloud infrastructure.
  • Improve agent observability through execution tracing, session tracking, and production monitoring.
  • Optimize LLM performance, latency, and operational costs through experimentation.
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