Brightstar.AI
Applied AI Engineer Intern - Advancing Agent Quality
Miami · On-site · Internship · Posted Sep 24, 2026
- Experience
- 1 year with LLMs or agents; 2 years with machine learning and deep learning.
- Education
- Currently enrolled in a Masters or PhD program—or serving as a postdoctoral or early-career academic researcher—in Artificial Intelligence, Machine Learning, Computer Science, Computational Linguistics, or a related field.
About the job
Build evaluation systems and diagnostic tools for Brightstar.AI’s agents, initially for its AI Twin Board product, while contributing research perspectives to its AI Think Tank.
What you'll do
- Design realistic agent environments and task suites; develop LLM judges and benchmark agents against frontier models.
- Analyze agent trajectories and failure modes, build diagnostic tools, and feed improvements into prompts, harnesses, and architecture.
- Create datasets and reward signals from interactions, support model fine-tuning and post-training, and contribute research insights to the Think Tank.
What they ask for
- Currently enrolled in a master’s or PhD program, or a postdoctoral or early-career academic researcher, in a related field.
- 1 year of research, project, or professional experience with LLMs or agents; 2 years of experience with machine learning and deep learning.
- Experience in software engineering and cloud-based development.
- Experience with agent builders; ability to explain complex technical concepts to non-technical executive audiences.
Nice to have
- Hands-on experience with LLM or agent evaluation systems, such as autoraters, human-evaluation pipelines, benchmark design, or evaluation infrastructure.
- Experience with multi-agent orchestration, retrieval-augmented generation, tool-use reliability, or relevant active research or publications.
Tools
LLMs, Agents, OpenSDK, OpenAI Agent Builder
AI focus
Agent evaluation and quality; automated judging, benchmarking, failure analysis, verifier generation, and data and reward signals for fine-tuning and post-training; AI research and Think Tank analysis.
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