Lead AI Engineer

Job Summary

A company is looking for a Lead AI Engineer to oversee the post-training lifecycle of large language models.

Key Responsibilities

• Lead the Supervised Fine-Tuning (SFT) of large language models in production
• Design and maintain high-quality SFT and preference datasets for marketing use cases
• Develop and operate agentic LLM systems, ensuring effective multi-step reasoning and decision execution

Required Qualifications

• Significant hands-on experience with Supervised Fine-Tuning (SFT) of LLMs in production
• Direct experience using OpenAI APIs and/or AWS Bedrock for SFT and deployment
• Strong understanding of LLM post-training workflows and evaluation methodologies
• Experience building and operating agentic LLM systems
• Proficiency in Python and modern ML frameworks such as PyTorch