Senior Machine Learning Engineer - Remote

Overview

As a Sr Machine Learning Engineer on the AI Agent team, you will play a critical role in helping build cutting-edge, composable solutions that leverage Large Language Models (LLMs). Your work will contribute directly to building a platform that simplifies the development of intelligent, adaptable agents, optimizing both usability and performance.

In Short

• Design and develop machine learning models and tooling for pre-training and/or fine-tuning open source large language models.
• Experience with the modern LLM stack incl. Retrieval augmented generation, parameter efficient fine-tuning, LoRA, etc.
• Implement and fine-tune models using state-of-the-art libraries such as Hugging Face Transformers, PyTorch, TensorFlow, and LangChain.
• Research, experiment with, and integrate new LLM technologies.
• Collaborate with product managers to define and refine requirements and use cases for conversation intelligence.
• Analyze and preprocess data from a variety of sources.
• Conduct experiments and evaluations of machine learning models.
• Keep up to date with the latest research and trends in Generative AI.
• Participate in code reviews, testing, and documentation activities.
• Experience or interest in mentoring other team members.

Requirements

• A degree in Computer Science, Engineering, or related fields, with a focus on machine learning, natural language processing, or speech analysis.
• 5+ years of experience in developing and deploying machine learning models.
• Proficiency in Python programming with experience using Hugging Face Transformers or other NLP libraries.
• Hands-on expertise with LLM architectures.
• Familiarity with a variety of feature engineering techniques.
• Experience mentoring other team members.
• Excellent communication and collaboration skills.

Benefits

• Competitive salary and cash compensation.
• Participation in HubSpot’s equity plan.
• Flexible work environment.
• Comprehensive benefits package.
• Opportunities for professional development.