Senior Machine Learning Engineer

Liine is a fast-growing software startup providing an AI-powered call tracking, marketing analytics, and ad optimization platform for specialty healthcare and dental practices. The Senior Machine Learning Engineer will expand and scale Liine’s data and marketing analytics platforms by developing production machine learning systems, NLP solutions, APIs, and data pipelines while helping guide ML strategy and collaborating with engineering and product teams.

Responsibilities:

• Research, develop, evaluate, deploy, and monitor scalable ML platforms and pipelines
• Build and maintain NLP systems, including training and fine-tuning language models, entity resolution tools and LLM-based classification systems
• Review code and promote software development best practices operating inside of Liine’s standard SDLC
• Integrate and update backend APIs, microservices and data pipelines to connect to our ML platforms
• Provide thoughtful input on machine learning strategy, model architecture, and the evolution of our ML systems and team practices
• Collaborate with engineering and product to deliver machine learning features that create real value

Requirements:

• 3+ years of machine learning experience
• Proficiency in Python and key data science libraries (e.g., NumPy, Pandas, PyTorch)
• Prototyping solutions to novel, open-ended problems and transforming them into reliable solutions
• Deploying machine learning models into production environments (MLOps / ModelOps)
• Feature engineering, feature selection, and model architecture design
• Working with large distributed systems and data pipelines
• Solving complex problems at scale
• Meticulous attention to detail
• Communicating honestly and transparently
• Fine-tuning and deploying Large Language Models (LLMs) to production
• Audio and multi-modal model development
• HIPAA compliance