Senior Machine Learning Engineer

Liine; Raleigh (NC); Hybrid; USD 130,000 - 190,000; Full time

Benefits offered by this job

Equity

401k match

Health insurance

Dental insurance

Vision insurance

Disability insurance

Unlimited PTO

Career growth

Job summary

Liine in downtown Raleigh, NC, is hiring a Senior Machine Learning Engineer to scale our AI-powered analytics platform for healthcare practices. You will design, implement, and deploy scalable ML pipelines, NLP systems, and data-driven features that drive real value for customers.

You’ll collaborate with engineering and product to shape ML strategy, model architecture, and production-grade ML systems while thriving in a fast-paced startup environment with generous equity and room for career

Qualifications

• 3+ years of machine learning experience.
• Proficiency in Python and data science libraries.
• Experience building scalable ML pipelines and NLP systems.
• Comfort deploying models to production (MLOps).

Responsibilities

• Research, develop, evaluate, deploy, and monitor scalable ML platforms and pipelines
• Build and maintain NLP systems, including language model fine-tuning and classification
• Review code and promote software development best practices within Liine’s SDLC
• Integrate APIs, microservices and data pipelines to connect to ML platforms
• Contribute to ML strategy, model architecture and team practices
• Collaborate with engineering and product to deliver ML features with real value

Skills

Python

NumPy

Pandas

PyTorch

ML pipelines

NLP

Distributed systems

MLOps

Tools

AWS

Docker

Git

Job description

Sep 23, 2026

Job Overview

Liine is a fast-growing software startup based in downtown Raleigh, NC. Our AI-powered call tracking, marketing analytics and ad optimization platform helps specialty healthcare and dental practices convert more new patient inquiries into appointments. With over $10M in ARR and winner of the 2026 Triangle Business Journal's 50 Best Places to Work, we are on our way to making Liine a core component of every healthcare practice's technology stack.

To help continue scaling our award-winning SaaS platform, we are hiring a Senior Machine Learning Engineer to help us expand and scale our data analytics and marketing analytics platforms. The ideal candidate for this role will excel at tackling complex open-ended problems and working in a fast-paced environment, as well as helping to guide the strategic direction of the R&D team.

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

Qualifications:

• 3+ years of machine learning experience

Strong candidates should be comfortable with the following:

Having fun while solving hard problems

Using AI tools as a core part of how you build. This is your default, not an experiment.

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

Extra credit for experience working with:

Model interpretability and explainable AI

Fine-tuning and deploying Large Language Models (LLMs) to production

Audio and multi-modal model development

HIPAA compliance

Perks and benefits include:

Competitive salary with generous equity package

4% 401K contribution match

Health, dental and vision insurance

Short and long-term disability insurance

Unlimited PTO

Lots of room for career advancement

Additional Information:

Candidates who can work out of our downtown Raleigh office are preferred, but we will also consider exceptional remote applications. We work from our downtown Raleigh office on

Mondays, Wednesdays and Fridays, with the option to work remotely on Tuesdays and Thursdays.

We’re building something special and are looking for great people to join our team!