Applied AI Scientist — Build Production ML & LLMs

Lumen; Madison (WI); On-site; USD 106,000 - 176,000; Full time

Benefits offered by this job

Health benefits

Life benefits

Voluntary Lifestyle benefits

Other perks

Job summary

Lumen is seeking a highly technical Applied AI Scientist to design, develop, deploy, and optimize AI-powered solutions that tackle meaningful business challenges. You will partner with business, product, engineering, and technology teams to prototype and deliver production-ready AI capabilities.

The role blends machine learning, generative AI, software development, and experimentation to create scalable AI systems that improve customer experiences, operations, and outcomes.

Qualifications

• 3+ years of experience in applied AI, machine learning, data science, or related field.
• Experience developing and deploying production AI or ML solutions.
• Strong expertise in ML, statistics, predictive modeling, experimentation, and analytics.
• Experience building solutions utilizing LLMs, RAG architectures, vector databases, and modern AI frameworks.
• Proficiency in Python and common AI/ML toolsets such as PyTorch, TensorFlow, Hugging Face, LangChain, MLflow, or similar technologies.
• Experience working with cloud platforms and production software environments.
• Strong problem-solving skills and the ability to communicate technical concepts to diverse stakeholders.
• Experience working in cross-functional agile teams.

Responsibilities

• Design, develop, and deploy AI/ML solutions from proof of concept through production.
• Partner with business and product stakeholders to identify use cases, define objectives, and measure impact.
• Build solutions leveraging ML, generative AI, RAG, NLP, predictive analytics, and agentic workflows.
• Develop and maintain evaluation frameworks to ensure solution quality, accuracy, reliability, and performance.
• Collaborate with Engineering to operationalize AI solutions using MLOps and LLMOps best practices.
• Contribute reusable code, tools, models, and frameworks that accelerate AI adoption across the enterprise.
• Stay current on emerging AI technologies and recommend innovative approaches to business challenges.
• Contribute to technical best practices and knowledge sharing across the team.

Skills

Applied AI

ML & data science

Python

PyTorch

TensorFlow

Hugging Face

LangChain

LLMs

RAG

NLP

MLflow

Cloud platforms

Agile teams

Education

Master's degree preferred

PhD preferred

Tools

PyTorch

TensorFlow

Hugging Face

LangChain

MLflow

Job description

Lumen is seeking a highly technical Applied AI Scientist to design, develop, deploy, and optimize AI-powered solutions that tackle meaningful business challenges. You will partner with business, product, engineering, and technology teams to prototype and deliver production-ready AI capabilities.

The role blends machine learning, generative AI, software development, and experimentation to create scalable AI systems that improve customer experiences, operations, and outcomes.