Senior LLM Engineer: Build Production-Grade AI Systems

Albi; Chicago (IL); On-site; USD 150,000 - 210,000; Full time

Benefits offered by this job

Competitive salary

Generous PTO

Medical, dental, and vision coverage

401(k) plan

Equipment and learning budget

Job summary

A leading AI technology firm located in Chicago is looking for an experienced ML/AI Engineer to lead the development of LLM systems. The ideal candidate will have a minimum of 5 years of experience in the field, a strong foundation in machine learning, and the ability to work collaboratively with various teams. Responsibilities include fine-tuning models, building data pipelines, and mentoring junior engineers. This role offers competitive benefits and an environment that values deep work and impact.

Qualifications

• 5+ years of real-world experience in ML/AI engineering.
• Proven experience training or contributing to training LLMs.
• Deep understanding of transformers and training dynamics.

Responsibilities

• Own end-to-end LLM systems: architecture, training, evals, and iteration.
• Fine-tune and extend existing models (LoRA, instruction tuning, RLHF).
• Collaborate closely with product and engineering.

Skills

Machine Learning

AI Engineering

Python

PyTorch

JAX

Transformers

Data Pipelines

Job description

A leading AI technology firm located in Chicago is looking for an experienced ML/AI Engineer to lead the development of LLM systems. The ideal candidate will have a minimum of 5 years of experience in the field, a strong foundation in machine learning, and the ability to work collaboratively with various teams. Responsibilities include fine-tuning models, building data pipelines, and mentoring junior engineers. This role offers competitive benefits and an environment that values deep work and impact.