Senior AI Research Engineer - LLM & Multimodal Infra

Ai2; Seattle (WA); On-site; USD 146,880 - 220,320; Full time

Benefits offered by this job

Health, dental, and vision coverage

401k plan

$125 monthly for commuting/internet

$200 monthly for fitness expenses

Up to 20 vacation days and sick days

Job summary

Ai2 is seeking a Research Engineer in Seattle, offering a competitive salary range of $146,880–$220,320 plus bonuses. The ideal candidate will have strong expertise in deep learning, extensive experience with ML infrastructure, and solid software engineering skills.

Your role includes building infrastructure for research, designing multimodal models, and contributing to open-source projects. Benefits include comprehensive healthcare, a 401k plan, and generous vacation policy.

Qualifications

• 4+ years of ML infrastructure experience — data preprocessing, model training, evaluation, inference, deployment.
• Experience with end-to-end model development — dataset construction to monitoring.
• Knowledge of modern model architectures including LLMs and vision-language models.

Responsibilities

• Build and optimize infrastructure for LLM and multimodal research.
• Design, train, and evaluate multimodal models.
• Scope and lead research projects for high impact.

Skills

Deep learning expertise

Python

ML infrastructure experience

Software engineering fundamentals

Communication skills

Containerization (e.g., Docker)

Familiarity with GCP or AWS

Education

BS or MSc in Computer Science

Minimum 2 years of software development experience

Tools

PyTorch

JAX

TensorFlow

Job description

Ai2 is seeking a Research Engineer in Seattle, offering a competitive salary range of $146,880–$220,320 plus bonuses. The ideal candidate will have strong expertise in deep learning, extensive experience with ML infrastructure, and solid software engineering skills.

Your role includes building infrastructure for research, designing multimodal models, and contributing to open-source projects. Benefits include comprehensive healthcare, a 401k plan, and generous vacation policy.