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Senior Research Engineer, Olmo + Molmo

Ai2· Research
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Seattle, WA$174.2k - $261.4kfull-timePosted 4mo ago

About the role

Senior research engineer responsible for training Ai2’s flagship open models (e.g., Olmo, Molmo) and delivering end-to-end research-to-production infrastructure for LLMs, multimodal models, and agentic workflows.

Responsibilities

  • Building and optimizing infrastructure for LLM, multimodal, and agentic research — including training/inference pipelines, dataset curation, and large-scale preprocessing
  • Designing, training, and evaluating multimodal models (vision + language) and agentic workflows, including tool use, planning, and long-horizon tasks
  • Scoping and leading research projects, prioritizing experiments for highest impact
  • Bringing strong software engineering practices to a research environment and bridging cutting-edge work to production-quality products
  • Contributing to and supporting the open-source community through model releases, datasets, public APIs, and technical reports

Qualifications

  • 8 years of industry experience with 4+ years of ML infrastructure experience — data preprocessing, model training, evaluation, inference, and deployment
  • End-to-end model development experience — dataset construction, training, fine-tuning, evaluation, profiling, and monitoring
  • Familiarity with modern model architectures — including LLMs (MoEs, long-context models), vision-language models (e.g., Molmo, LLaVA) and experience training/evaluating both
  • Agentic systems knowledge — tools, memory, and long-running workflows
  • Strong software engineering fundamentals — performant, scalable systems and debugging
  • Proficiency in Python and a major ML framework (PyTorch, JAX, or TensorFlow) with ability to learn new tools
  • Familiarity with cloud and containerization (GCP, AWS, Docker)
  • Strong communication and collaboration skills

Skills

Required:PythonPyTorch / JAX / TensorFlowML infrastructureCloud / containerization

Benefits

  • Medical, dental, vision coverage for team members and families
  • Employee assistance program
  • Health savings account plan, healthcare reimbursement arrangement, and flexible spending accounts
  • Company 401(k) plan
  • Monthly commuter/internet stipend of $125 and $200 monthly for fitness and wellbeing
  • Up to ten sick days per year, up to seven personal days per year, up to 20 vacation days per year, twelve paid holidays
  • Annual bonuses and participation in long-term incentive plan
Last updated Oct 21, 2026. Interested? Apply on the company site.
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About Ai2

Truly open breakthrough AI

Ai2, founded by Paul Allen and led by Ali Farhadi, conducts high-impact research and engineering to tackle key problems in artificial intelligence.

artificial intelligenceengineeringliquid-ai-recruiting-targetmultimodal AI modelsresearch
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