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Machine Learning Engineer, Applied AI Co-Op Intern, Winter 2027

Brain Co.· Engineering
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Hybrid (San Francisco Bay Area)$0Full-timePosted 1w ago

About the role

Co-op internship focused on designing, building, and deploying ML systems (LLM-powered applications, data pipelines) to solve high-impact problems in healthcare, government, and energy. Production-focused with mentorship from senior engineers and researchers; open to current undergraduate juniors and seniors with Python experience and ML coursework.

Responsibilities

  • Assist in designing and deploying LLM-powered applications to automate complex, real-world workflows
  • Build and improve data pipelines and support model training, evaluation, and optimization
  • Work with structured and unstructured data (e.g., text, documents, logs)
  • Help prepare models and systems for production deployment and monitoring
  • Collaborate closely with senior engineers, AI researchers, and product teams
  • Learn best practices through code reviews, design discussions, and hands-on mentorship
  • Gain exposure to customer-facing and real-world constraints, including working with public-sector institutions

Qualifications

  • Are a current undergraduate student, specifically a junior or senior, pursuing a degree in Computer Science, Machine Learning, Data Science, or a related field
  • Have experience programming in Python
  • Have coursework or project experience in machine learning or AI
  • Have exposure to or interest in large language models and GenAI applications (e.g., agents, RAG, reasoning workflows)
  • Have used or are eager to learn frameworks such as PyTorch, JAX, or TensorFlow
  • Have strong fundamentals in data structures and algorithms
  • Are curious, proactive, and excited to learn quickly in a fast-paced environment
  • Enjoy owning problems end-to-end with guidance and support

Skills

Required:PythonMachine Learning / AI coursework or project experience
Nice to have:Large Language Models / GenAIPyTorch, JAX, or TensorFlow

Benefits

  • Winter / Spring Co-Op: January 11, 2027 - April 30, 2027
  • Competitive co-op compensation
  • Hands-on mentorship from experienced AI engineers and researchers
  • Opportunity to work on real production systems used globally
  • Potential return-offer consideration for future internships or full-time roles
  • Daily lunches (if onsite)
Last updated Oct 15, 2026. Interested? Apply on the company site.

About Brain Co.

AI for the world's most important institutions

Building an AI platform and applications to deliver impact for real-world problems.

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