Drimva

Brain Co.

Machine Learning Engineer, Applied AI

San Francisco Bay Area · Hybrid · Full-time · Posted Aug 1, 2025

About the job

Build and deploy end-to-end machine learning and AI systems that help regulated institutions automate real-world workflows and make trusted decisions.

What you'll do

  • Turn ambiguous customer problems into well-defined ML problems, evaluations, and production deployments.
  • Own AI systems end-to-end, including model behavior, production performance, accuracy, latency, cost, and reliability.
  • Work with institutional customers and contribute to AI design reviews, the paper club, and shared engineering practices.

What they ask for

  • Strong understanding of machine learning, including loss functions, generalization, distribution shift, and evaluation.
  • Hands-on expertise with modern AI, including LLMs and agentic systems, prompting, fine-tuning, tool use, and reasoning.
  • Ability to build and compose AI approaches such as vision models, segmentation models, VLM reasoning, and rule engines.
  • Comfort working on underspecified problems where data and success criteria may need to be developed.

Tools

LLMs, VLM, vision transformers, segmentation models, rule engines, RL fine-tuning

AI focus

Applied AI for institutional workflows, including document understanding, agents trained from verified outcomes, rigorous evaluation, and production decision systems.

Model-written summary · the original posting is authoritative

First seen Oct 29, 2026 · Last verified Nov 4, 2026 (UTC)