AI/ML Engineer, Deployed

About Brain Co

Brain Co. is an applied AI startup founded by Elad Gil and Jared Kushner, backed by industry leaders such as Patrick Collison (CEO of Stripe), Andrej Karpathy (Cofounder of Open AI), Mike Krieger (CPO of Anthropic), Kevin Weil (CPO of Open AI), and Aravind Srinivas (CEO of Perplexity).

We build an AI platform and applications for the world’s most important institutions, delivering impact on real‑world problems.

Our progress to date includes automated construction permitting for a sovereign government (80% faster, unlocking $375M+ in value), optimized supply chains for a leading global energy company (30% lower cost, 99% reliability, preventing $100M+ in losses), and streamlined hospital patient care across national health systems (40% better outcomes, 80% less admin work).

We raised a $30M Series A from top investors and built a team of 40+ AI experts from Tesla, Google Deep Mind, NVIDIA, and Databricks.

About The Role

As an AI/ML Engineer at Brain Co., you will play a crucial role in deploying state‑of‑the‑art models to automate real‑world problems in sectors such as healthcare, government, and energy.

You will turn research breakthroughs into practical solutions for various nation states, making AI technology both accessible and influential.

In This Role, You Will

• Design and deploy advanced LLM models to tackle real‑world problems, especially automating complex, manual processes in a range of verticals.
• Build scalable data pipelines, optimize models for performance and accuracy, and prepare them for production.
• Monitor and maintain deployed models to ensure they continue delivering value across governments worldwide.
• Engage in projects such as optimizing the world’s most advanced energy production systems, modernizing core government workflows, and improving patient outcomes in advanced public healthcare systems.
• Interact directly with government officials in various countries and collaborate with experienced founders, AI researchers, and software engineers to understand complex business challenges and deliver AI‑powered solutions.
• Wear many hats—software building, product management, sales, and interpersonal skills—and participate in code reviews, share knowledge, and set an example with high‑quality engineering practices.

Qualifications

• Hold a BSc/Master’s/Ph D degree in Computer Science, Machine Learning, Data Science, or a related field.
• Have experience building Gen AI‑focused applications with the latest technologies, including agents, reasoning models, and RAG.
• Have a high‑level familiarity with the architecture and operation of large language models.
• Have personally implemented models in common ML frameworks such as Py Torch, Jax, or Tensor Flow.
• Possess a strong foundation in data structures, algorithms, and software engineering principles.
• Exhibit excellent problem‑solving and analytical skills with a proactive approach to challenges.
• Can work collaboratively with cross‑functional teams and thrive in fast‑paced environments with competing priorities or deadlines.
• Are eager to own problems end‑to‑end and willing to acquire any necessary knowledge to get the job done.

Benefits

• Competitive salary plus equity.
• Daily lunches.
• Commuter benefits.
• Unlimited PTO.
• Why Join Us

Ship quickly, iterate constantly, and see your work deployed at global scale.

Collaborate with industry veterans from Tesla, Deep Mind, Databricks, and more.

Accelerate your career with ownership based on impact, not tenure.

Earn competitive compensation and meaningful equity in a high‑growth company.

Thrive in a culture built on speed, curiosity, and impact.

If you want to see your work deployed at scale with real impact, Brain Co. is the place to build.

This hybrid role can be based in our London office.

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