Machine Learning Engineer, Applied AI - Deployed

brainco; Greater London; On-site; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Competitive salary

Paid maternity and paternity leave

Daily lunches

Commuter benefits

Unlimited PTO

Job summary

Brain Co. in the United Kingdom seeks an AI/ML Engineer, Deployed, to translate research breakthroughs into production solutions across healthcare, government, and energy sectors.

You will work with an elite team to deploy state-of-the-art models, build scalable pipelines, and deliver AI-powered outcomes at national scale, influencing public and private sector landscapes.

Qualifications

• Hold a BSc/Master’s/PhD in Computer Science, Machine Learning, Data Science, or a related field.
• Have built GenAI-focused applications with the latest tools and techniques.
• Familiarity with large language model architectures and deployment.

Responsibilities

• Design and deploy state-of-the-art LLM models to automate real-world processes.
• Build scalable data pipelines and optimize models for production use.
• Collaborate with government and industry partners to deliver AI-powered solutions.

Skills

GenAI applications

LLM architectures

PyTorch

Jax

TensorFlow

Data structures

Software engineering

Education

BSc/Master’s/PhD in Computer Science/ML

Tools

Agents

RAG

Job description

Our Mission

Rebuild how the world works, to make institutions work better for the people they serve.

About Brain Co.

Brain Co. builds AI-native operating systems for large, regulated institutions. Each system is built for a specific industry, powered by agents that push real workflows forward. Underneath it all is Atlas, our proprietary platform that keeps customers in control, secure by design, and never locked into one model.

Why Now

Brain Co. is entering its next phase of production deployments on a national scale with an elite team built from Palantir, Google, Meta, and Nvidia, and a growing footprint across government, insurance, health, and financial services.

Joining now means shaping both the company and a new category of applied AI. Every project here ships to production and is expected to create measurable customer value and impact.

You’ll work alongside exceptional peers on some of the hardest problems in applied AI. It’s the kind of work you’ll still be proud of in ten years from now.

About The Role

As an AI/ML Engineer, Deployed at Brain Co., you will play a crucial role in deploying state-of-the-art models to automate various real world problems in sectors such as healthcare, government and energy. Part of the role will involve turning research breakthroughs into practical solutions for various nation states. This role is your opportunity to make a significant impact by making AI technology both accessible and influential.

In This Role, You Will:

• Innovate and Deploy: Design and deploy advanced LLM models to tackle real-world problems, particularly in automating complex, manual processes in a range of real-world verticals.

• Optimize and Scale: 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 various governments worldwide.

• Make a Difference: Engage in projects including but not limited to optimizing the world's most advanced energy production systems, modernizing core government workflows, or improving patient outcomes in advanced public healthcare systems. Your work will directly impact how AI benefits individuals, businesses, and society at large.

• Engage with Leaders: interact directly with government officials in various countries and apply the first of its kind AI solutions while working alongside experienced ex. Founders, AI researchers, and software engineers to understand complex business challenges and deliver AI-powered solutions. Join a dynamic team where ideas are exchanged freely and creativity flourishes. You will be able to wear many hats: software building, product management, sales, interpersonal skills.

• Learn and Lead: Keep abreast of the latest developments in machine learning and AI. Participate in code reviews, share knowledge, and set an example with high-quality engineering practices.

You Might Thrive In This Role If You:

• Hold a BSc/Master’s/PhD degree in Computer Science, Machine Learning, Data Science, or a related field.

• Have impactful industry experience building GenAI-focused applications with the latest technologies, including but not limited to Agents, reasoning models and RAG.

• Have at least a high level familiarity with the architecture and operation of large language models.

• Have personally implemented models in common ML frameworks such as PyTorch, Jax or TensorFlow.

• 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.

• Thrive in fast-paced environments where priorities or deadlines may compete.

• Are eager to own problems end-to-end and willing to acquire any necessary knowledge to get the job done.

Benefits

• Competitive salary
• Paid Maternity and Paternity Leave
• 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, DeepMind, Databricks, and more
• Accelerate your career with ownership based on impact, not tenure
• Earn competitive compensation + 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.