AI engineer (UK)

Writer; Greater London; Hybrid; GBP 110,000 - 170,000; Full time

Benefits offered by this job

Generous PTO

Medical and dental insurance

Parental leave

Fertility support

Galleri cancer screening

Pension plan

Work-life stipends

Stock options

Job summary

WRITER in London is seeking an AI engineer to shape how enterprises harness superintelligence. You will build scalable AI apps and intelligent agents, contributing to performance, safety, and ethical alignment of our LLMs, with a focus on grounding models in company data.

You will work with researchers, data scientists, and product managers in a hybrid London role reporting to head of AI engineering. Bring 5+ years in production ML, Python, and cloud ML tools to delivery.

Qualifications

• 5+ years of professional experience in ML/AI systems in production.
• Strong Python programming and production-grade software practices.
• Expertise in NLP and large language models.
• Experience with cloud platforms (AWS, GCP, Azure) and MLOps tooling.
• Ability to write clean, scalable, well-tested code.

Responsibilities

• Architect and deploy high-performance AI applications into production.
• Develop intelligent agents and AI-powered features for customers.
• Collaborate with researchers, data scientists, and product managers to define requirements.
• Evaluate emerging AI technologies to maintain leadership.
• Champion responsible AI practices including bias detection and safety.

Skills

Python

ML/DL

NLP & LLMs

PyTorch

Cloud & MLOps

Tools

AWS

GCP

Azure

MLflow

Kubeflow

Job description

About WRITER

WRITER is where the world's leading enterprises orchestrate AI-powered work. Our vision is to expand human capacity through superintelligence. And we're proving it's possible – through powerful, trustworthy AI that unites IT and business teams together to unlock enterprise-wide transformation. With WRITER's end-to-end platform, hundreds of companies like Mars, Marriott, Uber, and Vanguard are building and deploying AI agents that are grounded in their company's data and fueled by WRITER's enterprise-grade LLMs. Valued at $1.9B and backed by industry-leading investors including Premji Invest, Radical Ventures, and ICONIQ Growth, WRITER is rapidly cementing its position as the leader in enterprise generative AI.

Founded in 2020 with office hubs in San Francisco, New York City, Seattle, Austin, Chicago, and London, our team thinks big and moves fast, and we're looking for smart, hardworking builders and scalers to join us on our journey to create a better future of work with AI.

About the role

As an AI engineer at WRITER, you'll be at the forefront of shaping how enterprises harness superintelligence. This isn't just about theory; you'll be building tangible AI solutions that power the future of work for hundreds of the world's leading companies. Your work will directly impact the performance, scalability, and ethical alignment of our cutting-edge LLMs and AI agents, enabling businesses to unlock unprecedented levels of productivity and innovation with AI that is truly grounded in their data.

This role can be hybrid in our London hub. You'll report to the head of AI engineering.

What you'll do

• Architect, develop, and deploy high-performance, scalable AI applications into production environments, ensuring robust integrations with our end-to-end platform.

• Drive the development of intelligent agents and AI-powered features, translating complex research into practical, impactful solutions for our customers.

• Collaborate closely with research scientists, data scientists, and product managers to define technical requirements and deliver features that address critical business needs.

• Contribute to the research and evaluation of emerging AI technologies, frameworks, and tools to maintain WRITER's leadership in the enterprise generative AI space.

• Champion responsible AI practices, including bias detection, explainability, and safety alignment, making sure our AI is trustworthy and ethical.

What you need

• 5+ years of professional experience building and deploying machine learning or AI systems in a production environment.

• Proficiency in Python and experience with relevant AI/ML frameworks such as PyTorch, TensorFlow, or JAX.

• A strong foundation in machine learning principles, deep learning architectures, and natural language processing, particularly with large language models.

• Experience with cloud platforms (e.g., AWS, GCP, Azure) and MLOps tools for managing the AI lifecycle.

• Demonstrated ability to write clean, efficient, and well-tested code for scalable software systems.

• Exceptional problem-solving skills and a passion for tackling complex technical challenges with creative AI solutions.

• You Connect by collaborating seamlessly across diverse teams, Challenge the status quo to innovate, and Own your projects with a commitment to impact and excellence.

Benefits & perks (UK full-time employees)

• Generous PTO, plus company holidays

• Comprehensive medical and dental insurance

• Paid parental leave for all parents (16 weeks)

• Fertility and family planning support

• Early-detection cancer testing through Galleri

• Competitive pension scheme and company contribution

• Annual work-life stipends for:

  • Wellness stipend for gym, massage/chiropractor, personal training, etc.

  • Learning and development stipend

• Company-wide off-sites and team off-sites

• Competitive compensation and company stock options