AI engineer (UK)

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

Benefits offered by this job

Generous PTO and holidays

Medical and dental insurance

Parental leave (16 weeks)

Fertility and family planning support

Pension scheme and company matching

Wellness stipend and learning stipend

Company off-sites and team retreats

Stock options

Job summary

WRITER is hiring an AI engineer to shape how enterprises harness superintelligence. You will build scalable AI applications and agents, contributing to robust performance, data grounding, and governance across a global client base.

You will work with research scientists, data scientists, and product managers to translate research into practical features, drive production readiness, and ensure ethical alignment. This hybrid London role reports to the Head of AI Engineering.

Qualifications

• 5+ years of professional ML/AI production experience.
• Strong Python and ML framework experience.
• Experience with large language models and NLP.
• Experience with cloud platforms and MLOps.
• Collaborative and results-driven.

Responsibilities

• Architect, develop, and deploy high-performance AI applications into production environments.
• Drive development of intelligent agents and AI-powered features.
• Collaborate with researchers, data scientists, and product managers to define technical requirements.
• Evaluate emerging AI tech to maintain leadership in the enterprise AI space.
• Champion responsible AI practices including bias detection, explainability, and safety.

Skills

5+ years ML

Python

PyTorch

TensorFlow

JAX

NLP

Cloud

MLOps

Clean code

Collaboration

Tools

AWS

GCP

Azure

Job description

About WRITER

WRITER is the AI platform built for the world’s most ambitious marketing and revenue teams, bringing the frontier of AI to the people who drive enterprise growth. With WRITER, autonomous agents work across the buyer journey, continuously executing on market signals and enterprise intelligence to grow revenue faster. Every agent action and asset is grounded in trust, built on an Enterprise Brain that unites brand, product, and company knowledge with fiduciary-grade governance and compliance.

Fortune 500 companies are transforming how they go to market with WRITER, including 3 of the top 5 US banks, 2 of the 5 largest global CPG conglomerates, and 4 of the top 5 US healthcare insurers. Founded in 2020, WRITER is backed by investors including Insight Partners, ICONIQ, Radical Ventures, Premji Invest, Balderton, B Capital, Salesforce Ventures, Adobe Ventures, Accenture, Citi Ventures, IBM Ventures, WndrCo, and others. Learn more at WRITER.com.

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
• 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