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Senior AI Engineer

Nothing • london, south east england, uk • 2d ago

The Role:

We’re looking for a Senior AI Engineer to help us reimagine what mobile AI can be. This isn’t about bolting models onto apps. It’s about designing, prototyping, and building experiences that feel new—where AI is less a feature and more a living part of the product. You’ll join a small, design-oriented research and development team. We like people who are curious, product-minded, and a little restless—people who want to break the mould and try things that haven’t been done before. One week you might be experimenting with speech recognition or generative sound; the next, building a service that scales to millions. You’ll own projects end to end, obsessing over details and making sure the work doesn’t just function but feels right.

Responsibilities:

Leverage the latest technologies to build transformative experiences across our portfolio of devices
Ideate, build and iterate quickly on projects that span speech recognition, sound and image generation, behavioural understanding and data collection at scale
Develop and fine-tune models to power cloud and on-device AI functionalities
Use the latest AI technologies to create transformative experiences across our devices
Take full ownership of projects, from concept to production, with an obsession for getting the details right

Requirements:

Strong track record shipping AI-powered features in fast-paced, high-growth environments
Have worked as a Software Engineer in a high-growth, fast-paced environment
A generalist mindset: you’re comfortable moving across the stack, from mobile apps to APIs to backend services
Bachelor degree or above, major in computer science, software engineering, artificial intelligence or related fields, with proven experience of hands-on development
Deep curiosity about large language models (LLMs) and excitement to integrate them into mobile experiences
An eye for design and user experience, and the ability to work closely with designers to craft intuitive products

We’re at the very beginning of what AI can mean on personal devices, and we want builders who see that as an opportunity to shape the future. If you’re excited to work in a place where ideas move fast, details matter, and design and engineering meet in unexpected ways, we’d love to hear from you. Tell us what you’ve built, what excites you about AI, and how you’d like to push the boundaries with us.

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