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Fractile
Senior Software Engineer

Senior Software Engineer

On site

Bristol, United kingdom

Senior

Full Time

10-12-2025

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Skills

C/C++ Rust Machine Learning C++

Job Specifications

At Fractile, we’re taking a revolutionary approach to computing to run the world’s largest language models 100x faster than existing systems. Our fast-growing team is working at the cutting edge of the latest AI developments in both hardware and software. Want to get involved?

We are looking for Senior Systems Software Engineers to help launch our ground-breaking AI accelerators into data centre deployment. You can be based in either our London or Bristol offices.

In This Role, You Will

Develop systems software for Fractile’s innovative AI accelerator hardware, including board and rack management software, low-level firmware, and security software
Contribute to system device drivers and runtime libraries
Work with hardware, lower-level software, and ML engineers in a highly collaborative hardware-software co-design methodology

It Would Be Great If You Have

Proven experience of developing data centre systems software
Excellent C/C++ skills and solid experience of industry standard development tools and technologies
A good understanding of low-level hardware
A creative and innovative mindset, and a willingness to take ownership and drive results in a fast-paced environment
Computer Science, Electronic Engineering, Maths, Physics, or related degree and 3+ years of industry experience

You May Also Have

Experience of working with GPUs or other machine learning accelerators
Experience developing with Rust
Previous experience in a startup or small team environment

About the Company

Fractile is building chips to run large language models two orders of magnitude faster. Existing hardware is good for training LLMs, but very poorly suited to subsequent inference of the trained model, which is increasingly the dominant workload. A network’s weights need to be moved onto a chip once per word generated, and this movement takes a few hundred times longer than the subsequent computations themselves. Fractile’s revolutionary approach to fusing computation with memory eliminates this bottleneck, and can scale to ... Know more