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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Developer Experience / DevEx - **Company:** Fractile - **Location:** London, UK - **Salary:** £75,978.0 - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, C++ (Programming Language), Nvidia CUDA, Programming Tools, Device Drivers, Firmware, Python (Programming Language), OpenCL, Software Engineering, Software Organization, Rust (Programming Language), Pytorch, Large Language Models - **Published:** September 2, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5812151918 ## About the Role We're looking for someone who is self-driven and capable of identifying tooling opportunities, designing those tools, and delivering them in a way which will fit in with an LLM engineer's existing toolset. You will have worked in this area before, possibly as an FDE or at a company that provides inference services using their own models, and have the ability to develop new tools that are designed to be functional and easy to learn and use., * Experience with inference frameworks such as JAX and/or PyTorch * Experience of software development in Python, Rust, C/C++, or a similar language * Experience monitoring and optimising code written in CUDA, ROCm, OpenCL, or similar * Experience monitoring and optimising LLM deployments with 50+ billion parameters * Experience working with stakeholders across multiple teams ## Description About the Software organisation at Fractile Developer Experience sits within the Software organisation at Fractile, which is responsible for developing a full software stack for our groundbreaking AI inference systems. That's everything from ML compilers, device drivers and systems firmware, application level runtime and ecosystem integrations, ML and compute libraries, great developer tooling and a full portfolio of simulators, through to datacenter scale workload deployment solutions. At Fractile, we know that a fantastic software stack is a critical and central part of any AI inference solution and it sits at the heart of everything we're doing. About the team and role The Developer Experience team at Fractile helps shape how our customers interact with the Fractile inference accelerator. We work across the company to identify, create, and present information on how the system is being used, as well as providing the tooling to help optimise our customers' usage of the system, while keeping a shallow learning curve. As a member of the Developer Experience team you will need to understand the current state of development for inference hardware. You will need to be able to identify what will work well for engineers wanting to identify potential opportunities for performance improvements, while knowing what tooling will fit into an existing LLM engineer's workflow with the minimal amount of disruption and effort. ## Related Videos - [Tour de Force: Open-Source LLM Inference Optimization from Simple to Sophisticated](https://www.wearedevelopers.com/videos/100099-tour-de-force-open-source-llm-inference-optimization-from-simple-to-sophisticated) - [Photonic Computing: Programming a New Class of AI Accelerators (incl. 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