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# Performance Engineer (Junior) | AI Infrastructure | Cambridge (Hybrid)

- **Company:** Itmy
- **Location:** Cambridge, UK
- **Experience:** Starter
- **Salary:** £70,000.0
- **Contract:** Permanent contract
- **Skills:** Spreadsheets, Profiling, Nvidia CUDA, Python (Programming Language), NumPy, Open Source Technology, Prometheus, AI Infrastructure, Pytorch, Large Language Models, Grafana, Deep Learning, Pandas, Information Technology
- **Published:** September 18, 2026
- **Apply:** https://itjobpro.co.uk/job/performance-engineer-junior-ai-infrastructure-cambridge-hybrid

## About the Role

A postgraduate research background, ideally a PhD in computer science, mathematics, physics or a closely related field, strongly preferred, exceptional recent master's graduates with directly relevant coursework will also be considered
A genuine, demonstrated grasp of computer architecture fundamentals and how LLMs and deep learning models actually run on hardware, training versus inference, matrix multiplication, KV-caching
Real experience building performance models or forecasting tools, Python or spreadsheet-based, from research, a thesis, a placement, or serious personal projects
Hands-on work with GPU or accelerator code, CUDA or similar
Familiarity with profiling tools (Nsight, PyTorch Profiler) and ideally some exposure to monitoring stacks (Prometheus, Grafana)
Strong Python for data work, Pandas and NumPy, genuine scripting abilityNice to have: exposure to inference serving frameworks like vLLM, published research, or open source contributions in this space.



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