Performance Engineer – ARM64 Runtime Optimizations

European Tech Recruit is seeking a Performance Engineer to speed up managed language runtimes on ARM64 mobile-class CPUs in Cambridge, UK. You will work across the runtime stack, from interpreter to garbage collector, delivering patches and validating improvements onsite.

You will contribute to profiling-driven optimization, AOT/RT performance and hardware feedback, with collaboration across CPU architects and LLM-assisted workflows.

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