Senior AI Performance Modeller — Equity, Visa & Relocation

NewsNowGh; Greater London; On-site; GBP 126,000 - GBP 154,000; Full time

Job summary

A leading AI hardware company seeks an AI Performance Modeller to join its London team in 2026. The role requires expertise in building performance models for high-tech computing systems and offers a highly competitive salary ranging from £126,000 to £154,000, alongside full visa sponsorship and exceptional relocation support. Candidates should have strong programming skills in C++ and Python and a solid understanding of computer architecture. This is an exceptional opportunity to shape the future of computing within a high-growth AI environment.

Benefits

Equity options

Comprehensive relocation support

Premium working environment

Qualifications

• 3+ years of experience building performance or power models for CPUs, GPUs, ASICs, or accelerators.
• Strong programming skills in C++ and Python with experience in cycle-accurate or discrete-event simulators.
• Solid understanding of computer architecture, memory systems, interconnects, and performance analysis theory.

Responsibilities

• Design, build, and maintain functional simulators of the OPTU subsystem and full compute pipeline.
• Develop and own architectural and cycle-accurate performance models to analyse throughput and latency.
• Identify performance bottlenecks and propose architectural or scheduling improvements.

Skills

C++ programming

Python programming

Performance model building

Data analysis

Understanding of computer architecture

Experience with machine learning frameworks

Education

Bachelor's degree in Computer Science

Job description

A leading AI hardware company seeks an AI Performance Modeller to join its London team in 2026. The role requires expertise in building performance models for high-tech computing systems and offers a highly competitive salary ranging from £126,000 to £154,000, alongside full visa sponsorship and exceptional relocation support. Candidates should have strong programming skills in C++ and Python and a solid understanding of computer architecture. This is an exceptional opportunity to shape the future of computing within a high-growth AI environment.