Principal AI Performance Modeller

Flux Computing; City Of London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading technology firm in London is searching for a Senior Performance Modelling Engineer to create analytical models that influence software and hardware decisions. You will collaborate closely with various teams to ensure models reflect reality, handle complex data, and significantly guide the company's technology roadmaps. A strong background in programming with C++ and Python, as well as experience in performance modeling, is essential for this role. The position includes benefits like competitive salary and full healthcare coverage.

Benefits

Competitive salary

Stock options

Full healthcare and dental cover

Monthly off-site team socials

25 days of paid holiday

Cycle2work scheme

Qualifications

• 5+ years building performance or power models for CPUs, GPUs, ASICs, or accelerators.
• Strong coding ability in C++ and Python; experience with discrete-event or cycle-accurate simulators.
• Solid grasp of computer-architecture fundamentals: memory systems, interconnects, queuing theory.
• Familiarity with machine-learning workloads and common frameworks.

Responsibilities

• Own and deliver projects on the team’s roadmap.
• Work with hardware, compiler and ML framework teams.
• Design, build, and maintain a functional simulator of the OPTU subsystem.
• Identify throughput, latency and utilisation hot-spots.

Skills

C++

Python

Performance modeling

Data visualization

Machine learning frameworks

Education

Bachelor’s+ in EE, CS, Physics, Applied Maths or related

Tools

gem5

SystemC

Job description

A leading technology firm in London is searching for a Senior Performance Modelling Engineer to create analytical models that influence software and hardware decisions. You will collaborate closely with various teams to ensure models reflect reality, handle complex data, and significantly guide the company's technology roadmaps. A strong background in programming with C++ and Python, as well as experience in performance modeling, is essential for this role. The position includes benefits like competitive salary and full healthcare coverage.