Building the world’s first renewable giant
Founding GPU Engineer
Location
United Kingdom
Posted
1 day ago
Salary
0
Seniority
Senior
Job Description
Founding GPU Engineer
Fuse Energy
• Design, implement, and optimise CUDA kernels for high-throughput, latency-sensitive workloads. • Profile and tune GPU performance across compute, memory bandwidth, and interconnect (NVLink/PCIe) bottlenecks. • Build tooling to correlate GPU cluster power draw and utilisation with real-time energy pricing and grid signals. • Optimise multi-GPU and multi-node scaling using NCCL, MPI, or similar communication libraries. • Work with data center infrastructure teams on power capping, dynamic voltage/frequency scaling, and workload scheduling strategies that reduce energy cost and carbon intensity. • Collaborate with ML/systems engineers to integrate custom kernels into training/inference pipelines. • Benchmark against CPU/GPU baselines and drive continuous performance improvements. • Contribute to internal libraries, documentation, and best practices for GPU performance engineering.
Job Requirements
- 4+ years of experience writing production CUDA code, or equivalent strong project/industry experience.
- Deep understanding of GPU architecture (SMs, warps, memory hierarchy, occupancy).
- Proficiency in C++ and CUDA; experience with Python for tooling/orchestration.
- Experience with performance profiling tools (Nsight Systems/Compute).
- Familiarity with multi-GPU/multi-node scaling (NCCL, MPI, RDMA/InfiniBand).
- Strong grasp of memory optimisation, kernel fusion, and parallel algorithm design.
- Comfortable working across the stack from low-level kernels to system-level infrastructure.
- Nice to Have**
- Experience with Triton, cuDNN, cuBLAS, or custom ML inference/training frameworks.
- Exposure to data center power/thermal management or demand-response systems.
- Background in HPC, quantitative finance, or large-scale distributed systems.
- Familiarity with Kubernetes/Slurm for GPU cluster orchestration.
- Interest or experience in energy markets, grid systems, or sustainability-focused compute.
Benefits
- Competitive salary and an equity sign-on bonus.
- Biannual bonus scheme.
- Fully expensed tech to match your needs.
- Breakfast and dinner allowance for office based employees.
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