Senior HPC / CUDA Optimization Engineer

Quick Facts

• Role: Senior HPC / CUDA Optimization Engineer
• Focus: CUDA kernel optimization, GPU performance profiling, and distributed multi-GPU computing

Description

We are seeking an experienced HPC / CUDA Optimization Engineer with strong expertise in modern C++, CUDA, GPU computing, and performance optimization for large-scale scientific and engineering applications. You will design, develop, and optimize CUDA kernels, improve GPU performance using profiling tools, and implement distributed multi-GPU solutions using MPI, NCCL, and NVSHMEM. The role also includes maintaining high-performance C++ and Python code and debugging complex performance and memory issues across GPU architectures and distributed systems.

Responsibilities

• Design, develop, and optimize CUDA kernels for large-scale scientific and engineering applications
• Analyze and improve GPU performance using profiling tools to identify and resolve bottlenecks
• Implement and optimize distributed and multi-GPU computing solutions using MPI, NCCL, and NVSHMEM
• Develop and maintain high-performance C++ and Python code for performance-critical, high-load systems
• Collaborate with cross-functional teams to architect scalable and efficient software solutions
• Debug complex performance and memory issues across GPU architectures and distributed systems
• Research and apply best practices in HPC, numerical methods, and GPU computing to improve existing codebases

Requirements

• 5+ years of professional experience with C++ and Python development
• Deep knowledge of CUDA, GPU architecture, PTX, memory hierarchy, and kernel optimization
• Experience with GPU profiling, performance analysis, and bottleneck identification
• Hands-on experience with distributed and multi-GPU computing (MPI, NCCL, NVSHMEM)
• Experience developing and optimizing performance-critical, high-load software systems
• Strong debugging and software architecture skills

Benefits

• Hybrid by design mode with opportunity to work remotely within Poland
• Chance to work abroad for up to 60 days annually; business-driven relocation opportunities
• Career development programs; thought leadership, mentoring, soft skills and well-being programs
• Certification support (Anthropic, Gemini, GCP, Azure, AWS) and English classes
• Stable pay; Employee Stock Purchase Plan with a 15% discount
• Benefits package (health insurance, multisport, shopping vouchers)
• Referral bonuses up to $2,000
• Office amenities (entertainment and relaxation zones, table tennis and football, free snacks, coffee and more)
• Corporate, social and well-being events

Note: Benefits are available to employees only. B2B cooperation terms are agreed individually.