Senior HPC / CUDA Optimization Engineer

Quick Facts

• Role: Senior HPC / CUDA Optimization Engineer

Description

Design, develop, and optimize CUDA kernels for large-scale scientific and engineering applications. Use GPU profiling to analyze and improve performance by identifying and resolving bottlenecks. Implement and optimize distributed and multi-GPU computing solutions using MPI, NCCL, and NVSHMEM, while maintaining high-performance C++ and Python code.

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 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

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 work model with opportunity to work remotely within Poland

• Opportunity 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

• Certifications (Anthropic, Gemini, GCP, Azure, AWS) and English classes

• Stable pay and participation in the Employee Stock Purchase Plan (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 and coffee) and corporate/social/well-being events