Senior HPC / CUDA Optimization Engineer

Quick Facts

• Role: Senior HPC / CUDA Optimization Engineer

Description

The role focuses on designing, developing, and optimizing CUDA kernels for large-scale scientific and engineering applications. You will analyze and improve GPU performance with profiling tools, implement distributed and multi-GPU solutions using MPI/NCCL/NVSHMEM, and maintain high-performance C++ and Python code for performance-critical systems. You’ll also debug complex performance and memory issues across GPU architectures and distributed environments.

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 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 HPC, numerical methods, and GPU computing best practices to improve 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 distributed and multi-GPU computing experience (MPI, NCCL, NVSHMEM)

• Experience developing and optimizing performance-critical, high-load software systems

• Strong debugging and software architecture skills

Benefits

• Career development programs

• Thought leadership, mentoring, soft skills, and well-being programs

• Certification support (Anthropic, Gemini, GCP, Azure, AWS)

• 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

• Hybrid work (remote within Poland by design)

• Opportunity to work abroad up to 60 days annually

• Business-driven relocation opportunities

• Corporate, social, and well-being events