Lead HPC / CUDA Optimization Engineer

We are seeking an experienced Lead HPC / CUDA Optimization Engineer with strong expertise in modern C++, CUDA, GPU computing, and performance optimization for large-scale scientific and engineering applications. In this role, you will remain highly hands-on while also providing technical leadership, mentoring engineers, and helping drive architectural and performance-related decisions across the team.

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
• 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
• Provide technical leadership and guidance on GPU optimization, performance engineering, and software architecture
• Drive engineering best practices and contribute to technical decision-making for HPC and GPU-accelerated solutions

Requirements

• 8+ 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
• Experience developing and optimizing performance-critical, high-load software systems
• Strong debugging and software architecture skills
• Proven ability to lead technical initiatives and collaborate effectively with cross-functional teams
• English proficiency at B2 level or higher

Nice to have

• Hands-on experience with distributed and multi-GPU computing (MPI, NCCL, NVSHMEM)
• Experience with RTM/FWI, seismic imaging, or geoscience applications
• Development of HDF5-based data viewing and analysis tools
• Familiarity with scientific computing and numerical methods

We offer

• We gather like-minded people:
• Top tech minds driving innovation in AI, cloud and digital platform modernization
• Supportive team and agile, startup-like culture
• Hybrid by design mode and opportunity to work remotely within Poland
• Chance to work abroad for up to 60 days annually
• Business-driven relocation opportunities
• We provide growth opportunities:
• Career development programs
• Thought leadership, mentoring, soft skills and well-being programs
• Certification (Anthropic, Gemini, GCP, Azure, AWS)
• English classes
• We cover it all:
• Stable pay
• Participation in the Employee Stock Purchase Plan with a 15% discount
• Benefits package (health insurance, multisport, shopping vouchers)
• Referral bonuses up to $2,000
• Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more
• Corporate, social and well-being events
• Please, note:
• Benefits listed above are available to employees only
• We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually
• We will reach out to selected candidates exclusively

EPAM is global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.