Senior HPC / CUDA Engineer

We are looking for a Senior HPC / CUDA Engineer to optimize high-performance scientific computing applications running on modern GPU platforms. You will work on computationally intensive workloads in the geoscience domain, focusing on seismic imaging and Full Waveform Inversion (FWI). The role combines low-level CUDA optimization, modern C++ development, GPU performance analysis, and distributed multi-GPU computing to improve the performance, scalability, and efficiency of scientific applications.

You will collaborate with experienced engineers working across HPC, numerical methods, GPU computing, and seismic data processing, contributing to the evolution of performance-critical software and complex computational workflows. Responsibilities Design, develop, and optimize CUDA kernels and GPU-accelerated applications for computationally intensive workloads Analyze and improve application performance across consumer and data-center NVIDIA GPU platforms Profile and investigate performance bottlenecks at the kernel, PTX, hardware, memory, and multi-GPU communication levels Optimize seismic imaging and Full Waveform Inversion (FWI) workloads to improve computational efficiency and scalability Develop and maintain distributed and multi-GPU computing solutions using technologies such as MPI, NCCL, and NVSHMEM Apply knowledge of GPU architecture, execution models, memory hierarchy, and modern CUDA capabilities to improve performance Develop and maintain high-quality scientific software components using C++ and Python Debug complex runtime issues and ensure the reliability and maintainability of performance-critical applications Contribute to the development and maintenance of scientific tools for seismic data preprocessing, post-processing, visualization, and analysis Work with scientific data formats and storage technologies, including HDF5 Collaborate with domain experts and engineering teams to analyze computational requirements, evaluate optimization approaches, and deliver effective technical solutions Requirements Strong experience in high-performance computing (HPC) and GPU-accelerated software development Advanced knowledge of CUDA programming and GPU performance optimization Deep understanding of NVIDIA GPU architecture, GPU execution models, memory hierarchy, and kernel optimization techniques Experience with GPU profiling, performance analysis, and systematic identification of computational bottlenecks Strong C++ development skills and experience working with performance-critical applications Practical experience optimizing computationally intensive workloads on modern GPU platforms Understanding of low-level GPU execution and performance analysis, including PTX Experience with distributed or multi-GPU computing and parallel programming concepts Strong analytical and problem-solving skills, with the ability to investigate complex performance and runtime issues Experience working with large-scale computational workloads where performance, scalability, and reliability are essential Nice to have Experience with seismic imaging, Full Waveform Inversion (FWI), or other geophysical computing applications Knowledge of numerical methods and computational algorithms used in scientific computing Hands-on experience with MPI, NCCL, and NVSHMEM Experience with HDF5 and scientific data processing or visualization tools Familiarity with seismic data preprocessing and post-processing workflows Experience developing or maintaining geoscience software and scientific computing tools Knowledge of modern CUDA features and advanced GPU optimization techniques Experience with build systems, software deployment, and debugging workflows for HPC applications Previous experience in other performance-critical domains, such as game engines, simulation, or scientific computing Kazakhstan (Prod) We connect like-minded people: Delivering innovative solutions to industry leaders, making a global impact Enjoyable working environment, whether it is the vibrant office or the comfort of your own home Opportunity to work abroad for up to two months per year Relocation opportunities within our offices in 55+ countries Corporate and social events We invest in your growth: Leadership development, career advising, soft skills and well-being programs Certifications, including GCP, Azure and AWS Unlimited access to EPAM's internal learning database Free English classes with certified teachers Discounts in local language schools, including online courses for the Kazakh language We cover it all: Participation in the Employee Stock Purchase Plan Monetary bonuses for engaging in the referral program Medical & family care package Six trust days per year (sick leave without a medical certificate) Coverage of psychology sessions of your choice Benefits package (sports activities, a variety of stores and services) Housing support program: preferential mortgage access via Otbasy Bank partnership Armenia (Prod) We connect like-minded people Delivering innovative solutions to industry leaders, making a global impact Enjoyable working environment, whether it is the vibrant office or the comfort of your home Opportunity to work abroad for up to two months per year Relocation opportunities within our offices in 55+ countries Corporate and social events We invest in your growth Leadership development, career advising, soft skills and well-being programs Certifications, including GCP, Azure and AWS Unlimited access to EPAM's internal learning database Free English classes with certified teachers We cover it all Participation in the Employee Stock Purchase Plan Monetary bonuses for engaging in the referral program Comprehensive medical & family care package Four trust days per year for personal needs Discounts for fitness clubs Benefits package (hotels, restaurants, stores and services) Georgia (Production) We connect like-minded people Delivering innovative solutions to industry leaders, making a global impact Enjoyable working environment, whether it is the vibrant office or the comfort of your own home Opportunity to work abroad for up to two months per year Relocation opportunities within our offices in 55+ countries Corporate and social events We invest in your growth Leadership development, career advising, soft skills and well-being programs Certifications, including GCP, Azure and AWS Unlimited access to EPAM's internal learning database Free English classes with certified teachers We cover it all Participation in the Employee Stock Purchase Plan Monetary bonuses for engaging in the referral program Comprehensive medical & family care package Five trust days per year (sick leave without a medical certificate) Benefits package (sports activities, a variety of stores and services) Uzbekistan (Prod) We connect like-minded people: Delivering innovative solutions to industry leaders, making a global impact Enjoyable working environment, whether it is the vibrant office or the comfort of your own home Opportunity to work abroad for up to two months per year Relocation opportunities within our offices in 55+ countries Corporate and social events We invest in your growth: Leadership development, career advising, soft skills and well-being programs Certifications, including GCP, Azure and AWS Unlimited access to EPAM's internal learning database Free English classes with certified teachers Discounts in local language schools, including offline courses for the Uzbek language We cover it all: Monetary bonuses for engaging in the referral program Medical & family care package Four trust days per year (sick leave without a medical certificate) Discounts for fitness clubs, dance schools and sports programs Benefits package (sports activities, a variety of stores and services) Kyrgyzstan (Prod) We connect like-minded people: Delivering innovative solutions to industry leaders, making a global impact Enjoyable working environment, whether it is the vibrant office or the comfort of your own home Opportunity to work abroad for up to two months per year Relocation opportunities within our offices in 55+ countries Corporate and social events We invest in your growth: Leadership development, career advising, soft skills and well-being programs Certifications, including GCP, Azure and AWS Unlimited access to EPAM's internal learning database Free English classes with certified teachers We cover it all: Monetary bonuses for engaging in the referral program Medical & family care package Six trust days per year (sick leave without a medical certificate) Coverage of psychology sessions of your choice Discounts for fitness clubs and sports programs Benefits package (sports activities, a variety of stores and services)