Senior HPC Software Engineer - CUDA/C++, OpenMP Expert

Bolt Graphics, Inc.; Sunnyvale (CA); On-site; USD 165,000 - 300,000; Full time

Benefits offered by this job

Medical, Dental, & Vision - 100% paid

Equity - Stock Options

401(k) match

Job summary

Bolt Graphics, Inc. is seeking an experienced HPC Software Engineer in Sunnyvale, CA to design, implement, and optimize high-performance computing software. The role emphasizes C/C++, Python, and Linux with deep parallel computing expertise for CPU and GPU architectures.

The candidate should typically have 5+ to 10+ years of experience in HPC environments, with senior or principal- level potential. Responsibilities span from algorithms, performance tuning, to hardware acceleration and

Qualifications

• Strong expertisewith HPC software development tools, libraries, and frameworks, including OpenMP, TBB (oneTBB), and CMake.
• Experience with HPC use cases: physics simulations, fluid dynamics, molecular dynamics.
• Expert-level proficiency in C, C++, Python, and Linux.
• Strong understanding of parallel computing concepts, concurrency, multithreading, and performance optimization.
• Strong applied experience with CPU/GPU computing architectures and optimization techniques, including CUDA, AVX, SIMD, and SIMT.
• Hands-on experience enabling software on GPUs.
• Comfortable working across abstraction layers from architecture concepts to implementation and debugging.
• Ability to work independently on complex engineering problems and collaborate effectively with distributed teams.
• Ability to collaborate with cross-functional teams to translate complex mathematical and computational requirements into efficient software solutions.

Responsibilities

• Design, develop, and optimize high-performance software using C, C++, Python, and Linux-based environments.
• Implement and optimize parallel computing algorithms for modern CPU and GPU architectures.
• Develop and optimize software by using parallel programming models and hardware acceleration technologies, including OpenMP, CUDA, SIMD, SIMT, AVX, and SVE.
• Analyze application performance, identify computational bottlenecks, and improve execution speed and memory efficiency.
• Develop and maintain HPC applications supporting computationally intensive workloads, including physics simulations, fluid dynamics, molecular dynamics, and scientific computing.
• Improve code generation, execution efficiency, and hardware utilization by working at the systems and compiler level.
• Identify and mitigate potential risks and issues in HPC projects.
• Conduct research and experiments to drive continuous improvement and innovation in HPC architecture.
• Drive the development and implementation of new HPC features and technologies.
• Contribute to software architecture, technical design decisions, code reviews, and engineering best practices.

Skills

C/C++

Python

Linux

OpenMP

TBB

CMake

CUDA

AVX

SIMD

SIMT

Parallel computing

GPU programming

Education

Applied Mathematics

Electrical Engineering

Computer Engineering

Computer Science

Physics

Tools

Julia

LLVM

Compiler infrastructure

Compiler optimization

GPU software tooling

Job description

Bolt Graphics, Inc. is seeking an experienced HPC Software Engineer in Sunnyvale, CA to design, implement, and optimize high-performance computing software. The role emphasizes C/C++, Python, and Linux with deep parallel computing expertise for CPU and GPU architectures.

The candidate should typically have 5+ to 10+ years of experience in HPC environments, with senior or principal- level potential. Responsibilities span from algorithms, performance tuning, to hardware acceleration and