Rarefied Flow Solver Developer

Flexcompute Inc.; City of Watertown (NY); Presencial; USD 120.000 - 190.000; Tempo integral

Benefícios oferecidos por esta vaga

Competitive compensation with equity

Medical, dental, and vision health 보험

401(k) Contribution

Gym allowance

Friendly, thoughtful coworkers

Resumo da vaga

Flexcompute Inc. in Watertown, NY seeks an experienced software developer to contribute to rarefied gas simulation software and AI tools for GPUs. You will design and implement fast, robust algorithms, and help scale simulations for industrial applications.

The role offers collaboration across multi-physics teams and a path within a fast-growing startup. Join a team of experts to advance scalable solvers, maintainable APIs, and production-grade software for high-performance engineering

Qualificações

• Master's degree or PhD in a technical field with 0-3 years of experience.
• Strong background in Rarefied Gas Dynamics or CFD-related fields.
• Experience with CUDA/HIP/OpenMP parallel computing.
• Proficiency in C++ and Python for scripting.
• Familiarity with git and Linux command line.

Responsabilidades

• Independently implement, test, and document new solver features.
• Profile and optimize code for speed and scalability on CPUs/GPUs.
• Contribute to a clean, maintainable API and codebase.
• Collaborate with UI and visualization teams to integrate tools.
• Support product milestones with engineering rigor and documentation.

Conhecimentos

C++ for scientific computing

Python scripting

Git

Linux CLI

Numerical methods

Formação

Master's degree or PhD in a technical field

Ferramentas

CUDA

HIP

MPI

OpenMP

Descrição da vaga

Flexcompute is a cutting-edge technology startup that specializes in ultra-fast simulation technology. Our products are utilized by companies in designing and optimizing technology products, with applications ranging from designing airplanes and cars to wind turbines and quantum computing chips. Our customer base includes both household names and startups in emerging industries. Our company was founded by world-renowned leaders in simulation technology from Stanford University and MIT. Backed by top VC firms, we are poised to disrupt the billion-dollar engineering simulation industry with our fast-growing trajectory.

Flexcompute is seeking an experienced software developer to contribute to a rarefied gas simulation software and AI tool designed for GPUs. The successful candidate will have a critical role in designing and implementing cutting-edge algorithms with an emphasis on speed, robustness, accuracy, and scalability. This position offers a unique opportunity to explore state-of-the-art rarefied gas prediction and artificial intelligence algorithms in a production environment. The candidate will gain experience working with highly experienced professionals and be an integral part of the product development, release, maintenance, and support phases. Over time, the strong collaborative nature of this role offers exposure to Flexcompute’s sophisticated multi-physics simulation and design optimization technologies.

What You Will Do:

• Independently implement, test, and document new solver features
• Profile and optimize feature implementation to improve speed and scalability on CPUs/GPUs
• Contribute to a clean and maintainable API for various functionalities
• Contribute to general source code maintenance and other relevant software development activities (bug fixes, support, etc)
• Collaborate with teams developing agentic user interface and scientific visualization tools/technologies
• Collaborate with Product Management, QA, and Documentation teams to accomplish product milestones in a timely manner
• Follow sound software engineering practices. The code we write today will underpin our platform simulation products for years to come – it needs to be maintainable, extensible and robust
• Make user experience a priority. We strive to make the complexity inherent in fluid simulations manageable by way of intuitive controls and straightforward workflows
• Deliver robust and high-performance simulations for industrial applications that involve management of large amounts of data

• Strong background in Rarefied Gas Dynamics, Fluid Mechanics, Structural Mechanics, Aeroacoustics, Conjugate Heat Transfer, or adjacent fields
• Knowledge of numerical methods for solving rarefied flows such as Direct Simulation Monte Carlo (DSMC), Particle-in-Cell (PIC), or lower-fidelity engineering methods; knowledge of solving discretized Navier Stokes equations for compressible flows.
• Basics of computational geometry and meshing requirements for CFD simulations
• Proven experience in and contributions to complex rarefied gas or CFD solvers
• C++ for scientific computing and Python (or similar) for scripting
• Master degree or PhD in an applicable technical field with 0-3 years of industry experience
• Familiar with version control systems such as git and the Linux command line

Preferred:

• Industry experience with implementation and testing of new features in commercial gas dynamics or CFD solvers
• Prior experience in working collaboratively in a medium sized distributed development team
• PhD in Computational Science and Engineering, Mechanical Engineering or Aerospace Engineering
• Expertise in one or more of the following topics:
  • Rarefied gas dynamics: kinetic theory and molecular gas dynamics, plume impingement (chemical and plasma plumes), plume-surface interactions, reacting plumes, lunar/Martian dust propagation, Hall effect thrusters, etc.
  • Direct Simulation Monte Carlo (DSMC), Particle-in-Cell (PIC) techniques for modeling rarefied gases or plasmas
  • AI surrogate models of fluid dynamics
  • Surface and volumetric meshing for CFD
  • Development of scalable, parallel CFD solvers using CUDA, HIP, MPI, OpenMP.

• Competitive compensation with equity of a fast-growing startup.
• Medical, dental, and vision health insurance.
• 401(k) Contribution.
• Gym allowance.
• Friendly, thoughtful, and intelligent coworkers.

Join Us

As our market and products grow, we are rapidly expanding and searching for partners who are eager to grow in a dynamic environment, possess an entrepreneurial spirit, and can scale our team. Flexcompute is dedicated to providing equal employment opportunities. We firmly believe that talent from diverse backgrounds can bring our company a rich and varied perspective. We warmly welcome candidates from all backgrounds to join us on this passionate and challenging journey, together facing the most compelling challenges in engineering computation.

Join Flexcompute, where your expertise in advanced computing will contribute to accelerating innovation in various fields for the next industrial renaissance.

Flexcompute is dedicated to promoting diversity, equity, and inclusion in the workplace. We are an equal opportunity employer that recognizes the value of diverse perspectives in achieving our mission. We encourage candidates from all backgrounds to apply.