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Flexcompute

Cloud CAE for fluid, thermal, EM

CFD Geometry and Meshing Developer

Full-Time
No salary listed
Senior
Bachelor's, Master's, PhD
Watertown, MA, USA
In Person
Software EngineeringBackend Engineering

About the job

Requirements
  • A Bachelor's or Master's degree in Computer Science or a related field, with a solid foundation in computer science and networking.
  • Strong background in computational geometry, graphics, and meshing, with knowledge of numerical approximations.
  • Proficiency in C, C++, CUDA, MPI, and OpenMP for scientific computing, plus Python or a similar language for scripting.
  • At least 5 years of work experience, including at least 3 years in meshing or graphics-intensive development with proven contributions; exceptional candidates may be considered with relaxed criteria.
  • Ability to analyze and solve problems through design solutions.
  • Ability to work in a fast-paced and dynamic environment.
Responsibilities
  • Design and develop parallel, scalable, and real-time algorithms for geometry manipulation, meshing, mesh adaptation, and interactive 3D visualization tools.
  • Profile and optimize feature implementations to improve speed and scalability on central processing units and graphics processing units.
  • Collaborate with teams developing user-interface and scientific visualization tools and technologies, prioritizing user experience.
  • Engage with Product Management, Quality Assurance, and Documentation teams to accomplish product milestones in a timely manner.
  • Follow sound software engineering practices, including continuous integration and code review, while producing maintainable, extensible, and robust code.
Desired Qualifications
  • Industry experience implementing and testing new features in commercial meshing software for computational fluid dynamics solvers.
  • A PhD in Computational Science and Engineering, Mechanical Engineering, or Aerospace Engineering.
  • Expertise in adaptive mesh refinement.
  • Expertise in Delaunay triangulation or the advancing front method.
  • Expertise in multithreaded data structures for surface and volume meshing.
  • Experience developing scalable, parallel scientific software using MPI, OpenMP, or CUDA.
  • Expertise in scientific visualization techniques.

About the company

Flexcompute offers cloud-based CAE (computer-aided engineering) software that provides proprietary tools for simulating fluid dynamics, thermal analysis, and electromagnetic physics. The platform is delivered as a service, letting engineers run complex simulations in the cloud without needing powerful local hardware, thereby speeding up product design and reducing development costs and risks. Its software-hardware co-design approach enhances the speed and accuracy of simulations, helping manufacturers, semiconductors, and other industries optimize designs efficiently. The company differentiates itself by combining multi-physics simulation capabilities with scalable cloud resources and a focus on making advanced computational analysis accessible to engineers and designers. The goal is to accelerate R&D cycles and enable more reliable, cost-effective hardware development.

Company Size

51-200

Company Stage

Late Stage VC

Total Funding

$82M

Headquarters

Watertown, Massachusetts

Founded

2016

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What believers are saying

  • April 21, 2026 Northrop Grumman said Flexcompute cut mission prep time 100X.
  • AI data-center photonics demand rises as electrical interconnects choke large-model infrastructure.
  • March 17, 2026 AutoInsight turns legacy CFD data into real-time automotive design decisions.

What critics are saying

  • Cadence, Ansys, and Synopsys can bundle competing photonics workflows by 2027.
  • Qualified-customer access at GlobalFoundries signals narrow enterprise adoption and long procurement cycles.
  • If NVIDIA or Cadence internalize Physics AI, Flexcompute becomes a feature, not a company.

What makes Flexcompute unique

  • June 1, 2026 autonomous agents design photonic chips end-to-end without human intervention.
  • March 19, 2026 Cadence integration embeds GPU-accelerated multiphysics directly into designers' existing workflows.
  • GlobalFoundries PDK integration gives PhotonForge foundry-verified photonics parameters unavailable in generic simulators.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

Gym Membership

Company Equity

Remote Work Options

Flexible Work Hours

Growth & Insights and Company News

Headcount

6 month growth

-2%

1 year growth

-2%

2 year growth

0%
RuntimeWire
Oct 12th, 2026
Flexcompute raises strategic investment from Samsung Ventures and Applied Ventures.

Flexcompute raises strategic investment from Samsung Ventures and Applied Ventures. The investment will fund research and GPU capacity; Flexcompute disclosed neither its size nor the identities of other participants. By RuntimeWire Staff - Published Oct 12th, 2026, 10:15am CT - 4 MIN READ - 4 SOURCES - VIA PR Newswire Listen to article. Flexcompute's co-founder, Zongfu Yu, built the company around a familiar engineering frustration: getting an answer from a simulation could take longer than thinking up the next design. On October 12th, Flexcompute announced a strategic investment from Samsung Ventures and Applied Ventures, the venture arm of... RuntimeWire, Inc. get virtually zero search traffic. Please consider sharing this story. Signal check Noise Signal Where does this story land? Drag the dial. The startup Flexcompute builds trusted, GPU-native physics simulation and AI automation for engineering teams. Flexcompute provides GPU-native physics simulation and AI-powered automation for teams designing aircraft, vehicles, chips, and photonics. Its platform combines geometry processing, AI-accelerated analysis, automated design optimization, and GPU-native solvers to deliver faster, traceable physics-based answers and build living "Physics Twins" of designs. The company says it is trusted by more than 250 companies and academic institutions, including Anduril, Coherent, Joby, Northrop Grumman, Samsung, and Xanadu. Its site reports more than 100 team members, 65 PhDs, and 20,000 users, and describes a cloud-first architecture designed to scale simulation resources elastically. Investors. Samsung Ventures Applied Ventures Stay on the wire. Breaking startup & AI news, funding scoops, and launches as they happen. Follow @runtimewire on Threads and LinkedIn.

PR Newswire
Oct 12th, 2026
Flexcompute gets Samsung and Applied Materials backing for physics-based AI world model

Flexcompute, a Boston-based physics AI company, has raised strategic investment from Samsung Ventures and Applied Ventures, the venture arm of Applied Materials, among other investors. The amount was not disclosed. The money will fund work on the Physics World Model, AI that predicts how a design will behave in the real world by learning the laws of physics rather than only patterns in data. Flexcompute will use it to grow its research team, scale GPU compute, and extend the model across fluids, electromagnetics, structures, heat, and multiphysics couplings. Flexcompute says it solved a 5-billion degree-of-freedom warpage model of a full advanced semiconductor package within 2% of commercial finite-element results in minutes. Customers access the model through Physics Twins, and more than 250 companies use its tools.

PR Newswire
Oct 6th, 2026
Flexcompute collaborates with Starlab and Voyager on gpu-native simulation of critical Space Station Life Support System.

Flexcompute collaborates with Starlab and Voyager on gpu-native simulation of critical Space Station Life Support System. Oct 06, 2026, 08:49 ET Leading CFD platform provider helps Starlab's life support team model airflow inside the commercial successor to the International Space Station BOSTON, Oct. 6, 2026 /PRNewswire/ - Flexcompute, the physics company, today announced it is collaborating with Starlab Space and Voyager Technologies (NYSE: VOYG) to simulate cabin airflow inside Starlab, the commercial space station designed to succeed the International Space Station (ISS). On a space station, air does not move on its own. In microgravity, warm air does not rise, and the carbon dioxide crew members exhale can linger around them unless the ventilation system keeps it moving. Starlab's Environmental Control and Life Support System (ECLSS) has to circulate fresh air through every part of the station and keep the crew comfortable. Because Starlab is designed to launch in a single flight, that design has to be right before it leaves the ground. Flexcompute used Flow360, its GPU-native computational fluid dynamics (CFD) platform, and GeometryAI, its automated geometry preparation engine, to model airflow across the full station interior. The first study closely matched Starlab's existing models in a fraction of the time traditional CFD tools take. The teams are now extending the work to model how the carbon dioxide crew members exhale moves through the cabin and how the life support system removes it. "Building a commercial space station takes partners who move at our pace," said Jonathan O'Neill, Atmosphere Management System Lead at Starlab Space. "Flexcompute's engineers paved new ground in cabin ventilation CFD. That level of expert support gives us more confidence as Starlab moves from design into production." "Life support airflow can't be fully tested on the ground, so simulation carries much of the design work," said Vera Yang, Co-founder and President of Flexcompute. "Working with Starlab's ECLSS team shows what GPU-native physics makes possible for commercial space: faster answers, earlier in design, so engineers can move forward with confidence." About Starlab Starlab Space is a U.S.-led, global joint venture among Voyager Technologies (NYSE: VOYG), Airbus, Mitsubishi Corporation, MDA Space, Palantir Technologies, and Space Applications Services, with strategic partners including Hilton, Journey, Northrop Grumman, and The Ohio State University. Starlab is developing a next-generation, AI-enabled commercial space station to ensure continued human presence in low Earth orbit and a seamless transition of microgravity science and research alongside the retirement of the International Space Station. Starlab's advanced, user-driven design and robust capabilities make it a premier platform for scientific discovery and technological advancement in space. For more information, visit starlab-space.com. About Flexcompute Flexcompute is a frontier AI lab building a Physics World Model that bridges data-driven AI and the laws of physics. Founded by researchers from Stanford and MIT, its team of more than 70 PhDs develop GPU-native solvers for fluid dynamics, electromagnetics, structures and heat, and integrate physics-based computation into AI agents through tokenized physics. This creates a verification layer that grounds AI predictions in trusted physics and helps engineers and AI agents evaluate how designs will perform before they are built. Engineering teams at more than 250 companies across aerospace, automotive, semiconductors, photonics and advanced manufacturing use Flexcompute to evaluate, explore and optimize designs, allowing them to innovate with confidence. Learn more at flexcompute.com. | Media Contacts | / | | Flexcompute | Starlab Space | | Silvie Casanova | Melissa Price | | [email protected] | [email protected] | | Voyager Technologies | / | | Nora Ellish | / | | [email protected] | / | SOURCE FlexCompute Inc.

PR Newswire
Jun 1st, 2026
Flexcompute launches autonomous AI agents for photonic chip design in hours

Flexcompute has introduced the first fully autonomous agent-driven system for end-to-end photonic chip design. The system uses AI agents to propose designs, run physics simulations, verify fabrication constraints and iterate independently, producing tapeout-ready layouts in hours rather than weeks. The technology combines Tidy3D Multiphysics solver, PhotonForge foundry process design kits, and GPU clusters to enable rapid iteration across optical, electrical and thermal physics. Agents now complete designs that previously required senior photonic engineers, finishing them in overnight runs. Flexcompute is among the first companies deploying autonomous AI engineers with NVIDIA NemoClaw, announced at COMPUTEX 2026. The system works across platforms including Anthropic's Claude and OpenAI's Codex. The architecture will extend to electromagnetics, heat transfer and computational fluid dynamics applications.

PR Newswire
Apr 21st, 2026
Flexcompute and Northrop Grumman cut space mission prep time by 100X using AI physics models

Flexcompute and Northrop Grumman have developed an AI Physics model using NVIDIA technology that reduces space mission preparation time by 100 times. The system accurately predicts thruster impingement effects during space docking in real time, a process that traditionally required months of simulation. The breakthrough addresses plume impingement, where rocket thruster exhaust interacts with nearby spacecraft structures in space's vacuum. Built on NVIDIA Physics NeMo, the model delivers predictions in seconds rather than months whilst providing uncertainty estimates for mission-critical decisions. The technology enables more efficient spacecraft operations through improved plume interaction modelling, allowing for more confident control strategies, lighter structural margins and more efficient fuel usage. This supports longer mission lifetimes and more sustainable space operations, advancing capabilities in station keeping, rendezvous and space robotics.