CFD software enginner

At Cadence, we hire and develop leaders and innovators who want to make an impact on the world of technology. Overview We are seeking a talented CFD Software Development Engineer to join our CFD R&D team in Japan. This role focuses on the development and enhancement of next-generation GPU accelerated CFD simulation technologies which also include AI assisted simulation methods.

The successful candidate will contribute to solver development and helping evolve the product toward modern AI-enabled engineering workflows. This position offers a unique opportunity to work at the intersection of computational physics, high-performance computing, and AI-assisted engineering systems.

Responsibilities In the context of CFD Solver Development, you will do

• Design, implement, and maintain CFD solver capabilities on GPU platforms.
• Investigate and resolve complex technical issues reported by customers and internal teams.
• Develop and maintain AI-ready product and services.
• Design structured APIs and tool interfaces that enable AI systems to interact with simulation products safely and effectively.
• Build software components that expose product functionality to AI agents and intelligent workflows.
• Support integration of simulation technologies into modern AI ecosystems.
• Contribute to the adoption of AI-native software engineering practices across the product portfolio.
• Participate in architecture discussions and long-term platform evolution.
• Develop automated testing, validation, and CI/CD workflows.
• Produce high-quality, maintainable, and well-documented software.
• Collaborate effectively across geographically distributed teams.

Required Qualifications

• PhD in:

• Mechanical Engineering, Aerospace Engineering, Applied Mathematics, Computational Science, Artificial Intelligence, or a related discipline

• Strong software development skills in:

• C++ and Python.

• One of GPU computing languages such as CUDA, OpenCL, OpenACC, OpenMP offloading.

• Message Passing Interface

• Knowledge of one or more of the following:

• Computational Fluid Dynamics (CFD)

• High-Performance Computing (HPC)

• Artificial Intelligence

• Strong analytical and problem-solving skills.

• Ability to communicate technical concepts effectively in English.

Preferred Qualifications CFD / Scientific Computing

• Experience developing simulation software, solvers, or numerical algorithms.
• Knowledge of finite volume method.

AI Native Development Experience In One Or More Of The Following Areas

• Python application development
• REST API design and implementation
• Agent frameworks and agent-based systems
• Tool calling and structured AI workflows
• LLM application development
• Workflow automation technologies

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