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 We’re doing work that matters. Help us solve what others can’t.