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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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About Cadence

Cadence is a pivotal leader in computational software.

Size: 10,000+ employees
Industry: Technology

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