Principal Software Engineer (R&D Engineering) Spain Off-site Category: Engineering Posted: 09/07/2026 Job ID: 17564 - Ansys

We Are Synopsys is the leader in engineering solutions from silicon to systems, enabling customers to rapidly innovate AI-powered products. We deliver industry-leading silicon design, IP, simulation and analysis solutions, and design services. We partner closely with our customers across a wide range of industries to maximize their R&D capability and productivity, powering innovation today that ignites the ingenuity of tomorrow. You Are Building developer tools and libraries that engineers genuinely want to use is at the core of your engineering experience. Python is your main language, but working close to the system when needed also feels natural, including with compiled languages like C++ or C#, performance constraints, bindings, wrappers, and integration layers. You care about API design because it shapes how easily other engineers can build on your work. That means thinking through the interface, the abstraction, and the limits of the underlying system before committing to a direction. Clear communication is just as important as technical depth, as you will be working across different business units and geographies. At Synopsys, this means helping shape PyAnsys, the open source Python ecosystem that extends Ansys simulation and analysis tools across industries such as aerospace, automotive, and electronics. This is a fully remote position based in Spain. Candidates must be currently residing in Spain or willing to relocate prior to joining th