Senior R&D Engineer - Multi-Die Routing & 3D IC

Synopsys Inc; Sunnyvale (CA); On-site; USD 180,000 - 240,000; Full time

Job summary

Synopsys is seeking a highly experienced software engineer to design and optimize advanced interposer routing algorithms for multi-die systems. You will implement routing engines in modern C++ (C++14/17/20), apply graph theory and computational geometry, and help refactor legacy modules for performance and reusability.

You will collaborate with a globally distributed R&D team across the US, India, and Asia, provide technical guidance, perform code reviews, and contribute to the routing

Qualifications

• 10+ years of software development experience in production-quality tools (EDA/CAD/geometry domains).
• Expert-level proficiency in modern C++ (C++14+), STL, templates, memory management, performance optimization.

Responsibilities

• Design and develop advanced interposer routing algorithms for multi-die systems, including signal routing and power/ground distribution.
• Implement and optimize routing engines in modern C++ (C++14/17/20) with focus on performance and memory efficiency.
• Apply graph theory and computational geometry to model routing constraints in 2.5D/3D chip architectures.
• Refactor legacy routing modules to improve reusability and reduce technical debt.
• Debug complex algorithmic issues and support deployments for application engineers.
• Collaborate with globally distributed R&D teams to align on architecture and API design.
• Provide technical guidance and code reviews to raise quality of the routing platform.

Skills

C++ (modern)

Graph algorithms

Routing algorithms

Code refactoring

Debugging

Team collaboration

Mentoring

Education

MS or PhD in CS/EE

Tools

EDA tools

VLSI flows

Job description

Synopsys is seeking a highly experienced software engineer to design and optimize advanced interposer routing algorithms for multi-die systems. You will implement routing engines in modern C++ (C++14/17/20), apply graph theory and computational geometry, and help refactor legacy modules for performance and reusability.

You will collaborate with a globally distributed R&D team across the US, India, and Asia, provide technical guidance, perform code reviews, and contribute to the routing