Senior C++ Software Engineer – Windows Desktop Applications

About the role

ETAP is looking for a Senior Software Engineer to join its R&D team in Irvine, CA. You will design, develop, and maintain high‑performance Windows desktop applications that support the company’s electrical digital twin platform. The role combines deep technical work with collaboration across product, engineering, and QA teams.

Key responsibilities

• Design, develop, and maintain high‑performance Windows desktop applications.
• Collaborate with product managers, engineers, and QA to deliver new features and enhancements.
• Build and optimise database‑driven solutions focusing on performance and scalability.
• Write clean, maintainable, and efficient code following best practices.
• Contribute to architectural decisions and technical direction.
• Continuously improve development processes, code quality, and system performance.
• Troubleshoot and resolve complex technical issues.

Required profile

• 7+ years of experience in Windows desktop application development.
• Strong proficiency in C++, C#, and Visual Studio.
• Solid experience with ODBC, SQL Server, and LocalDB.
• Deep understanding of database design, SQL queries, stored procedures, and performance tuning.
• Experience with multithreading and parallel programming.
• U.S. citizenship or permanent residency (no visa sponsorship).

Required skills

• C++
• C#
• Visual Studio
• ODBC
• SQL Server
• LocalDB
• Database design
• SQL queries and stored procedures
• Performance tuning
• Multithreading
• Parallel programming
• Object‑oriented design
• Standard Template Library (STL)
• Windows desktop application development