Top C# Jobs in Portland, OR

Perform civil/structural engineering and design tasks for power plant upgrades and new projects under senior supervision. Assist with calculations, modifications, equipment walkdowns, and design changes to improve plant performance, safety, and reliability. Work involves field and office duties, travel to client sites, and maintaining unescorted nuclear plant access.

Build, integrate, and stress-test full-stack applications and backend services that leverage advanced AI models. Develop production APIs, front-end features, databases, and cloud infrastructure; troubleshoot integrations; prototype rapidly and deliver high-quality code and documentation in fast-moving environments.

Develop, design, code, and debug device drivers and low-level software for Intel-based Windows and/or Linux systems. Review architecture and design specs, implement solutions using formal SDLC processes, and collaborate within an engineering team.

Develop commercial-quality C/C++ hardware emulation and simulation software for pre-silicon environments. Read hardware specifications and Verilog RTL, write unit and automated regression tests, manage releases/configuration, and collaborate across a geo-dispersed team. Onsite commitment in Oregon required; driver/embedded/BIOS experience and prior EDA experience are beneficial.

Develop and maintain three-tier ASP.NET/C# enterprise web applications. Write unit and automated integration tests, implement Selenium browser automation, deploy to CI environments, work in Agile/Scrum teams, and collaborate on design, documentation, and refactoring while supporting relational database development.

Develop and optimize ultra-low-latency, high-performance trading infrastructure in modern C++. Implement and tune order execution, market data connectivity, multi-threaded systems, and risk modules. Profile and benchmark real-time systems, collaborate with quants and traders, and maintain robust, fault-tolerant continuous trading operations.

Develop and maintain mobile app and no-code quest editor, implement gameplay engine and server, design software architecture, and collaborate in one-week Scrum sprints using C++, Qt, QML, MySQL, and AI-assisted tools.