Top C# Jobs in San Diego, CA

Lead the design, development, and deployment of digital identity solutions for state governments, ensuring effective technology implementation and customer success.

Lead technical strategy and architecture for public sector digital identity solutions, ensuring technical excellence and customer success with hands-on involvement and high-level interactions.

Lead full-stack developer responsible for designing, building, and maintaining Salesforce Commerce Cloud e-commerce solutions and integrations (ERP/CRM). Mentor junior developers, provide technical leadership, troubleshoot issues, and deliver scalable, secure code while collaborating with cross-functional teams.

PrivateID seeks a Principal C++ Engineer with at least 10 years of experience to lead complex systems and scale their platform in a remote-first environment.

You will develop and maintain components of the LLVM based toolchain, collaborating with the community while ensuring platform-specific optimizations and tests.

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.

Design and optimize high-performance C++/CUDA libraries for GPU-based data processing. Improve multi-node GPU communication (UcxExchange), optimize Presto GPU query performance, and lead enhancements across Presto, Velox, and cuDF projects for efficient DataFrame and database acceleration.

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.

The RF Test Engineer designs and manages testing systems for satellite RF payloads, collaborates with design teams, and automates testing processes.

The Antenna Engineer will design, develop, and integrate advanced antenna systems for LEO satellite communication, focusing on phased array technology and RF components.

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.