Top C# Jobs in San Diego, CA

Hands-on platform engineering lead supporting platform modernization, API integrations, Azure migrations, DevOps readiness, data migration (PHI/PII aware), risk identification, and technical documentation while coordinating cross-functional teams.

The Staff/Principal Engineer will lead AI-assisted engineering efforts, architect solutions using C#, React, and Python, and drive MLOps initiatives while mentoring senior engineers in a healthcare technology context.

The Sr. Quality Assurance Automation Engineer creates and executes automated tests and maintains regression suites for multiple products, ensuring high-quality releases.

The Senior Software Engineer is responsible for developing, testing, and maintaining SkySlope software. This role requires collaboration, innovation, and continuous learning with a focus on quality and delivery of software projects.

The Senior Software Development Engineer will develop applications using modern programming languages, provide leadership and mentoring, ensure software quality, and lead software improvement initiatives.

Develop high-performance C++ core framework software enabling collaborative autonomy across air, ground, and maritime domains. Integrate with domain platforms, optimize real-time performance, automate tooling and testing, and collaborate with autonomy engineers, product teams, and customers. Role requires travel for integrations/demos and US citizenship with eligibility for a U.S. Secret clearance.

Design and implement multi-agent optimization and planning algorithms for real-time decision-making and human-machine teaming. Develop temporal logic and constraint-satisfaction frameworks, model sequential decision processes under uncertainty, and build efficient, human-interpretable computational systems. Profile, evaluate, and optimize algorithm performance in containerized Linux environments, and collaborate on systems used across air, land, sea, and space domains with defense-focused deployment requirements.

The Lead Data Engineer will architect and develop a healthcare data platform on GCP, guiding teams in pipeline development, data modeling, and ensuring compliance with HIPAA. They will collaborate across functions, set technical directions, and mentor junior engineers.

Contribute to and optimize the performance of ClickHouse, assist with debugging, collaborate with teams, and engage with the open-source community.

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.

As a Senior Software Engineer - C++ GPU Performance, you will optimize GPU algorithms, monitor performance metrics, and influence design decisions for self-driving technology.

The role involves optimizing GPU-based algorithms, developing benchmarking frameworks, analyzing performance metrics, and facilitating efficient code development for autonomous vehicle systems.

Design high-performance C++ libraries for automated PCB design challenges, mentoring peers and shaping technical direction while collaborating with experts in various fields.

Lead development and management of production test systems for satellite payloads and ground terminals, ensuring quality and reliability across hardware systems.

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 a quest gameplay engine for game server and mobile apps and build a visual no-code quest editor. Collaborate in one-week Scrum sprints, design software architecture, and use C++/Qt, JavaScript/TypeScript, git, and Linux.

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.

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.