Top Remote C# Jobs in San Diego, CA

Lead Backend Engineer responsible for high-profile projects using backend technologies, team leadership, and deployment of scalable applications. Requires 10+ years of experience in software development, particularly with C# and .NET and cloud services.

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 development and maintenance of large-scale distributed systems and software platforms; design, test, deploy, and optimize applications used by physicians and patients; manage EDI analysts; collaborate with cross-functional teams to deliver technical solutions, monitor reliability, and drive system scalability and performance.

Senior Software Engineer responsible for developing complex features, mentoring junior engineers, collaborating on technical direction, and adhering to best practices in software delivery.

Lead a hands-on engineering team building shared backend and cloud platform services. Architect, code, and ship high-volume REST APIs and reusable libraries, drive secure SDLC and CI/CD, mentor engineers, and promote AI-augmented delivery practices.

Architect and modernize ReliaSoft Cloud and desktop products by driving cloud-native design, DevOps/platform engineering, CI/CD automation, and integrating AI/LLM capabilities. Guide security, scalability, API strategy, and mentor engineering teams to improve reliability, performance, and developer productivity.

Join the GOV/Sovereign Cloud SRE team to maintain and improve reliability for the Veeam Data Cloud. Responsibilities include incident response, SLIs/SLOs, observability (monitoring, alerting, dashboards), runbooks and documentation, IaC and CI/CD work in compliance-restricted environments, and participation in on-call rotations. Collaborate with engineering, security, and compliance teams to implement high availability and automation.

Design and implement high-performance, parallel algorithms in C++ and CUDA to accelerate dataframe and database operations. Contribute to open-source projects (cuDF, Velox, Presto, Spark), profile and optimize code, and collaborate with GPU hardware and software experts to build scalable data-processing libraries.

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.

Hands-on technical lead responsible for migrating a legacy VB.NET Web Forms system to ASP.NET Core, owning architecture, releases, security hardening, CI/CD, and mentoring an engineering team. Drive phased migration, coordinate cross-team dependencies, improve DevOps pipelines, enforce secure SDLC, and actively contribute to development and code reviews.

Provide technical leadership for instrumentation and controls design for industrial and municipal projects: develop specifications, control strategies, P&IDs, wiring and panel designs, support startup and testing, optimize process control networks, ensure ICS cybersecurity compliance, oversee instrumentation selection, and mentor junior staff while collaborating with multidisciplinary teams and clients.

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.

As a Senior Site Reliability Engineer, you'll analyze and improve software on production networks, automate debugging, and validate cost reductions while collaborating with development and QA teams.

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.

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