Top Senior C# Jobs in San Diego, CA

Design, develop, and deliver scalable backend systems and components using .NET 10 and C#. Build and maintain databases and messaging infrastructure (PostgreSQL/SQL Server, RabbitMQ), deploy with Docker and AWS, apply DDD and ORMs, triage/prioritize work, and contribute to distributed, event-driven architecture with emphasis on reliability and idempotency.

Build and maintain scalable backend microservices and developer-facing APIs, lead projects end-to-end, collaborate with product and engineering teams, design secure/versioned APIs, and manage cloud infrastructure using IaC.

Build and maintain the GG App across Windows, macOS, and iOS including installers, background services, auto-update systems, enterprise deployment paths, health reporting, AWS backend, and documentation. Lead architecture decisions, mentor engineers, participate in on-call support, and champion AI adoption and automation across engineering.

Lead design and delivery of scalable, reliable software using C#/.NET, SQL Server, React, and Azure. Own complex initiatives from design through operations, mentor engineers, improve CI/CD, observability, and apply DDD/TDD/VSA practices. Use modern APIs, microservices or modular monoliths, and AI-assisted tooling to improve delivery.

The Sr. Vision Software Engineer will design, test, and integrate machine vision solutions, develop computer vision algorithms, and troubleshoot production issues while collaborating with engineering teams.

Lead a team responsible for payments and finance development, focusing on API integrations, security compliance, and team productivity improvements.

Seeking a Senior Full Stack .NET Developer to work on a social good project, with strong skills in C#, AngularJS, design, and UX. Requires 5+ years of experience.

As a Principal Software Engineer, you will architect AI-enabled systems, mentor teams, and guide technical decisions for scalable products.

The Associate Staff Engineer will lead automation testing efforts utilizing various tools and frameworks while mentoring teammates and implementing agile practices.

The Staff Engineer will leverage 5+ years of experience in C#, JavaScript, and frameworks to lead and innovate solutions in a collaborative environment.

As a Senior Full-Stack Engineer, you will design and deploy solutions for state governments, ensuring high standards of security and privacy while leading cross-functional teams.

Lead backend development using C#/.NET and cloud-native technologies. Build and maintain APIs, ensure quality and performance, troubleshoot issues, conduct code reviews, and drive software/process improvements.

Design, architect, and implement cloud-first full-stack software using Java/C# and JavaScript frameworks. Provide technical leadership, mentor engineers, improve architecture and performance, promote CI and automated testing, and support customer implementation and cloud platform operations.

The DevOps Engineer will enhance the DevOps culture within agile teams by implementing CI/CD, coaching, and developing quality products across various roles.

The SharePoint Developer will focus on architecture and development using SharePoint technologies, oversee web development, and support both legacy and new applications while consulting with project managers and clients.

Lead and grow a multidisciplinary engineering team across full-stack, data engineering, and BI. Own people management, technical direction (C#/.NET, SQL, Vue 3, Power BI), data pipeline reliability, roadmap delivery, cross-functional collaboration, and engineering best practices to improve velocity, quality, and health outcomes.

Lead design, develop, and maintain Opcenter/Camstar MES solutions. Translate stakeholder requirements into technical designs, implement C#/.NET and web UI components, integrate APIs, perform code reviews, troubleshoot, and mentor an offshore development team through the SDLC.

Lead architecture and implementation of software for autonomous UAS systems; mentor engineers; ensure compliance with aerospace standards; optimize CI/CD pipelines.

The Enterprise Architect will define and implement a cloud-ready architecture integrating 22+ products, ensuring data interoperability, and leading modernization efforts across teams.

Seeking a Staff Software Engineer to design and build cloud-deployed systems. Must have extensive programming and leadership experience in software engineering.

Seeking a Senior Software Engineer with 5+ years of experience to design and develop large-scale distributed systems, mentor junior engineers, and manage complex projects in a dynamic setting.

The Senior Software Engineer will lead teams to build secure, high-scale cloud applications, ensuring system reliability and delivering software solutions.

Work on Backblaze's storage platform (B2 Object Storage and Computer Backup) to improve durability, throughput, and architecture. Lead technical design, drive implementation of large features, shape coding practices, and participate across design, implementation, testing, and rollouts while collaborating proactively in a remote-first team.

Lead a team of software engineers to deliver backend services, platform components, automation, observability, and AI-assisted tooling. Own end-to-end delivery, architecture, testing, and operational readiness. Drive engineering standards, cross-functional collaboration, hiring, coaching, and continuous improvement with emphasis on security, reliability, and scalable platform patterns.

Design, build, and maintain applications, APIs, and services for Magna's Jury Consulting business; partner with stakeholders to translate requirements; contribute to architecture, CI/CD, testing, DevOps, production reliability, and AI-assisted development; mentor engineers and evaluate emerging technologies.