Top C# Jobs in San Diego, CA

Build and scale the platform infrastructure to support mortgage origination: design cloud architecture, deploy and operate Kubernetes-based systems, manage databases, implement observability and incident response, and create internal developer tooling to improve reliability and engineering velocity.

Build and maintain full-stack features on a product-oriented team, owning product areas end-to-end. Ship customer-facing functionality, design and optimize data models and schemas, work with React state management, relational databases, cloud services, event streaming, caching, and AI tools. Collaborate cross-functionally, take high ownership, and occasionally support mission-critical work outside normal hours.

Design, build, and operate backend systems for a mortgage lending platform. Own backend responsibilities from design through production, focusing on scalability, performance, reliability, and multi-service architectures while collaborating with product and full-stack engineers.

Perform technical code review and analysis to determine originality and function, prepare memos and expert reports, rebut other experts, communicate with counsel and clients, prepare testifying experts, manage multiple engagements, and supervise junior staff.

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.

Entry-level software developer supporting insurance client engagements. Participate in Agile ceremonies, assist with design, development, testing, troubleshooting, production support, and release activities. Collaborate with onshore/offshore teams, support automation and process improvements, maintain technical documentation, and attend a two-week on-site training in Indianapolis.

Build and extend Pulumi Cloud features and SDKs, design scalable cloud systems, write production full-stack code (Angular/TypeScript, Node.js, Go), integrate LLMs/AI into products, drive roadmap and mentor engineers while focusing on security and reliability.

Lead technical delivery for Life Insurance and Annuity engagements: design solutions, architecture reviews, produce technical docs, guide onshore/offshore teams, enforce code quality, drive automation and AI tool adoption (GitHub Copilot, Claude Code) and integrate systems and APIs.

Design, develop, and maintain high-performance web applications and WebAPIs using .NET 6 and React. Build scalable, reliable services, optimize performance, troubleshoot defects, and collaborate with product and development teams. Use Azure platform services, NoSQL/SQL databases, CI/CD pipelines, and propose continuous improvements.

Design and implement enterprise Sitecore solutions, lead architecture, integrate with third-party systems, optimize performance and security, provide technical leadership, and mentor development teams to deliver scalable, high-quality software.

Lead Sitecore development for multilingual, multisite implementations using Helix and SXA. Architect and build components, templates, renderings, caching, and Sitecore APIs. Integrate via REST/web services, host and operate Sitecore on Azure (Search/Solr, Redis, App Services), manage CI/CD with Azure DevOps/Unicorn, enforce Gitflow branching, troubleshoot web issues, review implementations, and mentor/manage the team.

Design and enforce architecture and engineering best practices for Azure-based microservices. Create solution artifacts, ensure code quality, implement containerized deployments (Docker/AKS), integrate cloud services, secure SSO/auth, and provide technical leadership.

Lead architecture and development of scalable REST-based microservices using .NET 6+, ASP.NET and C#. Drive API design, documentation, CI/CD with Azure DevOps, Azure deployments, event-driven integrations, testing (xUnit/NUnit), and mentor engineers while ensuring performance, security (JWT/OAuth/SAML), and observability for large eCommerce systems.

Lead API Developer to architect, build, and maintain scalable .NET/C# REST APIs on Azure. Enforce engineering best practices (CI/CD, code reviews, high test coverage), containerize with Docker/Kubernetes, integrate microservices with cloud databases/storage and IAM (OAuth/SAML/OIDC), use Azure DevOps, monitor analytics, and provide technical leadership and documentation (Swagger).

Design and deliver scalable, secure enterprise applications on the Microsoft stack (.NET 6+, ASP.NET Core, C#). Architect microservices/APIs, integrate with hospitality and gaming systems, guide front-end (React/Angular) and mobile development, implement CI/CD (Azure DevOps/GitHub Actions), ensure performance, compliance, and high availability, and collaborate with cross-functional and offshore teams.

Lead design and implementation of scalable full-stack web applications using Vue.js front-end and .NET back-end. Provide architecture, hands-on development, mentorship, CI/CD and testing, collaborate with product and UX, optimize databases and ensure performance, security, and maintainability.

Design, develop, and maintain scalable ASP.NET/C# APIs and microservices and front-end interfaces (Vue.js, AngularJS) for retail omni-channel and POS platforms. Contribute to architecture, write production-quality code, troubleshoot issues, participate in code reviews, and collaborate with product, design, and QA to deliver features with minimal onboarding.

Lead full-stack architecture and development using Vue.js front-end and .NET back-end. Provide technical leadership, mentorship, code reviews, and CI/CD-driven delivery. Build RESTful APIs, optimize databases, collaborate with product and UX teams, and ensure testing, performance, and DevOps best practices.

Lead a team of .NET developers providing technical and architectural leadership across .NET-based applications. Drive design decisions, enforce coding standards, plan and estimate work, perform code reviews, mentor developers, troubleshoot complex issues, and collaborate with product and project teams to deliver scalable, secure microservices and APIs.

Design and deliver scalable, secure enterprise applications on the Microsoft stack for hospitality/gaming. Architect microservices, APIs, front-end integrations, CMS, mobile apps, and CI/CD pipelines. Ensure performance, compliance, and stakeholder collaboration while providing architecture guidance, code reviews, and hands-on development.

Design, develop, and maintain automated test frameworks for front-end and web services. Integrate tests into CI/CD, write unit/component/integration/functional/performance tests, debug front-end and API issues, collaborate with Agile teams, and improve test coverage, release velocity, and production health. Work uses Groovy/Geb and Java/HttpClient and may involve contact center integration.

Design and implement scalable, secure, high-performance system architectures. Lead architectural reviews, define technical requirements with stakeholders, recommend technologies, mentor teams, mitigate technical risks, and drive best practices and innovation.

Design, develop, deploy, and maintain backend components and large-scale cloud-based systems. Write tests, perform code reviews, debug, and collaborate with cross-functional teams to build scalable APIs, microservices, and reliable production software in an agile environment.

Design, develop, and maintain automated test frameworks for front-end and web services. Integrate tests into CI/CD, write unit/component/integration/performance tests, debug front-end and APIs, collaborate with Agile teams, and drive testability, code quality, and release reliability.

Lead a cross-functional engineering team to plan and deliver cloud and application modernization. Translate target-state architectures into delivery plans, assess systems for modernization, drive hands-on cloud-native microservices and event-driven implementations, enforce engineering standards, conduct reviews, mentor engineers, and escalate technical risks to leadership.