web-api jobs in San Diego

Seeking a Senior .NET Full-Stack Developer with 7+ years of hands-on experience across .NET technologies (C#, .NET Core, ASP.NET MVC, Web API, Entity Framework) and 5+ years of modern front-end development (Angular, React, or Vue.js). The role requires expertise in cloud platforms (Azure, AWS, or GCP), integration technologies (RESTful APIs, SOAP, microservices, message queues), and databases (SQL Server, MySQL, PostgreSQL, NoSQL).…See more This is a full-time, on-site position in San Diego focused on enterprise-level full-stack application development and deployment.

Senior full-stack .NET developer role requiring 7+ years of hands-on experience with C#, .NET Core, ASP.NET MVC, Web API, and Entity Framework, plus 5+ years of modern front-end development with Angular, React, or Vue.js. The role demands expertise in cloud platforms (Azure, AWS, GCP), integration technologies (REST APIs, SOAP, microservices, message queues), and containerization (Docker, Kubernetes).…See more Responsibilities include full-stack development, cloud-based application deployment, CI/CD pipeline work, and enterprise-level system integrations on an on-site basis in San Diego.

Design, build, and maintain backend services and APIs in C# / .NET (ASP.NET Core, Web API, Entity Framework) for production airport workloads, with a focus on ERP and billing systems requiring high accuracy and auditability. Modernize legacy .NET Framework applications to modern .NET and Azure, optimize SQL Server and Azure SQL data access, and build cloud-native solutions using App Services, Azure Storage, Key Vault, and managed identities.…See more Write secure, well-tested code instrumented with Application Insights; troubleshoot production issues across application, database, and hosting layers; and partner with product and DevOps to deliver supportable software.

Senior Software Engineer role building scalable, data-intensive real estate analytics applications using modern full-stack technologies. Requires 7+ years of software development experience with deep expertise in server-side languages (.NET, C#, Node.js), front-end frameworks (React, JavaScript), relational databases (SQL Server), and proven experience using AI-assisted development tools (GitHub Copilot, Claude Code) in production.…See more Responsibilities span full lifecycle ownership—design, development, testing, deployment, and production support—with emphasis on code quality, architectural collaboration, and continuous improvement within an analytics platform team.

Senior Software Engineer at Optum designing, developing, and deploying AI-powered applications and scalable software solutions. Requires 3+ years with .NET/C#/Java, React/ASP.NET MVC/JavaScript/Node.js/Angular, Web APIs, Entity Framework, SQL/NoSQL databases, Azure DevOps/GitHub Actions/Jenkins, Kubernetes/Docker, testing frameworks (Selenium/Gherkin/SpecFlow), and Agile/Scrum.…See more Responsibilities include full-stack development, CI/CD pipeline adherence, quality assurance, performance optimization, compliance with SDLC protocols, accessibility standards, and production support.

Senior Software Engineer responsible for designing, developing, and deploying AI-powered applications and features using modern web and cloud technologies. Will work across the full stack (.NET/C#, React, JavaScript, Node.js, Angular) and cloud infrastructure (Azure, Kubernetes, Docker) to build scalable, high-performance solutions that meet privacy, security, and accessibility standards.…See more Requires 3+ years of hands-on experience with the specified technology stack, CI/CD pipelines, testing frameworks, and Agile practices.

CoStar Group seeks a Senior Software Engineer to design, build, test, and deploy scalable applications for their real estate analytics platform, handling large data volumes with AI-assisted development workflows. The role requires full ownership of the development lifecycle from coding and testing through production deployment and support.…See more You'll collaborate with engineers, product owners, and designers on technical architecture and advocate for technical evolution. The position requires 7+ years of software development experience, expertise in C#/.NET and modern front-end frameworks (JavaScript, React), relational databases (SQL Server), and hands-on experience with AI-assisted tools like GitHub Copilot or Claude Code in production.