dotnet-framework jobs in San Diego

Design, develop, and maintain database-driven applications using C#, VB.NET, ASP.NET, and .NET Framework/Core to support day-to-day operations at a sign manufacturing company. Responsibilities include SQL Server database design and optimization, migrating Crystal Reports to SSRS, building and maintaining ETL processes, troubleshooting performance issues, and collaborating with cross-functional teams on system enhancements.…See more Strong expertise required in .NET development, SQL Server performance tuning, and reporting tools.

As a Project Software Engineer III, you will develop, test, maintain, and support applications and integrations for government client operations. You'll implement enhancements and defect fixes, participate in code reviews and testing, collaborate with product management and infrastructure teams, and identify performance and security risks.…See more The role requires 4+ years of experience with C#, .NET Framework, and SQL Server, with an active Secret security clearance.

Project Software Engineer III role developing, testing, maintaining, and supporting applications and integrations for government sustainment operations. Responsibilities include implementing enhancements and defect fixes, participating in code reviews and testing, documenting technical designs, collaborating across custom development, product management, infrastructure, data, and cybersecurity teams, and identifying performance, security, reliability, and deployment risks.…See more Requires 4+ years of C#, .NET Framework, and SQL Server experience, a bachelor's degree or equivalent, and an active Secret security clearance.

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 responsible for designing and implementing user-facing web, PC, and mobile applications for TrellisWare's wireless communication products. The role involves enhancing wireless networking configuration and situational awareness tools, developing visualization techniques for large datasets, and optimizing client-server networking.…See more Requires 7+ years of UI application development experience and proficiency in ReactJS, Kotlin/React Native, or C# desktop frameworks, with knowledge of TCP/IP networking and asynchronous programming.

Senior Software Engineer responsible for designing and implementing user-facing web, PC, and mobile applications for TrellisWare's wireless communication products. You will enhance and maintain a suite of networking configuration and situational awareness tools, develop intuitive visualizations for large datasets, and optimize multi-server web requests.…See more The role requires proficiency in at least one modern UI technology stack (ReactJS, Kotlin/React Native, or C# desktop frameworks) plus familiarity with a second stack, strong TCP/IP networking knowledge, and asynchronous programming skills.

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.

This role develops and maintains data integration solutions at Constellation Energy, focusing on ETL processes, data modeling, and analytics platforms. The developer will extract, integrate, and transform data from diverse sources using SSIS, SQL Server, Power BI, and APIs; design and optimize relational and dimensional databases; and participate in DevOps/CI/CD workflows.…See more The position requires 3+ years of hands-on experience with Power BI, DAX, T-SQL, SSIS, API development, and SQL query optimization, along with a technical degree or equivalent.

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.

Build and enhance features across a full-stack accounting platform using Angular, C#/.NET, and SQL Server. Design performant, scalable solutions from front-end SPAs to back-end services and distributed messaging systems; troubleshoot production issues; and collaborate with product, analysts, and engineers throughout the Agile delivery lifecycle.…See more Strong fundamentals in .NET, JavaScript/TypeScript, SQL Server, RabbitMQ, and CI/CD tooling required; experience with financial domain applications (accounting, payments, deposits) preferred.

Build and enhance an accounting platform as an intermediate software engineer at Axos Bank's Zenith business unit, working full-stack from Angular SPAs to C#/.NET services and SQL Server databases. You'll design, develop, test, and maintain features end-to-end, troubleshoot production issues across distributed systems (RabbitMQ, HTTP APIs), and collaborate with product owners and engineers throughout the Agile lifecycle.…See more The role requires strong fundamentals in .NET, C#, Angular, TypeScript, SQL Server, and system integration patterns, plus experience authoring unit and integration tests and building responsive single-page applications.

Design, develop, and maintain full-stack web applications across the Microsoft .NET stack (C#, ASP.NET, .NET Framework/Core) with React front ends and SQL Server data layers, operating within a DevSecOps pipeline using Azure DevOps. Modernize legacy Microsoft applications, manage CI/CD workflows, support AWS GovCloud migration, and participate in Agile delivery while coordinating with government technical leads and security teams.…See more Requires 8+ years of full-stack web software engineering and 5+ years of DevSecOps experience with Azure DevOps, C#/.NET, JavaScript, React, SQL Server, and related Microsoft technologies. Must hold an active Secret clearance and DoD 8570/8140-compliant baseline certification such as CompTIA Security+.

Full-stack engineer developing and maintaining web applications across the Microsoft .NET stack (C#, ASP.NET, .NET Framework/Core) and React front ends, with SQL Server data integration, operating within a DevSecOps pipeline using Azure DevOps. The role includes modernizing legacy applications, migrating workloads to AWS GovCloud, and supporting secure CI/CD workflows.…See more Requires 8+ years in full-stack web software engineering, 5+ years in DevSecOps (Azure DevOps, TFS), and proficiency across C#, .NET, JavaScript, React, SQL Server, HTML, and CSS. Requires active Secret clearance and DoD 8570/8140-compliant baseline certification (e.g., CompTIA Security+).

Software Engineer in R&D for medical device products, working on desktop applications, services, and data layers for automated molecular diagnostic instruments. Requires C# and .NET expertise with 5+ years of experience (or 3+ with MS degree), along with proficiency in WPF, MSSQL, LINQ, and multithreaded UI development.…See more Role involves design, development, code review, testing, and mentoring junior engineers within an Agile team environment.