48 sr net developer jobs at 32 companies in Del Mar, CA
2mo
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Senior .NET Engineer
Carlsbad or United States
HybridFull Time
3+ YOE3+ years experience; .NET Core and C#; multi-threaded programming; REST APIs; scalable architectures; distributed data stores (Aerospike, Elasticsearch, Kafka); testing.
.NET Core, C#, REST API, Aerospike, Elasticsearch, Kafka, Docker, Kubernetes, Git, React, JavaScript, TypeScript, HTML, CSS
3w
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Full-Stack .NET/Mobile Developer
San Diego, California, United States
$90k-$130k/yr OnsiteFull Time
5+ YOE5+ years full-stack .NET experience, 3+ years mobile (.NET MAUI/Xamarin), ASP.NET/C# backend, REST API and SSO experience, Azure and CI/CD familiarity, bachelor’s degree or equivalent preferred.
.NET MAUI, Xamarin, ASP.Net, MVC, C#, VB.Net, SSIS, Azure, Visual Studio, Git, Azure DevOps, GitHub Actions, SQL Server, OAuth 2.0, OpenID Connect, SAML
1w
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Sr. Sage 300 Developer
Poway, California, United States
$130k-$135k/yr OnsiteFull Time
7+ YOE7+ years software development with expert Sage 300 ERP, VB6, C#/.NET, Python, and SQL Server; experience with integrations, reporting, and mentoring.
Sage 300 ERP, COM API, Web APIs, Orchid Extender, VB6, C#, .NET Framework, Python, Microsoft SQL Server, T-SQL, Crystal Reports, Sage Intelligence, REST APIs, Swagger/OpenAPI, JSON, XML, Git, CI/CD
2mo
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Software Engineer (C#/.NET)
New York City or Carlsbad
$101k-$134k/yr OnsiteFull Time
4+ YOE4+ years building scalable distributed systems; expert in C# or C++; strong CS fundamentals, API design, web service scalability/security, and database (MSSQL) experience.
Windows Server, SQL Server, IIS, .NET, C#, C++, MSSQL, Perforce, Xbox Live, Sony NP, Games for Windows Live
3w
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Sr. Software Engineer
La Jolla, California, United States
$116k-$165k/yr OnsiteFull Time
Bachelor's in CS/DS/IS/Math/Engineering or HS+4yrs experience; strong OOP, RESTful services, relational DBs, cloud (Azure/AWS), multiple languages, agile tools, and ability to work nights/weekends.
RESTful web services, Postgres, SQL Server, JPA2, Hibernate, Entities Framework, Azure, Amazon AWS Services/SDKs, JIRA, Confluence, C++, Java, JavaScript, Python, SQL, PL/SQL, .NET, Google Web Toolkit
1w
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Lead Full Stack Engineer (.Net, Vue/React) - Fully Remote
Guadalajara or Tijuana
RemoteFull Time
8+ YOE2+ Mgmt8+ years full stack experience with .NET Core/C#, GraphQL, MongoDB, Docker; 2+ years leading teams; front-end with JavaScript and Vue.js or React.js; cloud and microservices experience; TDD and DDD familiarity.
.NET Core, C#, GraphQL, MongoDB, Docker, JavaScript, Vue.js, React.js, AWS, Azure, Google Cloud
3w
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Senior Software Engineer
San Diego, California, United States
$124k-$187k/yr HybridFull Time
Bachelor's degree required. Strong C#/.NET experience, hands-on AWS, experience using Claude for AI-assisted development, API and backend development skills, software design and mentorship experience.
C#, .NET, .NET Core, Claude, AWS, EC2, ECS, EKS, Lambda, S3, RDS, DynamoDB, CloudWatch, Databricks, Terraform, CloudFormation, CDK, Git
1mo
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Senior Full Stack Developer
Carlsbad, California, United States
$125k-$150k/yr OnsiteFull Time
7+ YOE7+ years web development experience; strong expertise in C#, .NET, and SQL; experience with React, REST APIs, GitHub, Agile; mentoring and strong communication skills.
C#, .NET, SQL, React, REST APIs, GitHub, Python, Next.js, Kafka, TeamCity, Jenkins, Postman, Bruno, MongoDB, Elastic Stack
3w
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Principal Software Engineer
San Diego, California, United States
$190k-$210k/yr OnsiteFull Time
15+ YOE15+ years software engineering experience with 8+ years in regulated medical devices, familiarity with IEC 62304 and FDA PMA processes, proficiency in .NET/C#/Blazor/.NET MAUI, Azure, embedded firmware, and strong cybersecurity and leadership skills.
.NET, C#, Blazor, .NET MAUI, EF Core, SQLite, Azure DevOps, Git, Figma, Claude Code, Azure, Bluetooth, gRPC
1mo
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Senior Software Engineer
Carlsbad, California, United States
$140k-$160k/yr OnsiteFull Time
5+ YOE5+ years commercial R&D software development; strong C#/.NET skills; experience with distributed systems (RabbitMQ), Windows apps, testing, CI/CD, requirements tools (DOORS/Jama/Ketryx), Confluence, and regulated (FDA/QSR, IEC 62304/ISO 13485) environments.
C#, .NET, WPF, RabbitMQ, GitHub, Microsoft Azure DevOps, DOORS, Jama, Ketryx, Confluence, AI agents, AI-powered code generation tools
2mo
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Sr. Principal Electronics Engineer – Data Center Architect
San Diego or Rancho Bernardo
$142k-$213k/yr OnsiteFull Time
8+ YOESenior-level electronics engineer with data center architecture experience; requires security clearance and relocation availability.
VMware ESXi, Red Hat OpenShift, Python, PowerShell, Visual Basic, .Net, Java, C, C#, Ansible, Puppet, Terraform
3mo
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Full Stack Engineer, Senior
Oakland or Seattle or WA or OH or CA or Long Beach or AZ or CO or CT or FL or GA or MD or MN or NV or OR or El Dorado Hills or Lodi or Rancho Cordova or Redding or San Diego or Woodland Hills or AL or IL or VA or WI or TX or NY
$103k-$174k/yr HybridFull Time
5+ YOE5+ years full stack development; BA/BS or equivalent IT experience; React/Vue/Angular; .NET/Java/Node.js/Python APIs; SQL/NoSQL; Azure preferred; Docker; IaC; CI/CD; AI tools; healthcare experience preferred.
React, Vue, Angular, JavaScript, TypeScript, .NET, Java, Node.js, Python, MS SQL Server, Oracle, NoSQL, REST, Azure, AWS, GCP, Docker, Kubernetes, Ansible, Bicep, ARM, Terraform, GitHub, GitLab, Bitbucket, Git
2mo
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Sr. Principal Electronics Engineer – Data Center Architect
San Diego, California, United States
$142k-$213k/yr OnsiteFull Time
4+ YOEU.S. citizen with active Top Secret/SCI or Top Secret eligibility; STEM degree with 4–8+ years engineering experience; experience with datacenter IaaS, VMware ESXi/VCF, Red Hat OpenShift, scripting (Python, PowerShell, Visual Basic, .Net, Java, C, C#), storage design, and infrastructure automation (Ansible, Puppet, Terraform).
VMware ESXi/VCF, Red Hat OpenShift, Python, PowerShell, Visual Basic, .Net, Java, C, C#, Ansible, Puppet, Terraform
3w
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Senior Software Engineer
San Diego, California, United States
$124k-$187k/yr HybridFull Time
Bachelor's degree required; strong C#/.NET and AWS experience; hands-on use of Claude preferred; experience building cloud-native, scalable backend services; Git and CI/CD familiarity.
C#, .NET, .NET Core, Claude, AWS, EC2, ECS, EKS, Lambda, S3, RDS, DynamoDB, CloudWatch, Git, Databricks, Terraform, CloudFormation, CDK
1w
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Senior Software Engineer
Carlsbad, California, United States
$130k-$180k/yr OnsiteFull Time
7+ YOEBS in Computer Science,7+ years software experience,expert C#/.NET for Windows,WPF desirable,motion systems and hardware interface experience,EM/vision knowledge and Python/C++ are a plus.
C#, .NET, WPF, C++, Python, MS Windows
1mo
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Senior Salesforce Developer
Jacksonville or Dallas or Cincinnati or Los Angeles or Sacramento or Richmond or Minneapolis or Boston or Kansas City or Chicago or Tampa or Washington or San Antonio or Houston or Colorado Springs or Nashville or San Diego or Pittsburgh or Tacoma or New York or Phoenix or Miami or Fayetteville
HybridFull Time
7+ YOE7+ years designing and implementing Salesforce solutions; 5+ years with Apex, LWC, Visualforce and integrations; Salesforce Platform Developer II required; Bachelor’s in CS/IS/software engineering or equivalent.
Salesforce CRM (Sales and Service Cloud), Force.com, Visualforce, Apex, Lightning Web Components, Cascading Style Sheets (CSS), HTML, Java, .NET, Data Loader, AppExchange, React, React Native, SQL
2w
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Staff Software Cloud Developer
San Diego, California, United States
$135k-$202k/yr OnsiteFull Time
.NET 4.0,C#,WPF,ASP .Net MVC3,XML,SQL 2008/2012,AWS,Linux and Windows cloud infrastructure experience;mentoring experience;Bachelor's in EE/CE/CS or related.
.NET 4.0, C#, WPF, ASP .Net MVC3, XML, SQL 2008/2012, Linux, Windows, AWS
1mo
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Database Developer
Oceanside, California, United States
$130k-$150k/yr OnsiteFull Time
5+ YOEBachelor's or equivalent experience, 5+ years database development/data engineering, advanced Microsoft SQL Server and Azure SQL skills, ETL/ELT (SSIS/Azure Data Factory/Databricks), data warehouse design, Python/PowerShell/.NET, Power BI/SSRS/Tableau.
Microsoft SQL Server, Azure SQL, SSIS, Azure Data Factory, Databricks, Oracle, MySQL, NoSQL, Python, PowerShell, .NET, SSRS, Power BI, Tableau
2mo
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Sr. Software Manager
Carlsbad, California, United States
$130k-$150k/yr HybridFull Time
10+ YOE5+ MgmtLead development team; design .NET/C# apps; manage SQL Server; mentor staff; align technology with business goals.
Blazor, ABP.io Framework, Azure App Services, OpenID Connect, Microsoft .NET, C#, SQL Server
10h
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Senior Software Engineer
San Diego, California, United States
$160k-$220k/yr OnsiteFull Time
8+ YOERequires 8+ years of software development, 5+ years designing enterprise applications, and experience with modernization, high-availability systems, microservices, distributed systems, and event-driven design.
.NET, C#, Microsoft SQL Server, React, Angular, TypeScript, REST APIs, Azure Cloud Services, AI-Assisted Development, Entity Framework, Application Monitoring and Observability, Agile Development Methodologies, CI/CD Pipelines