123 sr net developer jobs at 68 companies in Fullerton, CA
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Lead Product Engineer – .NET and AI Driven
New York City or Birmingham or Miami or Tampa or Blue Ash or Cincinnati or Los Angeles
$140k-$199k/yr HybridFull Time
8+ YOE8+ years in software engineering; .NET/C# expertise; SQL Server; Azure migration; AI-assisted development; automated testing; CI/CD.
.NET, C#, SQL Server, Azure, AKS, Cosmos DB, App Services, Functions, GitHub Copilot, Claude
1mo
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Sr. Software Engineer - B2B
Los Angeles, California, United States
$130k-$150k/yr HybridFull Time
4+ YOE4+ years software development experience; strong C#/.NET or Java skills; distributed systems, concurrency, cloud (AWS) experience; relational databases; mentoring and system design experience.
C#, .NET, .NET Core, Java, AWS, SQL Server, PostgreSQL, MySQL, Kafka, DynamoDB, Elasticsearch, Docker, Terraform
1mo
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LoopNet - Senior Software Engineer (C#/.NET)
Irvine or Orange County
$124k-$187k/yr HybridFull Time
7+ YOEBachelor's degree, 7+ years production .NET/C# experience, AWS and Apache Kafka experience, frontend knowledge (Vue/React/Angular, TypeScript), SQL/NoSQL, Git, unit/performance/integration testing experience.
C#, .NET, .NET Core, AWS, Apache Kafka, Vue, React, Angular, TypeScript, Microsoft SQL, MySQL, NoSQL, Git, GitHub Copilot, Claude Code
1mo
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LoopNet - Senior Software Engineer (C#/.NET)
Irvine, California, United States
$124k-$187k/yr HybridFull Time
7+ YOEBachelor's degree required; 7+ years production .NET/C# experience; AWS and Kafka experience; frontend knowledge (Vue/React/Angular, TypeScript); SQL/NoSQL and Git workflows; unit, integration, and performance testing experience.
C#, .NET, .NET Core, AWS, Apache Kafka, Vue, React, Angular, TypeScript, Git, SQL, MS SQL, MySQL, NoSQL, Claude Code, GitHub Copilot
1mo
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Sr. Software Engineer
Irvine, California, United States
$112k-$191k/yr RemoteFull Time
5+ YOE5+ years enterprise software engineering with C#, .NET, SQL Server, Angular, and Azure; experience stabilizing production systems, building microservices/APIs, and mentoring teams.
C#, .NET, SQL Server, Angular, Azure, App Services, Functions, SQL Database, Kubernetes, Docker, DevOps pipelines
1mo
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Sr. Software Developer
Orange or Arizona or California or Florida or Maryland or Maine or Michigan or Missouri or North Carolina or Nevada or New York or Ohio or Oklahoma or Oregon or South Carolina or Texas or Utah or Washington or Wyoming
$120k-$145k/yr RemoteFull Time
7+ YOE7+ years professional software development with Microsoft .NET stack, experience with React/TypeScript, RESTful API design, Playwright, cloud deployments (AWS preferred), practical use of Claude or similar LLM agent tools, and demonstrated technical leadership.
ASP.NET WebForms, React, TypeScript, C#, .NET Web API, RESTful API, Claude, Redux Toolkit, Zustand, Playwright, CI/CD, Azure DevOps, AWS, ECS, Lambda, Step Functions, Bedrock, Azure, GCP
1w
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Principal Software Engineer (Medical Device Software/C#, .NET, Windows)
Lake Forest, California, United States
$128k-$166k/yr OnsiteFull Time
5+ YOE5+ years developing Windows-based software using C#, .NET and related Microsoft technologies for regulated medical device environments; strong architecture, OOD, multi-threading, networking, and communication skills.
C#, .NET, WPF/XAML, MVVM, C++, Git, HL7, FHIR, DICOM, Protocol Buffers, TCP/IP
3w
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Sr Platform Engineer II- Appian
Newport Beach, California, United States
$125k-$153k/yr HybridFull Time
5+ YOEBachelor's degree,5+ years designing and developing BPM/Appian applications,Appian Level 2/3 certification,software development experience (.NET,Java,C#,Visual Basic),HTML/CSS,JavaScript,Appian admin and integrations,MS-SQL,Agile experience.
Appian, .NET, Java, Visual Basic, C#, HTML/CSS, JavaScript, Appian Admin console, Appian Plug-Ins, MS-SQL, Azure pipelines, AWS
3w
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Sr. Web Developer - AEC Integration
Redlands, California, United States
$123k-$202k/yr OnsiteFull Time
5+ YOE5+ years software product development; experience with cloud infrastructure, backend services, data pipelines; strong skills in TypeScript/JavaScript or C++/.NET/Python; agile and git proficiency; bachelor's degree in CS or related field.
TypeScript, JavaScript, NodeJS, Bootstrap, React, Angular, C++, .NET, Python, git, Amazon AWS, Microsoft Azure, Autodesk Docs, Autodesk Platform Services, Autodesk Forma, ArcGIS Experience Builder, ArcGIS, IFC, 3D Tiles, Esri i3s, ObjectArx, Revit APIs
1mo
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Sr. Application Software Engineer
Hawthorne, California, United States
$165k-$230k/yr OnsiteFull Time
5+ YOEBachelor's degree or equivalent experience; 5+ years software development (or 7+ years without degree); 3+ years full stack development; proficiency with Python, C#.NET, Go, Scala, or Java; experience with CI/CD, containers, Kubernetes, databases, and in-stream data processing.
Python, C#.NET, Go, Scala, Java, Make, Bazel, Pants, Buck, Gradle, pip, npm, Terraform, Ansible, Puppet, Apache Kafka, RabbitMQ, ActiveMQ, Docker, Kubernetes, Angular, React, PostgreSQL, SQL Server
3mo
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Senior Full Stack Cloud Developer (.Net / Azure)
Irvine, California, United States
$155k-$172k/yr HybridFull Time
7+ YOESenior full stack developer with 7+ years, Azure cloud, .NET/C#, Angular, REST APIs, CI/CD, IaC (Terraform), AI tooling.
C#, .NET, Azure, Azure DevOps, Terraform, Angular, REST APIs, GitHub Copilot, Seq, SolarWinds, New Relic
1mo
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Sr. Principal Software Engineer (AHT)
Manhattan Beach or Hollywood or Linthicum or Huntsville
$136k-$213k/yr OnsiteFull Time
5+ YOEB.S. in STEM + 8 years (or M.S. in STEM + 5 years), active DoD Secret clearance, experience with Agile, CI/CD, C#/.NET/Java, OOD, SQL, scripting (YAML, Python, PowerShell, curl), Git/GitHub, Atlassian tools.
C#, Java, .NET, SQL, YAML, Python, PowerShell, curl, Git, GitHub, Bitbucket, Jira, Confluence, Docker, Kubernetes, React, AWS, Azure
1mo
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Sr. Principal Software Engineer (AHT)
Manhattan Beach or Hollywood or Linthicum Heights or Huntsville
$136k-$213k/yr OnsiteFull Time
8+ YOEDoD Secret clearance required; BS in STEM +8 years (or MS +5). Experience with Agile, CI/CD, C#/Java/.NET, OOD, SQL, scripting (yaml, Python, PowerShell, Curl), Git/GitHub, Bitbucket, Jira, Confluence; technical leadership experience preferred.
CI/CD, C#, Java, .NET, SQL, yaml, Python, PowerShell, Curl, Git, GitHub, Bitbucket, Jira, Confluence, Docker, Kubernetes, React, REST, AsyncAPI, AWS, Azure, UML
1w
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KAISJP00252884 Full Stack Developer - Sr
Downey, California, United States
HybridContract
5+ YOEBachelor's in CS or related,5+ years full stack experience,proficiency with ASP.NET MVC,.NET Core,C#,JavaScript,EMR not mentioned,SQL Server experience,strong communication and problem-solving.
ASP.NET MVC, .NET Core, C#, JavaScript, jQuery, Bootstrap, ASP.NET Web API, ORM, Microsoft SQL Server, IIS, Git, SVN, Visual Studio, SQL Client Tools, Postman, SoapUI
4w
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Sr Software Engineer II - Fullstack - Apex Events- AXS
Los Angeles, California, United States
$145k-$165k/yr HybridFull Time
6+ YOE6+ years software development, strong full‑stack web experience with TypeScript/React or NextJS, C#/.NET Core, relational databases, RESTful APIs, and mentoring experience.
HTML, CSS, JavaScript, TypeScript, ReactJS, NextJS, C#, .NET Core, Microsoft SQL Server, Oracle, MySQL, PostgreSQL, AWS, NodeJS, Docker, Kubernetes, Git, CI/CD, Kafka, Elasticsearch, DynamoDB, TDD, BDD
1mo
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Senior Software Engineer
Lake Forest or Houston or Philadelphia
$124k-$207k/yr HybridFull Time
Strong software development in C# (.NET) or Node.js; hands-on Microsoft Azure cloud experience; CI/CD, DevOps, container experience; knowledge of cloud architecture, networking, and secure development practices.
Microsoft Azure, C#, .NET, Node.js, CI/CD
1mo
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Software Developer II
Brea, California, United States
$31-$35/hr RemoteFull Time
5+ YOEBachelors in Computer Science or related, 5+ years developing and testing code, experience with .Net C#, Visual Basic, RDBMS/SQL, MVC, AngularJS, Crystal Reports, GIS, APIs, Microsoft Internet Information Server, and debugging tools.
.Net, C#, Visual Basic, RDBMS/SQL, MVC, AngularJS, Crystal Reports, GIS, APIs, Microsoft Internet Information Server, source debuggers, visual development environments
1mo
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Senior Developer (IBM Sterling B2B Integrator) (REMOTE)
Glenview or Pittsburgh or Los Angeles County
$90k-$121k/yr RemoteFull Time
5+ YOE5+ years development experience in enterprise environments; experience with IBM Sterling B2B Integrator, .NET (C#), Java, JavaScript, SDLC and Agile; strong communication, troubleshooting, and documentation skills.
.NET, C#, Java, JavaScript, IBM Sterling B2B Integrator
1mo
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Full Stack Developer
Norco, California, United States
$90k-$190k/yr OnsiteFull Time
5+ YOEBachelor's degree or equivalent, 5+ years software development experience, proficiency in Java/C#/Python/JavaScript/HTML/CSS, React/Angular, Node.js/.NET, cloud platforms, Microsoft SQL Server, Git; CompTIA Security+ and ability to obtain DoD SECRET; U.S. citizenship; onsite in Norco, CA.
Java, C#, Python, JavaScript, HTML, CSS, React, Angular, Node.js, .NET, AWS, Azure, Google Cloud, Microsoft SQL Server, Git, Docker, Kubernetes, CI/CD
3mo
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Sr. Platform Engineer
Irvine, California, United States
$129k-$161k/yr OnsiteFull Time
5+ YOE5+ years software engineering, proficiency in C#/Python/TypeScript, Azure and Terraform experience, CI/CD and API design experience, observability and automation skills.
C#, .NET, Python, TypeScript, Node.js, Azure DevOps, Terraform, Datadog, OpenTelemetry, Docker, Kubernetes, PowerShell, Backstage, GitHub Copilot
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