52 c net software engineer jobs at 28 companies in Littleton, CO
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Senior Software Engineer (Modern .NET)
Denver or Kansas City or Chicago or Cincinnati or St. Louis or Florida or Iowa or Nebraska or Tennessee
$120k-$160k/yr RemoteFull Time
6+ YOERequires 6+ years of software engineering experience, C#/.NET and ASP.NET Core, REST APIs, relational databases, SQL Server, EF Core, testing, cloud deployment, CI/CD, and Git workflows.
C#, .NET, ASP.NET Core, EF Core, SQL Server, Azure, React, TypeScript, REST APIs, CI/CD, Git, Angular, Vue, Figma, Terraform, Bicep, Culture Index, Microsoft Windows
2mo
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Senior C++/C# Software Engineer
Centennial, Colorado, United States
$100k-$140k/yr OnsiteFull Time
Bachelor's in computer science or related, strong experience with C++ or C#, familiarity with .NET and database design, problem solving and communication skills, interest in finance domain and legacy code maintenance.
Visual Studio Professional, .NET, C++, C#, Entity Framework, Microsoft SQL Server, MSTest, Moq, GitHub Copilot, Git, Azure DevOps, PowerShell
1w
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Senior Software Engineer - .NET (Full Stack)
Cincinnati or Denver
$114k-$172k/yr HybridFull Time
8+ YOEBachelor's degree or equivalent experience; 8+ years software development, 6+ years C#; expertise in .NET, ASP.NET, frontend frameworks, APIs, databases, DevOps, testing, and security tools.
C#, ASP.NET Core, .NET, SQL Server, JavaScript, TypeScript, HTML5, CSS3, Vue.js, React, Angular, RESTful APIs, Entity Framework, LINQ, Git, CI/CD, DevOps, Snyk, Checkmarx, BlackDuck, .NET Framework, ASP.NET MVC, ASP.NET Web API, .NET Core, .NET 8+
1mo
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C# Developer
Edmonton or Calgary or Toronto or Denver or Canada or India or United Kingdom or United States
OnsiteFull Time
Strong C#, .NET/ASP.NET Core, SQL, Azure and Cosmos DB experience; familiarity with Azure DevOps, Application Insights and Python; strong system design, problem solving and communication skills.
C#, .NET, ASP.NET Core, SQL, Python, Azure, Azure DevOps, Application Insights, Cosmos DB
2w
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Senior Software Engineer (.NET)
Aurora, Colorado, United States
$135k-$140k/yr OnsiteFull Time
4+ YOE4+ years relevant experience with .NET/C#/MVC/JavaScript/SSIS/T-SQL; full-stack web development, Agile experience, strong SQL and UI skills; Master's or Bachelor's degree alternatives noted.
.NET, C#, MVC, JavaScript, SSIS, T-SQL, JQuery, HTML, CSS, SQL, Web Services
2mo
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Software Engineer
Denver, Colorado, United States
$120k-$150k/yr HybridFull Time
3+ YOE3–5 years software development experience; strong C# and TypeScript/JavaScript; .NET/.NET Core, ASP.NET Core, REST APIs, SQL, Entity Framework; web technologies and frameworks; CI/CD and Git workflows; prompt engineering.
C#, TypeScript, JavaScript, .NET, .NET Core, ASP.NET Core, REST APIs, SQL, Entity Framework, HTML, CSS, React, Angular, Vue, LLM, Git, GitHub, Microsoft Azure, Microsoft Azure DevOps, Microsoft Azure Data Factory, Docker, Kubernetes, AWS, SSAS, MDX, DAX, SSIS, Power BI, SQL Agent Jobs, Stored Procedures, Views
1mo
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Software Engineer II
Denver, Colorado, United States
$88k-$171k/yr OnsiteFull Time
3+ YOEBachelor's degree in a relevant computer field or 3 years of software engineering experience; familiarity with C#, .NET, cloud microservices, databases, messaging, REST, and testing is preferred.
C#, .NET, ASP.NET Core, AWS, Microsoft SQL Server, Aurora PostgreSQL, Mongo, MassTransit, RabbitMQ, Swagger/OpenAPI, RestSharp, xUnit, Moq, Web Content Accessibility Guidelines (WCAG)
1mo
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Software Engineer
Chesterfield or Greenwood Village
$85k-$140k/yr HybridFull Time
2+ YOEBachelor's in CS or related, 2+ years software development experience, experience with C#/.NET, SQL Server, web fundamentals, Git, testing, and strong communication and problem-solving skills.
C#, .NET, SQL Server, HTML, CSS, JavaScript, Git, TypeScript, Angular, React, REST APIs, Azure DevOps, Azure, AWS, Application Insights, DataDog
1mo
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(USA) Software Engineer II
Seattle or Denver
$88k-$186k/yr OnsiteFull Time
3+ YOE.Net and C# proficiency, experience with MongoDB/NoSQL and AWS, commercial software development experience, bachelor's degree or 3+ years engineering experience, strong debugging and analytical skills.
.Net, C#, MongoDB, NoSQL, AWS, WCAG 2.2 AA
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Lead Software Engineer - Murex
Philadelphia or Denver or Cedar Rapids
$111k-$135k/yr HybridFull Time
5+ YOEBachelor's degree or equivalent experience; 5+ years of software engineering; Murex development; Java, .NET/C#, SQL, integrations, ETL, reporting, troubleshooting, and derivatives lifecycle knowledge.
Murex, MxML, SQL Server, Oracle, SSIS, AWS Glue, SSRS, Microsoft Excel, Visual Studio, Git, Bitbucket, Maven, Jenkins, Nexus, SQL Management Studio, NUnit, Docker, OpenShift, Kubernetes, Java, .NET, C#, Python, Swagger, OpenAPI, Kafka, REST APIs, Spring Framework, J2EE, Control-M, Kiro, Microsoft Windows Server, Linux, Unix, Excel VBA
2mo
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Lead Software Engineer - Ignition
Denver, Colorado, United States
HybridFull Time
5+ YOE5+ years software development and systems architecture experience; strong Python, .NET/C#, Angular/TypeScript, SQL and Azure skills; experience with ML frameworks and integrating LLMs; bachelor's in CS/engineering preferred.
Angular, TypeScript, Python, .NET, C#, T-SQL, PyTorch, TensorFlow, scikit-learn, Azure, Azure OpenAI, Azure DevOps, App Services, Functions, SQL Database
1mo
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Software Engineer II
Denver or Fort Collins or Boulder
$90k-$110k/yr HybridFull Time
3+ YOE3+ years software development with C#/.NET and Angular, Azure and SQL Server experience, CI/CD and DevOps familiarity, strong problem solving and communication; U.S. citizenship required.
.NET, Angular, C#, SQL Server, Microsoft Azure, Microsoft Azure App Services, Microsoft Azure Functions, Microsoft Azure SQL, Microsoft Azure Storage, Microsoft Azure Key Vault, GitHub, Azure DevOps, GitHub Actions, BICEP, Terraform, ARM templates, Docker, Kubernetes, ServiceNow, JavaScript, TypeScript, HTML, CSS, React, Vue
4d
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Senior Software Engineer
Denver, Colorado, United States
$115k-$140k/yr HybridFull Time
5+ YOEBachelor's degree in a related field or equivalent experience; 5+ years software development, 3+ years C# and Microsoft SQL Server; experience with .NET, web frameworks, testing, architecture, and source control.
C#, .NET, Microsoft Visual Studio, ASP.NET, WCF, ADO.NET, Entity Framework, MS SQL, HTML5, CSS, JavaScript, Blazor, React, Vue, Angular, MVC, Web API, ODATA, NUnit, MSTest, Microsoft SQL Server, OWASP
1mo
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Software Engineer II
Denver, Colorado, United States
$90k-$100k/yr HybridFull Time
3+ YOEBachelor's degree,3+ years professional software engineering experience,proficiency in C#/.NET,Python or Java,database and ETL experience,SQL skills,React and Git experience,excellent communication and Agile experience.
C#/.NET, Python, Java, MS SQL, PostgreSQL, SSIS, BIML, SQL Server Management Studio, Visual Studio, IntelliJ, React, Git, Copilot, AWS, REST, ETL
1mo
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.NET Application Developer (Junior & Mid-Level)
Broomfield, Colorado, United States
HybridFull Time
3+ YOEBachelor's degree in CS/IT, 3+ years full-stack application development experience, proficiency with .NET/ASP.NET MVC, C#, Visual Studio, SQL Server, web technologies (JavaScript/TypeScript/HTML/CSS), and APIs.
Microsoft .NET Framework, ASP.NET MVC, C#, Visual Studio, Microsoft SQL Server, RESTful services, Web API, XML, JSON, JavaScript, TypeScript, jQuery, HTML, CSS
2mo
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Sr. Principal Cyber Software Engineer
Annapolis Junction or San Antonio or Aurora or Carey
$149k-$235k/yr OnsiteFull Time
8+ YOEBachelor's degree in computer science, information systems, or network engineering with 8+ years experience; strong C/C++, Java, Python; CNO tools; Windows/.NET and Unix/Linux development.
C, C++, Java, Perl, Python, Visual Studio, NET, Unix/Linux, Makefiles
2mo
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Senior Software Engineer (Tech Lead), Customer Domain Engineering
New York City or Denver or San Francisco
$209k-$240k/yr HybridFull Time
8+ YOE8+ years software engineering; technical lead experience; API design with C#/.NET; event-driven architectures; CQRS/Event Sourcing; SQL; fintech familiarity.
C#, NET, Kafka, RabbitMQ, SQL, Marten, CI/CD, DDD, Event Sourcing
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Senior Software Engineer, Offers
Denver, Colorado, United States
$125k-$155k/yr HybridFull Time
Experience leading development teams and technical projects; coaching developers; cloud platform experience; React and TypeScript; Golang microservices; exposure to C#, .NET, MSSQL, or WPF.
Go, TypeScript, React, SQL, Kafka, Google Cloud Platform, C#, .NET, MSSQL, WPF
1mo
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Software Engineer I - Ground Software
Greenwood Village or Austin or Laurel
$70k-$125k/yr HybridFull Time
0+ YOEEarly‑career full‑stack engineer; 0–1 years experience; bachelor's (or pursuing) in CS or related; foundational React/Angular knowledge; familiarity with TypeScript, C#, REST, Git, SQL, front-end tools; ability to obtain security clearance.
React, TypeScript, C#, .NET, Docker, Kafka, REST, Yarn, Babel, Material-UI, Git, SQL, TanStack Query
1mo
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Principal Software Engineer (REF# AT0630)
Denver or United States
$197k-$207k/yr RemoteFull Time
8+ YOEBachelor's in CS or related and 8+ years experience. Experience with C#, .NET Core, ASP.NET Core, Angular/React/TypeScript, Kafka/RabbitMQ, AWS/Azure, threat modeling tools, CI/CD, and automated testing (NUnit).
C#, .NET Core, ASP.NET Core, Angular, React, TypeScript, Kafka, RabbitMQ, AWS, Azure, Fortify, Checkmarx, Black Duck, Qualys, NUnit, SQL, CI/CD