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Top C# Jobs in Denver & Boulder, CO

Reposted 18 Days AgoSaved
Remote or Hybrid
Colorado, CO
180K-219K Annually
Senior level
180K-219K Annually
Senior level
Cloud • Fintech • Information Technology • Machine Learning • Software
The Senior Engineer will develop high-quality software, automate testing, resolve issues, maintain engineering standards, and mentor team members.
Top Skills: .NetC#Ci/CdReactReduxTypescript
22 Days AgoSaved
Easy Apply
Hybrid
Colorado, CO
Easy Apply
130K-130K Annually
Internship
130K-130K Annually
Internship
Fintech • Information Technology • Other • Software • Financial Services
Software Engineer Interns at Belvedere Trading collaborate with full-time engineers to develop high-performance trading systems while participating in the complete software development lifecycle.
Top Skills: C#C++Java
22 Days AgoSaved
Easy Apply
Hybrid
Colorado, CO
Easy Apply
140K-140K Annually
Entry level
140K-140K Annually
Entry level
Fintech • Information Technology • Other • Software • Financial Services
Software Engineers at Belvedere develop low-latency trading applications, improve trading software, and work collaboratively to meet project needs while learning about trading systems.
Top Skills: C#C++Java
22 Days AgoSaved
Hybrid
Colorado, CO
111K-185K Annually
Senior level
111K-185K Annually
Senior level
Fitness • Music • Software
The Manager, Engineering position involves leading a team in developing core product platforms, overseeing the software development lifecycle, managing product execution, and driving strategic initiatives while ensuring engineering excellence and collaboration across departments.
Top Skills: AgileAWSAzureC#LeanSoftware EngineeringUnity
22 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
140K-175K Annually
Senior level
140K-175K Annually
Senior level
Fintech • Insurance • Machine Learning • Other • Analytics • Financial Services • Automation
The Manager, Integrations Engineering will lead the integrations discipline, design integration strategies, collaborate with product and engineering teams, and develop a roadmap for implementation.
Top Skills: C#GitIntacctNetSuiteSalesforceServicenowTypescriptWorkatoWorkdayWorkday Financials
2 Days AgoSaved
In-Office
Colorado, CO
142K-214K Annually
Senior level
142K-214K Annually
Senior level
Aerospace • Artificial Intelligence • Hardware • Robotics • Security • Software • Defense
The role involves designing, developing, and optimizing real-time image processing software while collaborating with cross-functional teams for military applications.
Top Skills: C++CudaLinux
Reposted 19 Hours AgoSaved
Remote
Colorado, CO
Senior level
Senior level
Software • Analytics
Lead the enhancement of optimization algorithms and APIs, develop comprehensive tests, and collaborate with teams to improve solver capabilities.
Top Skills: CC#C++JavaMatlabMicrosoft 365PythonR
Reposted 19 Hours AgoSaved
Remote
Colorado, CO
150K-160K Annually
Senior level
150K-160K Annually
Senior level
Software
Lead and mentor software engineers across platforms. Collaborate on software design, manage technical growth, and ensure project delivery and engineering excellence.
Top Skills: AgileAPIsAWSC#Cloud ServicesMicroservicesReact
Reposted 19 Hours AgoSaved
Remote
Colorado, CO
Senior level
Senior level
Information Technology • Other • Software • Consulting
The Staff Software Engineer will build next-gen distributed data systems, mentoring engineers, developing architecture, and ensuring high-quality coding standards.
Top Skills: AirflowAWSAzureC#C++GCPGoJavaPythonScalaSparkSQL
YesterdaySaved
Remote
Colorado, CO
150K-180K
Senior level
150K-180K
Senior level
Software
Lead software development for ChartCheck, focusing on front-end and back-end development for cancer treatment software. Collaborate with teams to enhance care delivery.
Top Skills: C#C#.NetCSSHTMLJavaScriptMongoDBMs SqlPostgresWpf
YesterdaySaved
Remote
Colorado, CO
Mid level
Mid level
Healthtech
Design and build cloud-based applications for healthcare. Responsibilities include backend development in .NET, API design, and front-end development using React or Angular, while ensuring regulatory compliance.
Top Skills: .NetAngularAWSAzureAzure DevopsC#Github ActionsMicrosoft SqlMySQLPostgresPythonReactRest ApisTypescript
YesterdaySaved
Remote
Colorado, CO
150K-175K Annually
Senior level
150K-175K Annually
Senior level
Artificial Intelligence • Insurance
The Senior Backend Software Engineer will design, build, and scale backend systems, improve legacy code, manage AWS infrastructure, and mentor junior developers to support growth and maintainability.
Top Skills: AnsibleAuroraAWSC#C++CloudFormationDockerEc2ETLGithub ActionsGraphQLJavaScriptPostgresRdsRedshiftS3SqsTerraformTypescript
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Reposted YesterdaySaved
In-Office or Remote
Colorado, CO
171K-230K
Senior level
171K-230K
Senior level
Hardware • Information Technology • Other • Software • Analytics
Lead and manage two software engineering teams, oversee software solutions development, ensure alignment with business objectives, and foster collaboration.
Top Skills: AngularAzureC#ReactSQL
YesterdaySaved
Remote
Colorado, CO
Mid level
Mid level
Fintech
Provide customer support for software applications, troubleshoot issues, manage tasks in JIRA, develop documentation, and maintain high service levels.
Top Skills: Azure CloudC#JavaJira ConfluenceJira SoftwareMicrosoft .NetMs Sql ServerPHPPowershellPythonSalesforce
YesterdaySaved
Remote
Colorado, CO
107K-179K Annually
Senior level
107K-179K Annually
Senior level
Hardware • Information Technology • Software • Sports • Wearables
The Engineering Manager will drive technical strategy, maintain team efficiency, collaborate across disciplines, empower engineers, and champion Agile practices while leading a team for high-impact sports products.
Top Skills: AWSC#MongoDBReactReact-Native
YesterdaySaved
Remote
Colorado, CO
79K-120K Annually
Senior level
79K-120K Annually
Senior level
Insurance
The Senior Full Stack Software Engineer develops and implements scalable enterprise web applications using ASP.NET and C#, emphasizing test-driven development and collaboration.
Top Skills: AngularAsp.NetBlazorC#Ci/CdCSS3GitHTML5JavaScriptMicrosoft Sql ServerReactT-SqlVue
YesterdaySaved
In-Office or Remote
Colorado, CO
20-20
Internship
20-20
Internship
Aerospace • Energy
The intern will develop AI solutions, consult on architecture, implement proof of concepts, and gain experience with cloud platforms and data engineering.
Top Skills: AWSAzureC#C++PythonSQL
YesterdaySaved
Remote
Colorado, CO
Mid level
Mid level
Healthtech
As a Junior to Early Mid-Level Software Engineer, you'll build backend services in C# and Python, integrate AI features, and automate data workflows while collaborating with cross-functional teams.
Top Skills: Azure Cognitive ServicesBedrockC#ClaudeAzureN8NOpenaiPythonTerraformVertex
Reposted YesterdaySaved
Remote
Colorado, CO
Junior
Junior
Software
Join Janea Systems as a Software Engineer, developing backend applications, designing APIs, and collaborating with diverse teams to solve engineering challenges.
Top Skills: AWSAzureC#C++DockerGCPJavaKubernetesMemcachedMySQLPostgresPythonRedis
Reposted YesterdaySaved
In-Office or Remote
Colorado, CO
75K-160K Annually
Mid level
75K-160K Annually
Mid level
Insurance
As an Engineer II, you will scope, design, and build scalable distributed systems, collaborate across teams, and enhance engineering quality. You will utilize modern programming languages, contribute to architecture, and leverage cloud and container orchestration technologies.
Top Skills: AzureC#DockerGoHTMLJavaKubernetesNoSQLPowershellPythonReactSQLTypescript
Reposted YesterdaySaved
In-Office or Remote
Colorado, CO
Senior level
Senior level
Artificial Intelligence • Gaming • Esports
Develop and implement mobile games using Unity for iOS and Android. Collaborate with teams on gameplay features and optimization, ensuring quality code and user experience.
Top Skills: APIsC#UnityWebsocket
Reposted YesterdaySaved
Remote
Colorado, CO
180K-250K Annually
Mid level
180K-250K Annually
Mid level
Gaming • Mobile • Esports
Develop and integrate game features using Unity, C#, and various APIs while ensuring game performance and quality standards are met.
Top Skills: Adjust SdkApple OauthC#Facebook ApiFacebook OauthUnity
Reposted YesterdaySaved
Remote
Colorado, CO
Senior level
Senior level
Cloud • Security
As a Senior Software Architect, you'll lead platform integrations, design scalable applications with C#/.NET, and leverage AI for enhancements. You'll enforce code quality, collaborate across teams, mentor engineers, and ensure operational excellence in cloud environments.
Top Skills: .Net CoreAi/MlAzure CloudAzure DevopsC#Ci/CdGoInfrastructure-As-CodeJavaScriptPythonSQLTypescript
Reposted YesterdaySaved
Hybrid
Colorado, CO
167K-209K
Mid level
167K-209K
Mid level
Cloud • Enterprise Web • Software • Infrastructure as a Service (IaaS)
As a Developer Advocate at DigitalOcean, you'll create content to educate developers, provide product feedback, and mentor teams, collaborating closely with Growth and Product organizations.
Top Skills: C#JavaJavaScriptPython
Reposted YesterdaySaved
In-Office
Colorado, CO
Senior level
Senior level
Artificial Intelligence • Cloud • Machine Learning • Analytics • Consulting
Seeking a Technology Lead with 5 years of experience in .NET technologies, project management, and architecture review, for IT consulting and engineering solutions.
Top Skills: Asp.NetC#Entity FrameworkMvcSQL ServerWebservices
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