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Top C# Jobs in Denver & Boulder, CO

Reposted 17 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
164K-226K Annually
Senior level
164K-226K Annually
Senior level
Artificial Intelligence • Fintech • Machine Learning • Social Impact • Software
As a Senior Software Engineer at Upstart, you'll lead projects, work across the software stack, mentor others, and contribute to product strategies.
Top Skills: AWSC#JavaKafkaKotlinKubernetesNext.JsReactSpring BootSQL
Reposted 18 Days AgoSaved
Easy Apply
Hybrid
Colorado, CO
Easy Apply
190K-205K Annually
Senior level
190K-205K Annually
Senior level
Artificial Intelligence • Big Data • Cloud • Fintech • Machine Learning • Business Intelligence • Financial Services
The Staff Software Engineer will design and maintain scalable web applications and backend services while mentoring others and ensuring high engineering standards.
Top Skills: .NetAngular)AWSC#Javascript Frameworks (ReactMessagingRdbmsVue
19 Days AgoSaved
In-Office
Colorado, CO
125K-155K Annually
Senior level
125K-155K Annually
Senior level
Digital Media • Gaming • Software • Esports • Automation
The Senior Software Engineer will enhance the Verification platform, lead a development team, and ensure high-quality software delivery using various technologies, focusing on re-architecting systems.
Top Skills: .NetC#Cloud PlatformsGoKafkaMssqlReactSQLTypescriptWpf
20 Days AgoSaved
In-Office
Colorado, CO
125K-155K Annually
Senior level
125K-155K Annually
Senior level
Digital Media • Gaming • Software • Esports • Automation
The Senior Full Stack Engineer will develop and maintain a US Sports platform, coach junior engineers, and improve system performance under high demands with innovative tech.
Top Skills: .NetC#GCPGoKubernetesMicroservicesMssqlReactTypescriptWpf
20 Days AgoSaved
Remote or Hybrid
Colorado, CO
Mid level
Mid level
Cloud • Insurance • Payments • Software • Business Intelligence • App development • Big Data Analytics
The Software Engineer develops web apps and microservices, collaborates in Scrum teams, and builds responsive user interfaces using React and Golang, ensuring software quality through testing and code reviews.
Top Skills: C#ConfluenceContainerizationCypressGoGoogle Cloud PlatformGrpcJavaScriptJIRAKubernetesNode JsPostgresReactRestful ServicesRestsharpSQL ServerTypescriptVisual Studio Code
20 Days AgoSaved
Easy Apply
Remote or Hybrid
Colorado, CO
Easy Apply
132K-259K Annually
Senior level
132K-259K Annually
Senior level
Big Data • Cloud • Software • Database
The Enterprise Architect will collaborate with stakeholders to assess and modernize legacy applications to MongoDB, design microservice architectures, produce technical deliverables, and provide governance throughout the modernization process.
Top Skills: C#JavaMongoDBPl/SqlT-Sql
Reposted 22 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
142K-197K Annually
Mid level
142K-197K Annually
Mid level
Artificial Intelligence • Fintech • Machine Learning • Social Impact • Software
The Software Engineer will develop Upstart's HELOC and Mortgage products, collaborating cross-functionally and contributing to product improvements and quality enhancements.
Top Skills: AWSC#JavaKafkaKotlinKubernetesSpring BootSQL
Reposted 23 Days AgoSaved
Remote
Colorado, CO
120K-130K Annually
Senior level
120K-130K Annually
Senior level
eCommerce • Healthtech • Professional Services • Biotech • Pharmaceutical
The Senior Software Engineer will develop high-quality back-end systems for user acquisition, collaborate with cross-functional teams, and ensure code quality.
Top Skills: .NetAsp.Net/MvcAzure Cloud ServicesC#GitJavaScriptOrmsReactRestful Apis
Reposted 23 Days AgoSaved
Remote
Colorado, CO
120K-130K Annually
Senior level
120K-130K Annually
Senior level
eCommerce • Healthtech • Professional Services • Biotech • Pharmaceutical
The Senior Software Engineer will design and maintain software systems for telehealth, enhancing patient care and operational efficiency while ensuring scalability and compliance.
Top Skills: .NetAsp.Net/MvcAzure Cloud ServicesC#GitJavaScriptOrmsReactRestful Apis
Reposted 3 Days AgoSaved
Remote
Colorado, CO
150K-170K Annually
Senior level
150K-170K Annually
Senior level
Cloud • eCommerce • Enterprise Web • Information Technology • Software
As a Senior Engineer, you'll enhance the ingestion system, focusing on feature additions, bug fixes, and performance improvements while collaborating with the Chief Architect for future platform advancements.
Top Skills: BigQueryC++Cloud ComputingGoSQL
5 Hours AgoSaved
Remote
Colorado, CO
154K-210K Annually
Senior level
154K-210K Annually
Senior level
Information Technology • Security • Cybersecurity
Design and develop backend services for an IAM platform, focusing on high performance, scalability, and security. Collaborate with teams to implement new features and maintain existing ones, ensuring compliance with regulations.
Top Skills: Active DirectoryAWSAzureC#DfsDockerGoogle Cloud PlatformKerberosKubernetesLdapMsi Application PackagingMstestNoSQLSmbSQLWix Toolset
Reposted 7 Hours AgoSaved
In-Office
Colorado, CO
157K-173K Annually
Senior level
157K-173K Annually
Senior level
Information Technology • Logistics • Transportation • 3PL: Third Party Logistics
Lead and manage software engineering teams, drive technical excellence, ensure high-quality deliverables, and foster a culture of collaboration and innovation.
Top Skills: Azure CosmosAzure Service BusC#CSSDockerHTMLKubernetesAzureMs Sql Server/Azure SqlPostgresReact
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Reposted 7 Hours AgoSaved
Remote
Colorado, CO
Senior level
Senior level
Information Technology • Software • Consulting
The Senior Fullstack Engineer will design and maintain .NET applications, optimize SQL Server, mentor juniors, and ensure system reliability while collaborating on cloud infrastructure.
Top Skills: .NetAngularjsAzure App ServicesAzure Cloud ServicesC#GitHTMLJavaScriptJqueryMicrosoft IisRest ApisSQL ServerWcf
Reposted 7 Hours AgoSaved
In-Office or Remote
Colorado, CO
137K-228K Annually
Senior level
137K-228K Annually
Senior level
Fintech • Information Technology • Analytics
The Senior Software Engineer will design and build real-time applications focusing on computer vision. Responsibilities include developing .NET systems, integrating image recognition features, leading technical discussions, and mentoring teams.
Top Skills: .NetAzureC#DockerKafkaNoSQLOpencvRabbitMQSQLTensorFlow
Reposted 7 Hours AgoSaved
Remote
Colorado, CO
Senior level
Senior level
Artificial Intelligence • Software
Develop and maintain language frontends for the Joern platform for automated software vulnerability analysis, collaborating with a global team.
Top Skills: C#JvmRoslynScala
YesterdaySaved
In-Office or Remote
Colorado, CO
Senior level
Senior level
Consulting
The Mid/Senior Software Developer will design and develop cloud and desktop applications, optimize existing systems, and collaborate with teams to deliver scalable software solutions in a high-impact environment.
Top Skills: AWSAzureAzure DevopsCC#C++GitGitKubernetesMicrosoft Sql Server
YesterdaySaved
Remote
Colorado, CO
Senior level
Senior level
Legal Tech • Social Impact • Software
The Senior Data & Integrations Engineer/Business Analyst designs, develops, and maintains integration solutions, collaborates with clients to refine requirements, and modernizes legacy systems while leveraging AI technologies to enhance efficiency.
Top Skills: Ai ToolsC#Rest ApisSQL Server
YesterdaySaved
Remote
Colorado, CO
160K-190K Annually
Senior level
160K-190K Annually
Senior level
Other
The Senior Database Engineer at SkySlope develops and manages database systems, enhances software, and mentors engineers in a collaborative environment.
Top Skills: Apache AirflowAWSAzureBigQueryC#CloudFormationDatadogDynamoDBGitGitGCPGrafanaMongoDBNoSQLPentahoPythonRedisRedshiftRest ApisSnowflakeSQLTalendTerraform
YesterdaySaved
In-Office
Colorado, CO
150K-224K Annually
Senior level
150K-224K Annually
Senior level
Legal Tech • Software
Lead the Retrieval Ingestion Team by designing high throughput ingestion pipelines, mentoring team members, and ensuring optimal data indexing and retrieval.
Top Skills: AWSAzureC#ElasticsearchFlinkGCPGoJavaKafkaKinesisKubernetesLuceneOpensearchPythonSolrVespa
YesterdaySaved
Remote or Hybrid
Colorado, CO
183K-245K Annually
Senior level
183K-245K Annually
Senior level
Artificial Intelligence • Cloud • Fintech • Machine Learning • Mobile • Software
Lead the technical vision for a squad, guiding engineers on design decisions, providing mentorship, and ensuring high product quality through reviews and effective communication.
Top Skills: C#GitMicroservicesMicrosoft .NetSQL Server
YesterdaySaved
Remote or Hybrid
Colorado, CO
202K-270K Annually
Senior level
202K-270K Annually
Senior level
Artificial Intelligence • Cloud • Fintech • Machine Learning • Mobile • Software
The role involves developing and maintaining scalable web applications, collaborating with teams, performing code reviews, and mentoring others while owning system architecture and lifecycle.
Top Skills: .NetAsp.Net MvcC#GitHTML5JavaScriptMicrosoft .NetReactSQL ServerTypescriptWeb Apis
Reposted YesterdaySaved
Remote
Colorado, CO
81K-110K Annually
Mid level
81K-110K Annually
Mid level
Healthtech
The Software Engineer 2 develops, tests, and deploys software applications, collaborates with teams, resolves defects, and documents processes.
Top Skills: C#JavaJavaScriptPython
Reposted YesterdaySaved
Remote
Colorado, CO
160K-180K Annually
Senior level
160K-180K Annually
Senior level
Software
As a Senior Software Engineer at Versapay, you will lead NetSuite engineering efforts, drive technical decisions, develop features, and collaborate across teams to enhance Accounts Receivable Automation solutions.
Top Skills: BoomiC#CeligoIpaasJavaJavaScriptMicrosoft Sql ServerMySQLNetSuiteOracleSuitescript
Reposted YesterdaySaved
Remote
Colorado, CO
117K-150K Annually
Senior level
117K-150K Annually
Senior level
Information Technology • Software
As a Senior Software Engineer, you will design and develop scalable software solutions, mentor junior engineers, and collaborate with cross-functional teams in a remote environment.
Top Skills: .NetC#GitGrpcJavaScriptMicrosoft Sql ServerMySQLPostgresReactRestRuby On RailsSoap
Reposted YesterdaySaved
Remote
Colorado, CO
160K-200K Annually
Senior level
160K-200K Annually
Senior level
Artificial Intelligence • Cloud • Biotech
The Principal Software Engineer will develop cloud-based tools for data analysis, implement best practices in software development, and facilitate collaboration with teams to enhance workflow efficiency.
Top Skills: AnsibleAWSAzureBashC#CloudFormationDockerGoogle Cloud PlatformKubernetesPHPPsPulumiPythonReact/NativeTerraform
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