Top C# Jobs in Denver & Boulder, CO

Senior Back End Developer (C#)

One Month AgoSaved

Remote

Colorado

Senior level

Fintech • Software

Lead design and delivery of complex backend features for a high-scale online banking platform. Own code from design to production, modernize legacy systems, develop microservices, design APIs, implement tests, ensure secure coding, use AI-assisted tools, troubleshoot issues, and document APIs while collaborating with product, QA, and front-end teams.

Top Skills: .Net Core.Net Framework 4.8C#ChatgptCi/CdClaude CodeCursorFluentassertionsGitGithub CopilotLlm/Ai IntegrationMicroservicesMoqMs Sql ServerNunitRabbitMQRagRestXunit

Ubego

part-time Team Lead / Senior Software engineer C++ / Qt | Side-job

3 Months AgoSaved

In-Office or Remote

Colorado

Mid level

Gaming • Mobile • Travel

Develop and maintain mobile app and no-code quest editor, implement gameplay engine and server, design software architecture, and collaborate in one-week Scrum sprints using C++, Qt, QML, MySQL, and AI-assisted tools.

Top Skills: C++C++23Claude CodeCursorGitJavaScriptLinuxMySQLQmlQtTypescriptUmlVs Code Copilot

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