Get the job you really want.

Top C# Jobs in Denver & Boulder, CO

Reposted YesterdaySaved
In-Office
Colorado
90K-120K Annually
Junior
90K-120K Annually
Junior
Aerospace • Artificial Intelligence • Hardware • Machine Learning • Software • Defense • Manufacturing
The role involves designing and implementing simulation software for spacecraft using C++ and collaborating on algorithms for orbital mechanics and control.
Top Skills: C++Python
Reposted 9 Days AgoSaved
Remote or Hybrid
Colorado
170K-230K Annually
Expert/Leader
170K-230K Annually
Expert/Leader
HR Tech • Information Technology • Professional Services • Sales • Software
The Senior Backend Engineer will develop core mechanisms for financial planning, lead backend development, mentor peers, and manage the full development cycle.
Top Skills: AWSAws GlueC#JavaMySQLPostgresPysparkScalaSinglestore
YesterdaySaved
Easy Apply
Remote
Colorado
Easy Apply
141K-208K Annually
Mid level
141K-208K Annually
Mid level
Database • Analytics
Contribute to and optimize the performance of ClickHouse, assist with debugging, collaborate with teams, and engage with the open-source community.
Top Skills: C++KubernetesTcp/IpUnix/Linux
Reposted YesterdaySaved
Remote
Colorado
Senior level
Senior level
Software • Financial Services
The Lead Software Engineer will develop software, mentor peers, ensure software quality, and create architectural approaches while guiding development teams.
Top Skills: .NetAi/CopilotAzureC#Node.jsReactTerraformTerragruntVb.Net
Reposted YesterdaySaved
In-Office
Colorado
150K-235K Annually
Senior level
150K-235K Annually
Senior level
Digital Media • Gaming • Internet of Things • News + Entertainment • Retail • Business Intelligence • Cybersecurity
The Lead Software Engineer will oversee the software development lifecycle of a high-performance Ad Server, collaborating with stakeholders, mentoring junior engineers, and ensuring quality and timeliness of releases.
Top Skills: C++Db DesignGoNetwork Programming
Reposted YesterdaySaved
In-Office or Remote
Colorado
140K-250K Annually
Mid level
140K-250K Annually
Mid level
Artificial Intelligence • Productivity • Software
Build and launch native desktop applications for Windows, Mac, and Linux using C# and Avalonia UI. Collaborate on UI implementation and gain expertise in native APIs.
Top Skills: .NetAvalonia UiC#DjangoPythonSwiftWpfXamarin Forms
Reposted YesterdaySaved
Remote
Colorado
Senior level
Senior level
Fintech • Software
Develop backend services and APIs, improve existing solutions, create automated tests, and collaborate with the team while ensuring code quality and documentation.
Top Skills: Apache KafkaAsp.NetAWSC#Entity FrameworkGitGraphQLGrpcHTTPNatsNoSQLNunitRabbitMQRedisSoapSQLTcpXunit
2 Days AgoSaved
Remote
Colorado
146K-241K Annually
Senior level
146K-241K Annually
Senior level
Other • Software • Analytics
Design and develop APIs for ArcGIS Maps SDKs using .NET and C#. Collaborate across teams to solve complex design problems and optimize software performance.
Top Skills: .Net.Net MauiApi DesignC#GisWinuiWpf
Reposted 5 Days AgoSaved
Remote
Colorado
Senior level
Senior level
Information Technology
Design and develop scalable services/APIs using C#/.NET/.NET Core, collaborate during SDLC, mentor junior engineers, and ensure code quality.
Top Skills: C#,.Net,.Net Core,Linux,Aws,Azure,Docker,Kubernetes,Kafka
Reposted 7 Days AgoSaved
Remote
Colorado
Senior level
Senior level
Artificial Intelligence • Software
Design high-performance C++ libraries for automated PCB design challenges, mentoring peers and shaping technical direction while collaborating with experts in various fields.
Top Skills: C++CudaPython
Reposted 9 Days AgoSaved
In-Office or Remote
Colorado
30-70 Hourly
Mid level
30-70 Hourly
Mid level
HR Tech • Other • Professional Services
The Software Engineer will analyze, rank, and improve AI-generated code, providing feedback for reinforcement learning in a remote role.
Top Skills: C#
Reposted 9 Days AgoSaved
In-Office or Remote
Colorado
30-70 Hourly
Mid level
30-70 Hourly
Mid level
HR Tech • Other • Professional Services
The role involves training large-language models to improve code generation, reviewing and editing AI-generated code, and providing feedback for reinforcement learning refinement.
Top Skills: C++
New

Track Smarter, Apply Better.

Ditch the spreadsheets. Organize your job search with our freeApplication Tracker.

Use For Free
Application Tracker Preview
10 Days AgoSaved
Remote
Colorado
Mid level
Mid level
Artificial Intelligence • Information Technology • Software
Develop, test, and maintain software applications using .NET and C#, collaborate with teams, and improve development processes.
Top Skills: .NetAsp.NetAzure DevopsC#Cloud TechnologiesCSSEntity FrameworkGitHTMLJavaScriptMvcSQL Server
11 Days AgoSaved
In-Office or Remote
Colorado
30-70 Hourly
Mid level
30-70 Hourly
Mid level
HR Tech • Other • Professional Services
Train large-language models to improve code quality by comparing snippets, providing feedback, and refining AI-generated code. Requires strong communication skills and attention to detail.
Top Skills: C
Reposted 11 Days AgoSaved
Remote
Colorado
148K-204K Annually
Senior level
148K-204K Annually
Senior level
Information Technology • Security • Cybersecurity
The Staff Software Engineer will work on low-level Windows Kernel programming, develop features for security products, and debug real-world problems, impacting millions of endpoints.
Top Skills: AssemblyCC++Windows Os
Reposted 12 Days AgoSaved
Easy Apply
Remote
Colorado
Easy Apply
90K-137K Annually
Senior level
90K-137K Annually
Senior level
Fintech • Software
As a Senior Software Engineer, you will design and maintain core billing systems, lead technical discussions, mentor junior developers, and implement security measures while optimizing system performance.
Top Skills: C#PHP
Reposted 12 Days AgoSaved
Remote
Colorado
158K-213K Annually
Senior level
158K-213K Annually
Senior level
Software
The Engineer will design, develop, and operate routing services, solving complex guidance scenarios and creating customizable navigation solutions for various clients.
Top Skills: AWSC++GoJvmLinuxRust
Reposted 13 Days AgoSaved
In-Office
Colorado
Senior level
Senior level
Information Technology • Consulting
Design, develop, implement, and analyze technical products. Conduct engineering evaluations and improve product quality. Requires a bachelor's degree and 6 years of experience.
Top Skills: Apache Traffic ControlAPIsCC++GoHTTPJavaLinuxNetworkingPerlSystems AdministrationUnix
Reposted 13 Days AgoSaved
In-Office
Colorado
84K-105K Annually
Mid level
84K-105K Annually
Mid level
Analytics
Develop and enhance software in an Agile environment, troubleshoot issues, support QA processes, and document changes for a collaborative team.
Top Skills: BashCHibernate OrmJavaJava SpringJava SwingLinuxPostgresScala
Reposted 14 Days AgoSaved
Remote
Colorado
164K-273K Annually
Mid level
164K-273K Annually
Mid level
Cloud • Security • Software • Cybersecurity
Develop and support Veeam Backup for Office 365, collaborate in product development, and plan features. Requires C# expertise and cloud development experience.
Top Skills: .Net 8AmazonAzureAzure DevopsC#C++C++CliExchangeGitJenkinsOffice 365PowershellRestRiderSharepointSQLVisual Studio 2022Wpf
Reposted 14 Days AgoSaved
In-Office
Colorado
Senior level
Senior level
Information Technology • Software
Lead a development team focused on data processing and statistical analysis, ensuring high-quality software development and complex report packaging for clients.
Top Skills: C#PythonR
Reposted 14 Days AgoSaved
In-Office
Colorado
Junior
Junior
Information Technology • Software
The C# Developer, Analyst will implement and customize software, troubleshoot issues, and engage with clients, balancing coding and business interactions.
Top Skills: C#ExcelJavaScriptJquerySQLVBA
Reposted 14 Days AgoSaved
In-Office
Colorado
Mid level
Mid level
Information Technology • Software
Seeking a C# / MVC Developer to convert a VB.NET site to C# / MVC. Responsibilities include full stack .NET development, SQL development, and testing.
Top Skills: BootstrapC#CSSHTML5JavaScriptMvcSQL ServerVb.Net
Reposted 14 Days AgoSaved
In-Office
Colorado
Senior level
Senior level
Information Technology • Software
The Sr. C# Developer will work in an Agile/Scrum environment focusing on .NET development, rich UI web applications, and commercial software.
Top Skills: AjaxC#CSSHTMLJavaScriptJqueryJSONSQL Server
Reposted 14 Days AgoSaved
In-Office
Colorado
Senior level
Senior level
Information Technology • Software
Seeking a C# Engineer, Architect to join a team, focusing on development and providing a technology roadmap. Requires strong architecture skills.
Top Skills: AgileC#JavaScriptJqueryJSONMs TestMvc 4Mvc 5NunitWeb ServicesXML
All Filters
New Jobs
Job Category
Experience
Industry
Company Name
Company Size

Sign up now Access later

Create Free Account