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Top C# Jobs in Denver & Boulder, CO

Reposted 14 Hours 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
18 Days AgoSaved
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 13 Hours AgoSaved
Remote
Colorado
112K-140K Annually
Senior level
112K-140K Annually
Senior level
Software
The Sr. Software Engineer will develop scalable cloud-native APIs using .NET, lead architectural discussions, and mentor team members while improving core system components.
Top Skills: .Net CoreAWSJavaKubernetesOpentelemetryPostgres
YesterdaySaved
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#
YesterdaySaved
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++
3 Days AgoSaved
Remote
Colorado
Senior level
Senior level
Software • Financial Services
The Senior Software Engineer develops, maintains, and ensures the quality of software products, mentors peers, and leads technical projects.
Top Skills: AWSAzure PipelinesC#DockerGitlabJavaScriptJIRAJquerySQL
Reposted 3 Days AgoSaved
Easy Apply
Remote
Colorado
Easy Apply
150K-200K Annually
Senior level
150K-200K Annually
Senior level
Software
The engineer will enhance premium product offerings for Brave's desktop applications and integrate new products, ensuring privacy and security for users.
Top Skills: C++JavaScript
Reposted 3 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
4 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 4 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 5 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 5 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
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Reposted 5 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 5 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 5 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
Reposted 5 Days AgoSaved
In-Office
Colorado
Mid level
Mid level
Information Technology • Software
The C# Engineer will perform full life cycle development in an Agile environment, focusing on C# with potential work in Java, C++, and JavaScript on various projects.
Top Skills: AngularjsC#C++GitJavaJavaScriptSQL ServerSubversionTfsXamarin
Reposted 5 Days AgoSaved
In-Office
Colorado
Mid level
Mid level
Information Technology • Software
Responsible for designing, developing, maintaining, and releasing production-level ASP.NET applications and modules in a collaborative team.
Top Skills: Asp.NetC#SQL
Reposted 5 Days AgoSaved
In-Office
Colorado
Mid level
Mid level
Information Technology • Software
The C# Developer will be responsible for developing enterprise applications, focusing on .Net/C#/SQL web application development, within a small team.
Top Skills: Asp.NetC#Multi-TierMvcSQL ServerSsisSsrsT-Sql
Reposted 5 Days AgoSaved
In-Office
Colorado
Entry level
Entry level
Information Technology • Software
The C# Developer will develop applications for data integration between systems, requiring proficiency in C# and a willingness to learn.
Top Skills: C#MvcSQL
Reposted 5 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 5 Days AgoSaved
In-Office
Colorado
107K-169K Annually
Mid level
107K-169K Annually
Mid level
Digital Media • Gaming • Internet of Things • News + Entertainment • Retail • Business Intelligence • Cybersecurity
The C++ Developer will design, maintain, and optimize cloud-based ad serving systems, focusing on software architecture, algorithm performance, and integration with distributed databases while collaborating with stakeholders and ensuring quality standards.
Top Skills: AerospikeC++Db DesignLinuxSnowflake
Reposted 5 Days AgoSaved
In-Office
Colorado
107K-169K Annually
Mid level
107K-169K Annually
Mid level
Digital Media • Gaming • Internet of Things • News + Entertainment • Retail • Business Intelligence • Cybersecurity
Design, develop, and support video advertising platform software, collaborating on requirements, conducting technical analyses, and leading junior engineers.
Top Skills: C++Db DesignNetwork Programming
Reposted 5 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 5 Days AgoSaved
Easy Apply
Remote
Colorado
Easy Apply
15-150 Annually
Mid level
15-150 Annually
Mid level
Artificial Intelligence • Information Technology • Internet of Things
As an AI Tutor in C, you'll train and evaluate AI models, review C code, write solutions, and explain coding concepts.
Top Skills: AIC
Reposted 5 Days AgoSaved
Easy Apply
Remote
Colorado
Easy Apply
15-150 Annually
Mid level
15-150 Annually
Mid level
Artificial Intelligence • Information Technology • Internet of Things
As an AI Tutor for C#, you will review and write C# code, document reasoning, and provide feedback to improve AI-generated code.
Top Skills: .NetAsync/AwaitC#LinqOop
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