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Top C# Jobs in Denver & Boulder, CO

Reposted YesterdaySaved
Easy Apply
Remote or Hybrid
Colorado, CO
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Junior
Junior
Real Estate • Security • Software • Cybersecurity • PropTech
The Engineering Manager will lead a software engineering team, fostering a culture of innovation and improving team dynamics while ensuring quality code and delivery of projects.
Top Skills: .NetC#JavaScriptVue
Reposted YesterdaySaved
Remote or Hybrid
Colorado, CO
140K-215K Annually
Mid level
140K-215K Annually
Mid level
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
As a Sr. Backend Cloud Engineer, you'll develop microservices, mentor peers, and enhance system reliability while collaborating on cybersecurity solutions.
Top Skills: AWSC#CassandraDockerElasticsearchGoJavaKafkaKubernetesPostgresPythonRedis
Reposted 2 Days AgoSaved
Easy Apply
Remote or Hybrid
Colorado, CO
Easy Apply
Mid level
Mid level
Cloud • Healthtech • Professional Services • Software • Pharmaceutical
As a Senior Software Engineer, you'll design and develop core modules for a cloud-based clinical data platform, collaborating with the engineering team and overseeing the software development lifecycle.
Top Skills: AngularAsp.Net MvcAWSC#CSSHTMLJavaScriptMicroservicesSagemakerSQL
Reposted 2 Days AgoSaved
Easy Apply
Remote or Hybrid
Colorado, CO
Easy Apply
Senior level
Senior level
Cloud • Healthtech • Professional Services • Software • Pharmaceutical
As a Principal Full Stack Software Engineer, you will design and develop core modules for an analytics cloud platform, ensuring quality and efficiency throughout the lifecycle.
Top Skills: AngularAsp.Net MvcC#CSSHTMLJavaScriptMicrosoft Sql ServerTypescript
3 Days AgoSaved
Hybrid
Colorado, CO
95K-162K Annually
Senior level
95K-162K Annually
Senior level
Aerospace • Hardware • Information Technology • Security • Software • Cybersecurity • Defense
Develop and maintain digital engineering applications, collaborating with stakeholders to enhance system functionality and user experience. Participate in testing, deployment, and troubleshooting of software solutions while ensuring adherence to architectural standards.
Top Skills: AWSAzureC#JavaJavaScriptMicroservices ArchitecturePythonRustSQL
4 Days AgoSaved
Easy Apply
Remote or Hybrid
Colorado, CO
Easy Apply
150K-253K Annually
Senior level
150K-253K Annually
Senior level
Artificial Intelligence • Cloud • Computer Vision • Hardware • Internet of Things • Software
The Senior Software Engineer II will architect, design, and deliver full-stack features for the Automation Platform, ensuring scalability and maintaining production systems. Responsibilities include collaborating with various teams, mentoring engineers, and championing company cultural principles to enhance customer experiences.
Top Skills: AWSC#GoGraphQLJavaNode.jsReactReactnativeTypescript
Reposted 5 Days AgoSaved
Easy Apply
Remote or Hybrid
Colorado, CO
Easy Apply
118K-231K Annually
Senior level
118K-231K Annually
Senior level
Big Data • Cloud • Software • Database
Lead the design and implementation of software components for MongoDB's Atlas Async Runtime, focusing on scalable distributed systems and workflow orchestration.
Top Skills: C#GoJavaRust
Reposted 6 Days AgoSaved
Hybrid
Colorado, CO
111K-185K Annually
Senior level
111K-185K Annually
Senior level
Fitness • Music • Software
As a Senior Software Engineer, build and maintain scalable systems, develop APIs, tackle technical challenges, and coach junior engineers.
Top Skills: .NetAWSC#JenkinsPostgresRestful ApisSQL ServerTeamcity
Reposted 6 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
213K-295K Annually
Expert/Leader
213K-295K Annually
Expert/Leader
Artificial Intelligence • Fintech • Machine Learning • Social Impact • Software
As a Distinguished Engineer, you will lead the development of Upstart's Underwriting Platform, defining technical direction and facilitating collaboration with ML teams for scalable solutions.
Top Skills: AWSC#C++DockerGrpcJavaKafkaKotlinKubernetesPython
7 Days AgoSaved
Easy Apply
Remote or Hybrid
Colorado, CO
Easy Apply
126K-212K Annually
Senior level
126K-212K Annually
Senior level
Artificial Intelligence • Cloud • Computer Vision • Hardware • Internet of Things • Software
As a Senior Software Engineer, you will develop scalable infrastructure, build full-stack features, and support production systems while mentoring other engineers.
Top Skills: AWSC#GoGraphQLJavaNode.jsReactReactnativeTypescript
Reposted 9 Days AgoSaved
Remote or Hybrid
Colorado, CO
136K-170K
Senior level
136K-170K
Senior level
Digital Media • Gaming • Information Technology • Software • Sports • Esports • Big Data Analytics
As a Lead Software Engineer, you'll design, develop, and maintain backend applications primarily in C#/.NET Core, collaborating with business leads and ensuring high-quality deliveries from your team.
Top Skills: .Net CoreAWSC#MySQLSQLSQL Server
Reposted 9 Days AgoSaved
Remote or Hybrid
Colorado, CO
216K-237K Annually
Senior level
216K-237K Annually
Senior level
Cloud • Fintech • Information Technology • Machine Learning • Software
Seeking a Senior Software Engineer with 5+ years of experience to design and build scalable payroll services, ensuring high standards in software delivery.
Top Skills: AWSAzureC#DockerGCPJavaJavaScriptKotlinKubernetesPostgresPythonSQLTypescript
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Reposted 9 Days AgoSaved
In-Office or Remote
Colorado, CO
160K-200K Annually
Senior level
160K-200K Annually
Senior level
Digital Media • Kids + Family • Mobile • Software • Sports
This role involves designing, implementing, and supporting video features across the video pipeline stack, while collaborating on projects that enhance user experiences and streaming capabilities.
Top Skills: AWSC#C++Ci/CdFfmpegGitlabGoJenkinsKotlinNode.jsPythonReactRustSwiftTypescript
Reposted 9 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 10 Days AgoSaved
Easy Apply
Remote or Hybrid
Colorado, CO
Easy Apply
118K-231K Annually
Senior level
118K-231K Annually
Senior level
Big Data • Cloud • Software • Database
The Senior Software Engineer will design and develop IAM features, lead projects, mentor teammates, and improve code and best practices in a full-stack web application environment.
Top Skills: C#C++GoJavaJavaScriptReactReduxTypescript
Reposted 11 Days AgoSaved
Easy Apply
Remote or Hybrid
Colorado, CO
Easy Apply
Expert/Leader
Expert/Leader
Cloud • Information Technology • Security • Software
As a Developer Advocate at Sonar, you will engage and educate developers on software quality, create technical content, and build community relationships to enhance developer experiences.
Top Skills: C#C++JavaJavaScriptPython
Reposted 12 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 13 Days AgoSaved
Hybrid
Colorado, CO
111K-185K Annually
Senior level
111K-185K Annually
Senior level
Fitness • Music • Software
As a Senior Software Engineer, you will build scalable services, develop APIs, and mentor teammates while addressing performance challenges and improving the tech stack.
Top Skills: AWSC#Ci/CdJavaJenkinsPostgresRestful ApiSQL ServerTeamcity
Reposted 14 Days AgoSaved
Remote or Hybrid
Colorado, CO
140K-215K Annually
Senior level
140K-215K Annually
Senior level
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
Develop cloud-native microservices for a Next-Gen SIEM platform focusing on UEBA and anomaly detection in a high-volume environment.
Top Skills: C#DockerGoJavaKafkaKubernetesOpensearchPostgresPythonRedis
Reposted 14 Days AgoSaved
Easy Apply
Remote
Colorado, CO
Easy Apply
142K-226K Annually
Senior level
142K-226K Annually
Senior level
Artificial Intelligence • Fintech • Machine Learning • Social Impact • Software
As a Senior Software Engineer, you'll build backend web features for Small Dollar Loans, lead projects, mentor engineers, and collaborate on engineering strategy.
Top Skills: C#JavaKotlinNext.JsRubyRuby On RailsSpring FrameworkVercel
Reposted 14 Days AgoSaved
Easy Apply
Remote or Hybrid
Colorado, CO
Easy Apply
230K-264K Annually
Senior level
230K-264K Annually
Senior level
Healthtech • Information Technology • Software • Telehealth
As a Staff Software Engineer, you'll develop high-quality software incorporating AI capabilities, learn about AI/ML technologies, and collaborate on consumer-facing products.
Top Skills: AIC#Distributed SystemsLlmsMicroservices
16 Days AgoSaved
Easy Apply
Remote or Hybrid
Colorado, CO
Easy Apply
230K-260K Annually
Senior level
230K-260K Annually
Senior level
Healthtech • Information Technology • Software • Telehealth
As a Staff AI Engineer, you will develop and maintain AI capabilities in software, focusing on an AI-based voice agent for healthcare. You will collaborate with talented engineers and contribute to consumer-facing products.
Top Skills: AIC#Distributed SystemsGenaiMicroservicesMl
Reposted 16 Days AgoSaved
Easy Apply
Remote or Hybrid
Colorado, CO
Easy Apply
176K-264K Annually
Senior level
176K-264K Annually
Senior level
Healthtech • Information Technology • Software • Telehealth
The Staff Software Engineer will improve developer workflows, contribute to tooling, mentor engineers, and ensure code quality in Zocdoc's healthcare technology.
Top Skills: APIsAWSC#CdCiDockerGoIacPythonTypescript
18 Days AgoSaved
Remote or Hybrid
Colorado, CO
Senior level
Senior level
Artificial Intelligence • Fintech • Information Technology • Software • Data Privacy
The Principal Software Engineer will design, develop, and optimize scalable data-driven SaaS solutions while addressing technical debt and ensuring system reliability and security.
Top Skills: .Net FrameworkAksAsp.NetAzureAzure DevopsC#DockerJavaScriptKubernetesReactSQL Server
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
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