280 csharp jobs at 114 companies in Lakewood, CO
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Software Engineer
Loveland, Colorado, United States
$111k-$185k/yr OnsiteFull Time
5+ YOEBS/MS in EE/CE/CS,5+ years software development in C#/C++,experience with RF and PNA/VNA preferred,ability to obtain US DOD security clearance,eligible U.S. person,10-25% travel,strong communication and problem-solving skills.
C#, C++, PNA, VNA, Confluence, Jira, BitBucket, signal generator, signal analyzer
2mo
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Principal SDET, Cybersecurity Test Engineer (35084)
Lakewood, Colorado, United States
$144k-$180k/yr HybridFull Time
8+ YOEBachelor’s degree in computer science or engineering preferred; 8+ years in SDET and 5+ years in cybersecurity testing. Requires C#, C++, Python, automation, DAST, CI/CD, DevSecOps, and security testing expertise.
C#, C++, Python, Docker, REST APIs, JSON, Azure, Git, DAST, CI/CD, DevSecOps, Scrum
1w
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Senior Software Engineer
Aurora, Colorado, United States
$110k-$164k/yr HybridFull Time
5+ YOEBachelor's degree and 5+ years related experience; strong skills in ASP.NET,C#,Node.js,React,Azure; experience with EMR not mentioned; on-call support and production troubleshooting experience.
ASP.NET, C#, Node.js, React, Azure, GitHub Copilot, Claude Code, Retrieval Augmented Generation (RAG)
2mo
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AI/ML Engineer
Aurora or King of Prussia
$82k-$172k/yr OnsiteFull Time
2+ YOEActive TS/SCI with Poly, BS in ML/CS/math, 2+ years developing AI/ML applications, strong Python skills (Pandas, scikit-learn, TensorFlow, Keras, PyTorch), experience with ML techniques, Linux and AWS.
Python, Pandas, scikit-learn, TensorFlow, Keras, PyTorch, Hugging Face, LangChain, Linux, AWS EC2, AWS S3, AWS Lambda, OpenAI Gym, RLlib, Stable Baselines, C++, Java, C#, CUDA, YOLO, Faster-RCNN, Transformers, RNNs, GANs, Variational Autoencoders
1mo
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C# Developer
Edmonton or Calgary or Toronto or Denver or Canada or India or United Kingdom or United States
OnsiteFull Time
Strong C#, .NET/ASP.NET Core, SQL, Azure and Cosmos DB experience; familiarity with Azure DevOps, Application Insights and Python; strong system design, problem solving and communication skills.
C#, .NET, ASP.NET Core, SQL, Python, Azure, Azure DevOps, Application Insights, Cosmos DB
2mo
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Sr. Software Engineer
Hyderabad or Denver or United States or Canada or India
OnsiteFull Time
3.5+ YOE3.5+ years experience with Microsoft SQL Server, SSIS, and T-SQL; 1–2 years .NET/ASP.NET; exposure to GitHub Copilot/AI tools; experience with C#, JavaScript, React, Microsoft Visual Studio and basic AWS/EC2; proficiency in Agile/Scrum.
T-SQL, MySQL, SSIS, SSRS, Claude, GitLab, GitHub Copilot, C#, ASP.NET, JavaScript, React, Microsoft Visual Studio, AWS, EC2, Microsoft SQL Server
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Technology and Innovation - OneStream Manager
Atlanta or Dallas or Ottawa or Toronto or San Jose or Miami or New York or Houston or Denver or Orange County or Chicago or Detroit or Washington
$113k-$138k/yr RemoteFull Time
5+ YOEBachelor's in Accounting/Finance/MIS required, 5+ years implementing or optimizing OneStream/CPM, OneStream certification required, experience with vb.net/Visual Basic/C#, Microsoft Office, business requirements gathering and project delivery.
OneStream, Hyperion, vb.net, Visual Basic, C#, Microsoft Office
3d
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Senior Solutions Architect (Pre-Sales)
Denver, Colorado, United States
$104k-$204k/yr HybridFull Time
3+ YOERequires 8–11 years in customer-facing roles, 5–7 years in enterprise software pre-sales, 3+ years with scripting or programming languages, distributed systems experience, travel up to 25%, and a bachelor's degree or equivalent.
Python, Node.js, SQL, C, C++, Java, C#, MongoDB, Atlas, Atlas Stream Processing, Atlas Data Lake, Atlas Full-Text Search, Atlas Vector Search, Charts, Relational Migrator, Apache Kafka, Kubernetes, DevOps, AWS, Google Cloud, Microsoft Azure
3w
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Senior Engineer, Design Evaluation Engineering
Colorado Springs or Centennial or Chapel Hills
$105k-$157k/yr HybridFull Time
3+ YOEBachelor's in electrical engineering, 3+ years design evaluation experience, expertise with high-speed analog/mixed‑signal characterization, PCB design tools, lab test equipment, and programming for test automation.
High Speed Oscilloscope, Network Analyzers, Spectrum Analyzers, Vector Network Analyzers, Signal Generators, BERTs, Source Measurement Units, temperature chambers, MIPI DPHY, CPHY, TDR, C#, C++, Visual Studio, Python, OrCAD, Cadence Allegro, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Project, Microsoft Outlook
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Software Engineer
Denver or Westminster
$90k-$190k/yr OnsiteFull Time
5+ YOE5+ years related experience, active TS/SCI clearance, strong Python proficiency, experience with test automation and hardware integration, software development best practices, and ability to work independently and with cross-functional teams.
Python, Java, C#, TypeScript, C++, pytest, unittest, Robot Framework, CI/CD, USB, Serial, Ethernet, oscilloscope, DAQ
1mo
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Engineering Developer
Lone Tree, Colorado, United States
OnsiteFull Time
3+ YOE3+ years software development experience; strong C#/.NET and Windows desktop (WinForms); experience with 2D graphics, geospatial math, AI-assisted development, and aviation domain knowledge.
C#, .NET, WinForms, PHP, Swift, GDI+, SVG, SkiaSharp, Anthropic Claude, Claude Code, GitHub Copilot, Git, CI/CD, Ollama, llama.cpp, LM Studio
2mo
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Senior C++/C# Software Engineer
Centennial, Colorado, United States
$100k-$140k/yr OnsiteFull Time
Bachelor's in computer science or related, strong experience with C++ or C#, familiarity with .NET and database design, problem solving and communication skills, interest in finance domain and legacy code maintenance.
Visual Studio Professional, .NET, C++, C#, Entity Framework, Microsoft SQL Server, MSTest, Moq, GitHub Copilot, Git, Azure DevOps, PowerShell
3w
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BIM Integration Developer - Kiewit Infrastructure Engineers
Omaha or Lone Tree
$92k-$111k/yr OnsiteFull Time
3+ YOE3+ years software development; bachelor’s in CS/SE/Engineering or equivalent; strong C#/.NET, REST API, React, SQL, Git, CI/CD; familiarity with BIM, ETL, and cloud platforms.
C#, .NET, RESTful APIs, React, JavaScript, TypeScript, SQL, Git, CI/CD, MongoDB, elasticsearch, IFC, Microsoft Azure, Copilot
4w
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Senior Software Engineer, Golang
Charlotte or Fort Mill or Denver or Minneapolis
$119k-$150k/yr HybridFull Time
5+ YOEBachelor's or equivalent,5+ years software development experience,proficiency in Go and multiple languages,experience with testing,AWS and IaC preferred,strong problem-solving and communication skills.
Golang, Go, PHP, JavaScript, Python, TypeScript, Java, C#, C++, Node.js, GraphQL, REST APIs, NoSQL, AWS, IaC
4w
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Software Engineer
Chesterfield or Greenwood Village
$85k-$140k/yr HybridFull Time
2+ YOEBachelor's in CS or related, 2+ years software development experience, experience with C#/.NET, SQL Server, web fundamentals, Git, testing, and strong communication and problem-solving skills.
C#, .NET, SQL Server, HTML, CSS, JavaScript, Git, TypeScript, Angular, React, REST APIs, Azure DevOps, Azure, AWS, Application Insights, DataDog
2d
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Sr Applications Developer
Broomfield, Colorado, United States
HybridFull Time
3+ YOEBachelor's degree in computer science, information technology, or related field; 3–5 years of full-stack development experience with .NET, ASP.NET MVC, C#, SQL Server, APIs, web technologies, and integrations.
Microsoft .NET Framework, ASP.NET MVC, C#, Visual Studio, Microsoft SQL Server, RESTful services, Web API, JavaScript, TypeScript, jQuery, JSON, HTML, CSS, XML
2mo
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Sitecore Web Developer
Tacoma or Fort Lewis or Aurora or San Antonio or Falls Church
OnsiteFull Time
8+ YOEFull-stack secure web developer with Sitecore experience, HTML/CSS/JavaScript, modern front-end frameworks, ASP.NET/C#, SQL, Jira; 8+ years experience, Bachelors in IT/math or equivalent, active IAT II and CE certifications, U.S. citizenship and ability to obtain government clearance.
HTML, CSS, JavaScript, React, Angular, Vue, ASP.NET, C#, Sitecore, SQL, Jira, MVC5, PWAs
2w
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Software Engineer III
Lone Tree or Englewood
$108k-$149k/yr HybridFull Time
6+ YOEBachelor's in CS or related,6+ years software development,proficiency in C# or Java,experience with Linux/RHEL and Windows services,hardware integration experience,ability to obtain U.S. Secret security clearance.
C#, Java, Linux (RHEL), Windows services, C, C++, HTML, Python, Bash
2w
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Software Engineer
Aurora, Colorado, United States
$69k-$158k/yr OnsiteFull Time
3+ YOE3+ years software engineering experience, TS/SCI with polygraph required, Bachelor's in a STEM field, experience with cloud environments and building RESTful APIs, proficiency in Python/Java and modern web stacks.
Python, Java, Vue, Node, AWS, Azure, GCP, RESTful APIs, Linux, Docker, Kubernetes, C#, C, C++, JavaScript, React
4w
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Senior DevSecOps Engineer
Boulder, Colorado, United States
$148k-$267k/yr OnsiteFull Time
10+ YOEActive DoD Secret clearance,10+ years experience, strong RHEL administration and scripting (Bash, Python), IaC and cloud expertise (Terraform, Ansible, CloudFormation, Pulumi), CI/CD and container orchestration experience, familiarity with NIST and DoD DevSecOps.
Terraform, Ansible, CloudFormation, Pulumi, GitLab CI, GitHub Actions, Azure DevOps, Jenkins, Docker, Kubernetes, RKE2, OpenShift, Rancher, Helm, Kustomize, Artifactory, Harbor, Docker Registry, Nexus, OPA, Conftest, Checkov, Red Hat Enterprise Linux, Bash, Python, Java, C#, Go, JavaScript/TypeScript, SAST, DAST, SCA, Git, VMware
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