2w
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Senior Fullstack Engineer
Boulder, Colorado, United States
$135k-$160k/yr HybridFull Time
7+ YOE7+ years software engineering experience, strong C#/.NET and SQL Server expertise, JavaScript familiarity, distributed systems and API design, technical leadership and mentoring.
C#/.NET, SQL Server, JavaScript
3w
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Senior Red Team Operator
Minneapolis or Atlanta or Cincinnati or Cupertino or Portland or New York or Chicago or Englewood or Charlotte or Irving
$133k-$157k/yr HybridFull Time
8+ YOEBachelor's degree or equivalent, 8+ years in information security with offensive security/Red Team experience; expertise in exploit development, offensive tooling, and scripting; strong communication and leadership.
Cobalt Strike, Metasploit, Mythic, Sliver, Python, PowerShell, C/C++, C#, Go, Shell, EDR, XDR, Infrastructure as Code (IaC)
1w
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CONTROLS & AUTOMATION ENGINEER – TEST & LAUNCH
Broomfield, Colorado, United States
$100k-$175k/yr HybridFull Time
3+ YOEBachelors in engineering,3+ years automations/control systems experience,PLC and HMI/SCADA experience,knowledge of instrumentation,data acquisition,and industrial comms;Python/C#/C++ experience a plus.
PLC, Ignition SCADA, Wonderware, FactoryTalk, EtherCAT, EtherNet/IP, Modbus TCP, CAN, OPC UA, Python, C#, C++, HMI, SCADA
1mo
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Instructional Coordinator - Adjunct - Open Pool
Fort Collins, Colorado, United States
$70-$2k/yr HybridPart Time
5+ YOEMaster's or doctorate in a relevant field, 5+ years professional experience (MBA IC) or equivalent academic experience, proficiency in Microsoft Office, experience delivering supplemental teaching/coaching, ability to work varied hours, and legal US work authorization.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Canvas, Blackboard, Moodle, C#, ASP.Net, PHP, Java, bash, PowerShell, Python, R, JavaScript, HTML, CSS, SQL, NoSQL, UML, AdWords, WordPress, SEO
2w
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Manager, Technology Disputes - Coding
Atlanta or Boston or Chicago or Dallas or Denver or Los Angeles
$115k-$165k/yr OnsiteFull Time
4+ YOEBachelor's in CS/Engineering or similar,4+ years software development/code-review experience,ability to read/write C++,C#,Java,Python,SQL,HTML,strong communication,team management,US work authorization required.
C++, C#, Java, Python, SQL, HTML
2mo
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HW Test Engineer
San Francisco or Boulder
OnsiteFull Time
3+ YOE3+ years hardware/software development; embedded hardware; Python or C#/WPF; PCB bring-up; data logging; travel up to 20%; BS/BA in technical field; manufacturing experience.
Python, C#, WPF, Git, GitHub, Command Line, Homebrew, apt, Soldering, Wiring, I2C, SPI, PCB Bring-up, Data Logging
1mo
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Software Engineer Full Stack (Pricing Engine)
Denver or United States or United Kingdom or Canada or Australia or New Zealand
$83k-$125k/yr HybridFull Time
3+ YOE3+ years building production web applications; strong frontend with Vue.js or React; backend proficiency in C#/.NET (or Java, Kotlin, Go); SQL and AWS (SQS, DynamoDB, S3, ECS, Lambda); testing, AI coding tools, and strong system design and communication.
Vue.js, React, C#, .NET, Java, Kotlin, Go, SQL, AWS, SQS, DynamoDB, S3, ECS, Lambda, Copilot, Cursor, Claude Code, Memcached, Redis, Jira, Confluence, Postman, Bruno, CI/CD
3w
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Staff Software Engineer
Denver or Austin or United States
$150k-$160k/yr HybridFull Time
10+ YOE10+ years software development experience with deep mobile expertise; Bachelor’s or equivalent; production React Native, TypeScript, Swift and/or Kotlin experience; native iOS/Android and CI/CD knowledge; strong communication and technical leadership.
React Native, TypeScript, Swift, Kotlin, Angular, C#, SQL, Git, Xcode, Android Studio
1mo
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IT Support & Systems Analyst
Longmont or Niwot
$70k-$95k/yr OnsiteFull Time
10+ YOE10+ years IT experience; administer Windows/Linux servers, networking (VLANs, VPNs, TCP/IP, DNS, DHCP), IAM (Active Directory, Duo), Rapid7 SIEM, GitLab; develop/maintain apps with VB.NET, C#, Python, PowerShell, SQL, PHP; on-call availability; must meet ITAR eligibility.
Active Directory, Duo Federal 2FA, PaperCut, Zoom, Infor CloudSuite Industrial ERP, Rapid7 SIEM, Windows Server, Linux, Ubiquiti, SonicWall, BarTender Designer, GitLab, VB.NET, C#, Python, PowerShell, SQL, PHP
6d
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Senior Software Engineer (.NET)
Aurora, Colorado, United States
$135k-$140k/yr OnsiteFull Time
4+ YOE4+ years relevant experience with .NET/C#/MVC/JavaScript/SSIS/T-SQL; full-stack web development, Agile experience, strong SQL and UI skills; Master's or Bachelor's degree alternatives noted.
.NET, C#, MVC, JavaScript, SSIS, T-SQL, JQuery, HTML, CSS, SQL, Web Services
4w
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Senior Site Reliability Automation Engineer
Denver or Raleigh
HybridFull Time
7+ YOE7+ years in software/site reliability/platform/DevOps roles; strong software development in Python, PowerShell, TypeScript, JavaScript, Java or C#; experience with CI/CD, AWS and/or Microsoft Azure, production troubleshooting, RCA, and building automation and observability.
Python, PowerShell, TypeScript, JavaScript, Java, C#, CI/CD, AWS, Microsoft Azure, Datadog, Dynatrace, Splunk, New Relic, Microsoft Azure Monitor, Amazon CloudWatch
1w
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SIL Architect
Broomfield, Colorado, United States
HybridFull Time
7+ YOE5+ MgmtBachelor's or equivalent plus extensive enterprise integration experience; 7+ years delivering integration solutions and 5+ years in technical leadership; expertise in cloud-native integration, APIs, event-driven architectures, CI/CD, and modern engineering practices.
Microsoft Azure, C#, .NET, SQL, NoSQL, CI/CD, DevOps, Infrastructure as Code (IaC), Kafka, Azure Integration Services, API Management, Service Bus, Event Grid, Logic Apps, Azure Functions, Domain-Driven Design (DDD)
5d
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Senior Software Engineer, Verifications
Denver, Colorado, United States
$125k-$155k/yr HybridFull Time
Proven developer with experience in backend and full-stack systems, leadership/mentoring, cloud platforms, and strong problem-solving; knowledge of React, Typescript, Golang, Kafka, SQL and .Net technologies.
Golang, React, Kafka, SQL, .Net, Typescript, C#, MSSQL, WPF, Cloud Platforms
3d
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Digital Solutions Consultant
San Diego or Tampa or Dallas or Denver or Irvine or Knoxville
$95k-$120k/yr OnsiteFull Time
8+ YOEBachelor's degree, 8+ years in AI/software/EMIS roles, experience with LLMs and software administration, SQL/Excel and BI tools, programming experience, strong analytical and communication skills.
LLMs, ChatGPT, Copilot, Claude, Power BI, Tableau, Enablon, Cority, Intelex, Velocity, Locus, Sphera, SQL, JSON, Rest API, XML, Python, HTLM, .NET, C#, C++, Java, JavaScript, CSS, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft SharePoint, Microsoft OneDrive, AWS, Google Cloud, Azure
2w
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Software Engineer II
Denver, Colorado, United States
$90k-$100k/yr HybridFull Time
3+ YOEBachelor's degree,3+ years professional software engineering experience,proficiency in C#/.NET,Python or Java,database and ETL experience,SQL skills,React and Git experience,excellent communication and Agile experience.
C#/.NET, Python, Java, MS SQL, PostgreSQL, SSIS, BIML, SQL Server Management Studio, Visual Studio, IntelliJ, React, Git, Copilot, AWS, REST, ETL
2mo
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Software Engineer
Denver, Colorado, United States
$70k-$145k/yr HybridFull Time
2+ YOEBachelor's in Computer Science required; 2+ years developing with C#, Angular/JS frameworks, HTML5/CSS3, SQL and GitHub. Experience with SDLC, ASP.NET, Entity Framework, Azure preferred; strong communication and analytical skills.
C#, SQL, Entity Framework (EF), Angular, ASP.NET, HTML5, CSS3, GitHub, Azure
2mo
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Software Engineer
Denver, Colorado, United States
$70k-$145k/yr OnsiteFull Time
2+ YOEBachelor's in Computer Science; 2+ years in software development; experience with C#, Angular/JS, HTML5, CSS3, SQL, GitHub; SDLC; Azure; EF; strong communication.
C#, Angular, HTML, CSS, SQL, GitHub, Azure, Entity Framework, ASP.NET
2mo
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Sr AI Enablement Engineer
Bellevue or Boston or Boulder or Chicago or Denver or Los Angeles or New York City or San Francisco or San Jose or Seattle or Ventura
$125k-$229k/yr OnsiteFull Time
8+ YOE8+ years software engineering experience, 1-2+ years on AI systems, Bachelor's/Master's or equivalent, strong Python and familiarity with C#, SQL, TypeScript/React, experience with LLMs, RAG, vector DBs, and enterprise AI platforms.
LangChain, LlamaIndex, Semantic Kernel, Azure AI Search, vector databases, Microsoft Copilot, Microsoft Copilot Studio, Anthropic Claude, Python, C#, SQL, TypeScript, React
2mo
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Senior Application Developer
Aurora, Colorado, United States
$85k-$95k/yr HybridFull Time
2+ YOESenior developer for identity and access management; design, develop, and support secure, multi‑system web apps with identity/authentication integrations.
ASP.NET, NodeJS, MVC, TypeScript, Angular, Vue, React, MySQL, Oracle, MSSQL Server, Java, Python, Ruby, C#
1mo
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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