1,189 software development engineer jobs at 353 companies in Lyons, CO
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Software Development Engineer
Seattle or Brevard County or Denver
$151k-$231k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
3+ YOEBachelor's in CS/EE/CE/aeronautics +6 yrs (or MS/PhD +3 yrs); experience in safety-critical and embedded systems software; writing requirements (Jama), activity tracking (Jira); familiarity with generative AI for development.
Jama, Jira, Generative AI tools, C, C++, Rust, cFS
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Software Development Engineer
Westminster, Colorado, United States
$82k-$120k/yr OnsiteFull Time
1+ YOEBachelor's in CS or related, 1+ years professional software development, hands-on Python and/or C++, experience with Flask, Kubernetes on AWS, Docker, relational and NoSQL databases, CI/CD (Jenkins preferred), and Agile practices. Must be a U.S. Person.
Python, C++, Flask, Kubernetes, AWS, Docker, PostgreSQL, SQL, NoSQL, Jenkins
4d
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Strategic Software Development Engineer
Greenwood Village, Colorado, United States
$110k-$190k/yr OnsiteFull Time
3+ YOEBS in CS/Software/Aerospace or related, 3+ years software engineering, aerospace software experience preferred, cross-domain expertise, active or eligible for Secret clearance.
C/C++, Python, C#, Linux, Rust, ROS 2, cFS, ML frameworks
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Software Development Engineer - Developer Platform
Boulder, Colorado, United States
$130k-$196k/yr HybridFull Time
5+ YOE5+ years software engineering; 5+ years JVM backend (Java or Kotlin) with Spring Boot; 5+ years TypeScript/JavaScript and React; 3+ years cloud-native (GCP or AWS); Bachelor\u0002s or equivalent experience; EM/agentic system familiarity.
JVM, Java, Kotlin, Spring Boot, TypeScript, JavaScript, React, GCP, AWS, OpenAI-compatible APIs, OpenAI-compatible endpoints, Model Context Protocol (MCP), Cursor, Claude Code, Windsurf, Cline, SSE, WebSockets, Jest, React Testing Library, JUnit, Cypress, LangChain, Kubernetes, Helm, HTML, CSS
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Software Development Engineer, AWS Marketplace
Denver, Colorado, United States
OnsiteFull Time
3+ YOE3+ years professional software development, 2+ years design/architecture experience, proficiency programming in at least one language; bachelor's degree in computer science preferred.
Spec-Driven Development (SDD)
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Principal Engineer – Software Development
Boulder, Colorado, United States
$75k-$232k/yr OnsiteFull Time
10+ YOEBachelor's degree with 10+ years or master's degree with 7–8 years of relevant experience; proficiency in C, C#, Python, SQL; test instrumentation, circuits, signal analysis, and U.S. export eligibility required.
C#, C, Python, SQL, LabVIEW
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Software Engineer
Denver, Colorado, United States
$115k-$135k/yr HybridFull Time
3+ YOE3+ years professional software engineering experience; bachelor's degree in CS/Software Engineering or equivalent; experience with full‑stack web apps, APIs, source control, Agile, and AI-assisted development.
Azure, AWS, Google Cloud, CI/CD, containerization, AI-powered development tools, GenAI, Agile
4d
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Software Development Engineer in Test
Spring or Durham or Fort Collins or Andover
$98k-$214k/yr HybridFull Time
4+ YOEBS/MS or equivalent experience; 4-6 years software test automation; experience with Playwright or Selenium; programming in Java, Typescript, or Python; Agile SDLC knowledge; strong troubleshooting and analytical skills.
Playwright, Selenium, Java, Typescript, Python, KVM, Kubernetes, VMware, AWS, Azure, GCP, Terraform, Ansible
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Software Engineer
Boulder, Colorado, United States
$120k-$155k/yr OnsiteFull Time
3+ YOE3+ years professional software engineering experience; strong iOS development with Swift, UIKit/SwiftUI; mobile architecture, networking, state management, and collaboration in cross-functional teams.
iOS, Swift, UIKit, SwiftUI, tvOS, Apple TV, Android, Android TV, Fire TV
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Engineer, Development
Denver or Atlanta
HybridFull Time
1+ YOE1+ year software development experience; Bachelor's in computer science/engineering required (Master's preferred); experience with microservices, REST APIs, authentication, Python/.NET/C#/Angular/SQL and Azure; ML framework experience preferred.
Angular, TypeScript, Python, .NET Framework, C#, SQL, T SQL, Azure, Azure OpenAI, PyTorch, TensorFlow, scikit learn
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Software Engineer
United States or Boston or New York City or Denver
$110k-$125k/yr RemoteFull Time
2+ YOE2+ years professional software engineering experience; full‑stack web development using TypeScript, React, Express, and MongoDB; strong testing, collaboration, and productive use of AI coding tools.
TypeScript, React, Express, MongoDB
3w
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Software Engineer II
Lone Tree or Englewood
$108k-$149k/yr HybridFull Time
2+ YOEBachelor's degree in CS or related,2+ years software development experience,advanced proficiency in C#,knowledge of software engineering principles,ability to work in multi-disciplinary teams.
C#, C, C++, Java
2d
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Software Engineer, Wallet
Menlo Park or New York City or Bellevue or Washington or Denver or Westlake or Chicago or Lake Mary or Clearwater or Gainesville
$166k-$195k/yr HybridFull Time
2+ YOE2+ years of software development experience; backend expertise in Go, Python, or Java; cloud-native architecture, system design, data modeling, and software engineering fundamentals required.
Go, Python, Java, EVM blockchains, smart contracts
3w
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Software Engineer
Fort Collins, Colorado, United States
$120k-$200k/yr OnsiteFull Time
2+ YOEMS in engineering/computer science/physics/math or BS+2 years industry experience; experience with software architecture, team development, version control, and Docker; US citizenship and ability to qualify for DoD clearance.
Python, C++, Docker, Kubernetes, Reinforcement Learning (RL), Large Language Models (LLMs), Computer Vision
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Software Engineer
Aurora, Colorado, United States
$87k-$198k/yr OnsiteFull Time
5+ YOETS/SCI clearance required; HS/GED +10+ yrs or Bachelor’s +5+ yrs software engineering; experience with containerized apps, LLMs, cloud development, Git, and automation/requirements capture; willingness to take a polygraph.
Git, AWS Bedrock, SageMaker, Lambda, API Gateway, DynamoDB, S3, IAM, Kubernetes, Helm, Terraform, Python, Java, LLMs
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Senior Software Engineer
Denver, Colorado, United States
$104k-$164k/yr HybridFull Time
5+ YOEBS in CS/Software/Computer Engineering (or MS), 5–7+ years software development experience, 3+ years embedded systems experience, experience with safety-critical/regulatory software, strong communication and technical documentation skills.
C, C++
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Principal Software Engineer
Warsaw or Fridley or Mounds View or Brooklyn Park or Fort Worth or North Haven or Jacksonville or Boston or Lafayette
$153k-$229k/yr OnsiteFull Time
5+ YOEBachelor's + 7+ years software engineering or advanced degree + 5+ years; experience designing, developing, testing and deploying scalable, reliable software for manufacturing; leadership, mentoring, and cross-functional collaboration.
Ignition, deviseWISE, Azure, AWS, Docker, Kubernetes, Jenkins, Terraform, React, Angular, Node.js, ASP.NET, HTML5, CSS3, WebAPI, Microservices Architecture, Test-Driven Development, Agile & Scrum, CI/CD Pipelines, RESTful API Design, Java, C++, NET, Scala, Lua, Python, SQL
1d
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Software Engineer 5
Aurora, Colorado, United States
$175k-$190k/yr OnsiteFull Time
8+ YOEBachelor's degree in computer science, software engineering, or STEM; 8+ years' software development experience; Java expertise; active TS/SCI or eligible Top Secret clearance; U.S. citizenship required.
Java, AWS, Docker, Kubernetes, Spring Boot, Kafka, Jenkins, JUnit, Jira, Confluence, Eclipse
1w
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Software Development Manager
San Diego or Centennial or Omaha or Irvine or Los Angeles or Edison or Las Vegas
$110k-$140k/yr OnsiteFull Time
8+ YOE3+ MgmtBachelor's degree; 8+ years software engineering with 3+ years engineering leadership; deep .NET and distributed systems expertise; production support, incident management, and OutSystems experience preferred.
.NET, OutSystems, Redis, APIs
1d
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Junior Software Engineer
Englewood or Denver
$75k-$85k/yr OnsiteFull Time
2+ YOERequires 2-4 years of software engineering, Azure cloud development, full-stack development, containers, RESTful APIs, modern programming languages, CI/CD, security, Agile/Scrum, and Azure services experience.
Azure, Kubernetes, Azure Kubernetes Service, React, Angular, .NET Core, Node.js, C#, TypeScript, Git, Azure DevOps, Cosmos DB, Microsoft SQL Server, Azure SQL Database, Web Apps, API Apps, Logic Apps
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