1,340 sr software engineer jobs at 378 companies in Lone Tree, CO

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
2mo
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Sr. Software Engineer
Tucson or Centennial or Chantilly
$190k-$260k/yr OnsiteFull Time
Rincon Research Corporation
Rincon Research Corporation: Designs high-performance digital signal processing solutions for defense missions
15+ YOEProficient in modern software engineering, C++ and Python, 15+ years experience, TS/SCI clearance, US citizenship.
C++, Python, Linux, Gitlab, CI/CD, Docker, Kubernetes, PIP
3mo
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Sr. Software Engineer
Chicago or Englewood
$130k-$194k/yr OnsiteFull Time
Comcast
ComcastNASDAQ: CMCSA: Provides global telecommunications, media content, and entertainment services.
3+ YOE3-5+ years in software development; proficient in C/C++, Go; strong AWS, Kubernetes; distributed systems experience; Bachelor’s degree; willing to work across time zones.
AWS, Kubernetes, Go, C++, Linux, Nginx
1mo
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Sr Principal Software Engineer
Colorado Springs, Colorado, United States
$129k-$194k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
8+ YOEActive DoD Secret clearance; software development experience (Java, C++, JavaScript); microservices; Red Hat Linux; Agile/JIRA/Confluence; EV principles; SW CDRL items; BOE pricing.
Java, C++, JavaScript, Microservices, Red Hat Linux, SEER-SEM, Earned Value (EV), JIRA, Confluence, Software Requirements Specifications, Software Design Descriptions, Software Version Descriptions
2mo
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Sr. Software Engineer
Lakewood, Colorado, United States
$140k/yr OnsiteFull Time
Prime Robotics
Prime Robotics: Designs and manufactures autonomous mobile robots for warehouse automation.
5+ YOE5+ years of software engineering with Java/Spring Boot, ownership of end-to-end projects, mentorship, on-site role in Lakewood, CO.
Java, Spring Boot, APIs, Distributed Systems
1mo
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Software Engineer Sr
Colorado Springs or King of Prussia
$93k-$186k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Active DoD Secret clearance and U.S. citizenship required. Experience in systems/software engineering, software installation/integration, Agile SDLC, Linux/shell scripting, Terraform/Ansible, Kubernetes, and project/schedule coordination using Jira or Microsoft Project.
Terraform, Ansible, Kubernetes, Linux, bash, Python, Jira, Microsoft Project, GitLab
3w
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Sr Software Engineer
Lone Tree or Englewood
$143k-$197k/yr HybridFull Time
Sierra Nevada Corporation
Sierra Nevada Corporation: Develops mission-critical aerospace and national security technology systems.
10+ YOEBachelor's in CS or related, 10+ years software development, expert C++, Java, or Python, active Secret U.S. security clearance, experience with engineering practices, documentation, and mentoring.
C++, Java, Python, C, C#, HTML, Bash, agentic coding tools
2mo
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Sr Software Engineer, Ground Software
Centennial or Louisville
$157k-$215k/yr OnsiteFull Time
Sierra Space
Sierra Space: Develops spacecraft and infrastructure for orbital and space transportation
8+ YOEBachelor's degree or equivalent, 8+ years experience, multiple programming languages, design/architect complex software, Agile/Scrum, leadership, security clearance eligibility.
Python, React, Git, GitHub, GitLab, Bitbucket, FastAPI, Kubernetes, Helm, ArgoCD, JIRA, Confluence, Bash, PowerShell, Ansible, Docker, AWS, MySQL, PostgreSQL, MongoDB
3d
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Sr. Software Engineer (Contract)
Arlington or Denver or Houston or Merritt Island or United States
RemoteContract
Airbus U.S. Space & Defense
Airbus U.S. Space & DefenseEuronext Paris: AIR: Provides satellite, helicopter, and cybersecurity solutions for U.S. defense.
8+ YOEBachelor's in STEM (Masters preferred). 8 years' experience (6 with Masters) designing and developing embedded/aerospace software. Proficiency in C/C++. US citizenship and ability to obtain government security clearance required.
C, C++
3mo
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Sr. Software Development Engineer, Geographic Targeting
New York or Denver
OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
5+ YOE5+ years of professional software development, leadership/architectural experience, and mentoring; BS in computer science or equivalent; full SDLC experience.
Java, Python, C++, Scala, SQL, Big Data tooling, Distributed systems
1d
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Principal / Sr Principal Algorithms Software Engineer
Boulder, Colorado, United States
$155k-$180k/yr OnsiteFull Time
Auria
Auria: Engineering and software solutions for space and defense missions.
5+ YOEActive in-scope U.S. Government Secret clearance required, ability to obtain TS/SCI, 5+ years relevant experience for principal roles (8+ for Sr Principal), Python and C++ development, Linux and command-line utilities, algorithm and state estimation experience, strong statistics and analysis skills, willingness to travel up to 10%.
Python, C++, Linux, grep, awk, cat, head
1mo
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Sr. Software Engineer (ServiceNow)
Denver, Colorado, United States
$100k-$200k/yr OnsiteFull Time
Applied Network Solutions: Providing cybersecurity and network engineering services for government agencies.
16+ YOETS/SCI with poly required; 16 years total experience (or education equivalent); ≥5 years ServiceNow experience; ServiceNow System Administrator certification plus an advanced ServiceNow cert; IAT Level 2; experience with automation (Ansible, Python, Terraform, PowerShell).
ServiceNow, RHEL, Windows, MariaDB, Agile, Scrum, SDLC, Cisco NSO, Ansible, Python, Terraform, PowerShell, JavaScript, Java, Perl, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Juniper, Cisco, COTs, GOTS, ITSM
1mo
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Sr. Software Engineer - Accounting
Santa Barbara or San Diego or Dallas or Atlanta or Chicago or Washington or San Francisco or Denver
$138k-$173k/yr RemoteFull Time
AppFolio
AppFolioNASDAQ: APPF: Provides cloud-based property and investment management software.
5+ YOE5+ years building service-based/SaaS applications, deep full-stack experience (backend + frontend), strong automated testing and Agile experience, mentoring ability, and experience with modern languages and frameworks.
Ruby on Rails, TypeScript, GraphQL, React, AWS, PySpark, Apache Airflow, AWS Glue, Hadoop, Ruby, Java, Python, Scrum, Kanban
1mo
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Sr. Software Engineer - Ignition
Denver, Colorado, United States
HybridFull Time
KPMG
KPMG: Global professional services network providing audit, tax, and advisory.
3+ YOEMinimum 3 years software development experience; familiarity with microservices, RESTful APIs, auth, Python/.NET/C#/Angular, SQL, Microsoft Azure, LLM/AI integration; bachelor's preferred, master's desired.
Angular, TypeScript, Python, .NET, C#, T-SQL, SQL, Microsoft Azure, Microsoft Azure App Services, Microsoft Azure Functions, Microsoft Azure SQL Database, Microsoft Azure DevOps, Microsoft Azure OpenAI, PyTorch, TensorFlow, scikit-learn
4w
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Software Engineer
Arvada, Colorado, United States
$95k-$150k/yr OnsiteFull Time
ALTEN
ALTENEuronext Paris: ATE: Provides engineering and technology consulting services to industrial clients.
6+ YOEBS in Computer Science or Electrical Engineering, 6+ years engineering experience; strong C and embedded programming, RTOS and microcontroller expertise, software design/debugging, GitHub, with serial/CAN/Modbus familiarity a plus.
C, RTOS, Real Time Operating Systems, GitHub, serial, CAN, Modbus, RLL, National Electrical Code (NEC), UL508A
1mo
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Sr Principal Software Engineer
Colorado Springs, Colorado, United States
$129k-$194k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
3+ YOEActive DoD Secret clearance, degree with experience (8 yrs BS / 6 yrs MS / 3 yrs PhD), software development (Java, C++, JavaScript), microservices, SEER-SEM, RedHat Linux, EV, Agile, JIRA/Confluence, proposal and BOE development experience.
Java, C++, JavaScript, SEER-SEM, RedHat Linux, JIRA, Confluence
2w
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Software Engineer Sr
Strongsville or Pittsburgh or Cleveland or Dallas or Phoenix or Denver or Birmingham
$86k-$158k/yr OnsiteFull Time
PNC Financial Services
PNC Financial ServicesNYSE: PNC: Provides banking, lending, and investment services to customers.
3+ YOE3+ years building Microsoft 365 solutions with SharePoint Online, SPFx, Power Platform, PowerShell, JavaScript/TypeScript, REST/Microsoft Graph, and Git; Bachelor's degree typical.
SharePoint Online, SharePoint Framework (SPFx), Power Platform, PowerShell, JavaScript, TypeScript, REST APIs, Microsoft Graph, JSON, HTML, CSS, Git, Microsoft 365, Power Apps, Power Automate
1w
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Software Engineer, Sr. Staff - Power and Limits Management
Denver, Colorado, United States
$146k-$220k/yr OnsiteFull Time
Qualcomm
QualcommNASDAQ: QCOM: Designs and manufactures semiconductors and wireless telecommunications products.
6+ YOEBachelor's in Engineering/CS/IS with 6+ years (or Master's 5+, PhD 4+) software engineering experience. Proficiency in C/C++, Java, Python; embedded/RTOS, ARM architecture, debugging with JTAG, compilers/linkers, version control.
C, C++, Java, Python, JTAG, Compilers, Linkers, Perforce, Git, Android, ARM
2w
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Software Engineer
Fairfax or Austin or Melbourne or Denver
$82k-$172k/yr HybridFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOEU.S. citizen able to obtain DoD clearance, bachelor’s in STEM or equivalent, 5+ years software engineering experience, experience with distributed systems, CI/CD, DevSecOps, and AI-assisted development tools.
Claude Code, AI agents, CI/CD
2w
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Software Engineer
Fairfax or Melbourne or Austin or Denver
$99k-$207k/yr HybridFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOEU.S. citizen able to obtain DoD clearance, Bachelor's in STEM (or equivalent), 5+ years software engineering, experience with distributed systems, CI/CD and DevSecOps, and use of AI-assisted tools like Claude Code.
Claude Code, AI agents, CI/CD
1mo
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Senior Software Engineer
Denver, Colorado, United States
$104k-$164k/yr HybridFull Time
CONMED
CONMEDNYSE: CNMD: Manufacturer of surgical instruments and patient monitoring medical devices.
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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