1,147 sr software engineer jobs at 376 companies in Lakewood, CO

3mo
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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
5d
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Sr Software Engineer
Fort Collins or Loveland or United States
$100k-$140k/yr OnsiteFull Time
Advanced Energy
Advanced EnergyNasdaq: AEIS: Provides precision power conversion and control technology solutions.
5+ YOEBachelor's degree and 5+ years, or master's degree and 3+ years, in DevOps, software engineering, test automation, embedded software, or related engineering tools; experience with CI/CD, Git, Python, databases, and embedded systems.
Python, Bash, PowerShell, Git, Jira, Confluence, CMake, Ninja, GNU Make, GCC/G++, pytest, Robot Framework, GoogleTest, CTest, Docker, Microsoft Copilot, GitHub Copilot, SQL, Linux, Windows, CI/CD, RTOS, HIL
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
6d
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Sr Software Engineer
Lafayette, Colorado, United States
$125k-$187k/yr OnsiteFull Time
Medtronic
MedtronicNYSE: MDT: Developing and manufacturing medical technologies and therapies globally.
5+ YOEBachelor's degree in computer science, computer engineering, or equivalent; 5+ years with C++, C#, and Java; Linux, Windows, cloud platforms, software development, and regulated medical-device experience.
C++, C#, Java, Linux, Microsoft Windows, cloud platforms
6d
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Sr Software Engineer
Lafayette, Colorado, United States
$125k-$187k/yr OnsiteFull Time
Medtronic
MedtronicNew York Stock Exchange: MDT: Develops and manufactures medical devices and digital health solutions.
5+ YOEBachelor's degree in computer science, computer engineering, or equivalent; 5+ years with C++, C#, and Java; Linux, Windows, cloud platforms, OOA&D, regulated software, and change management experience.
C++, C#, Java, Linux, Windows, cloud platforms, OOA&D, AI
2d
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Software Engineer Sr - E3
Littleton, Colorado, United States
$110k-$205k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures advanced aerospace, defense, and security systems.
Hands-on Java and/or TypeScript/Angular software engineering experience. US citizenship and eligibility for a government Top Secret clearance with special access are required.
Java, TypeScript, Angular, Kubernetes, Docker, Git, Jenkins, Puppet, SAFe, JEE, Spring, REST, SOAP, JSON, XML, Jira, Confluence
2w
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Sr. Software Engineer
Denver, Colorado, United States
$95k-$135k/yr HybridFull Time
Vertafore
VertaforeNYSE: ROP: Provides cloud-based software solutions for the insurance industry.
5+ YOERequires 5–7 years of C# and ASP.NET experience, advanced MS SQL skills, enterprise software design, security practices, automated testing, CI/CD pipelines, AI development tools, and mentoring experience.
C#, ASP.NET, MS SQL, GitHub Copilot, Claude, ChatGPT, xUnit, NUnit, Selenium, Playwright, GitLab, TDD, BDD, CI/CD, LLM
2mo
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Sr. Principal Cyber Software Engineer
Annapolis Junction or San Antonio or Aurora or Carey
$149k-$235k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
8+ YOEBachelor's degree in computer science, information systems, or network engineering with 8+ years experience; strong C/C++, Java, Python; CNO tools; Windows/.NET and Unix/Linux development.
C, C++, Java, Perl, Python, Visual Studio, NET, Unix/Linux, Makefiles
3mo
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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
3w
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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++
2d
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Sr Embedded Software Developer
Denver or Littleton
$182k-$254k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
8+ YOEBachelor's degree in a relevant engineering or computer science field, 8+ years of embedded software experience, C/C++, RTOS, hardware interfaces, debugging, secure boot, and Zero Trust knowledge.
C, C++, Real-Time Operating System (RTOS), SPI, I2C, UART, PCIe, FPGA, JTAG, NIST SP 800-207, Zero Trust Architecture (ZTA), Secure Boot, NIST SP 800-53, Risk Management Framework (RMF), HAIPE, TACLANE, KG-series, FIPS 140-2, FIPS 140-3, TPM, HSM, PUF, PKI
3w
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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
2mo
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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
2mo
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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
2w
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Sr. Principal Software Engineer - Boulder, CO
Boulder, Colorado, United States
$149k-$167k/yr OnsiteFull Time
Davidson Technologies
Davidson Technologies: Delivers engineering and technology solutions for national security missions.
9+ YOEExperience in Linux and software development with Python and C/C++; strong algorithm, state estimation, and data analysis skills; ability to obtain TS/SCI; willingness to travel up to 10%.
Python, C++, C, Java, Linux, grep, awk, cat, head, Git, Conan, CMake, Nexus, Bash, Jira, Confluence, Bitbucket, Atlassian Tool Suite
1mo
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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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Sr. Software Development Engineer, PEET
Denver, Colorado, United States
$168k-$227k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
5+ YOETS/SCI with polygraph required; 5+ years professional software development and architecture experience, bachelor's degree, programming and system design skills, on-call responsibilities, mentoring experience.
Grafana, Prometheus, Wickr, Kinesis Video Streams
1mo
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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
1mo
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Sr. Software Engineer - Full Stack - UI
Denver or Broomfield
$90k-$120k/yr HybridFull Time
Swisslog Healthcare
Swisslog Healthcare: Provides pharmacy and hospital transport automation solutions.
7+ YOEBachelor's or master's degree in computer science or equivalent experience; 7+ years software development, 4+ years front-end/UI development, full-stack delivery, Linux and Windows, problem-solving, and communication skills.
TypeScript, Angular, React, SignalR, Vue, CSS, Node.js, .NET Core, C#, Java, Spring Boot, REST, GraphQL, Kafka, RabbitMQ, OAuth2, OIDC, Entra ID, Azure, AWS, GCP, Docker, Kubernetes, GitHub Actions, Azure DevOps, Terraform, Bicep, Microsoft SQL Server, Web Components, Progressive Web Apps (PWA), Next.js, Angular Universal, OWASP, Linux, Windows
2mo
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Software Engineer
Aurora, Colorado, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
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