120 principal software engineer jobs at 52 companies in Lyons, CO
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Principal Software Engineer
Denver, Colorado, United States
$225k-$270k/yr HybridFull Time
12+ YOEBachelor's in CS or equivalent; 12+ years software engineering; 5+ years in identity/security; hands-on leadership; strong Java; CIAM expertise.
Java, PostgreSQL, MySQL, OAuth, OpenID Connect, SAML, SCIM
3mo
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Principal Software Engineer
Boulder or New York City
$200k-$240k/yr HybridFull Time
10+ YOE10+ years software engineering; 5+ years adtech infrastructure; backend focus; experience with AI tooling; distributed systems; OpenRTB knowledge.
Java, Kafka, Redpanda, AWS, Databricks, Datadog, ONYX
2mo
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Software Engineer Principal
Dallas or Strongsville or Phoenix or Denver or Pittsburgh
$65k-$166k/yr OnsiteFull Time
5+ YOELead enterprise platform engineering; strong Linux/Windows, PowerShell and Python; drift management; mentor team.
Linux, Windows Server, PowerShell, Python, Elastic, Dynatrace, AWS, Azure
2mo
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Principal Software Engineer
Denver, Colorado, United States
$190k-$245k/yr OnsiteFull Time
10+ YOEExpert-level C++ development; architect large-scale cross-platform systems; lead engineering initiatives; strong communication.
C++, Qt, REST, JSON, QML, QtWidgets, Git, CMake, QMake
1mo
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Principal Software Engineer
Golden, Colorado, United States
$195k-$250k/yr HybridFull Time
8+ YOE8+ years full-stack engineering experience, 5+ years contributing to architecture, AWS/cloud experience, Java Spring/Python or Rust, SQL, ReactJS, REST/RPC, experience with resilient distributed systems and mentoring skills.
Anthropic Claude, Java Spring, Python, Rust, SQL, ReactJS, REST, RPC, AWS, CI/CD
3d
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Engineer Principal – Ground/Application Software
Aurora, Colorado, United States
$118k-$201k/yr OnsiteFull Time
Bachelor's degree in engineering or related technical field plus 6+ years' experience; active TS/SCI clearance, U.S. citizenship, object-oriented design, software lifecycle, UML, and listed development technologies required.
CI/CD, C, C++, Rust, Python, Ruby, AWS, AWS Lambda, Docker, Kubernetes, Spring, Jersey, Flask, CherryPy, Ruby on Rails, JavaScript, Angular, React, JavaFX, Qt, SQL, NoSQL, JPA/ORM, UML, Azure, MQTT, AMQP, Kafka, Vue, Nginx, Apache, Postgres, MATLAB, Cameo, PlantUML, DevSecOps, gtest, ctest, Agile
1mo
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Senior Principal Engineer – Embedded Software
Broomfield or Westminster or Boulder
$133k-$226k/yr OnsiteFull Time
8+ YOEBS in engineering or related field + 8+ years experience; U.S. person required and must be willing/eligible to obtain Top Secret/SCI; experience with embedded Linux, C/C++, Rust, Python, CI/CD, and embedded software lifecycle.
CI/CD, Containerization, C/C++, Rust, Python, Ruby, Embedded Linux, FPGAs, MQTT, ZeroMQ, PetaLinux, Yocto, Device tree, UML, Protobuf, FlatBuffers, MATLAB, Cameo, PlantUML, DevSecOps, Yocto Project, OpenEmbedded, gtest, ctest, hardware-in-the-loop
2w
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Principal / Sr Principal Algorithms Software Engineer
Boulder, Colorado, United States
$155k-$180k/yr OnsiteFull Time
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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Senior Principal Engineer – Ground/Application Software
Broomfield or Westminster or Boulder or Colorado or United States
$133k-$226k/yr OnsiteFull Time
8+ YOEBS in engineering +8 years (or higher degree substitution), active Top Secret/SCI, experience in embedded/satellite software, CI/CD, containerization, cloud (AWS), C/C++, Python, UML, and formal software practices.
CI/CD, Containerization, C/C++, Rust, Python, Ruby, AWS, Lambda, Docker, Kubernetes, Spring, Jersey, Flask, CherryPy, Ruby on Rails, JavaScript, Angular, React, JavaFX, Qt, SQL, NoSQL, JPA/ORM, UML, Cameo, PlantUML, MATLAB, gtest, ctest, MQTT, AMQP, Kafka, Nginx, Apache, Postgres, DevSecOps
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Principal Software Engineer
Lone Tree or Plano or Englewood
$165k-$227k/yr HybridFull Time
14+ YOEBachelor's in CS or related (Master's preferred), 14+ years software development experience, expert in C++, Java, or Python, extensive leadership experience, active Secret clearance required with ability to obtain Top Secret/TS-SCI.
C++, Java, Python, C, C#, HTML, Bash, RTOS, Open Mission System, Universal Command and Control Interface, Agile, Scrum, Waterfall, Spiral
1mo
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Principal Software Engineer (Onsite)
Aurora, Colorado, United States
$108k-$205k/yr OnsiteFull Time
8+ YOEActive TS/SCI clearance, U.S. citizenship, typically 8+ years software engineering experience (or 5+ with advanced degree), experience leading Agile teams, proficiency with AWS and modern microservice/DevSecOps practices.
AWS, Ruby, SDS, SEAM, Agile, SAFe, LeSS, Scrum@Scale
4d
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Principal Software Engineer (Autonomy)
Palmdale or Fort Worth or Atlanta or Denver or Huntsville
$160k-$200k/yr OnsiteFull Time
8+ YOEBachelor's degree in computer engineering, computer science, or related discipline; 8+ years of software development; C, C++, Java, Python, Bash, embedded systems, Git, Linux, Windows, and active Secret clearance required.
C, C++, Java, Python, Bash, Git, Linux, Windows, Confluence, JIRA, Bitbucket, ArduPilot, PX4, MAVLink, Docker, CI/CD
1mo
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Principal Engineer-Software
Englewood, Colorado, United States
$172k/yr OnsiteFull Time
6+ YOEBachelor's in Computer/Mechanical Engineering or related and 6+ years experience; 3+ years with scripting/programming, automation frameworks, load testing, and defect tracking; experience with EM/monitoring tools and CI/CD.
Javascript, Typescript, Java, Python, WebdriverIO, Selenium, Appium, Jmeter, Load Runner, Jira, New relic, Dynatrace, Splunk
1mo
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Principal Software Engineer
Boulder or Austin
$180k-$220k/yr OnsiteFull Time
Atom Computing: Building scalable quantum computers using arrays of neutral atoms.
10+ YOE10+ years engineering experience, Bachelor's in CS/CE, proven architecture leadership, proficiency with Python and SQL, Linux experience, familiarity with Git and automated testing, and willingness to learn atomic/optical/quantum concepts.
Python, Rust, TypeScript, React, SQL, Linux, Git, Terraform, Azure, AWS, GCP
2w
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Associate Principal Software Engineer
Louisville or Covington
$159k-$254k/yr OnsiteFull Time
10+ YOE10+ years embedded/medical device software experience, BS/MS in related discipline, strong software architecture, cybersecurity, systems thinking, and cross-functional influence skills.
C, C++, RTOS, embedded Linux, Bluetooth, BLE, Wi-Fi, Ethernet, APIs, CI/CD, static analysis, simulator, hardware-in-the-loop, software-in-the-loop, IEC 62304
3w
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Principal Software Engineer, Developer Platforms
Boulder, Colorado, United States
$220k-$297k/yr RemoteFull Time
8+ YOE8+ years software engineering experience, 3+ years in developer platforms/CI/CD or related, experience with automated testing, release pipelines, distributed systems, and a bachelor’s degree or equivalent.
2mo
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Principal Software Engineer - Media Ads Service
Nashville or Austin or Broomfield or United States
$100k-$223k/yr OnsiteFull Time
8+ YOE8+ years in distributed systems or video streaming; experience with advertising systems; strong Java/Go/C++; networking; high-scale, low-latency systems; BS or MS in CS or related field.
Java, Go, C++, Networking protocols, Distributed systems, Video streaming
2mo
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Sr. Principal Cyber Software Engineer
Annapolis Junction or San Antonio or Aurora or Carey
$149k-$235k/yr OnsiteFull Time
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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Principal Engineer Software - Storage (Chronosphere)
Burbank or Denver or Chicago or Austin or Jacksonville or Hartford or Bridgeport or Seattle or Boston or New York City
$147k-$238k/yr RemoteAll Commitments Available
Design and build scalable backend services for high-volume telemetry data; strong backend skills; cloud infra experience; API design; mentorship.
Go, Java, Python, Rust, AWS, GCP, Azure, REST, gRPC, GraphQL
2mo
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Principal Cyber Software Engineer
Annapolis Junction or San Diego or Aurora or Raleigh or San Antonio
$120k-$188k/yr OnsiteFull Time
0+ YOERequires active TS/SCI with polygraph, Bachelor's (4 yrs)/Masters (2 yrs)/PhD (0 yrs) in CS/IS/Network Engineering, experience with Python or C/C++, troubleshooting and debugging, and software development across Windows/UNIX/embedded environments.
Assembly, C, C++, Java, Perl, Python, Microsoft Visual Studio, Microsoft .NET, UNIX, make
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