30 principal software engineer jobs at 13 companies in Wellington, CO
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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
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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
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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
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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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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
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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
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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.
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Senior Principal Algorithms Software Engineer
Boulder, Colorado, United States
$132k-$198k/yr OnsiteFull Time
5+ YOEActive U.S. Secret clearance required; experience with Python and/or C++, Linux, algorithm design and state estimation, statistical analysis, and 5+ years software/algorithm development experience preferred.
Python, C++, Linux, grep, awk, cat, head
2w
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Sr. Principal Software Engineer - Boulder, CO
Boulder, Colorado, United States
$149k-$167k/yr OnsiteFull Time
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
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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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Principal BIOS Embedded Software Engineer
Spring or Fort Collins or Chippewa Falls
$152k-$349k/yr OnsiteFull Time
15+ YOEBachelor's or master's degree in a computing field, 15+ years of embedded software experience, 10+ years of BIOS development, and expertise in C, C++, UEFI, Linux, and firmware debugging.
C, C++, UEFI, Linux, ACPI, SMBIOS, IPMI, Redfish
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Principal BIOS Embedded Software Engineer
Spring or Fort Collins or Chippewa Falls
$152k-$349k/yr OnsiteFull Time
15+ YOEBachelor's or master's degree in a relevant computing field; 15+ years embedded software and 10+ years BIOS development experience; expertise in C, C++, BIOS, UEFI, Linux, and firmware debugging.
C, C++, BIOS, UEFI, Linux, ACPI, SMBIOS, IPMI, Redfish
2mo
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Principal CPU Software Architect
Santa Clara or Austin or Durham or Boulder or Redmond
$272k-$489k/yr OnsiteFull Time
15+ YOEMS/PhD in computer or electrical engineering (or equivalent experience), 15+ years software/architecture experience with CPUs/SoCs, deep knowledge of OS/driver stacks (Linux), strong C skills, excellent communication and analytical abilities.
Linux, C, ARM, RISC-V, x86
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Principal CPU Software Architect
Santa Clara or Austin or Durham or Boulder or Redmond
$272k-$489k/yr OnsiteFull Time
15+ YOEMS/PhD or equivalent experience, 15+ years software/architecture experience with CPUs/SoCs, deep knowledge of OS/driver stacks (Linux), strong C development skills, excellent communication and analytical abilities.
C, Linux, ARM, RISC-V, x86, ARM Confidential Compute
1mo
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Morpheus Software Principal UI/UX engineer
Ft. Collins or Houston or Durham
$152k-$349k/yr HybridFull Time
10+ YOEDeep front-end expertise with React and TypeScript, strong UX and design sense, 10+ years building production web apps, bachelor\u0002s degree or equivalent, experience with cloud platforms and design systems.
React, TypeScript, HTML, CSS, RESTful APIs, AWS, Microsoft Azure, Google Cloud
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Principal Radar Systems Engineer
Boulder, Colorado, United States
$190k-$235k/yr OnsiteFull Time
8+ YOEBachelors or equivalent experience,8+ years integrating hardware/firmware/software for sensors or real-time systems; radar RF, beamforming, DSP, digitization, requirement/test authoring, MATLAB/Python/Linux proficiency, strong communication and leadership.
MATLAB, Python, Linux, SQL, Jira, DevSecOps, MOSA
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Systems Engineer II
Lafayette, Colorado, United States
$89k-$133k/yr OnsiteFull Time
2+ YOEBachelor's with 2 years or Master's with 0 years, systems engineering experience, user evaluations, software/hardware system design, risk management, and project leadership; U.S. work authorization required for non-principal roles.
Polarion, Miro, Figma, CAD
1mo
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Principal AI/ML Engineer, Validation Strategy & Test Architecture
Longmont or Boise
$134k-$247k/yr OnsiteFull Time
8+ YOE8+ years industry experience with a Bachelor's in a technical field; 7+ years software development using Python; strong ML fundamentals, model evaluation, feature engineering, hands-on with scikit-learn/TensorFlow/PyTorch, production deployment experience.
Python, scikit-learn, TensorFlow, PyTorch, Large Language Models (LLMs)
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Principal AI/ML Engineer, Validation Strategy & Test Architecture
Longmont or Boise
$134k-$247k/yr OnsiteFull Time
8+ YOE8+ years industry experience with a Bachelor's in a technical field; 7+ years software development using Python; hands-on ML experience with scikit-learn, TensorFlow, or PyTorch; experience deploying and maintaining production ML models.
Python, scikit-learn, TensorFlow, PyTorch, Large Language Models (LLMs), MLOps, CI/CD
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