236 senior software engineer jobs at 79 companies in Wellington, CO
1mo
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Senior Software Engineer
Boulder or Austin
$140k-$185k/yr HybridFull Time
Atom Computing: Building scalable quantum computers using arrays of neutral atoms.
5+ YOEBachelor's degree in CS/CE or related, 5+ years software engineering experience, proficiency with Python and SQL, Linux and Git experience, familiarity with automated testing and CI/CD practices, willingness to learn atomic/quantum concepts.
Python, Rust, TypeScript, React, SQL, Linux, Git, Terraform, Azure, AWS, GCP, C++
5d
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Senior Software Engineer
Boulder or Durham or Texas or Durham
OnsiteFull Time
5+ YOEMaster’s degree or equivalent experience; 5+ years developing software; proficiency in at least two modern languages, preferably Python and JavaScript/TypeScript; cloud, data, and software architecture expertise.
Python, JavaScript, TypeScript, Node.js, React, Next.js, Flask, Django, Streamlit, Amazon Redshift, Amazon Redshift Spectrum, Amazon RDS, Pandas, NumPy, Airbyte, dbt, pytest, Playwright, GitHub Actions, Apache Airflow, AWS Glue, REST, FastAPI, Scrum
3mo
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Senior Embedded Software Engineer
Berthoud, Colorado, United States
$125k-$155k/yr OnsiteFull Time
4+ YOEDesign, develop, and maintain embedded software for avionics; strong C/C++ on ARM/SoC/FPGA; hardware interface, debugging tools; Git; team collaboration.
C/C++, ARM, SoC, FPGA, HDL, Git, Oscilloscope, Logic Analyzer, Python, MATLAB
1d
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Senior Software Engineer (Portfolio)
Boulder, Colorado, United States
$150k-$260k/yr OnsiteFull Time
The posting seeks experienced software engineers to help shape an AI platform for sports intelligence and contribute to the growth of a portfolio company.
2w
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Senior Software Engineer
Loveland, Colorado, United States
$125k-$145k/yr OnsiteFull Time
5+ YOE5+ years software development experience, strong C++ and embedded Linux skills, DevOps with Docker and GitLab CI, AWS/Azure experience, automated testing, bachelor's degree or equivalent preferred.
C++, Embedded Linux, Docker, GitLab CI, AWS, Azure, Qt, Yocto, LIMS, Electronic Health Records (EHR)
6d
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Senior Software Engineer, C++
Broomfield or Fort Collins
$190k-$252k/yr OnsiteFull Time
8+ YOERequires 8 years of relevant experience, a bachelor's degree or equivalent, C++ and Python, mathematics, software engineering fundamentals, and ability to obtain a U.S. Top Secret SCI clearance.
C++, Python, SQL, NoSQL, JavaScript, React, Node.js, MATLAB, Simulink
2d
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Senior Software Engineer
Portland or North Dakota or Montana or Maine or Ohio or Nebraska or Phoenix or Louisiana or Texas or Nevada or Georgia or Tampa or Mississippi or Colorado or Denver or Wyoming or Wisconsin or West Virginia or Vermont or Richardson or Arkansas or Dallas or South Dakota or Pennsylvania or Michigan or Indiana or Idaho or Arizona or Plano or New Mexico or New Hampshire or Kentucky or Alabama or Philadelphia or South Carolina or Austin or Illinois or Atlanta or Missouri or Iowa or Tennessee or Boulder or North Carolina or Minnesota or Kansas or Houston or Alaska or Chicago or Rhode Island or Washington or Virginia or Utah or Oregon or Florida or Miami or Oklahoma
$139k-$204k/yr RemoteFull Time
5+ YOEBachelor's degree with 5+ years, master's with 3+ years, or PhD with 1+ year; production software development, testing, troubleshooting, code reviews, technical design, scalability, reliability, and security experience.
AI/ML, generative AI, LLMs, AI agents
2mo
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Senior Software Engineer
Boulder, Colorado, United States
$140k-$185k/yr HybridFull Time
3+ YOEDesign and build API integrations and data pipelines; experience with log collectors; cloud platforms; Go/Kotlin/TypeScript; 3–6+ years in relevant roles.
AWS, GCP, Azure, Docker, Kubernetes, GitHub Actions, Fluentd, Fluent Bit, Vector, Logstash, Elastic Beats, OpenTelemetry Collector, rsyslog, syslog-ng, Elasticsearch, Kibana, Kafka, Terraform, Go, Kotlin, TypeScript, JSON, CEF, Syslog
1mo
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Senior Software Engineer, Team Lead
Longmont, Colorado, United States
$119k-$206k/yr HybridFull Time
8+ YOE2+ Mgmt8+ years software engineering experience with 2+ years technical leadership; strong OOP, SQL, REST; experience designing architecture, mentoring engineers, and working with Linux/AWS; Golang/Python, Docker, MQTT/AWS IoT preferred.
SQL, REST, Golang, Python, Linux, AWS, Docker, AWS IoT, MQTT, 3D printers
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Senior Software Engineer, Team Lead
Longmont, Colorado, United States
$119k-$206k/yr HybridFull Time
8+ YOE2+ MgmtBachelor's in CS or equivalent, 8+ years software engineering with 2+ years technical leadership; expertise in OOP, SQL, REST; strong communication; experience with Golang/Python, Linux, AWS, Docker preferred.
SQL, REST, Golang, Python, Linux, AWS, Docker, AWS IoT, MQTT
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Senior Software Engineer, Valence
Louisville, Colorado, United States
$120k-$130k/yr OnsiteFull Time
5+ YOE5+ years medical device software development experience, C++ on Linux, familiarity with imaging (DICOM, CT/MRI), image toolkits (VTK/ITK/OpenCV), EM/Dev tools (Git, Azure DevOps, Jira), strong communication and design participation.
C++, Linux, Qt, VTK, ITK, OpenCV, DICOM, Git, Azure DevOps, Jira, IEC 62304
1mo
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Senior Cybersecurity Systems Software Engineer
Colorado Springs or Durham or Spring or Fort Collins or Andover
$162k-$371k/yr HybridFull Time
10+ YOEBachelor's or Master's in CS/Engineering/Information Systems; 10+ years in cybersecurity engineering, architecture, and software development; expertise in cybersecurity standards, solutions, and compliance; strong communication and leadership skills.
NIST SP 800-53, DISA SRG/STIG, Common Criteria, Post-Quantum Cryptography (PQC), EU Cyber Resilience Act (EU CRA), 802.1 ar Device Identities, cybersecurity Agentic AI, FIPS, TLS/SSH, Cryptography
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Senior Cybersecurity Systems Software Engineer
Colorado Springs or Durham or Spring or Fort Collins or Andover
$170k-$323k/yr HybridFull Time
10+ YOEBachelor’s degree in CS/Engineering/Info Systems, 10+ years cybersecurity engineering and software development, experience with security architectures, standards and certifications, strong communication and executive influence skills.
Post-Quantum Cryptography (PQC), EU Cyber Resilience Act (EU CRA), 802.1AR Device Identities, NIST SP 800-53, DISA SRG/STIG, Common Criteria, Agentic AI, FIPS, TLS, SSH, Cryptography
5d
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Sr Software Engineer
Fort Collins or Loveland or United States
$100k-$140k/yr OnsiteFull Time
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
2w
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Senior/Staff Software Engineer, Data Platform
Boulder or New York City
$155k-$200k/yr HybridFull Time
5+ YOE5+ years software engineering; expert Scala and Python; production Spark/Databricks experience; Airflow/MWAA orchestration; AWS and Terraform experience; strong data pipeline, modeling, governance, and debugging skills.
Python, Redpanda, Kafka, Databricks, Spark, AWS, S3, Terraform, Datadog, GitHub, Scala, Airflow, MWAA, GCP, Azure, AWS CloudFormation
2w
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Senior Java Software Engineer
Boulder, Colorado, United States
$131k-$167k/yr OnsiteFull Time
5+ YOEBachelor's in CS or related plus 5+ years experience or equivalent; strong Java and Spring proficiency; ability to design software systems, research algorithms, decompose requirements, and lead complex projects.
Java, Spring
1mo
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Senior Cybersecurity Systems Software Engineer
Colorado Springs or Durham or Spring or Fort Collins or Andover
$162k-$371k/yr HybridFull Time
10+ YOEBachelor's or Master's in CS/Engineering/IS, 10+ years cybersecurity engineering/architecture and software development experience, strong knowledge of cybersecurity standards and technologies, ability to design solutions, lead certification/compliance, and mentor teams.
NIST SP 800-53, DISA SRG/STIG, Common Criteria, PQC, EU CRA, 802.1ar, Agentic AI, FIPS, TLS, SSH, Cryptography
1mo
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Senior Embedded Software Engineer
Lafayette, Colorado, United States
$117k-$175k/yr HybridFull Time
3+ YOE5+ years experience (Bachelors) or 3+ years (Masters) in embedded software, strong C/C++, Embedded Linux, USB/UART/I2C/SPI, hardware integration, debugging, and regulated development experience.
C, C++, Embedded Linux, USB, UART, I2C, SPI, Qt, LVGL, Python, shell
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Software Engineer III
Lone Tree or Sparks or Longmont or Hagerstown or Herndon or Englewood
$108k-$149k/yr HybridFull Time
6+ YOEBachelor's degree in CS/Software Engineering or related,6+ years software development experience,proficiency in C++,Java,Python,experience with RTOS/embedded systems preferred,excellent communication and critical thinking.
C++, Java, Python, C, C#, HTML, Bash
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C++ Senior Staff/Senior Software Engineer
Boulder, Colorado, United States
$125k-$162k/yr OnsiteFull Time
5+ YOEBachelor's in CS/physical science/math/engineering, 5+ years C++ experience, 3+ years Linux, strong data structures/algorithms and performance optimization, ability to work onsite in Boulder and obtain DoD security clearance.
C++ 17, C++ 20, C++ 23, Linux, CUDA, OpenCL, Python, Rust, Java, MATLAB, Jira, Confluence, Agile, Scrum
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