19 software engineer ruby jobs at 3 companies in Fort Collins, 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
2w
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Staff Software Engineer
Broomfield, Colorado, United States
$145k-$185k/yr HybridFull Time
Recurly
Recurly: Automates subscription billing and management for recurring revenue businesses.
10+ YOE10+ years full‑stack software engineering experience; deep Ruby on Rails and Vue.js expertise; API and MySQL proficiency; proven technical leadership and mentoring; experience with AI-assisted development tools.
Ruby on Rails, ActiveRecord, Vue.js, MySQL, GitHub Copilot, Cursor, Claude Code, Go (Golang), Node.js, Anthropic, OpenAI, AWS, OpenSearch, Redis, Kafka, Docker, CI/CD
2mo
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Engineer Principal - Software - Payload Test
Broomfield, Colorado, United States
$118k-$201k/yr HybridFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
6+ YOEBachelor's in engineering or related plus 6+ years experience, active TS/SCI clearance, strong software engineering skills (Windows, OOP), coding and test experience; Ruby, Python, RDBMS, LabVIEW desirable; agile, CI, unit testing, MS Office proficiency.
Ruby, Python, RDBMS, LabVIEW, Microsoft Office, Windows
2mo
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Engineer II – Ground/Application Software
Broomfield or Westminster or Boulder or Colorado or United States
$79k-$135k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
2+ YOEBS in engineering +2 years experience, current Secret clearance with ability to obtain TS/SCI, experience with cloud, containerization, C/C++, Rust, Python, Ruby, web frameworks, databases, UML, and formal software development practices.
CI/CD, Containerization, AWS, Lambda, Docker, Kubernetes, Spring, Jersey, Flask, CherryPy, Ruby on Rails, JavaScript, Angular, React, JavaFX, Python, Qt, C++, Java, Rust, Ruby, SQL, NoSQL, JPA/ORM, PlantUML, Cameo, MATLAB, gtest, ctest, MQTT, AMQP, Kafka, Nginx, Apache, Postgres
1mo
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Engineer Principal – Ground/Application Software
Broomfield or Westminster or Boulder or Colorado or United States
$118k-$201k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
6+ YOEBS in Engineering +6 years experience, active Top Secret/SCI clearance required, experience with embedded satellite software, C/C++, Rust, Python, cloud (AWS), Docker/Kubernetes, and formal software development 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, Java, MQTT, AMQP, Kafka, Vue, Nginx, Apache, Postgres, Cameo, PlantUML, gtest, ctest, MATLAB
3mo
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Engineer II – Ground/Application Software
Broomfield or Westminster or Boulder or Colorado or United States
$79k-$135k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
2+ YOEBS in Engineering (or related) +2 years experience (advanced degree may substitute), ability to obtain TS/SCI, experience with cloud, web, front-end/back-end, Java/C++/Python, UML, and formal software practices.
AWS, Lambda, Docker, Kubernetes, Spring, Jersey, Flask, CherryPy, Ruby on Rails, JavaScript, Angular, React, JavaFX, Python, Qt, SQL, NoSQL, JPA, ORM, Java, C++, UML, Cameo, PlantUML, MQTT, AMQP, Kafka, Nginx, Apache, Postgres, gtest, ctest
2mo
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Engineer II – Ground/Application Software
Broomfield or Westminster or Boulder or Colorado or United States
$79k-$135k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
2+ YOEBS in engineering or related field plus 2+ years' experience, active Secret clearance required and ability to obtain TS/SCI, experience with cloud, containerization, web and back-end technologies, OOP, UML, and formal software development 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, Java, Cameo, PlantUML, MATLAB, gtest, ctest, MQTT, AMQP, Kafka, Nginx, Apache, Postgres
3mo
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HPE Morpheus Enterprise - Principal Software Engineer
Ft. Collins or Durham or Houston
$152k-$349k/yr HybridFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Providing global edge-to-cloud infrastructure and IT solutions for businesses.
10+ YOE10+ years of backend software development experience; proficient in Java, Groovy, Ruby, or Python; Linux experience; RESTful APIs; SQL/NoSQL databases; CI/CD; virtualization; cloud (AWS/Azure/GCP); build tools (Maven/Gradle); Git; strong communication.
Java, Groovy, Ruby, Python, Linux, RESTful APIs, SQL, NoSQL, Maven, Gradle, Git, CI/CD, AWS, Azure, Google Cloud, virtualization
1mo
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Engineer II – Software Integration
Broomfield or Westminster or Boulder or Colorado or United States
$79k-$135k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
2+ YOEBS in Engineering (or equivalent) plus 2+ years related experience; TS/SCI clearance required; experience with C/C++, Python, Embedded Linux, test automation, containerization, FPGA interaction, and software lifecycle.
C, C++, Python, Ruby, Embedded Linux, Linux, gtest, Docker, Kubernetes, ContainerD, COSMOS, FPGA, MATLAB, Jira, Confluence, Cameo, PlantUML, UML
6d
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Engineer II – Embedded Software
Westminster or Boulder
$79k-$135k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA.: Produces advanced defense, aerospace, and information security systems.
2+ YOEBS in engineering or related field plus 2+ years experience, ability to obtain Top Secret/SCI (current Secret required), experience with Rust/C/C++, Python, Embedded Linux, CI/CD, containerization, and embedded software lifecycle.
CI/CD, Containerization, C/C++, Rust, Python, Ruby, Embedded Linux, MQTT, ZeroMQ, PetaLinux, Yocto, Protobuf, FlatBuffers, MATLAB, Cameo, PlantUML, Yocto Project, OpenEmbedded, gtest, ctest
1mo
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Engineer Principal – Embedded Software
Boulder or Westminster or Broomfield or Colorado or United States
$118k-$201k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
6+ YOEBS in engineering +6 years (or equivalent), active/top secret SCI clearance, experience with Rust, C/C++, Python, Embedded Linux, Yocto/PetaLinux, device tree, MQTT/ZeroMQ, UML, CI/CD and formal software development practices.
CI/CD, Containerization, C/C++, Rust, Python, Ruby, Embedded Linux, Linux, FPGAs, MQTT, ZeroMQ, PetaLinux, Yocto, Yocto Project, OpenEmbedded, Device tree, UML, Protobuf, FlatBuffers, MATLAB, Cameo, PlantUML, DevSecOps, gtest, ctest
3mo
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HPE Morpheus Enterprise - Principal Software Engineer
Fort Collins or Durham or Houston
$160k-$349k/yr HybridFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides global edge-to-cloud technology solutions and IT infrastructure services.
10+ YOE10+ years experience; Bachelor's in CS/Engineering; backend focus; Java/Groovy/Ruby/Python; Linux; REST APIs; SQL/NoSQL; CI/CD; virtualization; ITSM; cloud (AWS/Azure/GCP); build tools (Maven/Gradle); Git; architecture knowledge.
Java, Groovy, Ruby, Python, Linux, REST, SQL, NoSQL, Git, Maven, Gradle, CI/CD, AWS, Azure, Google Cloud, ITSM, Virtualization, Build Tools, Automation, Cloud
2mo
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Engineer Senior – Embedded Software
Boulder or Westminster or Broomfield
$97k-$165k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
4+ YOEBachelor's in engineering +4 years experience (or advanced degree substitution); active Top Secret/SCI clearance; experience with Rust, C/C++, Python, Embedded Linux, FPGAs, messaging (MQTT/ZeroMQ), Yocto/PetaLinux, device trees, UML, and formal software lifecycle practices.
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
1mo
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Engineer Senior – Embedded Software
Boulder or Westminster or Broomfield or Colorado or United States
$97k-$165k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
4+ YOEBS in engineering +4 years (or advanced degree substitution); current Secret clearance with ability to obtain TS/SCI; experience with Rust, C/C++, Python, Embedded Linux, FPGAs, messaging (MQTT/ZeroMQ), Yocto/PetaLinux, device tree, UML, and formal software lifecycle practices.
CI/CD, Containerization, C/C++, Rust, Python, Ruby, Embedded Linux, FPGAs, MQTT, ZeroMQ, PetaLinux, Yocto, Device tree, UML, Cameo, PlantUML, Protobuf, FlatBuffers, MATLAB, gtest, ctest, Yocto Project, OpenEmbedded, DevSecOps, hardware-in-the-loop, Linux
1mo
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Engineer II – Embedded Software
Broomfield or Westminster or Boulder or Colorado or United States
$79k-$135k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
2+ YOEBS in engineering plus 2+ years experience; proficiency in Rust, C/C++, Python, Embedded Linux, FPGA interaction, messaging (MQTT/ZeroMQ), Yocto/PetaLinux, device tree, UML and formal software practices; eligible for Top Secret/SCI clearance; U.S. person required.
CI/CD, Containerization, C/C++, Rust, Python, Ruby, Embedded Linux, FPGA, MQTT, ZeroMQ, PetaLinux, Yocto, Device tree, UML, Protobuf, FlatBuffers, MATLAB, Cameo, PlantUML, DevSecOps, Yocto Project, OpenEmbedded, gtest, ctest
3mo
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HPE Morpheus Enterprise - Principal Software Engineer
Fort Collins or Durham or Houston
$152k-$349k/yr HybridFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides edge-to-cloud IT infrastructure and platform services.
10+ YOESenior level backend software engineer with Java/Python-like languages, Linux, REST APIs, and cloud experience.
Java, Groovy, Ruby, Python, Linux, REST APIs, SQL, NoSQL, Virtualization, ITSM, CI/CD, Maven, Gradle, Git, Cloud (AWS, Azure, Google Cloud)
1mo
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Senior Principal Engineer – Embedded Software
Broomfield or Westminster or Boulder
$133k-$226k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
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
1mo
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Senior Engineer – Ground/Application Software
Broomfield or Westminster or Boulder or Colorado or United States
$97k-$165k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
4+ YOEBS in engineering +4 years related experience; must be U.S. person/citizen and able to obtain Top Secret/SCI; experience with embedded satellite software, CI/CD, containerization, C/C++, Rust, Python; 10% travel; onsite 5 days/week.
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, Java, UML, Cameo, PlantUML, MATLAB, DevSecOps, gtest, ctest, MQTT, AMQP, Kafka, Nginx, Apache, Postgres
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
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
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
1mo
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Engineer Senior Principal III – SV Simulators Technical Leader
Boulder, Colorado, United States
$153k-$261k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
12+ YOEBachelor's in engineering plus 12+ years' related experience, active TS/SCI with polygraph, 5+ years as technical lead, Agile/SAFe and software project management experience, familiarity with simulation, systems architecture, and listed software tools.
C, C++, MATLAB, Simulink, Python, Ruby, Jira, Atlassian, Git, GitLab, SVN, DOORS, Jama, AWS, Docker, Podman, Scaled Agile Framework (SAFe), Agile