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Ruby Rails Jobs in Boulder, CO (NOW HIRING)

BAE Systems USA

Eng II - SW

Broomfield, CO

Web and REST service development using Spring, Jersey, Flask, CherryPy, or Ruby on Rails * Front-end and UX development using JavaScript, Angular, React, JavaFX, Python, or Qt * Back-end development ...

BAE Systems

Eng II - SW

Broomfield, CO · On-site

$79.37K - $134.92K/yr

Web and REST service development using Spring, Jersey, Flask, CherryPy, or Ruby on Rails * Front-end and UX development using JavaScript, Angular, React, JavaFX, Python, or Qt * Back-end development ...

BAE Systems

Eng II - SW

Broomfield, CO · On-site

$79.37K - $134.92K/yr

Web and REST service development using Spring, Jersey, Flask, CherryPy, or Ruby on Rails. * Front-end and UX development using JavaScript, Angular, React, JavaFX, Python, or Qt. * Back-end ...

BAE Systems

Eng Sr - SW

Westminster, CO · On-site

$97.01K - $164.91K/yr

Examples include Ruby on Rails, Knockout, Vue, NodeJS, JavaScript, Keycloak, Redis, Traefix, and Minio. * Experience working with OpenC3 COSMOS as a test executive and creating custom Ruby based ...

Blue Origin

Software Engineer II

Denver, CO · On-site

$123.71K - $173.20K/yr

Next.js, Ruby on Rails, Laravel, Django, Flask,etc) * Front-end skills: HTML, CSS, JavaScript (ES6, Typescript, JSX, React), UX/UI design, data visualization, front-end styling frameworks such as ...

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$26.4K

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How much do ruby rails jobs pay per year?

As of Jun 1, 2026, the average yearly pay for ruby rails in Boulder, CO is $126,644.00, according to ZipRecruiter salary data. Most workers in this role earn between $106,300.00 and $145,700.00 per year, depending on experience, location, and employer.

What is a Ruby Rails job?

A Ruby Rails job involves developing web applications using the Ruby programming language and the Ruby on Rails framework. Developers in this role build, maintain, and optimize back-end logic, databases, and APIs to ensure smooth functionality. They often collaborate with front-end developers, designers, and product managers to create scalable and efficient web applications. Strong knowledge of MVC architecture, database management, and version control systems like Git is essential for success in this role.

What are the key skills and qualifications needed to thrive in the Ruby Rails position, and why are they important?

To thrive as a Ruby on Rails Developer, you need a solid understanding of Ruby programming, the Rails framework, RESTful APIs, and database management, often supported by a degree in computer science or related experience. Familiarity with version control systems like Git, cloud platforms (such as AWS or Heroku), and testing frameworks (RSpec, Capybara) is typically expected. Strong problem-solving abilities, effective communication, and teamwork set standout candidates apart in collaborative development environments. Mastery of these skills ensures efficient, maintainable code and effective collaboration in dynamic software engineering teams.

What are the typical responsibilities of a Ruby on Rails Developer during a project lifecycle?

Ruby on Rails Developers are usually involved in all phases of the software development lifecycle, including requirements analysis, designing and implementing new features, writing automated tests, and debugging. They often participate in code reviews, work closely with product managers, UX/UI designers, and other developers, and contribute to continuous deployment and integration workflows. Collaboration and proactive communication are crucial, as Rails projects often involve rapid iteration and the need to deliver robust, scalable web applications. Being adaptable and comfortable working in Agile or Scrum environments will help you succeed and grow in this role.
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Ruby Rails jobs near you
Infographic showing various Ruby Rails job openings in Boulder, CO as of May 2026, with employment types broken down into 84% Full Time, 8% Part Time, 1% Temporary, and 7% Contract. Highlights an 82% Physical, 4% Hybrid, and 14% Remote job distribution, with an average salary of $126,644 per year, or $60.9 per hour.
Eng II - SW

Eng II - SW

BAE Systems USA

Broomfield, CO

Other

Posted 23 days ago

BAE Systems rating

8.4

Company rating: 8.4 out of 10

Based on 142 frontline employees who took The Breakroom Quiz

5th of 46 rated military and defense

Job description

Job Description
The Software and Ground Solutions group at BAE Systems Inc Space and Mission Systems is looking to expand our team with a talented and energetic software engineer focused on delivering high-quality, embedded satellite software and associated test infrastructure. This position supports a portfolio of software programs. Technology areas include software development, CI/CD, Containerization, C/C++, Rust, Python, and Ruby.
The Engineering, Science and Analysis (ESA) Strategic Capabilities Unit comprises the technical talent and organizational leadership that enables the successful delivery of high-impact discriminating technologies for our customers' missions. Our collaborative, cross-functional teams are committed to innovation, integrity, continual learning and strong execution.
What You'll Do:
  • Develop satellite command and control, mission planning, and data analysis software systems,
  • Perform full software life cycle functions including requirements, architecture, design, code, test, integration, documentation, and support.
  • Work collaboratively in a team environment with both internal and external customers to maintain a positive and productive work environment.
  • Maintain a regular and predictable work schedule.
  • Establish and maintain effective working relationships within the department, the Strategic Business Units, Strategic Capabilities Units and the Company. Interact appropriately with others to maintain a positive and productive work environment.
  • Perform other duties as necessary.
On-Site Work Environment: This position requires regular in-person engagement by working on-site five days each normally scheduled week in the primary work location. Travel and local commute between company campuses and other possible non-company locations may be required.
Working Conditions:
  • Work is performed in an office, laboratory, production floor, or cleanroom, outdoors or remote research environment.
  • May occasionally work in production work centers where use of protective equipment and gear is required.
  • May access other facilities in various weather conditions.
Required Skills and Education
  • BS degree or higher in Engineering or a related technical field is required plus 2 or more years related experience
  • Each higher-level degree, i.e., Master's degree or Ph.D., may substitute for two years of experience. Degree must be from a university, college, or school which is accredited by an agency recognized by the US Secretary of Education, US Department of Education.
  • A current, active Secret security clearance is required, with the ability to obtain and maintain a TS/SCI.
  • Experience in one or more of the following technology areas:
    • Cloud development using AWS, Lambda, Docker, and Kubernetes
    • Web and REST service development using Spring, Jersey, Flask, CherryPy, or Ruby on Rails
    • Front-end and UX development using JavaScript, Angular, React, JavaFX, Python, or Qt
    • Back-end development using SQL and NoSQL databases, and JPA/ORM
    • Modeling, planning, or scheduling software development in languages such as Java, C++, or Python
  • Experience with object-oriented design.
  • Experience generating UML Class, Sequence, and Activity diagrams.
  • Experience with formal software development practices including the use of software configuration management, coding standards, and style guides.
#LI-AP1
Preferred Skills and Education
  • Additional experience helpful in the following technologies:
    • Cyber and cloud development using AWS or Azure
    • Microservice architectures
    • Message brokers (MQTT, AMQP, Kafka)
    • REST and web app JavaScript framework development using Angular, React, Vue
    • Web services (Nginx, Apache)
    • Database (Postgres)
  • Experience with requirements derivation.
  • Experience generating UML Class, Sequence, and Activity diagrams.
  • Experience in developing test, simulation, or data processing applications in high-level languages such as Python, Ruby, or MATLAB.
  • Experience using Cameo or PlantUML for Design.
  • DevSecOps.
  • Testing frameworks (gtest, ctest, test-driven development, hardware-in-the-loop).
  • A working knowledge of Agile lifecycles and activities in each phase.

About BAE Systems Space & Mission Systems
BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. Improving the future and protecting lives is an ambitious mission, but it's what we do at BAE Systems. Working here means using your passion and ingenuity where it counts - defending national security with breakthrough technology, superior products, and intelligence solutions. As you develop the latest technology and defend national security, you will continually hone your skills on a team-making a big impact on a global scale. At BAE Systems, you'll find a rewarding career that truly makes a difference.
Headquartered in Boulder, Colorado, Space & Mission Systems is a leading provider of national defense and civil space applications, advanced remote sensing, scientific and tactical systems for government and commercial customers. We continually pioneer ways to innovate spacecraft, mission payloads, optical systems, and other defense and civil capabilities. Powered by endlessly curious people with an unwavering mission focus, we continually discover ways to enable our customers to perform beyond expectation and protect what matters most.
This position will be posted for at least 5 calendar days. The posting will remain active until the position is filled, or a qualified pool of candidates is identified.
Multiple positions may be available on this opening.

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