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Ruby On Rails Jobs in Boulder, CO (NOW HIRING)

BAE Systems USA

Eng II - SW

Broomfield, CO

$136K - $182K/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

$97K - $164K/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 ...

BAE Systems

Eng II - SW

Broomfield, CO · On-site

$79K - $134K/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 ...

Apex Systems

API Tech Lead

Denver, CO · On-site +1

Required Qualifications Experience: 6+ years of Ruby on Rails experience. Technical Skills: * Experience with relational databases such as PostgreSQL or MySQL. * Experience with the RSpec testing ...

Human Agency

Senior Full-Stack Engineer

Denver, CO · On-site

Proficiency in Python and Ruby on Rails , with significant backend experience. * Experience in designing secure systems, including encryption workflows and document protection mechanisms. * Hands-on ...

Human Agency

Senior Full-Stack Engineer

Denver, CO · On-site

Proficiency in Python and Ruby on Rails , with significant backend experience. * Experience in designing secure systems, including encryption workflows and document protection mechanisms. * Hands-on ...

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$28.5K

$136.7K

$191.9K

How much do ruby on rails jobs pay per year?

As of Jun 14, 2026, the average yearly pay for ruby on rails in Boulder, CO is $136,668.00, according to ZipRecruiter salary data. Most workers in this role earn between $114,700.00 and $157,200.00 per year, depending on experience, location, and employer.

What are Ruby on Rails developers?

Ruby on Rails developers are software engineers who specialize in building web applications using the Ruby on Rails framework. They use the Ruby programming language and the Rails framework to create scalable, maintainable, and efficient websites or web applications. Their responsibilities often include designing database structures, writing server-side logic, integrating front-end components, and deploying applications. Ruby on Rails developers work in a variety of industries and are valued for their ability to quickly develop robust web solutions.

What Is Ruby On Rails?

Ruby on Rails is an application framework for web development. Specifically, it focuses on server-side functions and relies on the model-view-controller pattern. Rails is the framework itself, while Ruby is the programming language in which Rails is written. Ruby on Rails was designed to cut down on repetitive tasks and to be easy to learn with large, easily accessible libraries. It is open source as well, which means there is a large community that you can utilize to answer questions or improve your skills.

What is the salary of Ruby on Rails developer?

The salary of a Ruby on Rails developer varies based on experience, location, and skill level, but typically ranges from $70,000 to $130,000 annually in the United States. Junior developers may earn closer to $70,000, while experienced developers with specialized skills can earn over $120,000. Factors such as working with cloud services, version control, and agile environments can influence compensation.

What are the key skills and qualifications needed to thrive as a Ruby on Rails Developer, and why are they important?

To thrive as a Ruby on Rails Developer, a solid grasp of Ruby programming, Rails framework, object-oriented design, and web development fundamentals is essential, often supported by a degree in computer science or related experience. Familiarity with version control systems like Git, databases such as PostgreSQL or MySQL, and deployment tools like Heroku or AWS is typically required. Strong problem-solving skills, attention to detail, and effective communication help developers collaborate with teams and address client needs efficiently. These skills are crucial for building robust, scalable web applications and adapting to evolving project requirements.

Is Ruby on Rails still in demand?

Ruby on Rails remains a popular web development framework, especially for startups and small to medium-sized businesses. Demand for Rails developers continues due to its efficiency, extensive libraries, and active community, though some companies are shifting toward JavaScript frameworks and other backend technologies.

What is the difference between Ruby On Rails vs JavaScript Developer?

AspectRuby On RailsJavaScript Developer
Required CredentialsProficiency in Ruby, Rails framework, MVC architectureProficiency in JavaScript, frameworks like React or Angular, HTML/CSS
Work EnvironmentBackend web development, server-side scriptingFrontend development, client-side scripting
Employer & Industry UsageWeb startups, SaaS companies, e-commerce platformsWeb applications, interactive websites, mobile app development

Ruby On Rails and JavaScript Developers often work together but focus on different parts of web development. Rails is primarily used for backend development with a focus on server-side logic, while JavaScript developers handle the frontend, creating interactive user interfaces. Both roles are essential in full-stack development, but their skills and tools differ significantly.

What are Ruby on Rails jobs?

Ruby on Rails jobs involve developing and maintaining web applications using the Ruby on Rails framework. These roles typically require knowledge of Ruby programming, front-end technologies, and database management, often within a collaborative software development environment. Job titles include Rails developer, backend developer, and full-stack developer, with responsibilities such as coding, testing, and deploying applications.

Is Ruby on Rails still used in 2026?

Ruby on Rails remains a popular web development framework for backend roles, especially for startups and companies valuing rapid development. While other frameworks like Node.js and Django have gained popularity, Rails continues to be maintained and used in production environments, with many developers working with its conventions and tools.

What are some common challenges faced by Ruby on Rails developers when working in agile teams?

Ruby on Rails developers in agile environments often encounter challenges such as rapidly adapting to changing requirements and maintaining code quality during frequent iterations. Collaborating closely with designers, product managers, and QA specialists requires clear communication and flexibility, especially when integrating new features or resolving bugs under tight deadlines. Additionally, balancing the need for quick delivery with best practices like writing tests and refactoring code can be demanding but is critical for long-term project success.
More about Ruby On Rails jobs
What job categories do people searching Ruby On Rails jobs in Boulder, CO look for? The top searched job categories for Ruby On Rails jobs in Boulder, CO are:
What cities near Boulder, CO are hiring for Ruby On Rails jobs? Cities near Boulder, CO with the most Ruby On Rails job openings:
Ruby On Rails jobs near you
Eng II - SW

Eng II - SW

BAE Systems USA

Broomfield, CO

$136K - $182K/yr

Other

Posted 7 days ago

BAE Systems rating

8.5

Company rating: 8.5 out of 10

Based on 143 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 (SMS) 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.
  • 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 in order 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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