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

BAE Systems

Eng II - SW

Westminster, CO · On-site

$79K - $134K/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 Prin - SW

Broomfield, CO · On-site

$118K - $200K/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 Prin - SW

Aurora, CO · On-site

$118K - $200K/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 Prin II - SW

Aurora, CO · On-site

$149K - $254K/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 II - SW

Aurora, 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 ...

BAE Systems

Eng Sr - SW

Aurora, CO · On-site

$97K - $164K/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 Prin - SW

Aurora, CO · On-site

$132K - $226K/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 Prin - SW

Broomfield, CO · On-site

$132K - $226K/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 ...

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Showing results 21-40

All JobsRuby On Rails JobsRuby On Rails Jobs in Littleton, CO

Ruby On Rails information

See Littleton, CO salary details

$25.5K

$122.3K

$171.8K

How much do ruby on rails jobs pay per year?

As of Aug 15, 2026, the average yearly pay for ruby on rails in Littleton, CO is $122,318.00, according to ZipRecruiter salary data. Most workers in this role earn between $102,700.00 and $140,700.00 per year, depending on experience, location, and employer.

What is a Ruby on Rails developer?

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.

Is Ruby on Rails a good career?

Ruby on Rails is a popular web development framework used by many companies, and roles for Rails developers are in demand, especially for building scalable web applications. Skills in Ruby, Rails, and related tools like JavaScript and databases can lead to job opportunities in startups and tech firms. The career can be stable with continuous learning and experience, but market demand varies based on industry trends and location.

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 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. While demand has shifted towards JavaScript frameworks and other backend technologies, many companies still seek Rails developers for maintaining and building applications, and knowledge of related tools like Git and SQL enhances job prospects.

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 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 Littleton, CO look for?

The top searched job categories for Ruby On Rails jobs in Littleton, CO are:

What cities near Littleton, CO are hiring for Ruby On Rails jobs?

Cities near Littleton, CO with the most Ruby On Rails job openings:

Ruby On Rails jobs near you
Infographic showing various Ruby On Rails job openings in Littleton, CO as of August 2026, with employment types broken down into 82% Full Time, and 18% Contract. Highlights an 68% In-person, and 32% Remote job distribution, with an average salary of $122,318 per year, or $58.8 per hour.

Eng II - SW

BAE Systems

Westminster, CO • On-site

$79K - $134K/yr

Full-time

Re-posted 10 days ago

BAE Systems rating

8.4

Company rating: 8.4 out of 10

Based on 150 frontline employees who took The Breakroom Quiz

10th of 49 rated military and defense

Job description


The Electrical Solutions team is seeking a Software Engineer to work with technical teams using primarily Python and Ruby, to design, develop, integrate, and certify test system software and hardware for a variety of applications.
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:
  • Key member of technical teams to design, develop, integrate, and certify test system software and hardware for a variety of applications including subsystem command and data handling, low level hardware control, automation, custom interfaces, and communication software for ground, airborne and/or space systems.
  • Participate in the following activities: requirements definition, analysis and decomposition, support system level architecture definition, and design/implement test software for multiple programs concurrently.
  • Create professional software applications and scripts primarily in Python and Ruby with other languages as needed.
  • Communicate technical, cost, and schedule status to program management and negotiate scope and resources to meet program goals.
  • Collaborate with other disciplines to ensure test systems meet the end needs of the program.
  • Work with program teams to estimate technical resource requirements, including data structures, storage, analysis, test equipment, and networking needs.
  • Participate in department activities to improve methods and processes
  • Work under formal software development methodologies.
  • 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 of related experience.
  • Each higher-level degree, i.e., Master's Degree or Ph.D., may substitute for two years of experience. Related technical experience may be considered in lieu of education. 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.
  • Experience using Python to integrate with hardware (COTS instrumentation, custom hardware, FPGA's, etc.) to test products under development.
  • Experience configuring and interfacing to instrumentation across various protocols, including UART, GPIB, DAQmx, RIO, TCP-IP, USB, Spacewire, 1553, and other related technologies, desired.
  • Experience with containerization technologies such as Docker or Podman, including developing software within containerized environments and creating/configuring containerized infrastructure.
  • Hands-on experience with CI/CD pipeline development, including creating automated workflows, and integrating with version control systems.
  • Experience working on full software lifecycle including ability to define requirements from an abstract system with minimal guidance.
  • Demonstrated ability to work across engineering disciplines and cross-functional teams.
  • Self-starter, good interpersonal and communication skills, ability to work independently and on a team.
  • Working knowledge of software quality principles.
#LI-LB3
A security clearance or access with Polygraph is not required to be eligible for this position. However, the applicant must be willing and eligible for submission, depending on program requirements, after an offer is accepted and must be able to maintain the applicable clearance/access.
Preferred Skills and Education
  • TS/SCI or current SSBI.
  • Proficiency in web frameworks, components, and technologies desired. 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 OpenC3 components.
  • Experience with a range of operating systems and scripting tools, including Linux, Windows, BASH, and PowerShell, with the ability to write simple scripts, automate tasks, and troubleshoot common issues.
  • Experience with databases, both relational and NoSQL.
  • Basic understanding of FPGA design and VHDL.
  • Experience with the NI toolchain such as LabVIEW (including RT and FPGA) and Veristand.
  • Experience with software security best practices. Examples include identifying/mitigating vulnerabilities through static code analysis, CVE analysis, implementing secure connections, and compliance with CMMC security principals.

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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