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Ruby Rails Developer Jobs in Lakewood, CO (NOW HIRING)

BAE Systems

Eng II - SW

Westminster, CO · On-site

$79K - $134K/yr

... Engineer to work with technical teams using primarily Python and Ruby, to design, develop ... Examples include Ruby on Rails, Knockout, Vue, NodeJS, JavaScript, Keycloak, Redis, Traefix, and ...

Blue Origin

Software Engineer II

Denver, CO · On-site

$123K - $173K/yr

As aSoftware Engineer II, you will join a team of passionate software platform engineers ... Next.js, Ruby on Rails, Laravel, Django, Flask,etc) * Front-end skills: HTML, CSS, JavaScript (ES6 ...

Blue Origin

Software Engineer II

Denver, CO · On-site

$123K - $173K/yr

As aSoftware Engineer II, you will join a team of passionate software platform engineers ... Next.js, Ruby on Rails, Laravel, Django, Flask,etc) * Front-end skills: HTML, CSS, JavaScript (ES6 ...

BAE Systems

Eng Sr - SW

Westminster, CO · On-site

$97K - $164K/yr

The Engineering, Science and Analysis (ESA) Strategic Capabilities Unit comprises the technical ... Examples include Ruby on Rails, Knockout, Vue, NodeJS, JavaScript, Keycloak, Redis, Traefix, and ...

BAE Systems

Eng Prin - SW

Broomfield, CO · On-site

$118K - $200K/yr

The Engineering, Science and Analysis (ESA) Strategic Capabilities Unit comprises the technical ... Web and REST service development using Spring, Jersey, Flask, CherryPy, or Ruby on Rails ...

BAE Systems

Eng Sr - SW

Broomfield, CO · On-site

$97K - $164K/yr

The Engineering, Science and Analysis (ESA) Strategic Capabilities Unit comprises the technical ... Web and REST service development using Spring, Jersey, Flask, CherryPy, or Ruby on Rails ...

BAE Systems

Eng Sr Prin - SW

Broomfield, CO · On-site

$132K - $226K/yr

The Engineering, Science and Analysis (ESA) Strategic Capabilities Unit comprises the technical ... Web and REST service development using Spring, Jersey, Flask, CherryPy, or Ruby on Rails ...

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All JobsRuby Rails Developer JobsRuby Rails Developer Jobs in Lakewood, CO

Ruby Rails Developer information

See Lakewood, CO salary details

$25.5K

$122.1K

$171.5K

How much do ruby rails developer jobs pay per year?

As of Jul 13, 2026, the average yearly pay for ruby rails developer in Lakewood, CO is $122,132.00, according to ZipRecruiter salary data. Most workers in this role earn between $102,500.00 and $140,500.00 per year, depending on experience, location, and employer.

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

To thrive as a Ruby Rails Developer, you need expertise in Ruby programming, a solid understanding of the Rails framework, and experience with web development fundamentals such as HTML, CSS, and JavaScript. Familiarity with tools like Git, databases (e.g., PostgreSQL, MySQL), and cloud platforms, along with knowledge of testing frameworks and continuous integration systems, is typically expected. Problem-solving abilities, attention to detail, and strong communication skills help developers effectively collaborate and deliver robust solutions. These skills ensure high-quality, maintainable code and enable efficient teamwork in fast-paced development environments.

What Does a Ruby Rails Developer Do?

Ruby on Rails is a server-side framework for developing websites, databases, and web services. "Rails" is the name of the overall development framework. As a Ruby Rails developer, you write code for server-side applications in a language called Ruby. After programming your solutions, your responsibilities focus on testing your work and performing debugging duties if necessary. You may also check and improve existing applications. You usually work as part of a development team, and you help integrate other elements, such as database functions, into the framework. Employers may expect you to work with front-end development languages such as HTML and JavaScript.

How do Ruby on Rails developers typically collaborate with front-end teams during a project?

Ruby on Rails developers often work closely with front-end developers to ensure seamless integration between the application's back-end logic and user interface. Collaboration usually involves regular code reviews, shared documentation, and effective use of version control systems like Git. Communication tools such as Slack and project management platforms like Jira help keep both teams aligned on project goals, feature requirements, and timelines. This teamwork ensures that back-end APIs and front-end components are well-coordinated, leading to a smooth development process and high-quality end product.

What does a Ruby on Rails Developer do?

A Ruby on Rails Developer specializes in building web applications using the Ruby programming language and the Rails framework. Their responsibilities include designing, developing, and maintaining scalable and efficient web applications, writing clean and testable code, and collaborating with other developers and stakeholders. They often work with databases, APIs, and front-end technologies to deliver complete solutions. Ruby on Rails Developers also troubleshoot issues, optimize performance, and ensure the security of the applications they create.
More about Ruby Rails Developer jobs
What are popular job titles related to Ruby Rails Developer jobs in Lakewood, CO? For Ruby Rails Developer jobs in Lakewood, CO, the most frequently searched job titles are:
What cities near Lakewood, CO are hiring for Ruby Rails Developer jobs? Cities near Lakewood, CO with the most Ruby Rails Developer job openings:
Ruby Rails Developer jobs near you
Infographic showing various Ruby Rails Developer job openings in Lakewood, CO as of July 2026, with employment types broken down into 85% Full Time, 3% Part Time, 1% Temporary, and 11% Contract. Highlights an 82% Physical, 3% Hybrid, and 15% Remote job distribution, with an average salary of $122,132 per year, or $58.7 per hour.
Eng II - SW

Eng II - SW

BAE Systems

Westminster, CO • On-site

$79K - $134K/yr

Full-time

Re-posted 8 days ago

BAE Systems rating

8.5

Company rating: 8.5 out of 10

Based on 145 frontline employees who took The Breakroom Quiz

5th of 46 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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