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Junior Ruby On Rails Web Developer Jobs in Denver, CO

BAE Systems

Eng Sr - SW

Aurora, CO · On-site

$124K - $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

$123K - $162K/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

Aurora, CO · On-site

$124K - $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 II - SW

Aurora, CO · On-site

$124K - $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 Prin - SW

Aurora, CO · On-site

$124K - $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 II - SW

Westminster, CO · On-site

The Engineering, Science and Analysis (ESA) Strategic Capabilities Unit comprises the technical ... Proficiency in web frameworks, components, and technologies desired. Examples include Ruby on Rails ...

Quantix, Inc.

Ruby Developer

Denver, CO · On-site

They are seeking a Ruby Developer to join their team in Denver, CO on a contract to hire basis. The role involves working with Ruby, RESTful API services, Oracle databases, and potentially Angular or ...

BAE Systems

Eng Sr - SW

Westminster, CO · On-site

$123K - $163K/yr

The Engineering, Science and Analysis (ESA) Strategic Capabilities Unit comprises the technical ... Proficiency in web frameworks, components, and technologies desired. Examples include Ruby on Rails ...

Quantix

Ruby Developer

Denver, CO · On-site

Contract to Hire Length: 3 Months Our client in the Denver, Colorado area is looking for a Ruby Developer to join their team on a contract to hire basis. This person will join an existing team, and ...

TextUs

Senior Software Engineer

Denver, CO · On-site

$126K - $166K/yr

Overall mentorship of junior and mid-level engineers What you'll bring * 5+ years building ... web app contexts Our stack * Ruby on Rails * Postgres or similar relational database experience

TextUs

Senior Software Engineer

Denver, CO · On-site

$126K - $166K/yr

Overall mentorship of junior and mid-level engineers What you'll bring * 5+ years building ... web app contexts Our stack * Ruby on Rails * Postgres or similar relational database experience

Lynker

Website Developer

Boulder, CO · On-site

$90 - $130/hr

... on Earth and in space. SWPC supports national security, transportation, power grid resilience ... The Web Developer selected will support SWPC Testbed by developing, maintaining, and testing ...

Lynker Corporation

Website Developer

Boulder, CO · On-site +1

... on Earth and in space. SWPC supports national security, transportation, power grid resilience ... The Web Developer selected will support SWPC Testbed by developing, maintaining, and testing ...

Lynker Corporation

Website Developer

Boulder, CO · On-site +1

$78K - $117K/yr

... on Earth and in space. SWPC supports national security, transportation, power grid resilience ... The Web Developer selected will support SWPC Testbed by developing, maintaining, and testing ...

Lynker Corporation

Website Developer

Boulder, CO · On-site

$90 - $120/hr

... on Earth and in space. SWPC supports national security, transportation, power grid resilience ... The Web Developer selected will support SWPC Testbed by developing, maintaining, and testing ...

Lynker Corporation

Website Developer

Boulder, CO · On-site +1

$78K - $117K/yr

... on Earth and in space. SWPC supports national security, transportation, power grid resilience ... The Web Developer selected will support SWPC Testbed by developing, maintaining, and testing ...

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All JobsRuby On Rails Web Developer JobsJunior Ruby On Rails Web Developer JobsJunior Ruby On Rails Web Developer Jobs in Denver, CO

Junior Ruby On Rails Web Developer information

See Denver, CO salary details

$30.9K

$81.6K

$120.9K

How much do junior ruby on rails web developer jobs pay per year?

As of Sep 5, 2026, the average yearly pay for junior ruby on rails web developer in Denver, CO is $81,564.00, according to ZipRecruiter salary data. Most workers in this role earn between $56,600.00 and $81,800.00 per year, depending on experience, location, and employer.

What is the difference between Junior Ruby On Rails Web Developer vs Junior Front End Developer?

AspectJunior Ruby On Rails Web DeveloperJunior Front End Developer
Required SkillsRuby, Rails framework, basic HTML/CSS, GitHTML, CSS, JavaScript, frameworks like React or Angular
Work EnvironmentBackend development, server-side logic, database integrationClient-side development, UI/UX, visual design
Industry UsageWeb applications, SaaS platforms, e-commerce sitesWebsite interfaces, mobile apps, interactive features

Junior Ruby On Rails Web Developers focus on backend development using Ruby on Rails, handling server-side logic and database integration. In contrast, Junior Front End Developers work on the visual and interactive aspects of websites using HTML, CSS, and JavaScript. Both roles are essential in web development teams but differ in technical focus and daily tasks.

Junior Ruby On Rails Web Developer jobs near you
Infographic showing various Junior Ruby On Rails Web Developer job openings in Denver, CO as of August 2026, with employment types broken down into 1% Internship, 78% Full Time, 13% Part Time, and 8% Contract. Highlights an 82% Physical, 3% Hybrid, and 15% Remote job distribution, with an average salary of $81,564 per year, or $39.2 per hour.

Eng Sr - SW

BAE Systems

Aurora, CO • On-site

$124K - $164K/yr

Other

Posted 29 days ago

BAE Systems rating

8.4

Company rating: 8.4 out of 10

Based on 151 frontline employees who took The Breakroom Quiz

10th of 49 rated military and defense

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 4 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 TS/SCI security clearance is required.
  • 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.

What BAE Systems employees say

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About BAE Systems

Sourced by ZipRecruiter

At BAE Systems, we provide some of the world's most advanced, technology-led defence, aerospace and security solutions. We employ a skilled workforce of more than 93,000 in around 40 countries. Working with customers and local partners, we develop, engineer, manufacture, and support products and systems to deliver military capability, protect national security and people, and keep critical information and infrastructure secure.

Industry

National security and international affairs and it services

Company size

10,000+ Employees

Headquarters location

Falls Church, VA, US

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