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Senior Ruby On Rails Engineer Jobs in Colorado (NOW HIRING)

Human Agency

Senior Full-Stack Engineer

Denver, CO

We're seeking a Senior Full-Stack Engineer to join our growing team. In this role, you'll lead ... Proficiency in Python and Ruby on Rails , with significant backend experience. * Experience in ...

Human Agency

Senior Full-Stack Engineer

Denver, CO · On-site

We're seeking a Senior Full-Stack Engineer to join our growing team. In this role, you'll lead ... Proficiency in Python and Ruby on Rails , with significant backend experience. * Experience in ...

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 II - SW

Broomfield, CO · On-site

$79K - $134K/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 ...

Quantix

Ruby Developer

Denver, CO

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 ...

AppFolio

CO

$167K - $209K/yr

We are an AI-first engineering organization, revolutionizing how people do business. We want your ... Experience with technologies in our stack such as Ruby on Rails, Golang, React, AWS, or service ...

AECOM

Senior Transit Design Engineer (BRT)

Denver, CO · On-site

$107K - $147K/yr

The Senior Transit Engineer is a key position that will be based in one of our core locations and ... rail group with a focus on supporting the regional Bus Rapid Transit (BRT) design team. The ...

Nomad Labs, Inc

$150K - $195K/yr

About the Role We're hiring a Senior Software Engineer to take on meaningful ownership of our ... React, Ruby+Rails, and RDBMS (we use Postgre) * You have experience with modern testing ...

ENSCO, Inc.

Senior Project Manager

Pueblo, CO

... engineering, testing, research and training services to the railway industry in the areas of track ... Coordination of logistics and on-site activities * Oversight of profit and loss of projects

ENSCO, Inc.

Senior Project Manager

Pueblo, CO · On-site

$91K - $140K/yr

... on the ground, in the air, in space, and in the information systems that connect these domains ... engineering, testing, research and training services to the railway industry in the areas of track ...

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Senior Ruby On Rails Engineer information

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$84K

$144.7K

$188.8K

How much do senior ruby on rails engineer jobs pay per year?

As of Jun 23, 2026, the average yearly pay for senior ruby on rails engineer in Colorado is $144,700.00, according to ZipRecruiter salary data. Most workers in this role earn between $124,300.00 and $167,000.00 per year, depending on experience, location, and employer.

What does a Senior Ruby on Rails Engineer do?

A Senior Ruby on Rails Engineer is responsible for designing, developing, and maintaining web applications using the Ruby on Rails framework. They lead technical projects, write clean and efficient code, and often mentor junior developers. Their duties also include optimizing application performance, ensuring code quality through reviews and testing, and collaborating with cross-functional teams to deliver robust solutions. Senior engineers are expected to have deep expertise in Rails and related technologies, along with strong problem-solving skills.

What is the difference between Senior Ruby On Rails Engineer vs Ruby On Rails Developer?

AspectSenior Ruby On Rails EngineerRuby On Rails Developer
Experience LevelTypically 5+ years, with leadership responsibilitiesUsually 1-3 years, focused on coding and feature development
ResponsibilitiesArchitecting solutions, mentoring, overseeing projectsImplementing features, fixing bugs, writing code
Skills & CertificationsAdvanced Ruby on Rails, system design, team managementProficient in Ruby on Rails, basic system understanding
Work EnvironmentCollaborates with cross-functional teams, often in tech companiesFocuses on development tasks, often in startups or tech firms

While both roles require strong Ruby on Rails skills, Senior Ruby On Rails Engineers typically have more experience, leadership duties, and strategic responsibilities compared to Ruby On Rails Developers, who primarily focus on coding and feature implementation.

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

To thrive as a Senior Ruby On Rails Engineer, you need deep expertise in Ruby, Rails, web development best practices, and experience with databases, typically supported by a relevant degree or substantial industry experience. Familiarity with version control systems like Git, CI/CD pipelines, testing frameworks (RSpec, Minitest), and cloud platforms is essential, along with knowledge of front-end technologies. Strong problem-solving skills, effective communication, and the ability to mentor junior developers make someone stand out in this role. These skills ensure high-quality, scalable applications and effective collaboration within fast-paced development teams.

Is Ruby on Rails hard to learn?

Senior Ruby on Rails engineers typically find the framework accessible due to its clear conventions and extensive documentation. However, mastering Rails requires understanding Ruby programming, web development concepts, and related tools like databases and version control, which can take several months of dedicated learning and practice.

How does a Senior Ruby on Rails Engineer typically collaborate with product managers and designers during the software development lifecycle?

As a Senior Ruby on Rails Engineer, you'll work closely with product managers and designers throughout the development process. You'll participate in planning meetings to clarify requirements and offer technical insights, collaborate with designers to ensure feasibility and scalability of UI/UX designs, and provide regular feedback on how features are implemented. Effective communication and a proactive approach to problem-solving are key, as you'll help bridge the gap between technical constraints and product vision, ensuring successful and timely feature delivery.

Is Ruby on Rails still relevant in 2026?

As a Senior Ruby on Rails Engineer, Ruby on Rails remains a popular web framework for building scalable applications due to its simplicity and strong community support. While newer technologies emerge, many companies continue to maintain and develop with Rails, especially for rapid development and startups. Knowledge of Rails, along with related tools like JavaScript frameworks, remains valuable in the job market in 2026.

Is Ruby on Rails still in demand?

Ruby on Rails remains in demand for web development, especially in startups and companies valuing rapid development and maintainability. Senior Ruby on Rails engineers with skills in JavaScript, databases, and cloud deployment are sought after, though the framework's popularity has declined slightly compared to other technologies like Node.js or Python frameworks.
What cities in Colorado are hiring for Senior Ruby On Rails Engineer jobs? Cities in Colorado with the most Senior Ruby On Rails Engineer job openings:
Senior Ruby On Rails Engineer jobs near you
Engineer II - Ground/Application Software

Engineer II - Ground/Application Software

BAE Systems USA

Broomfield, CO • On-site

$79K - $134K/yr

Other

Medical, Dental, Vision, Life, Retirement, PTO

This job post has expired today. Applications are no longer accepted.

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

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 Education, Experience, & Skills
  • 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 Education, Experience, & Skills
  • 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.

Pay Information
Full-Time Salary Range: $79365 - $134921
Please note: This range is based on our market pay structures. However, individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience.
Employee Benefits: At BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20+ hours per week are offered: health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance. Our leave programs include paid time off, paid holidays, as well as other types of leave, including paid parental, military, bereavement, and any applicable federal and state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards. Other incentives may be available based on position level and/or job specifics.
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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