Ruby on Rails Developer
- Location
- Chantilly, VA
- Listed
- 2 days ago
About the role
- Job Title: Ruby on Rails Developer
- Job Category: Information Technology
- Time Type: Full time
- Minimum Clearance Required to Start: TS/SCI with Polygraph
- Employee Type: Regular
- Percentage of Travel Required: Up to 10%
- Type of Travel: Local
The Opportunity
CACI is seeking a Ruby on Rails Developer to build, enhance, and modernize web-based applications supporting a government customer. As part of an Agile development team, you'll help deliver reliable, user-focused solutions across a portfolio of 40+ applications.
You'll work with Ruby on Rails, HTML5, JavaScript, CSS, SQL, and Amazon Web Services (AWS), collaborating with analysts, testers, project leads, and customers throughout the Agile software development lifecycle. You'll contribute to delivering quality software through established development and deployment practices, with opportunities to support application migrations, work with C#/.NET, and explore AI-assisted development tools that enhance coding, testing, and other development workflows.
Responsibilities
- Design, develop, enhance, and maintain complex Ruby on Rails applications, emphasizing performance, security, reliability, and maintainability.
- Analyze requirements and application dependencies, recommend implementation approaches, estimate development efforts, and assess technical feasibility, risks, and impacts across interconnected systems.
- Collaborate with business analysts, project leads, testers, subject matter experts, and customers to translate requirements into effective application solutions.
- Develop and review technical specifications, write maintainable code, build and integrate APIs and data conversion routines, and perform unit testing.
- Support application testing and CI/CD deployments by diagnosing complex defects, identifying root causes, and coordinating resolutions.
- Contribute to application migrations and modernization initiatives, identifying opportunities to improve functionality and leverage AWS and related technologies.
- Maintain technical documentation, follow configuration management and release standards, and identify opportunities to improve development workflows, including through AI-assisted tools.
Qualifications
Required
- Minimum of two (2) years of relevant web development or software development experience.
- Active TS/SCI clearance with CI Polygraph.
- Demonstrated experience developing, testing, and supporting web applications using Ruby on Rails.
- Hands-on experience with HTML, JavaScript, CSS, SQL, and relational databases.
- Strong understanding of web development principles, software engineering practices, coding standards, and application security.
- Ability to analyze complex technical issues, assess application dependencies and potential impacts, and recommend effective solutions with minimal supervision.
- Strong analytical, problem-solving, communication, and collaboration skills, with the ability to take ownership of development tasks and exercise sound technical judgment.
- Ability to obtain CompTIA Security+ certification within the first six (6) months.
Desired
- Bachelor's degree in Computer Science, Information Systems, Software Engineering, or a related field, or equivalent work experience.
- Experience developing, deploying, or supporting applications using AWS services and cloud-based architectures.
- Familiarity with CI/CD pipelines, automated testing, and software deployment processes.
- Experience developing or maintaining web APIs, application integrations, or data conversion routines.
- Experience supporting application migrations, modernization initiatives, or enhancements to existing systems.
- Familiarity with Agile software development methodologies and practices.
- Experience using AI-assisted development tools or interest in applying AI to software development workflows.
- Knowledge of or experience supporting Department of Defense (DoD) or Intelligence Community (IC) environments.
- What You Can Expect:
- A culture of integrity.
- At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation.
- An environment of trust.
CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
- A focus on continuous growth.
- Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.
Pay Range
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives.
We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
The proposed salary range for this position is
$120,800 - $265,800
Equal opportunity and legal notices
CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.
From CACI's careers page, first listed on Rolev.ai on November 6, 2026. Rolev.ai is not the employer.
How Rolev.ai helps with this application
Rolev.ai is a job search and application tool for US job seekers. For this Ruby on Rails Developer role at CACI, it shows how your resume fits, tailors your resume to the posting, and prepares the application for you to review.
See how you fit
Openings from employer career sites are ranked against your whole resume—and searchable inside Claude, ChatGPT, and Cursor via Rolev.ai MCP.
Tailor without inventing
Every change to your resume is checked against your original. New experience goes in only with your yes—zero fabricated claims.
Draft the full kit
Tailored and Full Match resumes, role-specific cover letters, and answers to employer screening questions are prepared in seconds.
1-Click Extension Autofill
The Chrome extension fills the employer's Greenhouse, Workday, Lever, or Ashby form in 1 click. You review it and press Submit.
Similar roles
- Ruby on Rails DeveloperInfojini Inc. · Austin, TX
- Ruby on Rails position(Full time position)US IT Solutions Inc. · San Francisco, CA
- Ruby On Rails Developerettain group · Westlake, TX
- Ruby on Rails DeveloperConsultadd · Jersey City, NJ
- Ruby on rails DeveloperInfojini Inc. · Columbia, SC
- Ruby on Rails Developer (Remote)Infojini Inc. · Columbia, SC
Common questions
Where is the Ruby on Rails Developer job at CACI located?
This Ruby on Rails Developer position at CACI is located in Chantilly, VA. Always check CACI's application page for specific state eligibility or relocation policies.
How do I apply for the Ruby on Rails Developer position at CACI?
This listing links directly to CACI's Workday application page. You can apply directly on CACI's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the Workday application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.