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Ruby On Rails Contractor Jobs in Washington, DC (NOW HIRING)

Ruby Developer Senior

Chantilly, VA ยท On-site

$120K - $265K/yr

CACI is seeking a Web Developer to act as a member of an AGILE development team working with HTML5, JavaScript, Bootstrap, CSS, C#.NET, SQL, Ruby on Rails, and Amazon Web Services to develop business ...

Ruby Developer Senior

Chantilly, VA ยท On-site

$120K - $265K/yr

CACI is seeking a Web Developer to act as a member of an AGILE development team working with HTML5, JavaScript, Bootstrap, CSS, C#.NET, SQL, Ruby on Rails, and Amazon Web Services to develop business ...

Your main focus will be building our custom DSL, you will also be expected to work on all aspects of the Signal Vine tech platform, including tasks such as maintaining our Ruby on Rails application ...

Your main focus will be building our custom DSL, you will also be expected to work on all aspects of the Signal Vine tech platform, including tasks such as maintaining our Ruby on Rails application ...

Position Overview Seeking a Web Developer to act as a member of an AGILE development team working with HTML5, JavaScript, Bootstrap, CSS, C#.NET, SQL, Ruby on Rails, Artificial Intelligence, and ...

New

Position Overview Seeking a Web Developer to act as a member of an AGILE development team working with HTML5, JavaScript, Bootstrap, CSS, C#.NET, SQL, Ruby on Rails, Artificial Intelligence, and ...

New

Position Overview We are seeking a Web Developer to act as a member of an AGILE development team working with HTML5, JavaScript, Bootstrap, CSS, C#.c, SQL, Ruby on Rails, Artificial Intelligence, and ...

New

Position Overview We are seeking a Web Developer to act as a member of an AGILE development team working with HTML5, JavaScript, Bootstrap, CSS, C#.c, SQL, Ruby on Rails, Artificial Intelligence, and ...

New

Systems Engineer (Hardware)

Glen Burnie, MD ยท On-site

$119K - $157K/yr

Experience with software languages (Java, C, C++, Ruby on Rails). * Familiarity with operating systems (Unix, Linux, Windows). * Prior experience working on DoD or defense-related projects.

Experience with software languages (Java, C, C++, Ruby on Rails). * Hands-on experience with Xilinx tools (Vivado, ISE, etc.). * Strong analytical and problem-solving skills. * Familiarity with ...

Design, develop, and maintain scalable full stack web applications using Ruby on Rails and modern frontend technologies * Build responsive, high-performance user interfaces using VueJS, ReactJS ...

Showing results 21-40

Ruby On Rails Contractor information

See Washington, DC salary details

$28.9K

$138.3K

$194.2K

How much do ruby on rails contractor jobs pay per year?

As of Sep 11, 2026, the average yearly pay for ruby on rails contractor in Washington, DC is $138,305.00, according to ZipRecruiter salary data. Most workers in this role earn between $116,100.00 and $159,100.00 per year, depending on experience, location, and employer.

What is a Ruby on Rails contractor?

Ruby on Rails contractors are professionals who specialize in building web applications using the Ruby on Rails framework. They are typically hired on a contract basis, either for short-term projects, specific features, or to augment in-house development teams. These contractors handle tasks such as backend development, API integration, database management, and sometimes front-end work, all centered around the Rails ecosystem. Their expertise allows businesses to rapidly develop, maintain, or upgrade web applications efficiently.

What are the key skills and qualifications needed to thrive as a Ruby on Rails contractor?

To thrive as a Ruby On Rails Contractor, you need strong programming skills in Ruby, expertise in the Rails framework, and a solid understanding of web application architecture, typically backed by experience or a relevant degree. Familiarity with tools like Git, PostgreSQL/MySQL, RESTful APIs, and deployment platforms such as Heroku or AWS is often required. Excellent problem-solving, time management, and communication skills help contractors efficiently collaborate with clients and teams. These skills ensure high-quality, maintainable code and successful project delivery in competitive, fast-paced environments.

What are some common challenges Ruby on Rails contractors face when joining a new development team?

Ruby On Rails Contractors often need to quickly adapt to existing codebases and team workflows, which can pose challenges if documentation is sparse or coding standards differ. Additionally, contractors must rapidly build rapport with permanent team members to ensure smooth collaboration, particularly in agile environments. Balancing multiple projects or client expectations can also require strong time management and communication skills. Being proactive about asking questions and clarifying requirements can help overcome these hurdles and contribute effectively from the start.

What is the difference between Ruby On Rails Contractor vs Ruby On Rails Developer?

AspectRuby On Rails ContractorRuby On Rails Developer
CredentialsTypically no formal certification required, but experience is keyOften holds a degree or certification in computer science or related fields
Work EnvironmentFreelance, project-based, often remoteFull-time or part-time employment within a company or agency
Employer & Industry UsageHired by various clients across industries for specific projectsEmployed by companies to develop and maintain applications
Search & Comparison IntentLooking for flexible, short-term project workSeeking ongoing, in-house or remote development roles

In summary, a Ruby On Rails Contractor is typically a freelance professional hired for specific projects, offering flexibility and diverse experience. A Ruby On Rails Developer usually works as a full-time employee, focusing on long-term application development within a company. Both roles require strong Rails skills but differ mainly in employment type and work setup.

What job categories do people searching Ruby On Rails Contractor jobs in Washington, DC look for?

The top searched job categories for Ruby On Rails Contractor jobs in Washington, DC are:

Infographic showing various Ruby On Rails Contractor job openings in Washington, DC as of August 2026, with employment types broken down into 1% Locum Tenens, 1% As Needed, 63% Full Time, 20% Part Time, and 15% Contract. Highlights an 82% Physical, 1% Hybrid, and 17% Remote job distribution, with an average salary of $138,305 per year, or $66.5 per hour.

Ruby Developer Senior

Chantilly, VA โ€ข On-site

$120K - $265K/yr

Full-time

Medical, Retirement, PTO

Posted 9 days ago


Job description

Job Title: Ruby Developer Senior 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 Web Developer to act as a member of an AGILE development team working with HTML5, JavaScript, Bootstrap, CSS, C#.NET, SQL, Ruby on Rails, and Amazon Web Services to develop business applications in support of a government customer. The developer will collaborate with analysts, project leads, UI/UX developers, testers, and customers to define requirements, implement business logic, and refine applications. This position will also require providing support and troubleshooting issues with existing production applications

Responsibilities: Responsible for researching, designing, developing and/or modifying software systems (e.g., custom, COTS, GOTS). Works closely with business analysts, UI/UX developers, and subject matter experts to understand functional requirements. Develops cost estimates for software development and enhancements and conducts impact analysis for software changes

Adheres to program configuration change control standards. Presents ideas for system improvements. Produces detailed specifications, writes software code, and conducts unit testing.

Writes interfaces and conversion routines leveraging web APIs. Supports formal testing in controlled environment before code is promoted to production. Provides input into training manuals for users.

Maintains knowledge of feature and technical changes in the application. Qualifications: Required: 10+ years relevant web development experience Experience with basic web programming languages such as HTML, JavaScript, and CSS Experience with Ruby on Rails Acquire CompTIA Security+ Certification within first 6 months Knowledge of web development principals, techniques, languages, and standard programming styles and conventions Bachelor's Degree or higher in Computer Science, Information Systems, or similar Ability to manage multiple priority tasks Self-motivated task identification An active TS/SCI clearance with CI Polygraph Desired: Experience with C#.NET and Bootstrap Experience with Python AWS Certification (AWS Developer Associate or AWS DevOps Engineer Professional) Knowledge of Agile software development Commercially published work Knowledge and understanding of the DoD or IC communities - 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 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.