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Ruby On Rails Contractor Jobs in Ashburn, VA (NOW HIRING)

MANTECH

VoIP Systems Engineer

Mclean, VA · On-site

In this role, you'll combine expertise in telephony systems, Linux server management, and software development, focusing on VoIP, analog, ISDN systems, and Ruby on Rails for telephony applications.

ManTech

VoIP Systems Engineer

Mclean, VA

$165K - $295K/yr

  • Medical

  • Life

  • Retirement

  • PTO

Develop and troubleshoot applications using PowerBuilder, Korn shell, and Ruby on Rails. * Integrate telephony systems (e.g., IVR, call routing) into web applications using Ruby on Rails. Modernize ...

ManTech International

VoIP Systems Engineer

Mclean, VA · On-site

$165K - $295K/yr

  • Medical

  • Life

  • Retirement

  • PTO

Develop and troubleshoot applications using PowerBuilder, Korn shell, and Ruby on Rails. * Integrate telephony systems (e.g., IVR, call routing) into web applications using Ruby on Rails. Modernize ...

AppFolio

Sr. Software Engineer - Accounting

Washington, DC · On-site +1

$138K - $182K/yr

Knowledge of Ruby on Rails and experience working with a language like Ruby, Java, or Python. * Experience with some areas of our tech, like Ruby on Rails, React, Redux, AWS, and SOA. * Familiarity ...

inTALENTgent

Expert Software Developer

Herndon, VA

Experience with developing systems in Ruby on Rails \n * Proficient in CSS, HTML, JQuery, Ajax ... Direct engagement with contractor leadership that centers upon career development\/mobility ...

VTG

Senior Network Engineer

Chantilly, VA · Hybrid

$107K - $147K/yr

... Ruby on Rails, or similar development languages • Experience with Ansible, Puppet, Chef, or other infrastructure automation tools • Experience with Cisco NSO or similar network automation ...

Vanda Pharmaceuticals

Back End Developer

Washington, DC · On-site

  • Medical

  • Retirement

  • PTO

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

Probity Inc.

VG Cloud Solutions Architect

Chantilly, VA · On-site

$67.25 - $85.50/hr

... Ruby on Rails, Bash, and Python. • Demonstrated experience with creating and updating procedures, and providing briefings/demos to users and management. Qualifications : Required : • This ...

VTG

Network Architect

Chantilly, VA · On-site

$67 - $89.75/hr

... Ruby on Rails • Experience with Infrastructure as Code (IaC) methodologies • Familiarity with Agile development methodologies • Strong experience supporting enterprise-scale architecture ...

Ra

Full Stack Developer

Washington, DC

You have experience working on the server-side using Node, Elixir, Ruby on Rails, Python / Django or similar. Additional Information All your information will be kept confidential according to EEO ...

Fantom Corporation

Sr Software Developer

Chantilly, VA · On-site

$120 - $160/hr

NET MVC and Ruby on Rails technologies * Develop and maintain ServiceNow applications, workflows, and platform enhancements * Build and enhance web interfaces using the ServiceNow Service Portal ...

Ra

Full Stack Developer

Washington, DC · On-site

You have experience working on the server-side using Node, Elixir, Ruby on Rails, Python / Django or similar. Additional Information All your information will be kept confidential according to EEO ...

Veredus - DC

Jr. DataBase Developer

Washington, DC

$75K - $98K/yr

Experience with Ruby on Rails JRUBY, Java JBOSS, Tourquebox Business Intelligence and Data Warehouse JavaScript visualization library such as D3.js Experience with Government Customers EDUCATION ...

RealmOne

Software Engineer - Expert

Herndon, VA · On-site

... migrating Ruby on Rails to Java • Familiarity with Infrastructure as Code (IOC) and cloud design principles • Understanding of SecDevOps and its applications Company : RealmOne provides ...

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Showing results 21-40

All JobsRuby On Rails Contractor JobsRuby On Rails Contractor Jobs in Ashburn, VA

Ruby On Rails Contractor information

See Ashburn, VA salary details

$26.1K

$124.9K

$175.4K

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

As of Aug 20, 2026, the average yearly pay for ruby on rails contractor in Ashburn, VA is $124,874.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,800.00 and $143,700.00 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 are popular job titles related to Ruby On Rails Contractor jobs in Ashburn, VA?

For Ruby On Rails Contractor jobs in Ashburn, VA, the most frequently searched job titles are:

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

The top searched job categories for Ruby On Rails Contractor jobs in Ashburn, VA are:

Ruby On Rails Contractor jobs near you
Infographic showing various Ruby On Rails Contractor job openings in Ashburn, VA as of August 2026, with employment types broken down into 56% Full Time, 17% Part Time, and 27% Contract. Highlights an 88% Physical, 1% Hybrid, and 11% Remote job distribution, with an average salary of $124,874 per year, or $60 per hour.

VoIP Systems Engineer

MANTECH

Mclean, VA • On-site

Full-time

Re-posted 7 days ago

ManTech rating

9.0

Company rating: 9.0 out of 10

Based on 14 frontline employees who took The Breakroom Quiz

33rd of 245 rated software companies

Job description

MANTECH seeks a motivated, career and customer-oriented VoIP Systems Engineer to join our team in McLean, VA. In this role, you'll combine expertise in telephony systems, Linux server management, and software development, focusing on VoIP, analog, ISDN systems, and Ruby on Rails for telephony applications.

Responsibilities include, but are not limited to:

  • Design, develop, and maintain voice media gateways for VoIP, analog, and ISDN systems. Install, configure, and troubleshoot telephony hardware and media gateways across secure networks.
  • Leverage BESS Billing and Provisioning Tools to optimize telephony systems and ensure seamless service delivery.
  • Configure and maintain Linux servers (Ubuntu, CentOS) for hosting telephony and web applications, ensuring performance, security, and scalability. Develop and troubleshoot applications using PowerBuilder, Korn shell, and Ruby on Rails.
  • Integrate telephony systems (e.g., IVR, call routing) into web applications using Ruby on Rails. Modernize legacy code and ensure reliable operation of telephony solutions.
  • Maintain clear technical documentation and provide ongoing support for telephony system integration, performance optimization, and troubleshooting.
  • Provide training and guidance to team members and stakeholders on telephony system integration, BESS tools, and server management best practices. Ensure comprehensive understanding of application workflows and troubleshooting processes.
  • Provide local travel support between customer buildings or temporary assignment to alternate locations for special projects.
  • Work an 8 hour shift as part of a coverage team operating between 6:00 AM and 6:00 PM. May need to flex shift as required.

Minimum Qualifications:

  • High School Diploma with 13+ years of experience or an Associate’s Degree with 11+ years of experience, or a Bachelor’s Degree with 9+ years of experience.
  • Familiarity with BESS Billing and Telephony Provisioning Tools.
  • Experience integrating telephony systems with web applications (e.g., handling inbound/outbound calls, IVR, call routing).
  • Advanced knowledge of Linux server management (Ubuntu, CentOS), including installation, configuration, troubleshooting, and performance optimization.

Preferred Qualifications:

  • Proficiency in Ruby programming and the Ruby on Rails framework, along with strong experience in telephony system integration.
  • Experience with scripting languages, including PowerBuilder and Korn shell, for system administration tasks.
  • Oracle Database Administrator certification is a plus.
  • Experience in provisioning telephony services.

Clearance Requirements:

  • Must have a current/active TS/SCI with Polygraph

Physical Requirements:

  • Must be able to remain in a stationary position at least 50% of the time. Constantly operate a computer, phone, and other office equipment for extended periods of time.

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