1

Hourly Ruby On Rails Developer Contract Jobs in Ashburn, VA

Develop and troubleshoot applications using PowerBuilder, Korn shell, and Ruby on Rails ... Proficiency in Ruby programming and the Ruby on Rails framework, along with strong experience in ...

VoIP Systems Engineer

Mclean, VA · On-site

$165K - $295K/yr

Develop and troubleshoot applications using PowerBuilder, Korn shell, and Ruby on Rails ... salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work ...

Develop and troubleshoot applications using PowerBuilder, Korn shell, and Ruby on Rails ... Proficiency in Ruby programming and the Ruby on Rails framework, along with strong experience in ...

As a Mission Software Developer supporting the customer, you will be trusted to understand the ... Experience with developing systems in Ruby on Rails \n * Proficient in CSS, HTML, JQuery, Ajax ...

Senior Applications Developer

Herndon, VA · On-site

$98K - $135K/yr

Object\-oriented analysis and design, relational database design and development using either Ruby on Rails, or Java programming as well as experience using D3.js, Angular, Node.js, CSS3, PHP ...

A Full Stack Developer Where is your seat? * Washington, DC How much are you paid? * $90,000 - $115 ... You have experience working on the server-side using Node, Elixir, Ruby on Rails, Python / Django ...

Sr Software Developer

Chantilly, VA · On-site

$55.75 - $73.75/hr

NET MVC and Ruby on Rails technologies * Develop and maintain ServiceNow applications, workflows ... Analysts, Software Engineers/Developers, DevSecOps Engineers, Project Managers, Identity ...

A Full Stack Developer Where is your seat? * Washington, DC How much are you paid? * $90,000 - $115 ... You have experience working on the server-side using Node, Elixir, Ruby on Rails, Python / Django ...

Senior Network Engineer

Chantilly, VA · Hybrid

$107K - $147K/yr

... DevOps practices. What will you do? • Design, implement, and maintain network and cloud ... Ruby on Rails, or similar development languages • Experience with Ansible, Puppet, Chef, or other ...

Jr. DataBase Developer

Washington, DC · On-site

$75K - $98K/yr

Experience with Ruby on Rails JRUBY, Java JBOSS, Tourquebox Business Intelligence and Data ... Candidates with Engineering, Computer Science or related field preferred or related field plus 3+ ...

Showing results 21-40

Hourly Ruby On Rails Developer Contract information

See Ashburn, VA salary details

$26.1K

$124.9K

$175.4K

How much do hourly ruby on rails developer contract jobs pay per year?

As of Aug 11, 2026, the average yearly pay for hourly ruby on rails developer contract 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 the difference between Hourly Ruby On Rails Developer Contract vs Hourly Front-End Developer Contract?

AspectHourly Ruby On Rails Developer ContractHourly Front-End Developer Contract
Primary SkillsRuby, Rails framework, backend developmentHTML, CSS, JavaScript, UI/UX design
Work EnvironmentBackend-focused, server-side projectsClient-side, user interface development
Common Industry UsageWeb applications, SaaS platformsWebsite interfaces, mobile responsiveness
CredentialsRuby certifications, experience with RailsJavaScript frameworks, design portfolios

While both roles involve web development, Hourly Ruby On Rails Developers focus on backend server-side programming using Ruby and Rails, whereas Front-End Developers specialize in creating engaging user interfaces with HTML, CSS, and JavaScript. The choice depends on whether the project requires backend logic or front-end design expertise.

What are popular job titles related to Hourly Ruby On Rails Developer Contract jobs in Ashburn, VA? For Hourly Ruby On Rails Developer Contract jobs in Ashburn, VA, the most frequently searched job titles are:
What job categories do people searching Hourly Ruby On Rails Developer Contract jobs in Ashburn, VA look for? The top searched job categories for Hourly Ruby On Rails Developer Contract jobs in Ashburn, VA are:
Infographic showing various Hourly Ruby On Rails Developer Contract job openings in Ashburn, VA as of August 2026, with employment types broken down into 1% As Needed, 58% Full Time, 36% Part Time, 1% Temporary, 3% Contract, and 1% Nights. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $124,874 per year, or $60 per hour.

VoIP Systems Engineer

MANTECH

Mclean, VA • On-site

Other

Posted 28 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 242 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.

What ManTech employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom