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Ruby On Rails Contractor Jobs in Washington (NOW HIRING)

MANTECH

Telephony Engineer

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.

Ra

Mobile Developer - RUBY

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 ...

MANTECH

Telephony Engineer

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.

MANTECH

Telephony Engineer

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.

ManTech International

Telephony Engineer

Mclean, VA · On-site

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

Telephony Engineer

Mclean, VA

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 ...

Signal Vine, LLC

Platform Engineer

Alexandria, VA

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 ...

Signal Vine, Llc

Platform Engineer

Alexandria, VA · On-site

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 ...

AppFolio

Sr Software Engineer - Accounting

Washington, DC · On-site +1

$138.70K - $182.90K/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 ...

Full Scope

Systems Engineer (VHDL)

Glen Burnie, MD

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 ...

WILLCOR Inc

Systems Engineer (VHDL)

Glen Burnie, MD

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 ...

WILLCOR Inc

Systems Engineer (VHDL)

Glen Burnie, MD · On-site

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 ...

WILLCOR, Inc.

Systems Engineer (VHDL)

Glen Burnie, MD · On-site

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 ...

WILLCOR Inc

Systems Engineer (Hardware)

Glen Burnie, MD

$119.50K - $157.70K/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.

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$28.9K

$138.3K

$194.2K

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

As of May 31, 2026, the average yearly pay for ruby on rails contractor in Washington 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 are the key skills and qualifications needed to thrive as a Ruby On Rails Contractor, and why are they important?

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 are Ruby on Rails contractors?

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 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.

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What job categories do people searching Ruby On Rails Contractor jobs in Washington look for? The top searched job categories for Ruby On Rails Contractor jobs in Washington are:
What cities in Washington are hiring for Ruby On Rails Contractor jobs? Cities in Washington with the most Ruby On Rails Contractor job openings:
Ruby On Rails Contractor jobs near you
Telephony Engineer

Telephony Engineer

MANTECH

Mclean, VA

Full-time

Posted yesterday

ManTech rating

8.8

Company rating: 8.8 out of 10

Based on 13 frontline employees who took The Breakroom Quiz

30th of 184 rated software companies

Job description

MANTECH seeks a motivated, career and customer-oriented Telephony 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.
  • Strong verbal and written communication skills to interact effectively with cross-functional teams.

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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