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

MANTECH

Telephony 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.

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

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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How much do ruby on rails jobs pay per year?

As of May 29, 2026, the average yearly pay for ruby on rails 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 Ruby On Rails?

Ruby on Rails is an application framework for web development. Specifically, it focuses on server-side functions and relies on the model-view-controller pattern. Rails is the framework itself, while Ruby is the programming language in which Rails is written. Ruby on Rails was designed to cut down on repetitive tasks and to be easy to learn with large, easily accessible libraries. It is open source as well, which means there is a large community that you can utilize to answer questions or improve your skills.

What are the key skills and qualifications needed to thrive as a Ruby on Rails Developer, and why are they important?

To thrive as a Ruby on Rails Developer, a solid grasp of Ruby programming, Rails framework, object-oriented design, and web development fundamentals is essential, often supported by a degree in computer science or related experience. Familiarity with version control systems like Git, databases such as PostgreSQL or MySQL, and deployment tools like Heroku or AWS is typically required. Strong problem-solving skills, attention to detail, and effective communication help developers collaborate with teams and address client needs efficiently. These skills are crucial for building robust, scalable web applications and adapting to evolving project requirements.

What are some common challenges faced by Ruby on Rails developers when working in agile teams?

Ruby on Rails developers in agile environments often encounter challenges such as rapidly adapting to changing requirements and maintaining code quality during frequent iterations. Collaborating closely with designers, product managers, and QA specialists requires clear communication and flexibility, especially when integrating new features or resolving bugs under tight deadlines. Additionally, balancing the need for quick delivery with best practices like writing tests and refactoring code can be demanding but is critical for long-term project success.

What are Ruby on Rails developers?

Ruby on Rails developers are software engineers who specialize in building web applications using the Ruby on Rails framework. They use the Ruby programming language and the Rails framework to create scalable, maintainable, and efficient websites or web applications. Their responsibilities often include designing database structures, writing server-side logic, integrating front-end components, and deploying applications. Ruby on Rails developers work in a variety of industries and are valued for their ability to quickly develop robust web solutions.

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

AspectRuby On RailsJavaScript Developer
Required CredentialsProficiency in Ruby, Rails framework, MVC architectureProficiency in JavaScript, frameworks like React or Angular, HTML/CSS
Work EnvironmentBackend web development, server-side scriptingFrontend development, client-side scripting
Employer & Industry UsageWeb startups, SaaS companies, e-commerce platformsWeb applications, interactive websites, mobile app development

Ruby On Rails and JavaScript Developers often work together but focus on different parts of web development. Rails is primarily used for backend development with a focus on server-side logic, while JavaScript developers handle the frontend, creating interactive user interfaces. Both roles are essential in full-stack development, but their skills and tools differ significantly.

More about Ruby On Rails jobs
What are popular job titles related to Ruby On Rails jobs in Washington, DC? For Ruby On Rails jobs in Washington, DC, the most frequently searched job titles are:
What job categories do people searching Ruby On Rails jobs in Washington, DC look for? The top searched job categories for Ruby On Rails jobs in Washington, DC are:
Ruby On Rails jobs near you
Infographic showing various Ruby On Rails job openings in Washington, DC as of May 2026, with employment types broken down into 77% Full Time, 21% Part Time, 1% Temporary, and 1% Contract. Highlights an 1% Physical, 16% Hybrid, and 83% Remote job distribution, with an average salary of $138,305 per year, or $66.5 per hour.
Telephony Engineer

Telephony Engineer

MANTECH

Mclean, VA • On-site

Full-time

Posted 29 days ago

ManTech rating

8.8

Company rating: 8.8 out of 10

Based on 13 frontline employees who took The Breakroom Quiz

31st of 183 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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