ZipRecruiter

Log In

1

Ruby On Rails Developer Contract Jobs in Washington, DC

ManTech

Telephony Engineer

Mclean, VA · On-site

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 ...

Vanda Pharmaceuticals

Back End Developer

Washington, DC · On-site

... Developer to design, develop, and maintain scalable web applications. The role involves building ... Ruby on Rails and modern frontend technologies • Build responsive and high-performance user ...

Signal Vine

Platform Engineer

Alexandria, VA · On-site

Technical Developer Position at Signal Vine Signal Vine, LLC is an exciting early-stage company ... Have used web frameworks to build one or more applications (i.e. RoR, NancyFx, Flask, Play, etc.

Collabera

Jr. Web Developer

Columbia, MD · On-site

Columbia, MD Job Duration: 6+ Months Contract Job Responsibilities: Design and Development of ... Strong understanding on Ruby on RaIls. Experience working in a fast paced, work-on-your-own ...

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 ...

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 ...

Full Scope

Systems Engineer (VHDL)

Glen Burnie, MD

Systems Engineer (VHDL) Location: Linthicum, MD Required Clearance : TS/SCI w/ Full-Scope Poly ... Experience with software languages (Java, C, C++, Ruby on Rails). * Hands-on experience with Xilinx ...

Ra

Full Stack Developer

Washington, DC

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 ...

WILLCOR Inc

Systems Engineer (VHDL)

Glen Burnie, MD

Systems Engineer (VHDL) Location: Linthicum, MD Required Clearance : TS/SCI w/ Full Scope Poly ... Experience with software languages (Java, C, C++, Ruby on Rails). * Hands-on experience with Xilinx ...

Ra

Full Stack Developer

Washington, DC

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 ...

WILLCOR Inc

Systems Engineer (VHDL)

Glen Burnie, MD

Systems Engineer (VHDL) Location: Linthicum, MD Required Clearance : TS/SCI w/ Full Scope Poly ... Experience with software languages (Java, C, C++, Ruby on Rails). * Hands-on experience with Xilinx ...

WILLCOR, Inc.

Systems Engineer (VHDL)

Glen Burnie, MD · On-site

Systems Engineer (VHDL) Location: Linthicum, MD Required Clearance : TS/SCI w/ Full Scope Poly ... Experience with software languages (Java, C, C++, Ruby on Rails). * Hands-on experience with Xilinx ...

next page

Showing results 1-20

All JobsRuby On Rails Developer Contract JobsRuby On Rails Developer Contract Jobs in Washington, DC

Ruby On Rails Developer Contract information

See Washington, DC salary details

$28.9K

$138.3K

$194.2K

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

As of Jun 19, 2026, the average yearly pay for ruby on rails developer contract 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 Developer Contract job?

A Ruby on Rails Developer Contract job is a temporary role where a developer is hired to build, maintain, or improve applications using the Ruby on Rails framework. These contracts can range from a few months to a year or more, depending on the project's scope. Contractors typically work on web applications, backend systems, or API development. They may be hired by startups, agencies, or larger companies looking for specialized expertise without committing to a full-time role.

What are the key skills and qualifications needed to thrive in the Ruby On Rails Developer Contract position, and why are they important?

To thrive as a Ruby On Rails Developer Contract, you need strong proficiency in Ruby, Rails framework, RESTful APIs, and SQL databases, typically demonstrated through professional experience or relevant computer science education. Familiarity with version control systems like Git, testing frameworks (such as RSpec), and deployment tools is essential, while certifications or open-source contributions can be advantageous. Excellent problem-solving skills, adaptability, and effective communication are crucial soft skills for collaborating with distributed teams and delivering client-focused solutions. These abilities are vital to ensure robust, maintainable code and successful project outcomes within contract-based, time-sensitive work environments.

What are the typical day-to-day responsibilities for a contract Ruby On Rails Developer?

As a contract Ruby On Rails Developer, your daily tasks usually include developing and maintaining web applications, writing clean backend code, integrating third-party services, and troubleshooting technical issues as they arise. You'll often participate in virtual standups or meetings with cross-functional teams, collaborate on feature planning, and provide input on best practices for code quality and application architecture. Additionally, you may be responsible for writing tests, updating documentation, and assisting with direct deployments depending on the team's workflow. This dynamic environment provides opportunities to work with various technologies and businesses, making each contract both challenging and rewarding.

What are the most commonly searched types of Ruby On Rails Developer jobs in Washington, DC? The most popular types of Ruby On Rails Developer jobs in Washington, DC are:
What are popular job titles related to Ruby On Rails Developer Contract jobs in Washington, DC? For Ruby On Rails Developer Contract jobs in Washington, DC, the most frequently searched job titles are:
What job categories do people searching Ruby On Rails Developer Contract jobs in Washington, DC look for? The top searched job categories for Ruby On Rails Developer Contract jobs in Washington, DC are:
Ruby On Rails Developer Contract jobs near you
Telephony Engineer

Telephony Engineer

ManTech

Mclean, VA • On-site

Other

Posted 22 days ago

ManTech rating

8.8

Company rating: 8.8 out of 10

Based on 13 frontline employees who took The Breakroom Quiz

32nd of 191 rated software companies

Job description

Description & Requirements
Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now-unleash your potential with MANTECH!

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.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.
If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.

What ManTech employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

Apply