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Ruby On Rails Contract Jobs in Washington (NOW HIRING)

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 · 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 · 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 (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 (Hardware)

Glen Burnie, MD

$119K - $157K/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.

WILLCOR Inc

Systems Engineer (Hardware)

Glen Burnie, MD · On-site

$119K - $157K/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.

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 ...

Navstar

.NET Developer

Chantilly, VA · On-site

$49.50 - $65.25/hr

... Ruby on Rails, Artificial Intelligence, and Amazon Web Services to develop business applications in support of a government customer. The developer will collaborate with analysts, project leads, UI/U ...

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 ...

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 ...

VTG

Network Architect

Chantilly, VA

$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 ...

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Ruby On Rails Contract information

What are some common challenges faced by Ruby on Rails contractors when joining new projects, and how can they be addressed?

Ruby on Rails contractors often face the challenge of quickly ramping up on existing codebases, which may have varying coding standards or lack comprehensive documentation. To address this, it's helpful to allocate initial time for codebase exploration and to communicate proactively with the team about architectural decisions and project expectations. Collaborating closely with in-house developers and participating in regular stand-ups or code reviews can also smooth the transition and ensure alignment with project goals.

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 proficiency in Ruby, Rails framework, web development fundamentals, and experience with relational databases, typically demonstrated through a portfolio or relevant work history. Familiarity with version control systems like Git, cloud platforms (e.g., AWS or Heroku), and testing frameworks such as RSpec is often required. Excellent problem-solving skills, effective communication, and the ability to work independently are standout soft skills for this role. These skills and qualities are crucial to deliver high-quality, scalable solutions on time while collaborating remotely with clients or teams.

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

AspectRuby On Rails ContractRuby On Rails Developer
Work TypeTemporary, project-basedFull-time or part-time employment
DurationFixed-term, often project-specificOngoing employment
CredentialsSame as developer, typically requiring experience in RailsSame as contract roles, often requiring similar skills
Work EnvironmentRemote or on-site, freelance or agency-basedCompany office or remote
Employer UsageClients, agencies, or companies hiring for specific projectsCompanies hiring for long-term roles

In summary, Ruby On Rails Contract roles are temporary, project-focused positions suitable for freelancers or agencies, while Ruby On Rails Developer roles are typically permanent positions within companies. Both require similar skills and credentials but differ mainly in duration and employment structure.

What is a Ruby on Rails contract developer?

A Ruby on Rails contract developer is a software engineer who is hired on a temporary or project basis to build, maintain, or enhance web applications using the Ruby on Rails framework. They typically work as independent contractors or through consulting agencies, rather than as full-time employees. Their responsibilities often include writing clean code, testing features, fixing bugs, and collaborating with other team members to deliver high-quality software solutions. Contract positions can range from short-term projects to ongoing support roles, offering flexibility for both the developer and the hiring company.
What are popular job titles related to Ruby On Rails Contract jobs in Washington? For Ruby On Rails Contract jobs in Washington, the most frequently searched job titles are:
What job categories do people searching Ruby On Rails Contract jobs in Washington look for? The top searched job categories for Ruby On Rails Contract jobs in Washington are:
Ruby On Rails Contract jobs near you
Infographic showing various Ruby On Rails Contract job openings in Washington as of June 2026, with employment types broken down into 97% Full Time, and 3% Part Time. Highlights an 94% Physical, 1% Hybrid, and 5% Remote job distribution.
Telephony Engineer

Telephony Engineer

ManTech

Mclean, VA

Other

Posted 27 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.

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