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Senior Ruby On Rails Engineer Jobs in Washington, DC

ManTech International

Telephony Engineer

Mclean, VA · On-site

$165K - $295K/yr

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 ...

ManTech

VoIP Systems Engineer

Mclean, VA

$165K - $295K/yr

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 ...

VTG

Senior Network Engineer

Chantilly, VA · Hybrid

$107K - $147K/yr

Overview We are seeking an experienced Senior Network Engineer to support a mission-focused ... Ruby on Rails, or similar development languages • Experience with Ansible, Puppet, Chef, or other ...

VTG

Senior Network Engineer

Chantilly, VA · On-site

$107K - $147K/yr

Overview We are seeking an experienced Senior Network Engineer to support a mission-focused ... Ruby on Rails, or similar development languages • Experience with Ansible, Puppet, Chef, or other ...

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 ...

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 ...

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 ...

WILLCOR, Inc.

Systems Engineer (Hardware)

Glen Burnie, MD · On-site

$119K - $157K/yr

Systems Engineer (Hardware) Location: Linthicum, MD Required Clearance : TS/SCI w/ CI Poly Salary ... Experience with software languages (Java, C, C++, Ruby on Rails). * Familiarity with operating ...

WILLCOR Inc

Systems Engineer (Hardware)

Glen Burnie, MD · On-site

$119K - $157K/yr

Systems Engineer (Hardware) Location: Linthicum, MD Required Clearance : TS/SCI w/ CI Poly Salary ... Experience with software languages (Java, C, C++, Ruby on Rails). * Familiarity with operating ...

inTALENTgent

Senior Applications Developer

Herndon, VA

$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 ...

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Senior Ruby On Rails Engineer information

See Washington, DC salary details

$107.6K

$178.6K

$224.8K

How much do senior ruby on rails engineer jobs pay per year?

As of Jul 14, 2026, the average yearly pay for senior ruby on rails engineer in Washington, DC is $178,638.00, according to ZipRecruiter salary data. Most workers in this role earn between $161,400.00 and $198,800.00 per year, depending on experience, location, and employer.

What does a Senior Ruby on Rails Engineer do?

A Senior Ruby on Rails Engineer is responsible for designing, developing, and maintaining web applications using the Ruby on Rails framework. They lead technical projects, write clean and efficient code, and often mentor junior developers. Their duties also include optimizing application performance, ensuring code quality through reviews and testing, and collaborating with cross-functional teams to deliver robust solutions. Senior engineers are expected to have deep expertise in Rails and related technologies, along with strong problem-solving skills.

What is the difference between Senior Ruby On Rails Engineer vs Ruby On Rails Developer?

AspectSenior Ruby On Rails EngineerRuby On Rails Developer
Experience LevelTypically 5+ years, with leadership responsibilitiesUsually 1-3 years, focused on coding and feature development
ResponsibilitiesArchitecting solutions, mentoring, overseeing projectsImplementing features, fixing bugs, writing code
Skills & CertificationsAdvanced Ruby on Rails, system design, team managementProficient in Ruby on Rails, basic system understanding
Work EnvironmentCollaborates with cross-functional teams, often in tech companiesFocuses on development tasks, often in startups or tech firms

While both roles require strong Ruby on Rails skills, Senior Ruby On Rails Engineers typically have more experience, leadership duties, and strategic responsibilities compared to Ruby On Rails Developers, who primarily focus on coding and feature implementation.

Is Ruby on Rails still used in 2026?

Ruby on Rails remains a popular web development framework for senior Ruby on Rails engineers, especially for building scalable and maintainable applications. While newer technologies have emerged, Rails continues to be actively maintained and widely adopted in startups and established companies, making it relevant for developers with expertise in Ruby, MVC architecture, and related tools. Staying updated with the latest Rails versions and best practices is important for job relevance in 2026.

What are the key skills and qualifications needed to thrive as a Senior Ruby On Rails Engineer, and why are they important?

To thrive as a Senior Ruby On Rails Engineer, you need deep expertise in Ruby, Rails, web development best practices, and experience with databases, typically supported by a relevant degree or substantial industry experience. Familiarity with version control systems like Git, CI/CD pipelines, testing frameworks (RSpec, Minitest), and cloud platforms is essential, along with knowledge of front-end technologies. Strong problem-solving skills, effective communication, and the ability to mentor junior developers make someone stand out in this role. These skills ensure high-quality, scalable applications and effective collaboration within fast-paced development teams.

How does a Senior Ruby on Rails Engineer typically collaborate with product managers and designers during the software development lifecycle?

As a Senior Ruby on Rails Engineer, you'll work closely with product managers and designers throughout the development process. You'll participate in planning meetings to clarify requirements and offer technical insights, collaborate with designers to ensure feasibility and scalability of UI/UX designs, and provide regular feedback on how features are implemented. Effective communication and a proactive approach to problem-solving are key, as you'll help bridge the gap between technical constraints and product vision, ensuring successful and timely feature delivery.

How much does a senior Ruby on Rails developer make?

A senior Ruby on Rails engineer typically earns between $100,000 and $150,000 annually, depending on experience, location, and company size. They often possess strong skills in web development, database management, and version control tools like Git.

Is Ruby on Rails still in demand?

Ruby on Rails remains in demand for web development, especially in startups and companies valuing rapid development and maintainability. Many organizations seek experienced Rails developers familiar with modern tools like Docker and cloud deployment, ensuring ongoing job opportunities for senior Ruby on Rails engineers.

What engineer makes $500,000 a year?

Senior Ruby on Rails engineers with extensive experience, specialized skills, and working in high-paying industries or companies can earn salaries approaching or exceeding $500,000 annually, especially when including bonuses and stock options. Such compensation typically requires a combination of technical expertise, leadership roles, and working in competitive markets or large tech firms.
Senior Ruby On Rails Engineer jobs near you
Telephony Engineer

Telephony Engineer

ManTech International

Mclean, VA • On-site

$165K - $295K/yr

Full-time

Medical, Life, Retirement, PTO

This job post has expired today. Applications are no longer accepted.

ManTech rating

9.0

Company rating: 9.0 out of 10

Based on 14 frontline employees who took The Breakroom Quiz

30th of 209 rated software companies

Job description

General information
Requisition #
R67420
Locations
USA-VA-McLean
Posting Date
04/29/2026
Security Clearance Required
TS/SCI w/ Poly
Remote Type
Onsite
Time Type
Full time
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.

The projected compensation range for this position is $165,900.00-$295,300.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.
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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