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Senior Ruby On Rails Developer Jobs in Germantown, MD

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

... DevOps practices. What will you do? • Design, implement, and maintain network and cloud ... Ruby on Rails, or similar development languages • Experience with Ansible, Puppet, Chef, or other ...

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 ...

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 ...

VTG

Senior Network Engineer

Chantilly, VA · On-site

$107K - $147K/yr

... DevOps practices. What will you do? • Design, implement, and maintain network and cloud ... Ruby on Rails, or similar development languages • Experience with Ansible, Puppet, Chef, or other ...

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 ...

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 ...

Veredus - DC

Jr. DataBase Developer

Washington, DC

$75K - $98K/yr

Experience with Ruby on Rails JRUBY, Java JBOSS, Tourquebox Business Intelligence and Data ... Candidates with Engineering, Computer Science or related field preferred or related field plus 3+ ...

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Senior Ruby On Rails Developer information

See Germantown, MD salary details

$96K

$159.4K

$200.6K

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

As of Jul 14, 2026, the average yearly pay for senior ruby on rails developer in Germantown, MD is $159,383.00, according to ZipRecruiter salary data. Most workers in this role earn between $144,000.00 and $177,300.00 per year, depending on experience, location, and employer.

Is Ruby on Rails still in demand?

Ruby on Rails developers are still in demand, especially for startups and companies using the framework for web application development. The framework's simplicity and strong community support contribute to ongoing job opportunities, though demand may vary by region and industry trends.

What is a Senior Ruby On Rails Developer job?

A Senior Ruby on Rails Developer is an experienced software engineer specializing in building, maintaining, and optimizing web applications using the Ruby on Rails framework. They are responsible for writing clean, efficient code, designing application architecture, and ensuring performance and scalability. Senior developers also mentor junior team members, collaborate with cross-functional teams, and implement best practices in development, testing, and deployment. Their role often includes problem-solving, debugging complex issues, and staying updated with the latest industry trends.

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

To thrive as a Senior Ruby On Rails Developer, you need deep expertise in Ruby, Rails frameworks, object-oriented programming, and web application architecture, often supported by a bachelor's degree in computer science or related experience. Familiarity with development tools such as Git, PostgreSQL, Docker, RSpec, and cloud platforms, as well as relevant certifications, can enhance your effectiveness. Exceptional problem-solving, leadership, and communication skills help you mentor team members and coordinate with stakeholders. These competencies are critical to creating robust, scalable applications and contributing to both technical excellence and team success.

What are typical daily responsibilities for a Senior Ruby On Rails Developer?

As a Senior Ruby On Rails Developer, your day-to-day tasks typically include designing and developing new features, maintaining and optimizing existing codebases, conducting code reviews, and integrating third-party APIs. You will often collaborate closely with product managers, UI/UX designers, and other engineers to ensure smooth project delivery and uphold best practices within the team. Additionally, you may mentor junior developers, troubleshoot complex technical issues, and contribute to architectural decisions. This multifaceted role offers both technical challenge and the opportunity to drive meaningful impact within your organization.

What is the salary of Ruby on Rails developer?

The salary of a Ruby on Rails developer varies based on experience, location, and company size, but typically ranges from $80,000 to $130,000 annually in the United States. Senior developers with extensive skills in Rails, database management, and front-end integration tend to earn higher salaries, especially in tech hubs or competitive markets.

How much does a senior Ruby on Rails developer make?

A senior Ruby on Rails developer 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.
What job categories do people searching Senior Ruby On Rails Developer jobs in Germantown, MD look for? The top searched job categories for Senior Ruby On Rails Developer jobs in Germantown, MD are:
What cities near Germantown, MD are hiring for Senior Ruby On Rails Developer jobs? Cities near Germantown, MD with the most Senior Ruby On Rails Developer job openings:
Senior Ruby On Rails Developer 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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