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Ruby on Rails Developer
Apertus Partners | Arlington, Virginia
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Job Description

Apertus Partners is an Economically Disadvantaged Woman Owned Small Business, headquartered in Leesburg, VA HUBZone. We provide IT managed services, and contracting support in both the federal and commercial space.

Clear. Concise. Results.

Our client is currently seeking a Ruby on Rails Developer for their federal project in Crystal City, VA.

Project Overview:

As a Full-Stack Ruby on Rails Developer, you will be an integral member of a small technology team working on internal and external facing applications and tools. The Full-Stack Ruby on Rails Developer supports the improvement of their existing products and helps create their next generation.

Successful candidates have a passion for developing applications that end-users love, are comfortable with independent and collaborative work, and are at home in a small organization where they can make a real difference. Candidates should be prepared to share example of code they have developed and be willing to take a coding test.

Position Description:

Their team develops tools for internal operations as well as public facing sites, and places a string emphasis on user experience and business analytics. They value innovation, transparency, testing and continuous improvement. Our client encourages healthy discussion and different perspectives while uniting around decisions once made.


  • Design and implement reliable and robust middle-tiers services
  • Analyze and improve existing front end applications and propose improvement solutions
  • Work closely with other engineers to define requirements and implement highly maintainable web applications and platforms
  • Conduct system integration testing
  • Design and implement reusable UX components and styles
  • Support deployment and release management
  • Provide transparency and working progress on deliverables
  • Identify metrics to measure system health and performance
  • Work with product and design teams to flush out technical considerations of user requirements and stories.


  • Knowledge in identifying and managing potential project risks and challenges
  • Knowledge in REST API design concepts and JSON/XML
  • Good understanding of Authentication and Authorization mechanisms, such as, oAuth, SAML, LDAP, OpenID Connect, etc
  • Experience with integrating service-oriented and microservice architecture
  • Good understanding of Ruby on Rails components and Ruby gems including Rack, Nokogiri loading mechanism, configuration, Active-ecosystem (Active Model, Active Support, Active Record etc), Action Pack, Railties etc
  • Experience in using a Javascript frameworks such as: React, AngularJS, Backbone, Node.js etc
  • Experience in User Centric, web responsive frameworks such as Bootstrap, JQuery, HTML, CSS, Ajax etc
  • Strong experience in databases such as Oracle, PostgreSQL
  • Good knowledge on web app servers like passenger and nginx and web application servers like Unicorn to host Ruby on Rails applications
  • Able to show pride and ownership of work and help others to achieve the same
  • Excellent organizational and communication skills
  • Demonstrated teamwork skills with a solid analytical background
  • UNIX fundamentals

Additional Requirement:

U.S. Citizen is required for the position. Candidate must successfully pass a Federal Background Investigation, Active Public Trust Clearance or the ability to obtain one.


Applicants must be eligible to work in the specified location

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