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By Light Professional IT Services Logo

Back End Ruby on Rails Developer

By Light Professional IT Services

Salary not specified
Nov 14, 2025
Arlington, VA, US
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By Light Professional IT Services LLC is seeking a Ruby on Rails Developer to support the Department of Veterans Affairs customer by architecting, developing, and optimizing backend systems for web applications and multi-factor authentication on VA.gov.

Requirements

  • 3+ years of experience building and architecting application backends with Ruby on Rails.
  • 3+ years of experience working with AWS services, Git, RSpec, Postgres, and Redis.
  • Expert-level understanding of MVC architecture, testing methodologies, ORM concepts, and RESTful design principles.
  • Demonstrated ability to design and implement scalable, high-performance applications.
  • Extensive experience designing and implementing OAuth and multi-factor authentication services.
  • Experience with performance optimization and handling high-traffic applications.
  • Proven experience leading agile teams and implementing best practices for CI/CD.

Responsibilities

  • Architecting, developing, and optimizing the backend systems that power our cutting-edge web applications and multi-factor authentication on VA.gov.
  • Lead technical initiatives
  • Design and implement robust, scalable authorization mechanisms.
  • Spearhead initiatives to improve the existing codebase, focusing on maintainability, performance, and scalability.
  • Champion and implement best practices for continuous integration and continuous deployment.
  • Oversee thorough testing and debugging processes to ensure high-quality and reliable software delivery.
  • Stay at the forefront of emerging technologies and industry trends, providing strategic recommendations for improving system architecture and development processes.

Other

  • Mentor junior team members
  • Collaborate closely with cross-functional teams, including designers and stakeholders, to ensure seamless integration and deliver high-performance, scalable solutions.
  • Independently manage and prioritize multiple complex projects to meet goals without management oversight.
  • Mentor and guide junior developers, fostering a culture of technical excellence and knowledge sharing.
  • Must be able to obtain and maintain a Public trust.