Leidos

Job Summary
We’re looking for a versatile Full Stack Developer to join our federal‐sector team, focusing primarily on React with supporting Ruby on Rails expertise. You’ll partner with cross-functional colleagues to architect, build, and maintain responsive web applications and APIs throughout the full software lifecycle. This role requires strong communication skills, a proactive problem-solving mindset, and U.S. citizenship (for clearance).

Clearance

• Public Trust (must be a U.S. citizen able to pass background investigation)

Responsibilities

• React Front-End
• Create and enhance user-friendly interfaces using React, React Hooks, Context API, and memoization.
• Manage application state and async data flows with Redux/RTK Query.
• Implement styles via modern CSS techniques and established design systems.
• Rails Back-End
• Design, develop, and maintain scalable RESTful APIs in Ruby on Rails.
• Integrate server-side logic with front-end components and external services.
• General Software Engineering
• Write clear, maintainable, and well-tested code (RSpec, MiniTest, Cypress, Jest).
• Participate in Agile rituals: sprint planning, standups, demos, retrospectives.
• Troubleshoot performance issues and bugs across the stack.
• Document architecture decisions, coding standards, and technical processes.
• Conduct and contribute to peer code reviews.

Required Qualifications

• 3+ years of professional software development experience
• Proven track record building and deploying React applications end-to-end
• Hands-on experience developing and consuming Rails-based APIs
• Strong knowledge of HTML5, CSS3, JavaScript/TypeScript
• Familiarity with version control (Git) and Agile/Scrum workflows
• Demonstrated test-driven development skills (Jest, RSpec, Cypress)
• Excellent written and verbal communication; collaborative team player
• U.S. citizenship and eligibility for Public Trust clearance

Preferred Qualifications

• Prior use of Formik and Yup for form handling in React
• Experience leveraging RTK Query for data fetching/state management
• Background with CI/CD pipelines and automated deployment
• Working knowledge of Splunk or similar log-analysis/debugging tools
• Understanding of web accessibility standards and performance tuning
• Federal agency experience (USCIS, DHS, etc.) is a plus

Job Type: Full-time

Pay: Up to $140,000.00 per year

Benefits:

• 401(k)
• 401(k) matching
• Dental insurance
• Flexible schedule
• Health insurance
• Paid time off
• Vision insurance

Compensation Package:

• Yearly bonus
• Yearly pay

Schedule:

• 8 hour shift

Application Question(s):

• Are you a US Citizen(sponsorship not available)?

Experience:

• React: 3 years (Required)
• Ruby on Rails: 3 years (Required)

Work Location: Remote