Senior Ruby on Rails Engineer — TS/SCI with Poly

CACI International; Chantilly (VA); On-site; USD 121,000 - 266,000; Full time

Job summary

CACI International is seeking a Senior Ruby Developer to join an AGILE development team building business applications for a government customer. You will work with HTML5, JavaScript, Bootstrap, CSS, C#.NET, SQL, Ruby on Rails, and AWS to implement business logic and refine solutions.

The role emphasizes collaboration with analysts, UI/UX, testers, and customers, plus supporting production systems and documentation. A TS/SCI with CI Poly is required.

Qualifications

• 10+ years relevant web development experience.
• Experience with basic web programming languages such as HTML, JavaScript, and CSS.
• Experience with Ruby on Rails.
• Acquire CompTIA Security+ Certification within first 6 months.
• Knowledge of web development principals, techniques, languages, and standard programming styles and conventions.
• Bachelor’s Degree or higher in Computer Science, Information Systems, or similar.
• Ability to manage multiple priority tasks.
• Self-motivated task identification.
• An active TS/SCI clearance with CI Polygraph.

Responsibilities

• Research, design, develop and/or modify software systems (e.g., custom, COTS, GOTS).
• Work closely with business analysts, UI/UX developers, and subject matter experts to understand functional requirements.
• Develops cost estimates for software development and enhancements and conducts impact analysis for software changes.
• Adheres to program configuration change control standards.
• Presents ideas for system improvements.
• Produces detailed specifications, writes software code, and conducts unit testing.
• Writes interfaces and conversion routines leveraging web APIs.
• Supports formal testing in controlled environment before code is promoted to production.
• Provides input into training manuals for users.
• Maintains knowledge of feature and technical changes in the application.

Skills

HTML

JavaScript

CSS

Ruby on Rails

C#.NET

Bootstrap

AWS

Python

10+ years web development

Agile software development

Education

Bachelor’s Degree or higher in Computer Science / Information Systems

Tools

SQL

AWS DevOps

Job description

CACI International is seeking a Senior Ruby Developer to join an AGILE development team building business applications for a government customer. You will work with HTML5, JavaScript, Bootstrap, CSS, C#.NET, SQL, Ruby on Rails, and AWS to implement business logic and refine solutions.

The role emphasizes collaboration with analysts, UI/UX, testers, and customers, plus supporting production systems and documentation. A TS/SCI with CI Poly is required.