Senior Full-Stack Web Developer - TS/SCI Clearance

CACI International; Denver (CO); On-site; USD 82,000 - 172,000; Full time

Job summary

CACI International is seeking a Full Stack Web Developer to join our engineering team in a national security focus. You will design, develop, and maintain frontend and backend components, implement RESTful APIs, and ensure performance and security across the stack.

You’ll work in an agile environment with opportunities to learn new technologies and contribute to innovative solutions, leveraging React.js, Flask, Express.js, PostgreSQL, and Git within a fast-paced team.

Qualifications

• B.S. in Computer Science, Software Engineering, or related field.
• 5+ years of professional web development experience.
• Strong proficiency with React.js and modern JavaScript/TypeScript.
• Experience building backend APIs with Flask (Python) and Express.js (Node.js).
• Proficient in Python, HTML5, CSS3, TypeScript, and JavaScript.
• Experience with PostgreSQL and writing efficient SQL queries.
• Understanding of RESTful API design principles.
• Version control with Git and collaborative workflows.

Responsibilities

• Design and develop modern web applications using React.js for frontend and Flask/Express.js for backend services.
• Build and maintain RESTful APIs powering applications and data sources.
• Implement responsive user interfaces with HTML5, CSS3, and modern JavaScript.
• Work with PostgreSQL databases to design schemas and optimize queries.
• Collaborate with UX/UI designers to translate wireframes into code.
• Participate in code reviews and adopt Git-based workflows.
• Debug issues across the stack and improve performance.
• Contribute to technical documentation for knowledge sharing.

Skills

React.js

TypeScript

JavaScript

Python

RESTful APIs

Team collaboration

Education

B.S. in Computer Science, Software Engineering, or related field

Tools

Flask

Express.js

PostgreSQL

Git

Docker

SQLAlchemy

Tanstack Tools

Redis

Job description

CACI International is seeking a Full Stack Web Developer to join our engineering team in a national security focus. You will design, develop, and maintain frontend and backend components, implement RESTful APIs, and ensure performance and security across the stack.

You’ll work in an agile environment with opportunities to learn new technologies and contribute to innovative solutions, leveraging React.js, Flask, Express.js, PostgreSQL, and Git within a fast-paced team.