Full Stack Web Developer at CACI International Aurora, CO

CACI International; Aurora (CO); On-site; USD 76,000 - 155,700; Full time

Job summary

CACI International in Aurora, CO is seeking a Full Stack Web Developer to build responsive, scalable web applications and backend services, spanning the full development lifecycle from concept to deployment. The role requires a TS/SCI clearance and up to 10% travel, with responsibilities across design, API development, and database design.

You will work with React.js on the frontend, Flask or Express.js on the backend, and PostgreSQL for data management.

Qualifications

• BS in Computer Science, Software Engineering, Computer Engineering, or related field.
• 5+ years of web development experience.
• Strong proficiency with React.js and modern JavaScript/TypeScript.
• Experience building backend APIs with Flask (Python) and Express.js (Node.js).
• Proficiency in Python, HTML5, CSS3, TypeScript, and JavaScript.
• Experience with PostgreSQL and writing efficient SQL queries.
• Strong understanding of RESTful API design principles.
• Experience with Git and collaborative development workflows.
• Active TS/SCI clearance.

Responsibilities

• Design and develop modern web applications using React.js for the frontend and Flask or Express.js for the backend.
• Build and maintain RESTful APIs that power our applications and integrate with various data sources.
• Implement responsive user interfaces using HTML5, CSS3, and modern JavaScript frameworks.
• Work with PostgreSQL databases to design schemas, optimize queries, and ensure data integrity.
• Collaborate with UX/UI designers to translate wireframes and mockups into functional code.
• Participate in code reviews and implement best practices for version control using Git.
• Debug issues across the entire stack and propose solutions to improve application performance.
• Contribute to technical documentation to support knowledge sharing and maintenance.

Skills

React.js

JavaScript/TypeScript

RESTful API design

Python

Team collaboration

Problem solving

Strong communication

TS/SCI clearance

Education

B.S. in Computer Science or related field

Tools

Flask

Express.js

PostgreSQL

Git

HTML5/CSS3

Job description

Full Stack Web Developer – CACI International, Aurora, CO. Full‑time position requiring a TS/SCI clearance and up to 10% travel.

The role involves building responsive, scalable web applications and backend services, managing the full development lifecycle from concept to deployment.

Responsibilities

• Design and develop modern web applications using React.js for the frontend and Flask or Express.js for the backend.
• Build and maintain RESTful APIs that power our applications and integrate with various data sources.
• Implement responsive user interfaces using HTML5, CSS3, and modern JavaScript frameworks.
• Work with PostgreSQL databases to design schemas, optimize queries, and ensure data integrity.
• Collaborate with UX/UI designers to translate wireframes and mockups into functional code.
• Participate in code reviews and implement best practices for version control using Git.
• Debug issues across the entire stack and propose solutions to improve application performance.
• Contribute to technical documentation to support knowledge sharing and maintenance.

Required Qualifications

• B.S. in Computer Science, Software Engineering, Computer Engineering, or a related field.
• 5+ years of professional experience in web development.
• Strong proficiency with React.js and modern JavaScript/TypeScript development.
• Experience building backend APIs with Flask (Python) and Express.js (Node.js).
• Proficiency in Python, HTML5, CSS3, TypeScript, and JavaScript.
• Experience with PostgreSQL and writing efficient SQL queries.
• Strong understanding of RESTful API design principles.
• Experience with version control systems (Git) and collaborative development workflows.
• Problem‑solving mindset with attention to detail and code quality.
• Strong communication skills and ability to work effectively in a team environment.
• Active TS/SCI clearance.

Desired Qualifications

• Experience with GitLab CI/CD pipelines and DevOps workflows.
• Knowledge of Docker containerization and deployment strategies.
• Familiarity with WebSockets for real‑time communication.
• Knowledge of the Tailwind CSS framework.
• Experience with ORM libraries (e.g., SQLAlchemy, Prisma, Drizzle).
• Experience with TanStack tools (Router, Query, Forms).
• Experience with Redis for caching and session management.
• Understanding of web security best practices.
• Experience with automated testing frameworks for both frontend and backend.
• Knowledge of cloud platforms (AWS, Azure, GCP).

Salary range: $76,000 - $155,700 USD.

CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.