Senior UI Application Engineer

CACI International; Linthicum (MD); On-site; USD 130,000 - 238,000; Full time

Job summary

CACI International in Linthicum, MD is seeking a Senior UI Application Engineer to design, develop, test, and sustain modern web interfaces using Angular 14+ for secure enterprise workflows. You will build intuitive dashboards and integrate REST APIs to present complex data clearly.

The role requires hands‑on experience with TypeScript/JavaScript, strong UI leadership, and a TS/SCI w/ Polygraph clearance, with opportunities to work on cutting‑edge web technologies that support national security

Qualifications

• Active TS/SCI w/ Polygraph.
• Proficiency in TypeScript/JavaScript and Angular framework.
• Experience building data‑driven UI dashboards.
• Strong CSS skills for polished UI presentation.

Responsibilities

• Develop, test, deploy, and sustain web applications using Angular 14+.
• Create SPA dashboards visualizing data from REST endpoints.
• Build UI mockups and prototypes for new features.
• Integrate UI components with backend services and ensure accurate data handling.
• Enhance UI aesthetics and user experience with CSS.

Skills

TypeScript/JavaScript

Angular

UI leadership

JSON structures

CSS

Tools

Jira

Confluence

AWS

MongoDB

Balsamiq

Job description

Job Title: Senior UI Application Engineer

Job Category: Engineering

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI with Polygraph

Employee Type: Regular

Percentage of Travel Required: None

Type of Travel: None

* * *

The Opportunity

Join our team as an Application Engineer (UI) supporting the Secure the Enterprise initiative. In this role, you will help modernize and automate the system security evaluation and authorization process. You’ll build intuitive, data‑driven user interfaces that simplify workflows, enhance visibility across projects, and advance our mission of continuous monitoring and streamlined approvals. This is a chance to contribute to impactful, enterprise‑level solutions while working with cutting‑edge web technologies.

Responsibilities

• Develop, test, deploy, and sustain web‑based applications using Angular 14+.
• Build clean, modern single‑page application (SPA) dashboards that visualize complex data from ReST endpoints.
• Create UI mockups and prototypes to support new development efforts.
• Integrate UI components with backend services, ensuring accurate request/response handling and effective data presentation.
• Enhance application look and feel using CSS, ensuring a polished and user‑friendly experience.

Qualifications:

Required:

• Active TS/SCI w/ Polygraph
• Education & Experience
• Proficiency in TypeScript/JavaScript.
• Proven UI technical leadership experience.
• Hands‑on expertise developing user interfaces with the Angular Framework.
• Experience analyzing JSON structures and working with ReST APIs.
• Strong skills with CSS for UI styling and presentation.

Desired:

• Experience with Jira and Confluence.
• Familiarity with Agile methodologies or SAFe.
• Exposure to AWS, MongoDB, and tools such as Balsamiq.

What You Can Expect:

A culture of integrity.

At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.

An environment of trust.

CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth.

Together, we will advance our nation’s most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.

Pay Range :

There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.

The proposed salary range for this position is:

$113,200 - $237,800

CACI is anEqualOpportunity 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 otherprotectedcharacteristic.