Senior Software Engineer

CACI International Inc; Sterling (VA); On-site; USD 130,000 - 176,000; Full time

Job summary

CACI International Inc. in Sterling, VA seeks a Senior Software Engineer to design and deliver full‑stack applications powering mission‑critical systems.

You will lead development, define technical direction, and collaborate with cross‑functional teams across the lifecycle from concept to deployment. The role requires 7+ years of experience, strong cloud, DevOps, and security expertise, plus eligibility for TS clearance.

Qualifications

• 4 year degree or equivalent software experience.
• 7+ years of software development experience.
• Experience with commercial cloud technologies (AWS GovCloud).
• Proficiency with Java, JavaScript, HTML, HTML5, CSS, Groovy, Grails, Angular.
• Knowledge of Python and Java.
• Understanding of SaaS, microservices, containerization, security principles.
• Experience with DevOps tools (Nexus, Jenkins, Docker).
• Experience leading Agile and supporting mission-critical systems.

Responsibilities

• Design, develop, and maintain full-stack web applications and backend services.
• Lead software architecture discussions and technical direction.
• Build RESTful APIs and responsive user interfaces.
• Collaborate across engineering, PM, and customers to implement roadmaps.
• Deploy and operate mission-critical systems with DevOps practices and high uptime.
• Participate in code reviews and drive reliability improvements.
• Translate customer needs into technical requirements and BOEs.

Skills

Agile methodologies

DevOps practices

Security principles

Object-oriented design

Cloud technologies

Education

4 year degree or equivalent experience

Tools

AWS

Java

JavaScript

HTML/CSS

Groovy/Grails

Angular

Python

Docker

Job description

Job Title: Senior Software Engineer

Job Category: Engineering

Time Type: Full time

Minimum Clearance Required to Start: Top Secret

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Continental US

The Opportunity

We are seeking a Senior Software Engineer to join our growing team based in Sterling, VA or Carry, NC. You will serve as a key member of our development team, building responsive, scalable, and high-performance applications that solve complex challenges in the field of counter unmanned systems (C-UxS) detection and mitigation.

As a Senior Software Engineer, you will be responsible for creating the vision and strategy for different products and solutions with an emphasis in infrastructure, capabilities, and sustainability.

We support product development and solutions across a variety of mission-critical systems deployed around the world. As a Senior Software Engineer, you will be responsible for the full development lifecycle, from conceptualization through deployment, creating software-focused products with a strong customer-driven mentality that addresses evolving mission demands.

Responsibilities

You will work with cross-functional teams to design, develop, and maintain modern web applications and backend services that power our mission-critical systems. Your work will drive product vision and technical direction while ensuring performance, reliability, and security.

• Design and develop full-stack web applications while providing technical leadership on software architecture and improvements
• Build and maintain RESTful APIs and responsive user interfaces
• Build relationships across CACI ASG engineering teams, program management, and customers to execute software lifecycles and communicate technical designs and roadmaps
• Lead business readiness activities and collaborate with UX/UI designers to translate designs into functional, production-ready code
• Deploy and maintain mission-essential systems using DevOps tools, containerization technologies, and Git best practices while ensuring high uptime and performance
• Debug full-stack issues, participate in code reviews, and implement solutions to improve application reliability and performance
• Conduct usability research and market analysis to translate customer needs into technical requirements and basis of estimates (BOEs)

Qualifications

• 4 year degree or equivalent experience
• 7+ years of software development experience
• Experience developing applications for commercial cloud technologies (E.g. AWS C2E, GovCloud)
• Familiarity and Experience with Web Development Technologies – Java, JavaScript, HTML, HTML5, CSS, Groovy, Grails, Angular
• Familiarity and Experience with Backend Development Technologies – General knowledge of Python and Java language
• Familiarity and Experience with general Software concepts – Software as a Service, Microservices, Containerization, Cross-browser compatibility, Web User Interface Design, Security Principles, Object-Oriented Design, Web Services
• Strong understanding of deploying software using common DevOps tools (Nexus, Artifactory, Jenkins, Harbor, Docker, etc...)
• Experience ingesting requirements and generating basis of estimates (BOEs) for work
• Experience leading and/or integrating Agile methodologies
• Experience supporting mission-essential systems with high uptime requirements

There is a Top Secret clearance requirement to begin employment. In addition, as a requirement of continued employment in this position you will be required to obtain a TS/SCI clearance.

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

$98,500-$206,800

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.