Application Engineer (Backend)
CACI International· enterprise· Defense· Apr 22, 2026 · 6mo agoPosted 188 days ago
Linthicum, MD, US
In office
Full-time
Principal
$104K–$218K
12+ years exp
Before you apply
Ghost Signal:
Open since April 22, 2026 — 188 days, and still accepting applications.
Job description
Job Title: Application Engineer (Backend)
Job Category: Information Technology
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 innovative team as an Application Engineer (Backend) and be a key player in transforming our system security evaluation and authorization process. We are shifting from a manual approach to a cutting-edge model that leverages automation, streamlined processes, continuous monitoring, and comprehensive network data gathering. This is your chance to make a significant impact on our enterprise security and contribute to a dynamic, forward-thinking environment.
Responsibilities
Develop, test, deploy, and maintain various Python-based REST endpoints, microservices, and data model management capabilities using Django and Flask frameworks.
Interact with data models stored in MariaDB or MongoDB and deliver data in JSON format to UI front ends upon request.
Provide middleware and backend support for all system applications.
Collaborate with cross-functional teams to ensure seamless integration and optimal performance of backend services.
Required Qualifications
Active TS/SCI w/ Polygraph
Education and Experience
High School Diploma/GED: Minimum of 12 years of technical experience
Associate’s Degree: Minimum of 10 years of technical experience
Bachelor’s Degree: Minimum of 8 years of technical experience
Master’s Degree: Minimum of 6 years of technical experience
Doctorate’s Degree: Minimum of 4 years of technical experience
All degrees and diplomas must be from accredited institutions, and experience must be directly related to the technical labor category.
Proficiency in Python
Experience with Docker
Expertise in Django or Flask
Database experience with MongoDB or MariaDB
REST endpoint development skills
Understanding of the microservice model
Desired Qualifications
Experience with AWS or other cloud platforms
Knowledge of JSON and/or XML serialization
Familiarity with Jira and Confluence
Proficiency in Git version control
Experience working in an Agile environment
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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:
$103,800 - $218,100
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.
Application prep
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Keywords to mirror
pythonrestdockerawsjiraagile
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