Senior Principal Software Developer
Job in
Saint Louis, St. Louis city, Missouri, 63127, USA
Listed on 2026-09-27
Listing for:
CACI International
Full Time
position Listed on 2026-09-27
Job specializations:
-
Software Development
Software Engineer, Full Stack Developer, Java Developer, Backend Developer
Job Description & How to Apply Below
Senior Principal Software Developer
Job Category:
Information Technology
Time Type:
Full time
Minimum Clearance Required to Start:
Top Secret
Employee Type:
Regular
Percentage of
Travel Required:
None
Type of Travel:
Local
* *
* *
* The Opportunity:
*
* CACI is seeking a experienced Senior Principal Software Developer to support a mission-critical program for the National Geospatial-Intelligence Agency (NGA). In this role, you will utilize well-defined software processes, such as Agile, to work as part of a development team in a rapid development environment. You will design, code, and unit test front-end and back-end solutions for integrated systems, develop integration code to connect systems and services, and build solutions that promote interoperability through open standards and service-based architectures.
This position offers the opportunity to directly support national security missions in a fast-paced environment.
** Responsibilities:*
* · Utilize well-defined software processes, such as Agile, to work as part of a development team in a rapid development environment
· Design, code, and unit test front-end and back-end solutions for integrated systems using languages and packages such as HTML, CSS, C++, C#, Java, and Java Script
· Develop integration code to connect and interface systems and services
· Develop solutions that utilize open standards and Interface Control Documents (ICDs) to promote interoperability through service-based architectures
· Support the development and configuration of database systems
· Analyze, fix, and document Discrepancy Reports (DRs) on systems
· Participate in code reviews, sprint planning, and other Agile ceremonies to support team delivery goals
· Coordinate with program stakeholders to ensure development work aligns with business and technical requirements
*
* Qualifications:
*
* _
Required:
_
· Active Top Secret clearance with the ability to obtain/maintain SCI and polygraph
· Bachelor's degree in any field/major, or 7 additional years of relevant information technology experience in lieu of degree
· Experience using languages and packages such as HTML, CSS, C++, C#, Java, and Java Script
· Experience designing, coding, and unit testing front-end and back-end solutions for integrated systems
_Desired:_
· Technical certification such as Network+, Security+, Oracle, or a certification specializing in software development or cloud computing
· Certified AWS Solutions Architect (Associate or higher) or equivalent AWS certification
· Experience with Momentum Financials (Unison/CGI) systems
· Experience supporting NGA or other NGA/IC customer environments specifically
- ** 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,…
Position Requirements
10+ Years
work experience
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