> Markdown version of [/jobs/ext/4649273-senior-principal-software-developer](https://www.wearedevelopers.com/jobs/ext/4649273-senior-principal-software-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Senior Principal Software Developer

- **Company:** Caci Inc
- **Location:** Sunset Hills, MO, United States
- **Experience:** Expert
- **Salary:** $105,100 - $231,100
- **Contract:** Permanent contract
- **Skills:** Testing (Software), HTML, Java (Programming Language), JavaScript (Programming Language), Agile Methodology, Amazon Web Services, Unit Testing, C Sharp (Programming Language), C++ (Programming Language), Cascading Style Sheets (CSS), Cloud Computing, Interoperability, Oracle (Applications), Rapid Application Development, Software Engineering, Systems Integration, Backend, Information Technology
- **Published:** November 9, 2026
- **Apply:** https://www.careerbuilder.com/job-details/senior-principal-software-developer-sunset-hills-mo--de8fdf2e-3239-42ad-9fc2-06ee5a7f2f64

## About the Role

Software Development, Willing to Travel, Unit Test, Agile Programming Methodologies, Rapid Application Development (RAD), System Integration (SI), Interoperability, Intelligence Agencies, Software Testing, Software Development, · Coordinate with program stakeholders to ensure development work aligns with business and technical requirementsQualifications: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 JavaScript

· Experience designing, coding, and unit testing front-end and back-end solutions for integrated systemsDesired:· 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