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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Full Stack Principal Application Developer - **Company:** RTX - **Location:** United States (Remote available) - **Experience:** Experienced - **Salary:** $86,800.0 - $165,200.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), .NET Framework, Agile Methodology, Bootstrap (Software), Cascading Style Sheets (CSS), Databases, Continuous Integration, Relational Databases, JQuery, Junit, Python (Programming Language), Liquibase, MariaDB, Microsoft SQL Server, MySQL, Model View Controller (MVC), Object-Oriented Software Development, Oracle (Applications), Scaled Agile Framework, TypeScript, Web Application Frameworks, ReactJS, Backend, Xunit, Pytest, AngularJS, Front End Software Development - **Published:** August 4, 2026 - **Apply:** https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/US-VA-REMOTE/Full-Stack-Principal-Application-Developer_01863477 ## About the Role * Typically requires a University degree or equivalent experience and a minimum of 5 years of prior relevant experience, or an Advanced Degree in a related field and minimum 3 years' experience. * Front-end development experience with modern frameworks, such as Typescript (Angular, React, or similar), CSS (Bootstrap, Font Awesome, or similar), JavaScript (AngularJS, jQuery, or similar) * Back-end development experience with technologies and frameworks such as: Java, Python, .Net, MVC Frameworks, ORM's Testing Frameworks (JUnit, Pytest, XUnit or similar) * U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract, * Ability to work collaboratively and demonstrate oral/written communication skills * Proficiency in analysis and problem-solving * Experience w/ relational database management systems such as Oracle, MariaDB (MySQL), and/or SQL Server * Agile software development and CI/CD experience * Working knowledge of Object-Oriented design patterns, cloud-native architecture and database automation (eg Liquibase, EF Core Management or similar), Remote: This position currently is designated as remote. Employees who are working in Remote roles will work primarily offsite (from home) but may be expected to travel to the site location as needed. The successful candidate for this role will be required to reside and work from one of the 50 U.S. states (excluding U.S. territories). Typically requires: A University Degree or equivalent experience and minimum 5 years prior relevant experience, or An Advanced Degree in a related field and minimum 3 years experience Engineering/Other Technical Positions: Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience unless prohibited by local laws/regulations. As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. ## Description * Collaborate with teammates to develop, enhance, and support multiple applications across the organization * Work within the Scaled Agile Framework (SAFe) to deliver high-quality, scalable software solutions * Communicate ideas clearly with both technical and non-technical stakeholders, including presenting solutions in an easily understandable way * Partner with customers, solution architects, and peers to design, develop, test, deploy, and maintain technical solutions * Build a foundational understanding of the business processes behind each solution to ensure alignment with operational needs * Support teammates by helping implement technical solutions and troubleshoot issues as they arise ## Related Videos - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [How Unit Testing Saved My Career](https://www.wearedevelopers.com/videos/1642-how-unit-testing-saved-my-career) - [pytest: Simple, rapid and fun testing with Python](https://www.wearedevelopers.com/videos/213-pytest-simple-rapid-and-fun-testing-with-python) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [Navigating the Future of Junior Developers in Tech](https://www.wearedevelopers.com/videos/1280-navigating-the-future-of-junior-developers-in-tech) - [From boy scouting to redrawing the landscape](https://www.wearedevelopers.com/videos/1140-from-boy-scouting-to-redrawing-the-landscape) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe)