> Markdown version of [/jobs/ext/611789-principal-software-engineer](https://www.wearedevelopers.com/jobs/ext/611789-principal-software-engineer). 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).

---

# Principal Software Engineer

- **Company:** Fmr LLC
- **Location:** Smithfield, RI, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** JavaScript (Programming Language), Agile Methodology, Apache Tomcat, Applications Architecture, Cascading Style Sheets (CSS), Code Coverage, Software Design Patterns, Java Platform Standard Edition (J2SE), Apache Maven, Node.Js, Object-Oriented Software Development, TypeScript, RxJS, Spring-mvc, Spring-boot, Software Security, Backend, AngularJS, Npm(Software), Software Coding, Restful APIs, Jasmine
- **Published:** June 18, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=4e049509e003a402

## About the Role

Do you have experience in Developing and maintaining backend systems?, * Digital experience engineering 7+ years of experience

 * BS/BA Degree or equivalent experience preferred
 * Demonstrated experience in communicating technical designs and capabilities to non-technical team members, product owners, and partners
 * Experience collaborating in a team environment to architect, develop, and support key applications and features
 * A demonstrable understanding of the Agile software development methodology
 * Relevant knowledge of modern application architecture patterns and emerging technologies
 * Appreciation for and alignment to standard methodologies regarding object-oriented design, coding standards, RESTful service consumption and integration, common design patterns, secure application development, and test coverage
 * Proficiency with server-side/mid-tier languages, frameworks, libraries, and related technologies: Java SE, Apache Tomcat, Spring MVC/Spring Boot, Logback, SLF4j, Maven
 * Client-side language, library, and framework proficiency: Angular 8, JavaScript/TypeScript, Node, NPM, HTML/CSS, RxJS, Jasmine/Karma

## Description

We are looking for a Principal Full Stack Engineer to join us!


## Related Videos

- [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape)
- [How to Create New RxJS Operators](https://www.wearedevelopers.com/videos/683-how-to-create-new-rxjs-operators)
- [Yes, You Need to Unit Test your JavaScript. Here's How.](https://www.wearedevelopers.com/videos/439-yes-you-need-to-unit-test-your-javascript-here-s-how)
- [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock)
- [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean)
- [But, you're not Facebook](https://www.wearedevelopers.com/videos/378-but-you-re-not-facebook)

## Related Articles

- [Top 10 Java Libraries](https://www.wearedevelopers.com/magazine/364-top-10-java-libraries)
- [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know)
- [The 7 Most Popular Backend Frameworks for Developers](https://www.wearedevelopers.com/magazine/403-the-7-most-popular-backend-frameworks-for-developers)
- [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023)
- [The Best Software Developer Blogs to Read](https://www.wearedevelopers.com/magazine/156-the-best-software-developer-blogs-to-read)
- [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)