> Markdown version of [/jobs/ext/3127181-full-stack-developer](https://www.wearedevelopers.com/jobs/ext/3127181-full-stack-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).

---

# Full Stack Developer

- **Company:** Nsi/synergy Ecp
- **Location:** Washington, DC, United States
- **Experience:** Expert
- **Salary:** $125,000.0 - $155,000.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), JavaScript (Programming Language), Agile Methodology, Ajax (Programming Language), Apache Tomcat, Java Platform Enterprise Edition (J2EE), Java Persistence API, WildFly (JBoss AS), PostgreSQL, Angular 2+, Software Engineering, Spring-boot, Backend, Information Technology, Atlassian Tools
- **Published:** September 28, 2026
- **Apply:** https://www.juju.com/job/16_7f5a266e1

## About the Role

Development) 2. Javascript/Ajax 3. Spring Boot & Spring Data JPA 4. Angular 14+ 5. Postgres 6. Tomcat/JBoss Optional Skillset: 1. Atlassian tools 2. Agile methodology Security Clearance requirement: Must possess active TS/SCI clearance to be considered for this role. Other Requirements: U.S. Citizenship Compensation Spotlight: For this role, our typical salary range starts at $125,000 and stretches up to $155,000. But here's the deal - we're not about capping your potential. We're committed to snapping up the best and brightest, and we're ready to put our money where our mouth is. So, if you're one of the rare exceptions to the status quo with the education, experience, and that extra something special, we're not afraid to go above and beyond to secure your talent. Because for us, it's not just about a salary. It's about the complete rewards package, the culture, and the opportunity to make a real impact. Taking Care of the People Who Take Care of The Nation

## Description

We are seeking a Senior Full Stack Developer to provide development and operations & maintenance (O&M) support for a production Java application with a Postgres backend and a Tomcat/JBoss application server. The developer will collaborate with both government and contractor teams to support all aspects of application development. What You'll Do: O&M responsibilities include gathering, analyzing, and developing enhancement specifications and requirements based on system owner input. The developer will be involved throughout the entire project lifecycle, from development to production support, including creating solution architecture for new efforts, creating new working full stack applications, upgrading existing application to latest versions, and improving performance bottlenecks. Required Qualifications: -A solid foundation in Computer Science, with either a Bachelor's or Master's degree in the field. -8 years or more of related experience Required Skillset: 1. Java (JEE


## Related Videos

- [Why Great Developers Stay Poor](https://www.wearedevelopers.com/videos/100102-why-great-developers-stay-poor)
- [Web development best practices in 2021](https://www.wearedevelopers.com/videos/280-web-development-best-practices-in-2021)
- [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock)
- [Optimizing Discovery: PostgreSQL's Role in Transforming GetYourGuide's Search](https://www.wearedevelopers.com/videos/1647-optimizing-discovery-postgresql-s-role-in-transforming-getyourguide-s-search)
- [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)
- [Discover the open source trio you didn’t expect: .NET and PostgreSQL on Linux](https://www.wearedevelopers.com/videos/2042-discover-the-open-source-trio-you-didn-t-expect-net-and-postgresql-on-linux)

## Related Articles

- [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology)
- [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)
- [Best Countries for Software Engineers](https://www.wearedevelopers.com/magazine/267-best-countries-for-software-engineers)
- [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk)
- [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023)
- [How Much Does a Software Engineer Make? Realistic Software Engineering Salaries](https://www.wearedevelopers.com/magazine/425-how-much-does-a-software-engineer-make-realistic-software-engineering-salaries)