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Senior Full Stack Software Engineer

Synergy ECP · Washington, DC

Extracted from the posting

Base
$125,000 – $155,000
Remote
On-site
Visa
U.S. citizenship required
Stack
Java, React, TypeScript, JavaScript

Senior full stack engineer supporting development of the FBI FDP system on a Postgres, Java, and React stack. Works with an existing team to deliver features for MVP release, including front-end and back-end components, code reviews, and CI/CD pipelines.

NetServices (NSI) is an IT services firm with a long-standing reputation for delivering high-quality, cost-effective solutions to drive lasting results. Now operating as a subsidiary of Synergy ECP, NSI continues to stand out in a crowded contracting landscape through its agility, strong customer focus, and commitment to retaining exceptional talent. By taking on challenging IT initiatives, we cultivate our talent and are continually evolving through our partnerships with clients. Our close-knot team of highly cleared engineers, analysts, and program managers represent some of the best talent locally available.


The

Senior Full Stack Software Engineer

will support the development of the FBI FDP system using a Postgres/Java/React technology stack. These engineers will work with an existing development team to deliver features and capabilities required for MVP release. The ideal candidate will have proven experience delivering large-scale enterprise applications from concept through deployment.

Key Responsibilities:

• Design, develop, implement, test, and maintain front-end and back-end application components.

• Integrate components, create new custom capabilities, and make modifications to existing codebases.

• Participate in planning, requirements analysis, development, testing, and quality assurance across the full SDLC.

• Conduct code reviews, participate in architecture sessions, and provide input on development best practices.

• Support automation and optimization of operations and maintenance tasks.

• Collaborate with the Product Owner, BA, and Test Engineer to ensure features meet functional and acceptance criteria.

• Plan and execute application deployments, version control, and CI/CD pipelines.

• Ensure compliance with 508 accessibility, enterprise security practices, and other practices as needed.

Required Qualifications:

• 8+ years in full-stack software engineer experience.

• Bachelor's degree in a related technical field

• Strong experience in Java, React, JavaScript/TypeScript, SQL, and relational database development (Postgres preferred)

• Experience with REST APIs, CI/CD, GitLab, containerization, and modern agile delivery.

• Ability to work collaboratively in a cross-functional agile team.

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


Compensation

: We offer highly competitive compensation that is consistently recognized by our employees as being generous!


Health & Retirement

: We offer a comprehensive Health Benefits package and 401K Retirement plan so you can take care of yourself and your family... both now and in the future. Other health-related benefits include People Partners who will help you navigate both personal and professional worlds, as well as strong wellness related resources offered through our healthcare provider.


Education

: Individual growth is a priority at NSI/Synergy ECP. Employees are encouraged to take advantage of our company-sponsored continuing education program so they can get their degree or that next certification needed to propel them towards the next level. Not sure what's best for your career plans, we'll help you navigate it all!


Work/Life Balance

: A healthy work/life balance is essential for building and executing your work effectively at NSI/Synergy ECP, but it’s also necessary to allow you the room to pursue everything you want to develop in your personal life. We offer a generous Paid Time Off benefit and 10 paid holidays a year. NSI/Synergy ECP also provides flexible work options that work with your schedule and lifestyle.


Philanthropy:

With the help of our amazing employees, NSI/Synergy ECP participates annually in building awareness, volunteering and contributing to dozens of organizations. We believe that giving back creates a sense of purpose, engagement, and fulfillment. Have a cause you are passionate about? We bet you'll find others here that care about it just as much!


NSI/Synergy ECP is committed to providing equal employment opportunities to all qualified individuals. Employment decisions are based on merit, qualifications, and business needs. We do not discriminate on the basis of race, color, sex, national origin, religion, age, disability, or any other status protected by applicable law.



Technologies

JavaReactTypeScriptJavaScriptPostgreSQLSQLGitLab
Synergy ECP
Synergy ECP

Job details

TypeFull-time
Work ModeOn-site
LevelSenior
Location🇺🇸Washington, DC
Salary$125,000 - $155,000
PostedNov 06, 2026
Apply Now

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