Demo

Senior Full Stack Developer

Karsun Solutions
Herndon, VA Full Time
POSTED ON 9/26/2025 CLOSED ON 12/2/2025

What are the responsibilities and job description for the Senior Full Stack Developer position at Karsun Solutions?

Overview

Summary

As a key member of the team, the Senior Full Stack Developer will be responsible for the entire software development lifecycle of assigned software components, from requirements gathering and development to testing and deployment, all within a SAFe Agile framework. The Senior Full Stack Developer will play a critical role in building and maintaining applications that support our core mission, with a focus on seamless integration and high performance.

 

Responsibilities

What You'll Do:

  • Application Development: Develop, test, and deploy full-stack applications, including dashboards, process automation tools, and interface applications, using Java J2EE, Spring/Spring Boot, and other relevant technologies.
  • Microservices Architecture: Design, develop, and maintain API microservices that are scalable, resilient, and secure.
  • Data Integration: Develop and test interface applications for secure data transfer with other government entities (as approved), ensuring reliable machine-to-machine communication and data integrity.
  • Infrastructure Integration: Deploy and integrate applications within our infrastructure, ensuring seamless orchestration with other internal and external systems.
  • Incident Management: Propose, test, implement, operate, maintain, and improve ticketing and incident tracking systems to ensure efficient issue resolution.
  • Documentation: Create, update, and maintain comprehensive documentation for all systems, including design specifications, user manuals, and troubleshooting guides.
  • Collaboration: Collaborate effectively with other developers, testers, and stakeholders within a SAFe Agile environment.
  • Continuous Improvement: Identify and implement opportunities to improve system performance, reliability, and security.

Qualifications and Education

Required Qualifications:

  • Bachelor's degree in Computer Science or a related field.
  • 8-10 years of experience in full-stack development.
  • Strong proficiency in Java, JEE and related technologies, including Spring/Spring Boot and Angular frameworks.
  • Experience with API microservices development.
  • Hands-on experience with Docker, Apache Maven, and JBoss.
  • Experience with enterprise application platforms and cloud-native application hosting.
  • Solid understanding of responsive design principles and implementation.
  • Strong Proficiency in JavaScript frameworks such as Angular, Bootstrap, jQuery, and DataTables.
  • Experience with Hibernate ORM.
  • Experience with Atlassian Application Lifecycle Management tools (JIRA/Confluence).
  • Experience with both frontend and backend development technologies.
  • Availability during core business hours of 9:00 AM - 5:00 PM EST.
  • Ability to obtain and maintain a Public Trust clearance.

Compensation

The proposed salary range for this role is $****** to $******* USD. The salary range provided is a good faith estimate representative of all experience levels. Karsun considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.

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Salary.com Estimation for Senior Full Stack Developer in Herndon, VA
$117,736 to $145,425
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