Senior Full Stack Developer at Karsun Solutions

Feedinkoo: Remote Jobs; United States; On-site; USD 135,000 - 150,000; Full time

Job summary

Feedinkoo is seeking a Senior Full-Stack Developer to lead end-to-end software development across requirements, development, testing, and deployment within a SAFe Agile framework. You will build scalable, high-performance applications with Java/JEE, Spring Boot, and Angular, and own API microservices, data integration, and infrastructure alignment.

The role requires 8–10 years in full-stack development, hands-on Docker, Maven, and JBoss, and the ability to obtain a Public Trust clearance.

Qualifications

• Bachelor’s degree in Computer Science or a related field.
• ],
• job_responsibilities_description':['Develop, test, and deploy full-stack applications including dashboards and automation tools.','Design, develop, and maintain scalable API microservices.','Build and test data integration interfaces for secure machine-to-machine communication.','Deploy and integrate applications within existing infrastructure and ensure system orchestration.','Propose, test, implement, operate, and improve incident tracking and ticketing systems.','Create and maintain comprehensive system documentation.','Collaborate with developers, testers, and stakeholders in a SAFe Agile environment.','Identify and implement performance, reliability, and security improvements.'],
• CoT_job_summary_short
• COMPANY NAME: FeedinkooKEY POINTS: Full-stack development, Java/JEE, federal contracts, security clearance

Skills

Java/JEE

Spring/Spring Boot

Angular

Bootstrap

jQuery

DataTables

Hibernate ORM

Docker

Apache Maven

JBoss

APIs / Microservices

Cloud-native hosting

JIRA/Confluence

Education

Bachelor’s degree in Computer Science or related field

Tools

Docker

Apache Maven

JBoss

Temporal.io

Camunda

USWDS/Angular Storybook

Jira

Confluence

Job description

Summary

As a key member of the team, the Sr FSD 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 Sr FSD will play a critical role in building and maintaining applications that support our core mission, with a focus on seamless integration and high performance.

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.

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.

Preferred Qualifications

• Experience supporting US federal government contracts.
• Experience with developer AI tools such as Microsoft Co‑Pilot.
• Experience with work‑flow orchestration tools such as Temporal.io, Camunda.
• Experience with integrating USWDS compliant components with Angular Storybook.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.

Salary Range

The proposed salary range for this role is $135,000.00 to $150,000.00 USD.

Clearance Information

This position requires the eligibility to obtain a security clearance. The Defense Industrial Security Clearance Office (DISCO), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government.