Full Stack Developer at Karsun Solutions

Feedinkoo; United States; On-site; USD 120,000 - 135,000; Full time

Job summary

Karsun Solutions in the United States seeks a Senior Full Stack Developer to join a SAFe‑aligned, microservices team responsible for end‑to‑end software lifecycles. You will develop dashboards and enterprise apps with Java/JEE, Spring Boot, and Angular, design API microservices, integrate data securely, and ensure reliable operations within our Government‑focused environment.

The role requires 5–8 years of experience, strong frontend/backend skills, and the ability to obtain a Public Trust

Qualifications

• Bachelor’s degree and 5-8 years of related experience.
• Experience with full-stack development leveraging Java, JEE, Spring/Spring Boot, and Angular.
• Strong proficiency in JavaScript/TypeScript, Angular, Bootstrap, jQuery, Data Tables and REST APIs.
• Integrated Development Environment (Eclipse, IntelliJ, MS Visual Studio, Sprint Tool Suite).
• Experience in Monolith to Microservices transformation.
• Hands-on experience with Docker, Apache Maven, and JBoss Enterprise Application Platform.
• Proven experience in designing, developing, and deploying enterprise-grade systems on Kubernetes.
• JPA with Hibernate as the ORM.
• Atlassian Application Lifecycle management (JIRA/Confluence).
• Experience with both frontend and backend technologies.
• Availability during the core business hours of 9-5 EST.
• Ability to obtain and maintain a Public Trust clearance.

Responsibilities

• Application Development: Develop, unit test, and deploy full-stack enterprise applications, including dashboards, process automation tools, and interface applications, using Java, JEE, Spring/Spring Boot, Angular 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: Triage, 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.

Skills

Java/JEE

Angular

TypeScript/JavaScript

REST APIs

Docker

Kubernetes

Hibernate/JPA

Jira/Confluence

Monolith to microservices

Education

Bachelor’s degree

Tools

Maven

Eclipse/IntelliJ

JBoss EAP

Kubernetes

JIRA

Confluence

Job description

Why Karsun?

Join Karsun Solutions to grow your career with the company transforming possible for the U.S. Government. At Karsun, collaboration drives our community. We’re committed to building an environment where team members from diverse backgrounds can innovate, learn and grow with us. Here at Karsun, the only limit to your potential is the limit of your curiosity.

Summary

As a Full Stack Developer, you will be part of a microservices development team responsible for the entire lifecycle of assigned piece of software from requirements, development, testing and deployment, following the SAFe agile delivery methodology.

What You’ll Do:

• Application Development: Develop, unit test, and deploy full‑stack enterprise applications, including dashboards, process automation tools, and interface applications, using Java, JEE, Spring/Spring Boot, Angular 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: Triage, 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 and 5-8 years of related experience.
• Experience with full stack development leveraging Java, JEE, Spring/Spring Boot, and Angular frameworks.
• Strong proficiency in JavaScript/TypeScript, Angular, Bootstrap, jQuery, Data Tables and REST APIs.
• Integrated Development Environment (Eclipse, IntelliJ, MS Visual Studio, Sprint Tool Suite).
• Experience in Monolith to Microservices transformation.
• Hands‑on experience with Docker, Apache Maven, and JBoss Enterprise Application Platform.
• Proven experience in designing, developing, and deploying enterprise‑grade systems on Kubernetes.
• JPA with Hibernate as the ORM.
• Atlassian Application Lifecycle management (JIRA/Confluence).
• Experience with both frontend and backend technologies.
• Availability during the core business hours of 9‑5 EST.
• Ability to obtain and maintain a Public Trust clearance.

Preferred Qualifications:

• Experience with integrating USWDS compliant components with Angular storybook is a plus.
• Experience with developer AI tools such as GitHub Co-Pilot is a plus.
• Candidates in the eastern, central or mountain time zones.
• Experience supporting US federal government contracts.

Things to Know:

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 $120,000.00 to $135,000.00 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 U.S. Department of State government website: https://www.state.gov/m/ds/clearances/c10978.htm