Java Full Stack Developer at Karsun Solutions

Feedinkoo; United States; Remote; USD 120,000 - 130,000; Full time

Job summary

Karsun Solutions seeks a Java Full Stack Developer to contribute to a large modernization effort serving U.S. Government clients. You will join a team of IT professionals driving innovation and delivering high-impact software.

Responsibilities include designing, developing and operating cloud-based enterprise applications accessible via web and mobile. Requires a Bachelor's degree and 8+ years of experience in backend/frontend technologies.

Qualifications

• Bachelor's degree in engineering, math, science or related field.
• 8+ years of relevant experience.
• Experience designing and building cloud-based enterprise applications.
• Knowledge of RESTful services and service integrations.

Responsibilities

• Design, develop and operate products in a cloud platform for enterprise use.
• Develop quality products using industry best practices.

Skills

JAXB

SOAP Web Services

Spring Core

Spring Security

Hibernate

Jakarta Servlets

Angular

PrimeFaces

JSF

Jasper Reports

PDF Generation

RDBMS

ORM

Performance optimization

Education

Bachelor's Degree in Engineering, Math, Science or related field

Job description

Join Karsun Solutions to grow your career with the company transforming possible for the US 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.

Join Team Karsun, and Find Your Next!

Summary

As a Java Full Stack Developer, you will be developing products using cutting edge technologies as part of a large modernization effort that has significant industry focus. You will be an integral component of a team of passionate and enthusiastic IT professionals, and have tremendous opportunities to contribute to Karsun’s growing portfolio. The successful candidate will have extensive experience in software development, integration with different systems, software release management, and operations.

This is a short-term surge project ending in June 2026.

What You’ll Do

Responsible for designing, developing and operating products in a cloud platform for enterprise-wide use. These products include modern enterprise applications accessible and responsive via any device (web/mobile).

Develop quality products using industry best practices.

Required Qualifications

Requires a Bachelor’s Degree in Engineering, Math, Science or related field and 8+ years of relevant experience.

• Backend: JAXB, SOAP Web Services, Spring (Core, Security), Hibernate, Jakarta Servlets
• Frontend/Integration: Full stack development with secure web applications and service integrations using Angular, Prime faces, JSF
• Reporting: Jasper Reports, PDF generation & conversion (Jasper → PDFBox)
• Other Strengths: RDBMS expertise, ORM, and performance optimization

Preferred Qualifications

• Experience with or exposure to Cloud, DevSecOps and CI/CD tools such as Ansible and Jenkins

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 $130,000.00 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.

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 website.

Location

To be considered for this role, you must reside in one of the following states: CA, CO, DC, FL, GA, IL, MD, NJ, NY, NC, OH, OK, PA, SC, TX, VA, WV.

Applicants must be authorized to work in the United States on a permanent basis. Due to recent federal changes impacting visa programs, we are not currently considering candidates who require employment-based visa sponsorship (including H-1B).