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Applications Developer

Company:
3B Staffing LLC
Location:
Baltimore, MD
Posted:
April 27, 2026
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Description:

Applications Developer (Java) (local to MD)

Location: Baltimore, MD (Hybrid - 3 days onsite, 2 days remote) Must be flexible for off-hours, weekends, and on-call support if required

Duration: 2 Years Contract

Any visa no h1

Interview Mode: Virtual

Java/J2EE, Spring (Hibernate/JPA), Angular, REST/SOAP Web Services, PostgreSQL/SQL, MongoDB, Corticon Rules Engine, Git/SVN, Agile, SOA & Microservices, Healthcare/HBX systems, n-tier architecture, unit & integration testing, and team leadership experience.

Summary

We are seeking a highly experienced Applications Developer (Java) with 10+ years of expertise in designing, developing, and integrating enterprise-level applications. The ideal candidate will play a key role in building and enhancing large-scale healthcare systems, including Health Benefit Exchange (HBX) solutions.

Key Responsibilities

Design, develop, and maintain enterprise applications using Java/J2EE, Angular, PostgreSQL, MongoDB, and Corticon Rules Engine

Build and enhance custom integrations, interfaces, and enterprise solutions

Translate business requirements into technical designs and application code

Develop and execute unit tests, integration tests, and validation scripts

Perform code reviews, debugging, and quality analysis

Collaborate with business and technical teams for requirement gathering and testing

Lead development efforts and provide input on complex technical decisions

Ensure adherence to security, compliance, and PMO standards

Support application upgrades, enhancements, and production issues Required

10+ years of experience in Java-based application development

8+ years with enterprise platforms and technologies:

Java/J2EE, Spring, Hibernate, JPA

Web Services, REST APIs, SOA, ESB

Eclipse IDE, Git/SVN

6+ years working on healthcare systems / ACA / HBX / HHS solutions

Strong experience with PostgreSQL and complex SQL queries

Experience with Angular (frontend integration)

Hands-on experience with n-tier architecture and design patterns

Experience integrating business rules engines

4+ years of team leadership experience

Strong knowledge of Agile methodologies

Excellent analytical, debugging, and problem-solving skills Nice to Have

Experience with content management integrations

Familiarity with Corticon Rules Engine

Experience working with government or public sector projects Education

Bachelor's Degree in Computer Science, Information Systems, Engineering, or related field

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