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# Java Full Stack Developer

- **Company:** Simarn LLC
- **Location:** Secaucus, NJ, United States
- **Experience:** Expert
- **Salary:** $124,800
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Unit Testing, Code Review, Communications Protocols, Relational Databases, Hibernate (Java), Java Persistence API, JSON, Junit, Apache Maven, Microsoft SQL Server, Object-Oriented Software Development, Systems Development Life Cycle, Software Engineering, PL-SQL, SQL Databases, Transact-SQL, Extensible Markup Language (XML), Enterprise Software Applications, Spring-boot, Git, AngularJS, Information Technology, Health Level Seven International, Restful APIs
- **Published:** November 8, 2026
- **Apply:** https://www.careerbuilder.com/job-details/java-full-stack-developer-nj--c66dab0d-ed36-461c-94a6-b050e9191404

## About the Role

Java, Software Engineering, Java, Software Engineering, AngularJS, Communications Protocols, Enterprise Applications, Application Programming Interface (API), REST (Representational State Transfer), Software Development Lifecycle (SDLC), * Bachelors degree in Computer Science or related field preferred.

 * Minimum 9 years of hands-on experience in Java software engineering.
 * Strong proficiency in Java 17, Spring Boot, Angular, Maven, REST API design, Git, SQL, JPA/ORM.
 * Deep understanding of object-oriented design, multi-tier architectures, and relational databases.
 * Experience with MS SQL Server, XML, JSON, JUnit, Hibernate, and T-SQL/PL-SQL.
 * Ability to write and evaluate technical specifications and design documentation.
 * Desired: Experience with medical systems, ASTM, HL7.

## Description

We are seeking an experienced Java Full Stack Developer with strong expertise in Java 17, Angular, Spring Boot, RESTful API development, and SQL-based systems. The ideal candidate will be responsible for designing and coding laboratory instrument interfaces that automate communication between scientific instruments and enterprise applications. This role requires hands-on experience in full SDLC, strong understanding of object-oriented principles, and the ability to collaborate with vendors, laboratory SMEs, and internal teams to evaluate instrument communication protocols and build high-quality, scalable software solutions., * Analyze vendor documentation and collaborate with instrument vendors and lab SMEs to understand communication specifications.

 * Design, develop, and unit test instrument interfaces using Java 17, Spring Boot, and Angular within an existing framework.
 * Participate in the full SDLC, including requirements review, feasibility analysis, coding, testing support, and deployment.
 * Conduct code reviews, troubleshoot performance issues, and optimize existing modules for stability and reliability.
 * Serve as SME for implemented interfaces, supporting enhancements, issue resolution, and impact assessment.
 * Collaborate with team members to maintain coding best practices and architectural standards.
 * Communicate project risks, delays, and solutions directly to the Team Lead.
 * Contribute to continuous improvement initiatives within the development team.