Senior Full-Stack Developer (Java & React) - Hybrid (3 day/week) - Long Term Contract - Trenton, NJ - B4209B

Our direct client is looking for a Senior Full-Stack Developer (Java & React) for a Hybrid (3 day/week) Long Term Contract in Trenton, NJ

Note: 
- This is a hybrid position and candidate will be required to come into the Trenton office three days a week.

J0B DESCRIPTION:
- This role requires years of experience building scalable web applications and modernizing legacy systems. 
- Specialized in transitioning monolithic applications into modular microservices using Java and Spring Boot, alongside intuitive user interfaces with React, JavaScript, and Bootstrap. Strong background in REST APIs, relational database optimization (Oracle), CI/CD pipelines, and converting core business requirements into reliable technical solutions.
- Senior Full-Stack Developer responsible for the hands-on development, refactoring, and full-lifecycle support of enterprise web applications.
- This role balances day-to-day feature development with system modernization—decoupling legacy architectures into clean, modular, cloud-ready services.
- The developer works across the full software stack to deliver performant solutions, optimize existing database structures, and enforce engineering best practices through automated testing and clean CI/CD deployment workflows.

Key Responsibilities:
- Application Modernization & Development: Refactor legacy Java applications into modular Spring Boot microservices while building responsive front-end components using React and Bootstrap.
- API & Database Engineering: Design secure RESTful APIs and execute database schema changes and performance tuning within relational databases (Oracle preferred).
- Requirements & Design: Convert complex business needs into clean, maintainable technical implementations while following departmental standards.
- Testing & Quality Control: Execute thorough developer-level testing using JUnit, Mockito, and React Testing Library to maintain system reliability.
- Deployment & Ongoing Maintenance: Manage application builds, deploy software through CI/CD pipelines, and provide post-launch operational support.

- Bachelors in Computer Science or related field required. LinkedIn Profile required. 

SKILL MATRIX:
- Java (Core & Modern) - Required 
- System Refactoring / Monolith Modernization - Required 
- Spring Framework (Spring Boot, Spring MVC, Hibernate) - Required
- Relational Databases & Data Analysis - Required 
- Oracle Database Management & SQL Optimization - Highly desired 
- JavaScript & React - Required
- CSS & Bootstrap - Required 
- RESTful API Development - Required
- Developer Testing (JUnit, Mockito, React Testing Library) - Required 
- Software Deployment & CI/CD Tooling - Required

Question 1: Where does your candidate currently reside (City & State)?
Question 2: If your candidate resides more than 1 hour from the Client site, will your candidate relocate for the position?
Question 3: Is your candidate available for a Round 1, in-person interview?
Question 4: This is a Hybrid (3 days/week onsite) position. Are you fine with this?

Location: Hybrid (3 day/week), Trenton, NJ
Type: Long Term Contract