Full Stack Developer (Java & React)

About the role

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.

Location: Trenton, NJ (Hybrid) — required to come into the Trenton office three days a week.

Duration: Long Term

Interview Type: In-person interview / Virtual

Education: Bachelor's in Computer Science or related field required.

Note: LinkedIn Profile required.

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.

Required Skills

• Java (Core & Modern) — 10 years
• System Refactoring / Monolith Modernization — 7 years
• Spring Framework (Spring Boot, Spring MVC, Hibernate) — 7 years
• Relational Databases & Data Analysis — 7 years
• Oracle Database Management & SQL Optimization — 7 years (highly desired)
• JavaScript & React — 5 years
• CSS & Bootstrap — 5 years
• RESTful API Development — 5 years
• Developer Testing (JUnit, Mockito, React Testing Library) — 5 years
• Software Deployment & CI/CD Tooling — 5 years