Senior Java Full-Stack Developer
Location: Trenton, NJ Hybrid (3 days Onsite, 2 days Remote)
Duration: Contract
Interview will be onsite
10+ years java & React development experience, system refactoring, spring frameworks, relational databases.
Job Description
We are looking for a Senior Full-Stack Developer (Java & React) to design, develop, modernize, and support enterprise web applications for our client.
What You'll Do
- Refactor and modernize legacy Java-based applications into scalable, maintainable Spring Boot microservices
- Design, develop, and maintain responsive user interfaces using React, JavaScript, CSS, and Bootstrap
- Develop and consume secure RESTful APIs to support enterprise application integrations
- Analyze business requirements and translate them into technical solutions that align with standards and best practices
- Design, optimize, and maintain relational database structures, with a strong focus on Oracle database performance and SQL optimization
- Perform unit, integration, and component testing using JUnit, Mockito, and React Testing Library
- Troubleshoot application issues and provide production support for enterprise systems
- Implement software builds, deployments, and release management through CI/CD pipelines
- Collaborate with business stakeholders, analysts, architects, and development teams throughout the software development lifecycle
- Enforce coding standards, development best practices, and application security requirements
- Support application enhancements, bug fixes, and ongoing modernization initiatives
- Participate in code reviews, technical design discussions, and knowledge-sharing activities
What You'll Need
Required:
- Bachelor's degree in Computer Science, Information Technology, or a related field
- LinkedIn profile required
- 10+ years of experience with Java development (Core Java and modern Java frameworks)
- 7+ years of experience with system refactoring and monolithic application modernization
- 7+ years of experience with Spring Framework technologies including Spring Boot, Spring MVC, and Hibernate
- 7+ years of experience working with relational databases and data analysis
- 5+ years of experience developing applications with JavaScript and React
- 5+ years of experience with CSS and Bootstrap
- 5+ years of experience designing and developing RESTful APIs
- 5+ years of experience performing developer-level testing using JUnit, Mockito, and React Testing Library
- 5+ years of experience with software deployment processes and CI/CD tooling
- Strong understanding of software development lifecycle (SDLC) methodologies
- Experience supporting enterprise-level web applications throughout the full application lifecycle
- Ability to work effectively in a hybrid team environment
Preferred:
- 7+ years of Oracle Database management and SQL performance optimization
- Experience with application modernization and cloud-ready architecture design
- Experience implementing microservices-based architectures
- Experience supporting public sector or education-related enterprise applications
- Strong analytical, troubleshooting, and problem-solving skills
- Experience working in Agile/Scrum development environments
Physical Demands
- Ability to safely and successfully perform the essential job functions consistent with the ADA and other federal, state, and local standards
- Sedentary work that involves sitting or remaining stationary most of the time with occasional need to move around the office to attend meetings and collaborate with team members
- Ability to conduct repetitive tasks on a computer, utilizing a mouse, keyboard, and monitor
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