Senior Java Full Stack Developer

Senior Java Full Stack Developer with React located in Pennington, NJ.


This is 36 months W2 contract opportunity.


This role focuses on designing and implementing scalable, high-performance backend systems within an enterprise environment. The ideal candidate will architect and build event-driven systems using Java, Spring Boot, and Kafka, with a strong focus on microservices architecture, system reliability, and maintainability. The position involves providing technical leadership and mentorship to development teams while collaborating with product managers and architects to deliver robust solutions.


Responsibilities:

• Design and implement scalable, high-performance backend systems using Java and Spring Boot
• Architect and build event-driven systems using Kafka
• Design microservices architecture and ensure system scalability, reliability, and maintainability
• Lead technical solution design and architecture discussions
• Develop robust APIs and backend services for enterprise applications
• Optimize database interactions and schema design using Oracle
• Provide technical leadership and mentorship to development teams
• Ensure coding standards, design patterns, and best practices are followed
• Collaborate with product managers, architects, and stakeholders to translate requirements into technical solutions
• Conduct code reviews, performance tuning, and system optimization
• Troubleshoot complex production issues and implement long-term fixes

Requirements:

• 10 years of experience in backend development with Java
• Strong expertise in Spring Boot and microservices architecture
• Hands-on experience with Apache Kafka for building event-driven systems
• Strong experience with Oracle databases, including performance tuning and query optimization
• Deep understanding of distributed systems and system design
• Experience designing high-availability, scalable enterprise systems
• Strong knowledge of REST APIs, messaging systems, and asynchronous processing
• Experience with system architecture, design patterns, and software engineering best practices
• Excellent problem-solving and debugging skills
• Strong communication and technical leadership skills

Desired skills:

• Experience with cloud platforms (AWS / Azure / GCP)
• Knowledge of Docker and Kubernetes
• Experience with CI/CD pipelines and DevOps practices
• Experience working in large-scale enterprise or fintech systems