Overview
Skills
Job Details
Title: Senior Java Full Stack Developer
Location: Onsite Berkeley Heights, NJ
Work Type: 5 Days/Week, Onsite
Rate: $50 $55/hr (W2 only via Next Gen Software Solutions LLC)
Experience: 10 12 Years
Employment Type: Must be on W2 with Next Gen Software Solutions LLC
Role Overview
Next Gen Software Solutions LLC is hiring a Senior Java Full Stack Developer to embed with a leading enterprise financial technology client. This is a hands-on, full-time onsite role in Berkeley Heights, NJ, focused on delivering scalable, resilient, and secure enterprise-grade systems.
The ideal candidate brings not only deep Java expertise, but also direct fintech experience-understanding the rigor of regulated environments, transaction integrity, and complex data workflows typical of institutions like core banking and payment systems providers.
Key Responsibilities
- Architect and build secure microservices using Java, Spring Boot, and REST APIs
- Develop intuitive frontends using Angular 11+, ReactJS, Node.js, and Core JavaScript
- Optimize for performance, concurrency, and high-availability in high-throughput systems
- Integrate with Oracle, DB2, MongoDB, and Snowflake for real-time and batch data flows
- Leverage Kafka, IBM MQ, or ActiveMQ for distributed messaging and event-based processing
- Implement DevOps best practices using Git, Jenkins, Docker, and Kubernetes
- Collaborate closely in Agile teams, using Jira, Confluence, Maven, and CI/CD pipelines
Preferred Experience for Enterprise Fintech Success
- Proven track record on financial transaction platforms, payment gateways, or risk engines
- Experience building compliance-aware, auditable, and high-resiliency systems
- Strong grip on test automation using JUnit, Mockito, Selenium, Cucumber
- Knowledge of batch processing frameworks, legacy modernization, and API gateways
- Exposure to Snowflake, Hive, HBase, and Spark for enterprise data pipelines
- Understanding of enterprise authentication, data encryption, and secure API consumption
Education
- Bachelor's degree or Master's degree in Computer Science or relevant field.
Why Join Us?
- Be onsite at the heart of fintech innovation
- Collaborate with high-performance teams solving complex financial problems
- Gain stability through Next Gen Software Solutions LLC, a veteran-founded, integrity-driven IT staffing leader
About Next Gen Software Solutions LLC
Founded by a U.S. Army veteran, Next Gen Software Solutions stands for discipline, transparency, and elite talent delivery. We connect high-caliber engineers with mission-critical opportunities across leading fintech and enterprise clients.
EEO Statement
We are an equal opportunity employer and celebrate diversity at every level. Inclusion is not a policy-it's our operating principle.