Java lead

Nexzentek; Jersey City (NJ); On-site; USD 120,000 - 180,000; Full time

Job summary

Nexzentek in Jersey City is seeking a senior Java developer to design, implement, and maintain scalable microservices using Java 11/17+, Spring Boot, and RESTful APIs, delivering cloud-native services on major cloud platforms.

You will work in a hybrid Agile environment with CI/CD pipelines, code reviews, and a strong emphasis on testing, performance, and reliability.

The role requires leadership in technical design decisions and collaboration with cross-functional teams to meet business goals.

Qualifications

• 5–15 years of hands-on Java/J2EE development.
• Strong knowledge of Spring Boot, Spring Cloud.
• Experience with SQL/NoSQL databases and messaging.

Responsibilities

• Design, implement, and maintain scalable microservices using Java 11/17+ Spring Boot and RESTful APIs.
• Build cloud-native services on AWS/GCP/Azure using Docker and Kubernetes.
• Integrate SQL/NoSQL databases and write optimized queries.
• Build event-driven architectures with Kafka or RabbitMQ.
• Collaborate in Agile teams, perform code reviews, ensure unit test coverage, and drive CI/CD pipelines.

Skills

Java

Spring Boot

REST APIs

Spring Cloud

Hibernate/JPA

SQL/NoSQL

Kafka

RabbitMQ

CI/CD

Docker

Kubernetes

AWS

GCP

Azure

JUnit

Mockito

Maven/Gradle

Git

JIRA

Tools

Jenkins

GitHub Actions

PostgreSQL

MongoDB

Oracle

Apache Kafka

RabbitMQ

Job description

Work Location: Jersey City, NJ (100% On-Site)

Key Responsibilities

• Design, implement, and maintain scalable Microservices using Java 11/17+, Spring Boot, and RESTful APIs.
• Build end-to-end cloud-native services deployed on cloud environments (AWS/GCP/Azure) using container technologies like Docker and Kubernetes.
• Integrate SQL/NoSQL databases (PostgreSQL, MongoDB, Oracle) and write optimized, high-performing database queries.
• Build event-driven architectures utilizing messaging platforms like Apache Kafka or RabbitMQ.
• Collaborate within Agile teams to perform code reviews, ensure unit test coverage (JUnit/Mockito), and drive CI/CD automation pipelines (Jenkins, GitHub Actions).

Required Skills & Qualifications

• Experience: 5–15 years of hands-on software development experience with Java/J2EE enterprise applications.
• Core Tech Stack: Core Java, Spring Boot, Spring Cloud, Hibernate/JPA, REST APIs.
• Database & Messaging: SQL/NoSQL databases and Kafka/RabbitMQ.
• DevOps & Cloud: Docker, Kubernetes, AWS/GCP services, and Jenkins CI/CD.
• Testing & Tools: JUnit, Mockito, Maven/Gradle, Git, JIRA.
• Strong problem-solving, communication, and technical leadership skills.

Work Location

Hybrid (Jersey City, New Jersey, New Jersey, United States)