Java Developer

Quantum Technologies LLC; Jersey City (NJ); On-site; USD 89,000 - 126,000; Full time

Job summary

Quantum Technologies. LLC is seeking a senior Java Developer in Jersey City, NJ to design and implement scalable microservices, RESTful APIs, and robust data access layers.

You will work across cloud deployments, influence architecture decisions, and collaborate with cross-functional teams to deliver high-quality software. The role requires 8+ years of hands-on Java experience, strong Spring and Hibernate proficiency, and solid knowledge of messaging systems like Kafka or RabbitMQ.

Qualifications

• 8+ years of hands-on Java development experience.
• Strong proficiency in Core Java (8/11/17+).
• Extensive Spring Boot/MVC/Framework experience.
• Microservices architecture expertise.
• RESTful API and Web Services development.
• Hibernate/JPA knowledge.
• SQL and relational databases experience.
• Kafka or similar messaging systems experience.
• Maven/Gradle and Git knowledge.
• JUnit/Mockito for unit testing.
• Knowledge of multithreading, JVM, and design patterns.

Responsibilities

• Build scalable and secure microservices-based architectures.
• Develop and integrate RESTful APIs and web services.
• Work with databases such as Oracle, PostgreSQL, MySQL, or MongoDB.
• Implement messaging with Kafka or RabbitMQ.
• Write clean, reusable, and optimized code following industry best practices.
• Perform unit testing, debugging, code reviews, and application troubleshooting.
• Collaborate with architects, business analysts, QA, and DevOps teams.
• Participate in Agile/Scrum ceremonies and sprint planning.
• Deploy and support applications in cloud environments.

Skills

Java development

Microservices

RESTful APIs

Spring Framework

Hibernate/JPA

SQL

JUnit/Mockito

Git

Multithreading

Tools

Maven/Gradle

Git

Kafka

RabbitMQ

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Job Title:Java Developer
Location: Jersey city , NJ
Duration: 12 Months
Bill Rate: $78/hour (C2C)
Job Type: W-2, 1099, C2C
Client: To Be Discussed Later
Work Authorization: US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other

Job Description:

• Build scalable and secure microservices-based architectures.
• Develop and integrate RESTful APIs and web services.
• Work with databases such as Oracle, PostgreSQL, MySQL, or MongoDB.
• Implement messaging and event-driven architectures using Kafka or RabbitMQ.
• Write clean, reusable, and optimized code following industry best practices.
• Perform unit testing, debugging, code reviews, and application troubleshooting.
• Collaborate with architects, business analysts, QA, and DevOps teams.
• Participate in Agile/Scrum ceremonies and sprint planning.
• Deploy and support applications in cloud environments.
• 8+ years of hands-on experience in Java development.
• Strong proficiency in Core Java (Java 8/11/17 or above).
• Extensive experience with Spring Boot, Spring MVC, and Spring Framework.
• Strong experience in Microservices architecture.
• Hands-on experience developing RESTful APIs and Web Services.
• Strong knowledge of Hibernate/JPA.
• Experience with SQL and relational databases.
• Experience with Kafka or other messaging technologies.
• Knowledge of Maven/Gradle and Git.
• Experience with JUnit, Mockito, and unit testing.
• Understanding of multithreading, collections, JVM, and design patterns.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.