Java Developer - Spring Boot & Microservices

Quantum Technologies. LLC; Atlanta (GA); On-site; USD 100,000 - 140,000; Full time

Job summary

Quantum Technologies. LLC is seeking an experienced Java Developer to design, implement, and maintain scalable enterprise applications. The role focuses on Java/J2EE, Spring Boot, REST APIs, and database technologies, with collaboration across UI/UX, QA, and DevOps teams.

The ideal candidate will work on backend services, microservices architecture, and CI/CD pipelines, ensuring secure and reliable software delivery.

Qualifications

• Strong experience in Java programming, Spring Boot, and microservices.
• Experience with REST APIs and relational databases (Oracle, MySQL, PostgreSQL).
• Experience with unit testing (JUnit) and mocking (Mockito).
• Familiarity with CI/CD pipelines and deployment processes.
• Ability to design scalable, secure enterprise applications.

Responsibilities

• Design, develop, and maintain enterprise applications using Java and J2EE.
• Develop backend services using Spring Boot and Spring MVC.
• Build and maintain RESTful APIs and Microservices architecture.
• Implement OOP principles and design patterns.
• Develop database queries and data models for relational databases.
• Integrate third-party APIs and external systems.
• Perform unit and integration testing (JUnit, Mockito).
• Collaborate with UI/UX, QA, and DevOps teams.
• Work with CI/CD pipelines and deployments.
• Maintain performance, reliability, and security of apps.

Skills

Java

Spring Boot

Microservices

REST APIs

J2EE

OOP

Design patterns

SQL & databases

Job description

Quantum Technologies. LLC is seeking an experienced Java Developer to design, implement, and maintain scalable enterprise applications. The role focuses on Java/J2EE, Spring Boot, REST APIs, and database technologies, with collaboration across UI/UX, QA, and DevOps teams.

The ideal candidate will work on backend services, microservices architecture, and CI/CD pipelines, ensuring secure and reliable software delivery.