Java developer

Quantum Technologies. LLC; Atlanta (GA); On-site; USD 120,000 - 190,000; Full time

Job summary

Quantum Technologies. LLC is seeking a senior Java developer to design, build, test, and deploy scalable enterprise applications in a fast-paced environment.

The role emphasizes Spring Boot, microservices, RESTful APIs, cloud deployments, and CI/CD, offering opportunities to mentor teammates and influence architectural decisions across multiple domains.

Applicants should have 8+ years of hands-on experience and a strong track record in delivering robust Java-based solutions.

Qualifications

• 8+ years of Java/J2EE development experience.
• Strong Spring Boot and microservices expertise.
• Experience with CI/CD, Docker, and cloud deployments.

Responsibilities

• Design, develop, test, and deploy scalable Java applications.
• Build and maintain microservices with Spring Boot.
• Develop and consume RESTful APIs and web services.
• Participate in design, code reviews, troubleshooting, and performance optimization.
• Support CI/CD pipelines and cloud deployments.

Skills

Java

Spring Boot

Microservices

REST APIs

SQL

Git

CI/CD

Cloud platforms

Tools

Hibernate/JPA

Swagger/OpenAPI

Maven/Gradle

JUnit/Mockito

Jenkins

Docker

Kubernetes

SQL databases

Job description

• Design, develop, test, and deploy scalable Java-based applications.
• Build and maintain Microservices architectures using Spring Boot.
• Develop and consume RESTful APIs and web services.
• Collaborate with business analysts, architects, and cross-functional teams to define technical solutions.
• Participate in application design, code reviews, troubleshooting, and performance optimization.
• Integrate applications with databases, messaging systems, and third-party services.
• Implement security, logging, monitoring, and best coding practices.
• Support CI/CD pipelines and cloud deployments.
• Mentor junior developers and contribute to technical discussions.

Required Skills

• 8+ years of experience in Java/J2EE application development.
• Strong proficiency in Java 8/11/17 .
• Extensive experience with Spring Boot, Spring MVC, Spring Security, Spring Data JPA .
• Strong experience in Microservices Architecture .
• Hands-on experience with REST APIs , Swagger/OpenAPI.
• Proficiency in Hibernate/JPA .
• Experience with Oracle, SQL Server, PostgreSQL, or MySQL databases.
• Strong knowledge of SQL , query optimization, and database design.
• Experience with Git, Maven, Gradle .
• Knowledge of JUnit, Mockito, SonarQube .
• Experience with Jenkins, CI/CD pipelines .
• Familiarity with Docker and Kubernetes .
• Experience with cloud platforms such as AWS, Azure, or Google Cloud Platform .
• Strong understanding of design patterns, OOP principles, and Agile methodologies.

Preferred Skills

• Experience with Kafka, RabbitMQ, or ActiveMQ .
• Knowledge of containerized and cloud-native applications.
• Experience in Banking, Financial Services, Healthcare, or Insurance domains.
• Exposure to front-end technologies such as Angular or React is a plus.

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.