Senior Java Backend Engineer

Quantum Technologies. LLC; Raleigh (NC); On-site; USD 110,000 - 150,000; Full time

Benefits offered by this job

Health insurance

Job summary

Quantum Technologies. LLC is seeking an experienced Java Backend Developer to design, develop, and maintain scalable, high-performance backend applications. The role requires strong Core Java, Spring Boot, microservices architecture, REST APIs, Hibernate/JPA, and relational databases.

You will build robust backend services, integrate third-party APIs, and collaborate with cross-functional teams. The ideal candidate will implement authentication and authorization with Spring Security and JWT,

Qualifications

• Strong knowledge of Core Java, Spring Boot and microservices architecture.
• Experience building RESTful APIs and integrating with databases (MySQL, PostgreSQL, Oracle).
• Familiarity with Hibernate/JPA, Spring Data, and Spring Security (JWT).
• Proficient in writing unit/integration tests with JUnit and Mockito.

Responsibilities

• Design, develop and maintain backend applications in Java/Spring Boot.
• Develop RESTful services and integrate third-party APIs.
• Build scalable, secure microservices-based applications.

Skills

Core Java

Spring Boot

Microservices

REST APIs

Hibernate/JPA

SQL databases

Spring Security

JWT

JUnit

Mockito

Job description

Quantum Technologies. LLC is seeking an experienced Java Backend Developer to design, develop, and maintain scalable, high-performance backend applications. The role requires strong Core Java, Spring Boot, microservices architecture, REST APIs, Hibernate/JPA, and relational databases.

You will build robust backend services, integrate third-party APIs, and collaborate with cross-functional teams. The ideal candidate will implement authentication and authorization with Spring Security and JWT,