By skyforbes 
Job title: Backend Developer Sr
Company: GTN Technical Staffing
Job description: Backend Developer Sr. โ Role OverviewWe are looking for a Backend Developer with strong expertise in Java technologies and modern backend architecture. This role involves designing and implementing scalable, secure, and maintainable services using widely adopted frameworks and tools.Core Technical Proficiencies
- Java (8 and 17+) with Spring Boot and Spring Framework modules: Web, Data JPA, Security
- RESTful and GraphQL API development following clean architecture principles
- Hibernate/JPA for ORM and efficient data access (MySQL, PostgreSQL)
- Integration with third-party APIs, messaging platforms (Kafka, RabbitMQ), and caching solutions (Redis, Ehcache)
- Exception handling, structured logging (SLF4J, Logback), and secure authentication/authorization (JWT, OAuth2)
- Containerization and deployment using Docker and Kubernetes, with CI/CD pipelines (GitHub Actions, Jenkins, Azure DevOps)
- Unit and integration testing using JUnit 5, Mockito, and Spring Test
- Build tools and version control: Maven/Gradle, Git; API documentation via Swagger/OpenAPI
- Strong understanding of Core Java concepts: OOP, Collections, Streams, and Concurrency
Preferred Additional Skills
- Experience with JSP, Servlets, and JSTL for dynamic web interfaces
- Familiarity with the Codename One framework for cross-platform mobile development
Expected salary:
Location: Tampa, FL
Job date: Thu, 30 Oct 2025 23:40:19 GMT
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