Senior Java EE Developer - AWS
Sabenza IT & Recruitment · City of Johannesburg Metropolitan Municipality, Gauteng, South Africa
IT Services and IT Consulting · 11-50 employees
About the role
Design, develop, and maintain enterprise-grade backend applications using Java EE/Jakarta EE standards while leading development efforts. Collaborate with multidisciplinary teams to build scalable microservices, optimize APIs, and ensure system performance and security.
What they look for
Requirements
Requires 7+ years of enterprise Java development experience with strong proficiency in Spring, Spring Boot, and ORM frameworks. Candidates must have in-depth AWS experience, solid database design skills, and familiarity with CI/CD automation and messaging platforms.
Full description
We are looking for an experienced Senior Java EE Developer with 7+ years of hands-on enterprise Java development experience. The ideal candidate will have a strong background in building secure, scalable, and high-performance backend systems within complex enterprise environments. You will contribute to solution architecture, lead development efforts, and collaborate across multidisciplinary teams to deliver robust business applications.
Key Responsibilities:
- Design, develop, and maintain enterprise-grade backend
applications using Java EE/Jakarta EE standards.
- Build and optimize APIs, microservices, and integration
layers using frameworks such as Spring / Spring Boot, JAX-RS, JPA, EJB, Hibernate.
- Develop and maintain high-performance server-side
components and batch processing workflows.
- Implement unit tests, integration tests, and ensure code
quality through best practices and standards.
- Participate in solution architecture design sessions for
new and existing systems.
- Contribute to the design of scalable, modular, and
resilient backend architectures.
- Identify performance bottlenecks and recommend system
improvements.
- Work with relational databases such as PostgreSQL,
Oracle, MySQL, SQL Server.
- Develop efficient SQL queries, stored procedures, and ORM
mappings.
- Ensure data integrity, performance, and security.
- Integrate systems using REST, SOAP, JMS, Kafka, or other
messaging platforms.
- Develop and maintain middleware components and enterprise
integration patterns (EIP).
- Work with CI/CD pipelines (Jenkins, GitHub Actions,
GitLab CI, Azure DevOps, etc.).
- Build containerized services using Docker; experience
with Kubernetes is a plus.
- Experience deploying Java applications in AWS, Azure, or
on-premise environments.
- Familiarity with infrastructure automation/configuration
tools is considered an advantage.
- Implement application security best practices
(authentication, authorization, OWASP standards).
- Work with identity providers (OAuth2, SSO, JWT, Keycloak,
Azure AD, etc.).
- Lead development streams and mentor junior developers.
- Conduct code reviews and enforce development standards.
- Work closely with business analysts, testers, and product
owners.
Requirements
- 7+ years enterprise Java development experience
(required).
- Strong experience in Java EE/Jakarta EE, Spring, Spring
Boot, and ORM frameworks.
- Solid understanding of REST APIs, microservices
architecture, and enterprise integration.
- In depth AWS experience with experience encompassing
services like API Gateway, EC2, Lambda, etc.
- Strong SQL and database design experience.
- Experience with message brokers (JMS, Kafka, RabbitMQ)
and service-oriented architectures.
- Experience with Git and CI/CD automation.
- Experience deploying and monitoring Java applications in
cloud or hybrid environments.
- Experience with Kubernetes / OpenShift, Apache Camel,
MuleSoft, or other integration frameworks
- Monitoring tools (Prometheus, Grafana, ELK, Splunk)
- Caching frameworks (Redis, Hazelcast)
- Cloud certifications (AWS, Azure, GCP) are beneficial.
