Senior Java EE Developer
Sabenza IT & Recruitment · City of Tshwane 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 optimizing APIs and microservices. Lead development efforts, conduct code reviews, and collaborate with multidisciplinary teams to ensure scalable and secure system architecture.
What they look for
Requirements
Requires 7+ years of enterprise Java development experience with strong proficiency in Spring Boot, ORM frameworks, and microservices architecture. Candidates must have solid experience with DevOps pipelines, cloud environments like AWS, and database design.
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
Requirements
- 7+ years enterprise Java development experience
(required).
- Strong experience in Java EE/Jakarta EE, Spring, Spring
Boot, and ORM frameworks.
- Strong experience with DevOps and ability to build and
manage pipelines and support development.
- 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.
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