We are seeking a Senior Java Developer to join a large-scale digital channels environment, supporting high-volume, mission-critical enterprise systems.
This role is ideal for a highly experienced engineer with deep expertise in Core Java, JEE/Jakarta EE, and IBM enterprise platforms, who can operate independently and contribute at a senior or lead level.
You will be involved in designing, developing, integrating, and supporting complex transactional systems within a mature enterprise SDLC environment.
Design, develop, and maintain enterprise-grade Java applications
Work on high-volume, transactional digital channel systems
Implement enterprise integration and messaging solutions
Collaborate with architects, integration teams, and business stakeholders
Perform performance tuning, troubleshooting, and production support
Ensure solutions align with enterprise standards, security, and best practices
Contribute to system stability, scalability, and continuous improvement
Strong Core Java experience (Senior / Expert level)
JEE / Jakarta EE, including:
EJB
JMS
JPA
Servlets
Enterprise integration and messaging experience
IBM technology stack, such as:
IBM WebSphere Application Server
IBM MQ
IBM Integration Bus (IIB) / App Connect Enterprise (ACE)
IBM ODM (or similar IBM enterprise products)
Experience working in digital channels or large transactional enterprise systems
Strong understanding of:
Software Development Life Cycle (SDLC)
Performance optimisation and tuning
Production support in complex environments
Ability to work independently at senior or lead level
Strong problem-solving and analytical skills
Excellent communication and stakeholder engagement
Proven experience in stable, high-availability enterprise systems
12-month contract
Potential for extension based on performance and project needs
Hybrid / remote-friendly, depending on role and project requirements
Work in a large, enterprise-scale digital environment
Long-term contract with extension potential
Opportunity to apply deep Java and IBM platform expertise on mission-critical systems
DeARX Services (Pty) Ltd, established in 2001, is a South African based company focused on providing Information Technology business solutions, products and consulting to customers in various industries.
The business is structured into 2 divisions:
DeARX Resourcing: specialists in temporary and permanent recruitment.
DeARX Managed Services: delivers end-to-end systems integration solutions across a wide spectrum of technologies, with deep specialisation in cloud-native platforms, DevOps, identity management, and data integration. Our services span the full integration lifecycle—from assessment and architecture to deployment, monitoring, and support—anchored by a strong foundation in technologies such as IBM, WSO2, Apache Camel, Kubernetes, and AWS. We offer a robust integration Platform-as-a-Service (iPaaS) model, deployable across cloud and on-premise environments, enabling clients to retain control, scale flexibly, and integrate securely across hybrid infrastructures. With a proven track record of crafting pragmatic, high-performing solutions backed by automation, observability, and continuous delivery practices, we help clients unlock lasting value and innovation in their digital ecosystems
