Senior Java Developer - POS Solutions

About the role

A leading innovation, services and support partner to retailers, retail banks and payment service providers across South Africa and key African markets is looking for a Senior Java Developer in Cape Town. The developer will build and maintain Java-based Point of Sale (POS) solutions for large-scale retail organisations, combining technical leadership, hands-on development and stakeholder collaboration to deliver high-performance, scalable and reliable software.

Key responsibilities

• Develop and maintain Java-based POS solutions, ensuring performance, scalability and reliability.
• Work with stakeholders to design, prototype and implement new software and functional extensions aligned with business needs.
• Lead the development and integration of SAP Retail solutions, including SAP integration concepts and architecture.
• Integrate third-party solutions using SOAP, REST and iDocs.
• Build responsive user interfaces with Java SWING, HTML5 and CSS.
• Interface with hardware such as card terminals, POS printers and fingerprint sensors.
• Create reports with Jasper Reports and iText and manage receipt and line printing.
• Maintain technical documentation including UML diagrams, wikis and SDK guidelines.
• Build, mentor and lead a team of developers.
• Drive the full software development lifecycle, from requirements to deployment, and identify performance bottlenecks.
• Ensure code quality through coding standards, testing, code reviews and deployment.

Required profile

• Degree in Computer Science, Information Systems or equivalent experience.
• Extensive Java development experience, preferably in retail, payments or POS environments.
• Proven experience with SAP integration concepts and architecture.
• Team leadership and mentoring abilities, and strong communication with stakeholders.

Required skills

• Java (core development)
• SAP integration concepts
• SOAP, REST and iDocs
• Java SWING, HTML5, CSS
• Jasper Reports and iText
• Hardware integration (card terminals, POS printers, biometric devices)
• UML and technical documentation