Software Engineer: Back-End III

About the role

Capitec is seeking a highly skilled Software Engineer to join its Cash Devices team on a permanent basis. The role focuses on developing, integrating, and supporting custom ATM solutions that form a critical part of Capitec’s ATM estate. It combines strong Postilion expertise with SDK‑based Java development and requires hands‑on access to the ATM lab in Stellenbosch.

Key responsibilities

• Develop and maintain custom applications and interfaces using the Postilion SDK.
• Build and support Cash Devices applications and device integration solutions (ATM, POS, etc.).
• Customize and extend Postilion functionality to meet business and operational requirements.
• Develop and maintain SDK‑based integrations using Java.
• Support and upgrade integration drivers between devices and ATM applications.
• Provide technical support, troubleshooting, and issue resolution for Postilion‑related systems.
• Collaborate with cross‑functional teams including QA, infrastructure, and business analysts.
• Support patching, upgrades, and lifecycle management of ATM software platforms.

Required profile

• Minimum 5 years of experience in a Postilion systems role (Postilion Realtime, PostCard, Postilion Office, ATM application environments).
• At least 5 years of recent experience with Postilion SDK or Java development in integration‑heavy environments.
• Strong understanding of ISO 8583 messaging and ATM transaction flows.
• Experience with ATM device protocols such as Diebold 912 and NCR NDC.
• Proficiency with modern source control systems (Git/GitHub) including branching and code reviews.
• Scripting experience, preferably PowerShell or Python.
• Solid database knowledge; SQL Server preferred.
• Excellent analytical, troubleshooting, and documentation skills.

Required skills

• Postilion SDK
• Java
• ISO 8583
• ATM device protocols (Diebold 912, NCR NDC)
• Git / GitHub
• PowerShell
• Python
• SQL Server

What we offer

• Opportunity to work on critical banking infrastructure.
• Access to a dedicated ATM lab for hands‑on development.
• Collaborative environment focused on client‑first values.