Software Engineer: Back-End III

Job Description

We are looking for a highly skilled Software Engineer to join our Cash Devices team on a permanent basis. This role focuses on the development, integration, and support of custom ATM solutions, forming a critical part of the software platform that supports Capitec’s ATM estate.

This is a specialist role combining strong Postilion expertise with SDK‑based Java development, with a primary focus on configuration, integration, and operational stability, rather than pure greenfield software development. The role is based in Stellenbosch, where hands‑on access to the ATM lab environment is required.

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.)
• Customise 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

Our Ideal Candidate Has

• Minimum 5 years’ experience in a Postilion systems role, including exposure to:
  • Postilion Realtime
  • PostCard
  • Postilion Office
  • ATM Application environments
• Minimum 5 years’ current experiencewith either:
  • Postilion SDK or
  • Java development in integration‑heavy environments
• Postilion SDK
• Strong understanding of ISO 8583 messagingand ATM transaction flows
• Experience with ATM device protocols(e.g. Diebold 912, NCR NDC)
• Experience working with modern source control systems(Git / GitHub), including branching, merge requests, and code reviews
• Scripting experience (preferably PowerShell or Python)
• Solid database knowledge; SQL Serverexperience preferred
• Strong analytical, troubleshooting, and debugging skills
• Excellent communication and documentation abilities
• Experience inbanking, fintech, payments, or switching platform environments

Education (Minimum)

• Grade 12 National Certificate / Vocational

Education (Ideal or Preferred)

• A relevant tertiary qualification in Information Technology

Skills

• Analytical Skills
• Attention to Detail
• Communications Skills
• Interpersonal & Relationship management Skills
• Problem solving skills

Additional Information

• Clear criminal and credit record