Software Engineer: Back-End III

Capitec; Stellenbosch; On-site; ZAR 900,000 - 1,200,000; Full time

Benefits offered by this job

Clear career path

Job summary

Capitec in Stellenbosch seeks a highly skilled Software Engineer to join the Cash Devices team on a permanent basis. You will work on Postilion-based integrations and ATM device software in a lab-focused environment.

The role requires hands-on experience with Postilion systems, Java integrations, ISO 8583, and ATM protocols, with strong debugging and documentation skills. Based in Stellenbosch, you will access an ATM lab and collaborate cross-functionally.

Qualifications

• Minimum 5 years’ experience in a Postilion systems role.
• Minimum 5 years’ current experience with either Postilion SDK or Java development in integration-heavy environments.
• Strong understanding of ISO 8583 messaging and 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 (PowerShell or Python).
• Solid database knowledge; SQL Server experience preferred.
• Strong analytical, troubleshooting, and debugging skills.
• Excellent communication and documentation abilities.
• Experience in banking, fintech, payments, or switching platform environments.

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

Skills

Postilion SDK

Java development

ISO 8583 messaging

ATM device protocols

Git / GitHub

PowerShell

Python

SQL Server

Analytical skills

Education

Grade 12 National Certificate / Vocational

Tertiary IT qualification

Tools

Postilion Realtime

PostCard

Postilion Office

Job description

Employer Overview

Capitec is more than a bank. We exist to simplify banking and help our clients take control of their financial lives. Our focus is on delivering accessible, affordable banking through personal experience, while constantly evolving our technology to support how clients engage with us. Our success is driven by talented, committed teams who take ownership, act with energy, and always put the client first.

At Capitec, we are guided by our CEO values in everything we do: putting the client first, acting with energy, and taking ownership. We support our people through a strong Employee Value Proposition that focuses on cohesive, high-performing teams, meaningful learning and growth opportunities, and competitive employee benefits and savings. We are committed to creating an inclusive environment where every team member feels welcomed, valued, supported, and empowered to grow their career.

About the Role

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 experience with either:
  • Postilion SDK or
  • Java development in integration-heavy environments
• Strong understanding of ISO 8583 messaging and 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 Server experience preferred
• Strong analytical, troubleshooting, and debugging skills
• Excellent communication and documentation abilities
• Experience in banking, 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