Senior Back-End Software Engineer: Cash Devices

Recruiter:

wePlace

Job Ref:

JHB000933/AS

Date posted:

Wednesday, May 13, 2026

Location:

Cape Town, South Africa

SUMMARY:

An industry leading Bank has an exciting opportunity available for a Senior Back-End Software Engineer who has strong Postilion expertise.

POSITION INFO:

Our client is looking for a highly skilled Software Engineer to join their 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 the ATM estate. This is a specialist role combining strong Postilion expertise with SDKâbased Java development, with a primary focus on configuration, integration, and operational stability, rather than pure greenfield software development.

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 SDKâbased integrations using Java
Support and upgrade integration drivers between devices and ATM applications
Provide technical support, troubleshooting, and issue resolution for Postilionârelated systems
Collaborate with crossâfunctional teams including QA, infrastructure, and business analysts
Support patching, upgrades, and lifecycle management of ATM software platforms

The 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 integrationâheavy 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

Should you not receive a response from us within one week of your application, your application has unfortunately not been successful.

You can visit our website for more vacancies: / LinkedIn

Senior Back-End Software Engineer: Cash Devices

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