Senior Backend Engineer - Postilion ATM Integrations

ATS Client; Cape Town; On-site; ZAR 900,000 - 1,300,000; Full time

Benefits offered by this job

Clear criminal and credit record

Job summary

ATS Client is seeking a Senior Back-End Software Engineer with strong Postilion expertise to enhance ATM software platforms. You will focus on configuration, integration and operational stability rather than pure greenfield work.

The ideal candidate brings 5+ years in Postilion environments and hands-on experience with SDK-based Java integrations, ISO 8583 messaging, and device protocols for ATM and cash devices. Banking/fintech exposure is valued.

Qualifications

• Minimum 5 years in a Postilion systems role with related products.
• Experience with Postilion Realtime, PostCard, Postilion Office and ATM environments.
• 5+ years in Postilion SDK or Java in integration-heavy settings.
• Strong knowledge of ISO 8583 messaging and ATM transaction flows.
• Experience with ATM device protocols and source control workflows.

Responsibilities

• Develop and maintain applications/interfaces using the Postilion SDK.
• Build and support Cash Devices applications and device integration solutions.
• Customize Postilion functionality to meet operations needs.
• Develop and maintain SDK-based integrations using Java.
• Support and upgrade integration drivers between devices and ATM apps.
• Provide technical support, troubleshooting, and issue resolution for Postilion systems.
• Collaborate with QA, infrastructure, and business analysts teams.
• Assist patching, upgrades, and lifecycle management of ATM software platforms.

Skills

Analytical Skills

Attention to Detail

Communications Skills

Interpersonal & Relationship

Problem solving skills

Education

Grade 12 National Certificate / Vocational

A relevant tertiary qualification in Information Technology

Tools

Postilion SDK

Java

Git / GitHub

PowerShell

Python

SQL Server

Job description

ATS Client is seeking a Senior Back-End Software Engineer with strong Postilion expertise to enhance ATM software platforms. You will focus on configuration, integration and operational stability rather than pure greenfield work.

The ideal candidate brings 5+ years in Postilion environments and hands-on experience with SDK-based Java integrations, ISO 8583 messaging, and device protocols for ATM and cash devices. Banking/fintech exposure is valued.