Senior Backend Engineer - Postilion ATM Integrations
Summary
Senior Backend Engineer builds and maintains ATM integrations using Postilion, Java SDKs, and ISO 8583 to ensure stable, secure banking transactions.
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.