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Support Engineer

Belgrade💼 Full-time🗓 2026-06-24 → 2026-07-31

Core

Support and maintain card processing systems, monitor system events, and automate routine procedures for a global fintech infrastructure.

Role type

Support Engineer (Card Processing)

Builds

Card processing infrastructure and payment systems

Domain

Fintech / Payments

Deliverable

infrastructure

Required skills

Card processing operations (authorization and clearing), Logging systems (Splunk, CloudWatch, DataDog), HTTP protocol, API testing tools (Postman, Swagger), PL/SQL (CRUD queries)

Preferred skills

Core Banking Systems (Temenos), KYC/KYB (SumSub), SmartVista, Banking as a Service, Salesforce

Technologies

Splunk, CloudWatch, DataDog, Postman, Swagger, Temenos, SumSub, SmartVista, Salesforce

Responsibilities

Monitor in-house card-processing systems, analyze system events and logs, communicate with client support representatives, escalate tickets to engineers, perform and automate routine procedures including file exchange and scheduled tasks, set up emulators for payment systems

Seniority

Junior to Mid-level, hands-on IC

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