Unlimit2mo ago

Support Engineer

Serbia·BelgradeFull-Timemid

Customer SupportSupport Engineer

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Quick Summary

Overview

About Unlimit Unlimit is a global fintech ecosystem built to eliminate financial borders holding businesses back. The company provides the extensive infrastructure needed to scale globally, integrating payment processing, multi-currency business accounts, BaaS and crypto gateways into a single,…

Key Responsibilities

Communication with client's support representatives in Slack chats Escalation of tickets to Engineers of the Card Processing Team Online monitoring of the in-house card-processing system Analysis of system events - system logs, etc.

Requirements Summary

Experience in supporting card processing systems at least 1 year or 2 years of any payment processing systems Knowledge of the principles of Card Processing Operations of the authorization and clearing part Hands-on experience with any logging…

Technical Tools

datadogsalesforceslacksplunksqlfintech

About Unlimit

Unlimit is a global fintech ecosystem built to eliminate financial borders holding businesses back. The company provides the extensive infrastructure needed to scale globally, integrating payment processing, multi-currency business accounts, BaaS and crypto gateways into a single, intelligent platform.

Across 17 offices globally, Unlimit bridges hyper-local expertise with a high-capacity financial network, giving companies the agility to expand across regions with operational confidence and speed. Driving the evolution of payments, Unlimit is transforming its infrastructure from human-operated fintech into AI-native financial infrastructure — where APIs are consumed by machines, integrations are negotiated by agents, and systems evolve continuously through intelligent automation. Our next users are not only humans. They are AI agents acting on behalf of humans and businesses.

Unlimit serves more than the needs of businesses today; we are building the nervous system for a borderless global economy.

Requirements:

Experience in supporting card processing systems at least 1 year or 2 years of any payment processing systems
Knowledge of the principles of Card Processing Operations of the authorization and clearing part
Hands-on experience with any logging system (Splunk, CloudWatch, DataDog, etc.)
Knowledge of the HTTP protocol of the application layer, experience with the API-browsers (Postman, Swagger, etc.)
PL/SQL - writing simple CRUD queries

Nice to have:

Experience with Core Banking System, (experience with Temenos would be your benifit)
Experience with KYC/KYB (like SumSub, etc.)
Experience with SmartVista
Any experience with Banking as a Service products
Hands-on with SalesForce

Responsibilities:

Communication with client's support representatives in Slack chats
Escalation of tickets to Engineers of the Card Processing Team
Online monitoring of the in-house card-processing system
Analysis of system events - system logs, etc.
Reception and processing of reverse tasks from internal teams
Performing and automation of routine procedures (including AI automation tools): file exchange, running of system scheduled tasks
Setting up emulators of payment systems (setting up test/pre-prod environments)

Join Unlimit Team now!

Unlimit is an equal opportunity employer. We believe passionately that employing a diverse workforce is central to our success. We make recruiting decisions based on your experience and skills. We welcome applications from all members of society irrespective of age, sex, disability, sexual orientation, race, religion or belief.

Location & Eligibility

Where is the job

Belgrade, Serbia

On-site at the office

Who can apply

Listing Details

Posted: May 12, 2026
First seen: May 13, 2026
Last seen: July 17, 2026

Posting Health

Days active: 64
Repost count: 0
Trust Level: 31%
Scored at: July 16, 2026

Signal breakdown

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Apply for this position

Unlimit

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Unlimit is a global fintech company offering comprehensive payment solutions to businesses, enabling them to expand and optimize their payment processes.

Employees

350

Founded

2009

Domain

Jobs

External application · ~5 min on Unlimit's site

Please let Unlimit know you found this job on Jobera.