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Core Banking Support Specialist - Oradian - Remote - Europe

Customer Service Representative

Posted: March 10, 2026
Posted 33 days ago
Last seen in crawl: April 9, 2026 (2d ago)
Estimated Expiry: April 14, 2026
Location
Remote - Europe
Remoteness
Remote
Field
Customer service
Role & Management
Role Level:Senior
Management Tier:No People Management
Job Type
Full-time
Experience
5 years
Required Languages
English
Specialisations
Core banking operationsTransactional accountingFinancial reportingIncident managementAPI integrations

Job Description

As a Core Banking Support Specialist, you will support Oradian’s clients globally, acting as a trusted expert on core banking operations, integrations, and transactional accounting. You will work with live production data, diagnose complex issues, advise clients on safe configuration and operational practices, and help ensure that balances, ledgers, and reports remain accurate and auditable. This is a remote role, working CET hours, in close collaboration with Customer Success, Product, Engineering, and Implementation teams.

Company Information

Oradian logo

Oradian

Technology

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Remote - Europe
Zagreb, Croatia
Remote

Job Details

Responsibilities

  • Provide expert support on core banking functionality including customer and account structures, transaction posting, interest and fee calculation, product configuration etc.
  • Diagnose issues by distinguishing between configuration errors, data integrity issues, integration failures, and platform defects.
  • Advise clients on safe operational practices in live banking environments.
  • Understand and reason about double-entry accounting concepts as implemented in the core banking system.
  • Support clients in explaining balances, movements, and discrepancies in operational and financial reports.
  • Investigate and resolve reconciliation issues across customer accounts, control accounts, and external systems.
  • Ensure that reversals, adjustments, and corrections preserve audit trails and financial integrity.
  • Support API-based integrations, including payment flows, webhooks, authentication, and error handling.
  • Investigate failed, delayed, duplicated, or reversed transactions and their accounting impact.
  • Act as a technical and domain bridge between client engineering teams and Oradian’s Product and Engineering teams.
  • Own incident triage and resolution for live banking issues, assessing severity, impact, and financial risk.
  • Communicate clearly and confidently with clients during incidents, prioritizing data accuracy and customer trust.
  • Escalate issues appropriately while maintaining ownership and accountability.
  • Contribute to support playbooks, technical documentation, and training materials.
  • Partner with Product and Engineering teams to improve platform robustness and reduce recurring issues.
  • Support Oradian in defining and tracking SLAs, KPIs, and support quality standards.

Requirements

  • 5+ years’ experience supporting core banking systems, payment platforms, or financial infrastructure in production
  • Strong understanding of transaction posting logic (debits, credits, reversals, value dates)
  • Strong understanding of interest and fee calculation
  • Strong understanding of product configuration and lifecycle
  • Strong understanding of ledger structures and reconciliation
  • Practical understanding of transactional and operational accounting including double-entry logic, control and settlement accounts, accrual vs posting, financial and operational reporting
  • Ability to explain financial movements and balances clearly to non-accountants
  • Experience supporting APIs and system integrations
  • Ability to read and interpret API requests/responses and logs
  • Comfortable diagnosing issues without relying solely on engineering escalation
  • Experience with customer support software and tools (ideally Zendesk), including their configuration to support management of SLAs and KPIs
  • Experience working in incident-driven, high-reliability environments
  • Strong analytical and problem-solving skills
  • Excellent written and spoken English
  • Ability to explain complex technical and accounting topics clearly and calmly

Skills & Technologies

Core banking systemsPayment platformsFinancial infrastructureTransactional and operational accountingAPIs and system integrationsAPI requests/responses and logsCustomer support software (Zendesk)Incident management
2 days agoContent Complete