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Jobs / GR8 Tech / Senior Payment Support Manager
Posted 2026-06-19

Senior Payment Support Manager

Description

This role exists to own end-to-end technical configurations for merchant payment integrations and cashier configurations, ensuring compliant, reliable, and observable payment processing across environments. The role focuses on accelerating time-to-live for clients through accurate setup, validation, and maintenance of payment configurations. It is a critical function as all client journeys and payment expansions depend on correct configuration processes.

Responsibilities
  • Intake, clarify, and prioritise configuration change requests from clients and internal teams.
  • Translate business constraints into executable configurations across payment methods and MIDs.
  • Configure and maintain payment methods, acquirer connections, and MIDs in Back Office.
  • Plan and execute end-to-end validation including request/response mapping, callbacks, and reconciliation checks.
  • Coordinate production launches ensuring readiness across Engineering, SRE, Compliance, and Support.
  • Provide L3 support, investigate incidents, and resolve configuration-related issues.
  • Analyse logs and transactions using observability tools to ensure configuration stability.
  • Define monitoring dashboards and alerts for approval rates, errors, and provider performance.
  • Maintain documentation, workflows, and act as subject-matter expert for Payment Gateway configuration.
Requirements
  • Minimum 2+ years of experience in payment integrations configurations or similar roles (required).
  • Experience in configurations, QA, or Business Analysis within payments or fintech (required).
  • Strong understanding of JSON and XML with ability to configure payloads and provider schemas (required).
  • Hands-on experience with REST clients and API contract validation (required).
  • Working knowledge of SQL/PostgreSQL for data validation and diagnostics (required).
  • Experience with webhooks/callbacks verification and troubleshooting (required).
  • Experience with Git/GitLab for configuration versioning and change control (required).
  • Basic understanding of CI/CD processes (required).
  • Solid understanding of payment flows including authorization, capture, settlement, refund, and void (required).
  • Knowledge of 3DS/SCA flows and MID management (required).
  • Awareness of compliance and risk controls such as KYC, AML, and fraud rules (required).
  • Practical experience with Postman or similar REST tools, JIRA, Confluence, manual testing, and log analysis tools (required).
  • Strong sense of ownership, ability to manage multiple tasks, and understanding of SDLC processes (required).
  • Experience in iGaming industry (nice-to-have)
Benefits
  • Cafeteria - annual budget you allocate to: Sports • Medical • Mental health • Home office • Languages.
  • Paid maternity/paternity leave + monthly childcare allowance.
  • 20+ vacation days, unlimited sick leave, emergency time off.
  • Remote-first + tech support + coworking compensation.
  • Team events (online/offline/offsite).
  • Learning culture with internal courses + growth programs.
About GR8 Tech

GR8 Tech is a business-to-business iGaming software provider headquartered in Limassol, Cyprus, supplying sportsbook and casino platform technology to operators. It is the rebranded B2B arm of Parimatch Tech, spun out from the consumer Parimatch brand in 2023. The company's modular platform supports millions of active users across more than 40 countries, maintained by a team of over 900 specialists. GR8 Tech focuses on high-performance, scalable sportsbook and gaming infrastructure.

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