Senior Payment Technical Manager

Responsibilities

• Own end-to-end technical configurations for merchant payment integrations and cashier configurations
• 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 and reconciliation checks
• Coordinate production launches across Engineering, SRE, Compliance, and Support
• Provide L3 support and investigate configuration-related incidents
• Define monitoring dashboards and alerts for approval rates and provider performance
• Maintain documentation and act as subject-matter expert for Payment Gateway configuration

Requirements

• 2+ years of experience in payment integrations configurations or similar roles
• Experience in configurations, QA, or Business Analysis within payments or fintech
• Strong understanding of JSON and XML for payload and schema configuration
• Hands-on experience with REST clients and API contract validation
• Working knowledge of SQL/PostgreSQL for data validation and diagnostics
• Experience with webhooks/callbacks verification and troubleshooting
• Experience with Git/GitLab for configuration versioning
• Basic understanding of CI/CD processes
• Solid understanding of payment flows (authorization, capture, settlement, refund, void)
• Knowledge of 3DS/SCA flows and MID management
• Awareness of compliance and risk controls (KYC, AML, fraud rules)
• Proficiency with Postman, JIRA, Confluence, and log analysis tools
• Fluent English (B2+)
• Ukrainian or Russian (B1+)

Preferred Qualifications

• Experience in the iGaming industry

Benefits

• Benefits Cafeteria: annual budget for sports, medical, mental health, home office, or languages
• Paid maternity/paternity leave and monthly childcare allowance
• 20+ vacation days, unlimited sick leave, and emergency time off
• Remote-first environment with tech support and coworking compensation
• Team events (online, offline, and offsite)
• Learning culture with internal courses and growth programs

About the Company

GR8_TECH builds B2B iGaming platforms for operators, delivering full-cycle, high-impact tech designed to scale, from seamless integrations to long-term operational support.