GR8 Tech is hiring a Senior Payment Technical Manager

GR8_TECH builds B2B iGaming platforms for operators who play to lead. We deliver full-cycle, high-impact tech designed to scale — from seamless integrations and expert consulting to long-term operational support. Our platform powers millions of active players and drives real business growth. Call it what it is: the iGaming Platform for Champions. With 1000+ GR8 people across locations and time zones, we don’t just ship technology — we help operators build success stories across brands, markets, and geos. Our ambition drives us. Our people make it real. If you’re a challenger in spirit and a champion in action — join us. Why this role exists: 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. It is a critical function as all client journeys and payment expansions depend on correct configuration processes. What you’ll drive: Client configuration and setup - 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. Validation, launch, and support - 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. Observability, processes, and ownership - 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. What makes you a GR8 fit: Must-have - Minimum 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 with ability to configure payloads and provider schemas. - 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 and change control. - Basic understanding of CI/CD processes. - Solid understanding of payment flows including authorization, capture, settlement, refund, and void. - Knowledge of 3DS/SCA flows and MID management. - Awareness of compliance and risk controls such as KYC, AML, and fraud rules. - Practical experience with Postman or similar REST tools, JIRA, Confluence, manual testing, and log analysis tools. - Strong sense of ownership, ability to manage multiple tasks, and understanding of SDLC processes. Nice-to-have - Experience in iGaming industry. Why you’ll love working here:  Benefits Cafeteria — annual budget you allocate to: Sports • Medical • Mental health • Home office • Languages. Work-life & support - 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. Our culture & core values: GR8_TECH culture is how we win — through trust, ownership, and a growth mindset. We move fast, stay curious, and keep it real, with open feedback, room to experiment, and a team that’s got your back. FUELLED BY TRUST: we’re open, honest, and have each other’s backs. OWN YOUR GAME: we take initiative and own what we do. ACCELER8: we move fast, focus smart, and keep it simple. CHALLENGE ACCEPTED: we grow through challenges and stay curious. BULLETPROOF: we’re resilient, ready, and always have a plan.