Senior Payment Technical Manager

Join GR8 Tech as a Senior Payment Technical Manager to lead payment integrations and configurations for iGaming platforms. Drive client setups, ensure compliance, and support payment processing across environments. 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.

• •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.

• •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.

• •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.