Senior Payment Technical Manager
GR8 TechGR8 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. 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.
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.