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EU remote

Middle Payment Technical Manager

EuropePosted 27 Oct 2026

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About this role

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. WHAT YOU’LL DRIVE PAYMENT CONFIGURATION & LAUNCH MANAGEMENT - Configure projects, MIDs, payment methods, gateways, and client requests in Back Office according to agreed priorities; - Review requirements and clarify missing information before starting configuration; - Use AI-assisted tools, such as Kiro, to prepare MID configuration tasks based on client requirements and provider documentation; - Perform pre-production and production checks using established checklists and attach supporting evidence to Jira tasks; - Coordinate testing with PSPs, local testers, and merchant teams; - Execute production launches and verify initial transactions after each launch.

TECHNICAL TROUBLESHOOTING & SUPPORT - Provide L3 support for configuration-related issues and resolve them within agreed SLAs; - Investigate issues using logs, API responses, transaction records, and SQL queries; - Validate API contracts, payloads, webhooks, and callbacks to identify configuration issues; - Escalate blockers, dependencies, and delivery risks to the Team Lead; - Support merchant teams in troubleshooting payment configuration issues.

PROCESS IMPROVEMENT & DOCUMENTATION - Maintain configuration records, setup instructions, and troubleshooting documentation; - Develop a working knowledge of the 3API product, Payment Gateway adapters, and related configuration processes; - Collaborate with Product and Analytics teams to simplify configuration in Back Office and the Merchant Dashboard; - Identify recurring issues and propose improvements to configuration workflows; - Use AI-assisted tools to improve configuration accuracy and reduce manual work.

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MERCHANT ENABLEMENT & COLLABORATION - Work closely with internal teams, PSPs, local testers, and merchant teams to ensure successful payment launches; - Train merchant teams to configure MIDs and payment methods in Back Office using approved instructions; - Communicate configuration requirements, testing results, and potential risks clearly; - Ensure smooth handovers and consistent execution of established processes. WHAT MAKES YOU A GR8 FIT MUST-HAVE - At least 1–1.5 years of experience in payment integration configuration, technical operations, or a similar role; - Hands-on experience configuring payment methods and Merchant IDs (MIDs); - Strong understanding of JSON and XML, including payload structures and provider schemas; - Experience with REST APIs, API contract validation, and Postman or equivalent tools; - Working knowledge of SQL/PostgreSQL for data validation and troubleshooting; - Understanding of webhooks, callbacks, and common payment flows, including authorization, capture, settlement, refunds, and voids; - Knowledge of 3-D Secure (3DS), Strong Customer Authentication (SCA), and MID management; - Familiarity with Jira, Confluence, manual testing, and log analysis tools; - Basic understanding of CI/CD and software development lifecycle processes; - English at B2 level or above; - Ukrainian or Russian at B1 level or above.

NICE TO HAVE - Experience in the iGaming industry; - Familiarity with KYC/AML requirements and fraud prevention controls relevant to payment configuration; - Experience using AI-assisted tools for technical configuration or documentation; - Experience supporting production launches and resolving payment-related incidents. 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.

Source listing: ashby_gr8-tech

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