Middle Payment Technical Manager
GR8 Tech · Remote · Posted October 27, 2026
- Who can apply
- EU-wide
Location fields: Europe
- Pay
- Not stated in the posting
- How you’d be employed
- Employee
- Level
- Mid-level
- Location in the posting
- Europe
- Skills required
- Payment integration configuration, JSON, XML, REST APIs, Postman, SQL, Jira, Confluence
- Nice to have
- iGaming, KYC/AML
- Benefits in the posting
- 20 vacation days, Health insurance, Home office budget, Coworking budget, Extra parental leave, Wellbeing budget
Analyzed from the full posting. Quotes are the posting’s own words.
From the posting
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.
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.