Technical onboarding and payments support specialist guiding high-risk merchants through gateway integrations, testing, and live processing. Troubleshooting APIs and coordinating PSP, acquirer, and technology partners.
Responsibilities
Guide new clients through technical integration with FinSet’s gateway and orchestration platform
Explain API documentation, integration requirements, authentication, credentials, sandbox environment, payment flows, testing procedures, and production-launch steps
Troubleshoot integration issues and identify likely causes
Gather technical information and escalate issues to the gateway/orchestrator technical team when necessary
Manage communication through issue resolution and translate outcomes back to clients
Help merchants navigate the gateway/orchestration platform
Configure and connect PSP/acquirer credentials as providers are onboarded
Coordinate technical requirements between merchants and relevant PSPs
Help merchants perform test transactions and validate payment flows
Troubleshoot failed tests and identify whether issues originate with the merchant integration, gateway/orchestrator, PSP, or configuration
Ensure technical setup is ready before live processing
Serve as the first technical-support contact for live merchants
Coordinate with merchant technical teams, FinSet’s internal team, gateway/orchestrator technical teams, and PSP/acquirer support teams
Keep communications organized and issues progressing toward resolution
Support transaction failures, API errors, configuration problems, credential issues, payment-method setup, routing questions, webhook/callback issues, PSP connectivity, and other payment-processing problems
Requirements
Previous experience in payment gateways, payment orchestration, PSPs, acquiring, or technical payments support
Comfortable reading and understanding API documentation
Able to explain API and integration requirements clearly to developers
Understanding of REST APIs, API requests/responses, authentication, webhooks/callbacks, credentials, sandbox versus production environments, and common HTTP/API errors
Practical understanding of online payment flows and how merchants, gateways, orchestrators, PSPs, and acquirers interact
Able to troubleshoot methodically rather than immediately escalating every issue
Able to collect error messages, request/response details, transaction IDs, timestamps, logs, and configuration details before escalating issues
Able to communicate technical problems clearly and efficiently with external technical support teams
Comfortable working with client developers and less-technical client stakeholders
Able to take ownership of issues through resolution
Highly organized and able to manage several merchant integrations and support conversations simultaneously
Clear and professional communication in English
Experience configuring PSPs or payment methods within gateways/orchestrators
Experience troubleshooting live payment-processing issues
Familiarity with payment routing, declines, webhooks, callbacks, transaction statuses, MID configuration, credentials, and payment-provider integrations
Experience with high-risk industries such as forex, CFDs, prop trading, iGaming, crypto, or similar verticals
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