About Unlimit
Unlimit is the global fintech powerhouse behind the world’s largest proprietary payments infrastructure.
Founded in 2009, Unlimit operates across 17 global offices with 700+ experts, seamlessly integrating 1,000+ payment methods into a single platform. From London to São Paulo, we empower businesses to scale across borders with a unified suite of financial tools — including payment processing, alternative payment methods, multicurrency business accounts, card issuing, banking-as-a-service, and crypto on- and off-ramps.
Our mission is to break down financial barriers and enable seamless money movement across borders. We give forward-thinking businesses the tools to accept, send, and manage payments effortlessly, wherever they operate.
Role Overview
The Senior Technical Support Engineer specializing in Alternative Payment Methods (APM) is a critical technical role responsible for the stability, performance, and reliability of all APM integrations within our PSP/fintech ecosystem.
This engineer acts as the top-tier technical expert for merchants, internal Product/Engineering teams, and external payment partners. The primary focus is on resolving complex incidents, driving deep root-cause analysis (RCA), leading operational improvements, and guaranteeing seamless, high-volume transaction processing for all supported APMs.
Success in this role requires advanced technical proficiency, superior analytical skills, and the ability to articulate complex issues clearly to both technical and non-technical audiences.