Requirements
The role requires working knowledge of MPGS, CyberSource, and other payment gateways, including their integration and transaction flows. A solid understanding of ecommerce product fundamentals, such as checkout and payment flows, cart integration, and common ecommerce platforms, is essential. Broader product knowledge of payment gateways and acquiring systems, understanding API integration fundamentals (REST/SOAP, request-response, authentication, JSON/XML), and the ability to write and document structured test cases are also required. Clear written and verbal communication skills are necessary for cross-team coordination.
Description
【Role Overview】PMX is looking for an Integration Specialist to own the technical integration of payment gateways and acquiring systems across our ecommerce product suite. The role goes beyond execution: alongside hands-on integration work with MPGS, CyberSource, and other payment gateways, the successful candidate brings a working product understanding of ecommerce checkout and payment flows, merchant platforms, and how gateway and acquiring architecture shapes the product experience. This is a Product-function role that pairs technical integration delivery with informed product judgment and works closely with engineering, scheme partners, and gateway providers.【Key Responsibilities】Integration delivery — Own end-to-end integration of payment gateways and acquiring switches — including MPGS, CyberSource, and other gateways as PMX's portfolio expands — with our ecommerce and acquiring platform.Certification support — Assist with scheme certification and testing cycles (e.g., Visa, Mastercard, Amex, JCB, Diner, Discover, Jaywan) alongside the product and certification team.Ecommerce product input — Apply ecommerce product knowledge — checkout flows, cart and payment page design, merchant platform integration points — to shape how integrations are scoped and delivered.Product & acquiring knowledge — Bring broader product understanding of payment gateways and acquiring systems to integration and roadmap discussions, not just the mechanics of a single integration.API integration — Support API integration work — request/response mapping, authentication flows, data formats (JSON/XML), and error handling — for merchant onboarding and platform connectivity.Documentation — Maintain clear documentation of integration specifications, test evidence, and defect logs; escalate blockers with sufficient technical context.Cross-team coordination — Work with internal engineering and external vendor/scheme technical teams to translate integration requirements into implementation and test plans.【Product Domain Knowledge】Beyond the technical integration skillset, this role requires solid product domain knowledge across the following areas:Ecommerce — Checkout, cart, and payment page flows, and how ecommerce platforms structure the payment experience.Acquiring — How acquiring architecture, settlement, and scheme processing come together end-to-end.Merchant onboarding — Merchant KYC/KYB, onboarding workflows, and the requirements merchants must meet to go live.Operations — Day-to-day payment operations, including reconciliation, exception handling, and dispute/chargeback processes.Mobile SDKs — Integrating payment SDKs into iOS/Android apps and mobile-specific checkout flows.Wallet payments — Wallet-based payment methods (e.g., Apple Pay, Google Pay, and regional wallets) and how they fit into the payment flow.【Required Skills & Knowledge】Working knowledge of MPGS (Mastercard Payment Gateway Services), CyberSource, and other payment gateways, including their integration and transaction flows.Solid understanding of ecommerce and ecommerce product fundamentals — checkout and payment flows, cart integration, and common ecommerce platforms.Broader product knowledge of payment gateways and acquiring systems — how gateway, switch, and acquiring components fit together, beyond a single integration.Understanding of API integration fundamentals — REST/SOAP concepts, request-response cycles, authentication, and JSON/XML data formats.Ability to write, execute, and document structured test cases (manual QA); exposure to test management tools is a plus.Clear written and verbal communication for coordinating across product, engineering, and external partners.【Preferred Qualifications】5 years of experience in payments, fintech, or ecommerce, with direct exposure to payment gateway or acquiring integration.Prior experience working on an ecommerce product or platform (merchant-side, PSP, or gateway) is strongly preferred.Bachelor's degree in a relevant field (Computer Science, Engineering, Information Systems, or equivalent experience).