Role Overview
We are seeking an experienced Business Analyst to drive the technical and operational integration of our client's payment solution with major local acquiring/issuing banks in Vietnam. In this role, you will act as the key liaison between internal development teams, partner banks, and enterprise merchant clients, ensuring precise data mapping, compliance with local banking protocols, and smooth SDK onboarding.
Key Responsibilities
Lead end-to-end technical discussions with local Vietnamese banks to facilitate the integration of the payment engine.
Translate local/custom bank message specifications (ISO 8583 standards and Vietnamese banking variations) into technical integration specs and data mapping rules.
Collaborate with core banking and switch technical teams to guide the embedding and testing of the Host Library within domestic banking infrastructure.
Analyze and document workflow requirements for secure credential management, tokenization, and authentication between merchant apps, bank switches, and processor backends.
Post-delivery, act as the primary technical liaison for top-tier enterprise merchants assisting with SDK embedding, workflow validation, and UAT support.
Prepare precise functional specifications, API interface documentation, transaction flow charts, and test acceptance criteria.
Requirements & Qualifications
5+ years of experience as a Business Analyst in Fintech, Payment Gateway, Acquiring Systems, or Core Banking integration projects.
Strong understanding of payment switching, card schemes (Visa/Mastercard/NAPAS), POS/Tap-to-Phone technology, and ISO 8583 protocol / message customization.
Hands-on experience reading API specs, payload structures, and cryptographic authentication concepts (e.g., PIN block translation, HSMs, tokenization).
Excellent stakeholder management and communication skills in both Vietnamese (for local bank teams) and English (for international technical stakeholders).
Strong analytical skillset to troubleshoot message payload discrepancies, transaction flow bottlenecks, and merchant integration issues.
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