About the Company

Geekhunter is recruiting for our client, a South Korean fintech company specializing in digital banking infrastructure and B2B financial technology solutions.

Job Description

• Design system integration solutions and architecture based on the company's digital banking framework.
• Prepare technical documentation, including Entity Relationship Diagrams (ERDs), sequence diagrams, workflow diagrams, and API specifications.
• Lead technical discussions and documentation reviews with banking clients, business partners, and third-party vendors.
• Translate business requirements into practical technical solutions and integration approaches.
• Support technical presales activities, solution presentations, and discussions with prospective clients.
• Collaborate with development, infrastructure, and security teams at the company's South Korean headquarters to resolve technical issues.
• Support API integration, testing, User Acceptance Testing (UAT), production readiness, and go-live activities.
• Troubleshoot technical issues through log analysis, SQL queries, and system investigations.
• Provide technical support and serve as the first point of escalation for client-related technical issues.

Job Requirements

• Minimum 3 years of experience in Solutions Engineering, Solutions Architecture, Backend Engineering, or System Integration.
• Experience in the banking, fintech, or payment industries is preferred.
• Strong understanding of system architecture, REST APIs, OAuth 2.0, webhooks, and digital signatures.
• Proven experience preparing ERDs, sequence diagrams, and API documentation.
• Proficiency in SQL and technical troubleshooting.
• Strong communication and client-facing skills, with the ability to explain technical concepts to non-technical stakeholders.
• Proficiency in written and spoken English.
• Familiarity with Indonesia's SNAP API standards, Virtual Accounts, or BI-FAST is an advantage.