Senior Integration Engineer / Integration Service Lead

About the Role: We are seeking a highly specialized Integration Service Professional tojoin our Singapore team. In this critical role, you will be responsible forarchitecting, developing, and maintaining secure integration services andpayment portals. You will act as the technical anchor, bridging modern webtechnologies, API gateways, and enterprise-grade financial securityinfrastructure. The ideal candidate possesses deep expertise in full-stackdevelopment, API management, hardware security modules (HSM), and traditionalbanking payment flows. Key Responsibilities: • API Gateway& Backend Development: Architect, configure, and manage high-performanceAPI gateways using Nginx and Apache APISIX. Develop and maintain robust backendAPI services using Java Spring Boot. • FrontendPortal Development: Design and build intuitive, responsive userinterfaces and operational portals using the Vue3 tech stack. • Infrastructure& Database Management: Administer and optimize Linux-based serverenvironments. Design, query, and maintain complex Oracle Database schemas tosupport high-volume transaction processing. • Security& Cryptography: Manage and integrate Luna HSM (Hardware SecurityModule) for cryptographic key management, encryption, and secure transactionsigning. Ensure all integrations comply with strict financial securitystandards. • PaymentIntegration: Support the integration and processing of cheque payment workflows,ensuring seamless transaction lifecycles, clearing processes, andreconciliation within the banking/payment ecosystem. • SecurityCompliance & Penetration Testing: Implement and enforceweb and infrastructure security guidelines. Act as the primary technicalsupport during security penetration tests, addressing vulnerabilities, andensuring continuous compliance with regional and global security standards. • SystemReliability: Monitor integration health, troubleshoot cross-system failures, andimplement high-availability solutions for mission-critical financial services. Mandatory Requirements: • Communication: Master in Chinese/English communication. Native or bilingual fluency in both Mandarin Chinese and English is strictlyrequired. You must be able to articulate complex technical concepts clearly todiverse stakeholders, regional partners, and global teams. • API &Backend Stack: Demonstrated mastery in configuring Nginx and Apache APISIX for API routing, rate limiting, and security. Extensive production experiencewith Java Spring Boot for enterpriseAPI services. • FrontendStack: Mastery in Vue3 forbuilding modern, scalable UI portals and dashboards. • Infrastructure& Security: Deep expertise in Linux system administration. Strong proficiency in Oracle Database . Hands-on experiencewith Luna HSM maintenance andapplication deployment. • Security& Compliance: Familiarity with cheque payment processing, clearing systems, and traditionalbanking settlement workflows. • SecurityTesting: Familiarity with web and infrastructure security guidelines. Provenexperience in supporting and remediating findings from security penetrationtests. PreferredQualifications: • Bachelor’s or Master’s degree in Computer Science,Information Technology, or a related field. • 5+ years of professional experience in systemintegration, preferably within the FinTech, banking, or financial servicessector. • Familiarity with financial compliance standards(e.g., PCI-DSS, MAS guidelines). • Experience with CI/CD pipelines, containerization(Docker/Kubernetes), and automated testing. What We Offer: • Competitive base salary commensurate withspecialized financial-tech experience. • Comprehensive healthcare and statutory benefits. • Opportunity to work at the intersection of moderntech stacks and core banking infrastructure in a global financial hub. • A collaborative, multicultural work environment.