Senior Java Engineer-Design Lead, Payment Gateway

Join a global-scale payment platform team as a senior, hands-on engineer who leads basic design and delivers production-grade Java services end-to-end. You'll bridge architectural intent and day-to-day implementation, raising engineering quality through clear guidelines, strong reviews, and practical mentorship.

Client Details

Our client is a large, well-established digital commerce and fintech ecosystem company operating at global scale. Its payment platform supports transaction-critical services with a strong emphasis on security, reliability, and compliance across multiple business lines.

Description

Design & Development

• Lead basic design for new features and external paymentserviceintegrations (PSP), including:
  • Software architecture and component design
  • Database schema design and data flow decisions
• Define, maintain, and continuously improve design guidelines and coding standards
• Build, test, and deploy production-grade Java applications across the full SDLC

• Review system designs pre-implementation to identify structural risks early
• Conduct code reviews with focus on correctness, maintainability, performance, and security
• Provide clear, actionable feedback that explains the "why," enabling team learning
• Turn recurring issues into documented guidelines to prevent repeat defects

• Support engineers and team leads by aligning design intent with implementation reality
• Act as a bridge between senior stakeholders and engineers to reduce friction and increase consistency
• Raise the overall engineering bar through hands-on guidance, exemplars, and pragmatic standards

Job Offer

• Opportunity to own design leadership for a security-focused payment platform
• A role combining hands-on delivery with real influence on engineering standards and quality
• Hours: 9:00-17:30 (break 12:00-13:00)

To apply online please click the 'Apply' button below. For a confidential discussion about this role please contact Serena Wu on +81 3 6627 6137.