Yan Hai
Engineering Leader | Payments Platforms | AI-First Mindset
Engineering leader with deep experience building and scaling high-performance payment platforms across APAC markets. I lead distributed teams and align regional delivery with global architecture and standards, partnering closely with Product, Partnership, and Commercial teams to turn market needs into technical strategy. I bring an AI-first mindset to engineering, cutting repetitive work, standardizing processes, and amplifying engineering leverage to lift delivery velocity without trading away quality or guardrails.
One team, no borders
Across sites and time zones, I build one team and empower people as force multipliers.
Ownership mindset
I take full responsibility for outcomes, from initial design to production delivery.
Transparent communication
Open, timely feedback builds trust and keeps teams effective, even under pressure.
Iterative improvement
Great systems are never “done”; they evolve through continuous iteration and learning.
Experience
Team Lead - Alternative SG
- Directly lead one engineering team and mentor other teams and their leads across APAC, establishing shared engineering practices and a cross-site leadership pipeline
- Own APAC delivery for alternative and bank-based payments, aligning regional execution with global architecture and standards set at Amsterdam HQ
- Partner with Product, Partnership, and Commercial teams to turn regional market needs into technical strategy and align stakeholders from onboarding to settlement
- Champion AI adoption on top of company tooling, spreading shared AI practices and building internal MCP servers and reusable skills to reduce repetitive work and lift delivery velocity
- Led monorepo decomposition and microservices migration, increasing team autonomy and accelerating feature delivery
- Standardized alternative and bank-based payment integrations with a flow-oriented monitoring framework, cutting implementation complexity and enabling proactive issue detection
Full Stack Java Developer
- Architected and delivered two India-specific payment integrations from scratch, enabling seamless processing across alternative, bank, and card payment methods
- Led critical compliance initiatives, including token localization and data purging, and orchestrated full token migration from global to India-specific infrastructure
- Delivered payment solutions across multiple APAC markets, covering the full lifecycle from merchant onboarding to settlement
Engineering Manager
- Led cross-functional teams of engineers, QA, and DevOps across Singapore and India, building cross-country delivery capability and coaching individuals into senior and lead roles
- Designed a domain-driven microservices architecture using Spring Cloud and Kafka to enable reliable, real-time communication and improve system resilience
- Drove the end-to-end transformation of a monolithic local payroll solution into a distributed microservices ecosystem with Docker and Kubernetes, improving scalability, maintainability, and lifecycle management
- Built a flexible framework for defining, validating, and managing jurisdiction-specific data while maintaining compatibility with legal forms and government submission portals
Software Engineer
- Built and delivered a complete payroll product for the Thailand market from the ground up, tailored to local compliance requirements and operational needs
- Modernized legacy systems with limited documentation by introducing extensible architecture patterns and custom DSL enhancements, improving flexibility and enabling international expansion
- Championed automation initiatives with Selenium and Jenkins while establishing strong code quality practices and consistently delivering in Agile environments
Education
Computer Technology
Network Engineering
Skills
Back-end
Front-end
Never-endInterests
Software
Hardware
PeoplewareHobbies
Coding
Gym
SleepLanguages
English
Mandarin
Silence