Yan Hai
🚀
Yan Hai
Adyen

Engineering Leader | Payments Platforms | AI-First Mindset

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Engineering leader with deep experience building and scaling payment platforms and high-performing teams across APAC. I develop engineers and align teams across regions and time zones so distributed teams deliver as one. I bring an AI-first mindset to how teams work and deliver, without trading quality or operational rigor.

One team, no borders

Treat all regions as one team; grow people who multiply the team’s impact.

Ownership mindset

Own the full outcome: the team, the platform, and what runs in production.

Open communication

Timely feedback builds trust and keeps teams effective under pressure.

Iterative improvement

Great systems and teams are never “done”; they improve through continuous learning.

Experience

  1. work

    Team Lead, Alternative Payments (APAC)

    Adyen • Singapore
    • Lead a Singapore engineering team of 7 and mentor the Sydney team, building shared practices across regions
    • Own APAC delivery for 20+ local payment methods across 10+ countries; align regional execution with global architecture and standards
    • Build and standardize LPM-native flows across payment, modification, settlement, recurring, and monitoring, moving LPMs beyond card-centric adaptations
    • Evaluate candidate partners on API, settlement, reporting, latency, and ops cost; set requirement priority with product and own backend connection architecture based on each partner’s trade-offs
    • Drive AI adoption with internal MCP servers and reusable skills that raise team velocity and reduce repetitive work
  2. work

    Software Engineer, Payments

    Adyen • Singapore
    • Spearheaded a unified partner-webhook receiver covering 50+ methods across APAC, EMEA, LATAM, and US
    • Decomposed the payment acceptance gateway into card, tokenization, IPP, and LPM services, and rolled it out without business interruption
    • Integrated two payment partners in India end-to-end across alternative, bank, and card methods
    • Led token localization and data purging; migrated ~10M tokens to India-based infrastructure
  3. work

    Engineering Manager

    • Led cross-functional engineering, QA, and DevOps teams across Singapore and India; coached engineers into senior and lead roles
    • Drove local payroll from a monolith to microservices: independent deploys, release cadence from monthly to daily, and failures contained to a single service
    • Built a jurisdiction-aware master-data framework for legal properties and government submission portals (Singapore, Thailand, Vietnam)
  4. work

    Software Engineer

    • Designed domain-driven service boundaries and inter-service APIs to cut duplicated data maintenance across subsystems
    • Delivered Thailand local payroll end-to-end; extended legacy payroll architecture and an internal DSL for overseas markets

Education

  1. education

    Computer Technology

  2. education

    Network Engineering

Focus
Platforms Platforms
Product Product
People People
Craft
Back-end Back-end
Front-end Front-end
Never-end Never-end
Hobbies
Coding Coding
Gym Gym
Sleep Sleep
Languages
English English
Mandarin Mandarin
Listen Listen