Kuala Lumpur · Malaysia ⟶ Fintech & Payment Systems

Peu Wai Thian.

Software engineer building secure, scalable payment infrastructure — from gateway integrations and PCI DSS compliance to cloud operations.

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Currently
Swif Fintech
Role
Software Development Manager
Focus
Payment gateway · PCI DSS
Since
2020
01 About

Engineering trust into systems that move money.

Software engineer with 8+ years building and leading fintech products — from payment gateway integrations and PCI DSS compliance to CI/CD pipelines and cloud infrastructure. Hands-on across the full stack, with a focus on secure, scalable systems.

0
Years experience
0
Organizations
0
Roles held
v4.0.1
PCI DSS certified
02 Experience

A hands-on track record.

    • —Lead continuous development and maintenance of payment gateway and related fintech products.
    • —Shipped gateway enhancements including terminal integration, POS module, e-invoicing, and e-wallet integration.
    • —Pioneered AI-assisted development workflows across the team — sizable gains in coding, docs, and reporting.
    • —Supported PCI DSS compliance and multi-intermediary LHDN integration.
    • —Led the team in continuous development and maintenance of the payment gateway.
    • —Achieved Peppol Certified Service Provider status in production.
    • —Led successful PCI DSS certification — ensured adherence to all applicable standards and audits.
    • —Managed infrastructure: Linux administration, networking, databases, and deployment pipelines.
    • —Developed and maintained the payment gateway end-to-end — frontend, API, database, deployment.
    • —Built a B2B prepaid app for digital products — mobile app, backend API, and store deployment.
    • —Administered Linux servers, networking, and MySQL/MariaDB supporting production.
    • —Built and maintained CI/CD pipelines and managed cloud infrastructure on Azure.
    • —Led full-stack implementation of Outcome-based Education Assessment per Malaysian Qualification Framework.
    • —Created analytical reports that helped the university refine programmes and courses.
    • —Configured CI/CD pipelines across projects.
    • —Built scheduled sync scripts to transform data across heterogeneous database schemas.
    • —Maintained the front-end of a major application used by academic staff.
    • —Led a full-stack project for university administrators to manage programmes.
    • —Front-end development on a major application used by academic staff.
    • —Exposure to serverless architecture and cloud deployment concepts.
    • —Worked with Flask, Ionic/Angular, and AWS for full-stack delivery.
03 Key Achievements

Shipped in production.

2020 — Present

Payment Gateway Platform

  • Delivered integrations across major payment methods — FPX, credit card (MPGS), and popular e-wallets (Touch 'n Go, DUITNOW QR).
  • Led the company to achieve and maintain PCI DSS compliance (2024–2026), currently certified under PCI DSS v4.0.1.
2023

Unifi Mobile Dealer App

  • Independently built and shipped the full backend integration layer connecting to TM APIs, powering the Unifi Mobile Dealer App.
2025

Peppol Certified Service Provider

  • Helped Syntrino Solutions achieve Peppol Certified Service Provider status in production — enabling compliant e-invoicing for clients.
04 Skills

A broad technical toolkit.

01 · Languages / Frameworks
  • Python
  • C# / .NET
  • JavaScript
  • TypeScript
  • React
  • React Native
  • Angular
  • Ionic
  • Flask
02 · Infrastructure & Tools
  • Linux
  • AWS
  • Azure
  • Terraform
  • Firebase
  • GitLab CI/CD
  • GitHub Actions
  • RabbitMQ
  • Azure Service Bus
  • Docker
  • OpenTelemetry
  • Prometheus
  • Jira / Confluence
03 · Databases
  • SQL Server / Azure SQL
  • MySQL / MariaDB
  • SQLite
04 · Practices & Methodologies
  • DevOps
  • PCI DSS
  • OWASP Top 10
  • OWASP API Security Top 10
  • DDD / CQRS
  • Peppol / E-Invoicing
  • Git Workflows
05 Education
2016 — 2019
Bachelor's Degree in Software Engineering
Asia Pacific University & Staffordshire University (Dual Award)
2015 — 2016
Foundation in Computing & Technology
Asia Pacific University
2010 — 2014
Malaysian Certificate of Education (SPM)
SMK Raja Ali
06 Contact
Open to fintech, payments,
and infrastructure conversations.
Email peu.thian@gmail.com GitHub github.com/ken30 LinkedIn peu-wai-thian