VIVIAN YEOH

Solutions Architect | Systems Integration Lead

📍 Kuala Lumpur, Malaysia ✉️ your.email@example.com 🔗 linkedin.com/in/vivianyeoh

8+

Years Experience

50+

Projects Delivered

10+

Team Members Managed

Multi

Industry Clients

Professional Summary

Results-driven Solutions Architect and Systems Integration Lead with 10+ years of experience delivering end-to-end technology solutions for businesses across multiple industries. I specialize in building robust software systems, integrating hardware devices, payment gateways and cloud infrastructure to drive real business impact. I lead teams, manage projects, and hire top talent to deliver high-quality solutions on time and within budget.

Core Strengths

Technical Skills

Languages & Frameworks

PHP, Node.js, MySQL, Redis

Cloud & DevOps (AWS)

EC2, S3, RDS, ALB, CloudFront, Route53, Auto Scaling, Lambda, CloudWatch, IAM, VPC, Elastic Beanstalk, Docker

Integrations & Technologies

Payment Gateways (fpx, eGHL, PayPal, Stripe, SSLCommerz), RFID, NFC, Thermal Printers, Handheld Terminals, Barcode Scanners, REST APIs, Webhooks, MQTT

Tools & Others

Git, GitHub, Postman, Swagger, Linux, nginx, Apache, CI/CD, Jira, Trello, Figma

Education

Bachelor of Information Technology
(Software Engineering)
Multimedia University, Malaysia
Graduated: 2015

Professional Experience

Solutions Architect / Systems Integration Lead

[Company Name] • Kuala Lumpur, Malaysia
2021 – Present
  • Lead the architecture, development and deployment of scalable systems including POS, ticketing, event management, travel management and membership platforms.
  • Integrate multiple payment gateways including FPX, eGHL, PayPal, Stripe and other providers with secure transaction flows and reconciliation.
  • Design and integrate IoT solutions using RFID, NFC, barcode scanners, thermal printers, handheld devices and other peripherals into business systems.
  • Purchase and source hardware devices from China and other overseas suppliers, manage vendors, negotiate pricing, and ensure quality and timely delivery.
  • Deploy and manage highly available applications and infrastructure on AWS (EC2, S3, RDS, ELB, Auto Scaling, Route53, CloudFront, CloudWatch, IAM, VPC, etc).
  • Architect and build RESTful APIs and microservices for web, mobile and third-party integrations.
  • Manage full project lifecycle: requirement gathering, system design, development, testing, deployment, training and ongoing support.
  • Lead a team of developers, set goals, assign tasks, review code and ensure high-quality deliverables.
  • Hire and build development teams by posting job ads on online platforms, screening resumes, conducting interviews and selecting the right candidates.
  • Manage project timelines, budgets and resources to ensure projects are delivered on time and within scope.
  • Work closely with clients and stakeholders to understand business needs and provide technical solutions that drive results.
  • Continuously optimize systems for performance, security and scalability.

Senior Full Stack Developer

[Company Name] • Kuala Lumpur, Malaysia
2018 – 2021
  • Developed and maintained web and mobile applications using PHP, JavaScript, Flutter and Kotlin.
  • Built admin dashboards, reporting systems and analytics for business operations.
  • Integrated third-party APIs and payment systems.
  • Implemented IoT solutions for access control, tracking and automation.
  • Assisted in planning, estimating and delivering projects with the team.

Full Stack Developer

[Company Name] • Kuala Lumpur, Malaysia
2016 – 2018
  • Developed custom web applications, e-commerce sites and internal systems.
  • Designed and optimized databases and server-side logic.
  • Deployed applications to shared hosting, VPS and cloud environments.
  • Troubleshoot issues and provided ongoing maintenance and support.

Junior Developer

[Company Name] • Kuala Lumpur, Malaysia
2015 – 2016
  • Assisted in development of web applications and system modules.
  • Performed unit testing, bug fixing and documentation.
  • Worked closely with senior developers to learn and contribute.

Key Projects & Solutions Delivered

POS System

Developed a fully integrated POS system with sales, inventory, customer management, reporting and multiple payment gateway integrations.

Membership & Loyalty Platform

Built membership system with tier management, points, rewards and campaign management.

Event & Ticketing System

Built event management and ticketing platform with seat selection, QR code check-in, payment integration and real-time reporting.

AI / Chatbot Integration

Integrated AI chatbot and automation to improve customer engagement and operational efficiency.

Travel Management System

Created travel solution for booking, itinerary, payment processing and vendor management.

Cloud Infrastructure on AWS

Designed and deployed scalable, secure and cost-optimized infrastructures on AWS for multiple applications.

RFID & Access Control System

Integrated RFID and NFC solutions for attendance tracking, access control and asset management.

Hardware Integration

Integrated thermal printers, barcode scanners, cash drawers and handheld devices with custom applications.

Industries Served

Retail & POS Events & Ticketing Travel & Hospitality Membership & Loyalty Logistics & Tracking Education & Others