Project Portfolio

Aug 2024 – Present

Full-stack Developer

Design, develop, and maintain internal enterprise systems for dealers and suppliers. Integrate with core systems such as SAP and identity platforms (OID) to improve operational efficiency.

• Built systems supporting multi-party users (Dealers / Suppliers)
• Integrated SAP and internal enterprise systems
• Improved workflow and overall system performance

Jan 2024 – Aug 2024

Backend Developer

Developed eSolution systems for foreign customers, covering KYC, AML, and identity verification processes, including notification and biometric verification services.

• Implemented KYC / AML identity verification systems
• Integrated SMS and email notification services
• Developed face verification functionality
• Leveraged WebFlux for reactive system architecture

Nov 2022 – Dec 2023

Application Developer (Client-Server)

Developed and maintained RBFront, a client-server application, integrated with core banking systems via REST and SOAP services to support financial operations and regulatory compliance.

• Implemented FATCA and CRS compliance modules
• Developed international funds transfer (SWIFT) functionality
• Built mutual fund trading system features
• Integrated with core banking systems using REST and SOAP

Apr 2021 – Oct 2022

Full-stack Developer

Developed a budget allocation system for the Ministry of Finance and affiliated government agencies to support public sector financial planning and budget management processes.

• Built budget management and allocation system
• Supported multi-agency usage across government organizations
• Integrated SAP for financial data processing
• Developed both backend and frontend components

Nov 2020 – Mar 2021

Backend Developer (Microservices)

Developed the Krungthai FUN Card (Virtual Debit Card) system using a microservices architecture to support online transactions with secure authentication mechanisms.

• Developed backend services in Go within a microservices architecture
• Utilized Kafka and Redis for real-time processing and performance optimization
• Implemented 3D Secure authentication for transaction security
• Supported virtual debit card transaction processing

May 2020 – Sep 2020

Backend Developer

Developed a real estate collateral appraisal system to support loan underwriting by evaluating customer-submitted property assets and managing valuation data.

• Developed backend systems using Java (Struts and Spring Boot)
• Built user interfaces with JSP
• Supported asset data management and valuation workflows
• Implemented backend logic and business processes

May 2018 – Apr 2020

Full-stack Developer

Developed internal enterprise systems for a Japanese automotive company, covering vehicle sales, maintenance, and after-sales services. Also integrated financial systems with banking institutions for vehicle financing processes.

• Developed internal systems supporting automotive business operations
• Integrated vehicle financing systems with financial institutions
• Built applications using Java Spring Boot and Vue.js
• Responsible for both backend and frontend development

Mar 2018 – May 2018

Backend / Integration Developer

Developed an SMS notification system for customers who had not registered for online transactions, and built a large-scale log analysis system to generate business reports from transaction data.

• Implemented SMS notification system to enhance transaction security
• Designed log analysis system for high-volume transaction data
• Generated reports including transaction volume, success, and failure rates
• Worked on IBM Integration Bus and WebSphere platforms

Sep 2017 – Feb 2018

Backend Developer (Microservices)

Developed a Campaign Management System for importing and managing marketing campaign data. The system was built using a microservices architecture to support scalable campaign operations.

• Developed campaign data import and management features
• Built system using Java Spring Boot and Microservices architecture
• Implemented frontend components using HTML and JavaScript
• Supported marketing campaign workflow automation

Feb 2017 – Jun 2017

Full-stack Developer

Developed a Work List system to track and display pending tasks on a weekly and monthly basis, helping teams monitor work status and improve operational visibility.

• Developed task tracking system for weekly and monthly workloads
• Built system using Java Struts Framework
• Implemented frontend using HTML and JavaScript
• Improved visibility of pending tasks and workflow status

Label Printing System Developer

Developed a label printing system for manufacturing production lines, covering both raw materials and finished goods. The system collects real-time weight data from industrial scales and prints it onto product labels, with data integration to SAP for downstream business processes.

• Developed production line label printing system
• Integrated real-time weight data from industrial scales
• Connected system output with SAP for enterprise processing
• Built using PowerBuilder for industrial environment systems

Kids-to-Car Management System Developer

Developed the Kids-to-Car system for Denla Kindergarten School, designed to streamline student pickup operations and reduce traffic congestion. The system improves efficiency and safety for parents picking up their children.

• Developed real-time student pickup management system
• Integrated handheld devices for parent identity scanning
• Built client-server application using PowerBuilder
• Implemented supporting C# components for device integration