Chong J.

Technical Lead 1. Leading a small team in the design, development, and maintenance of participant onboarding and testing systems. 2. Involved in solutioning for the internal testing ecosystem and simulators. 3. Improving application pipelines and experienced in AWS Cloud (ECS, Secret Manager, API Gateway). 4. Involved in code review, setting coding standards, and mentoring team members. 5. Collaborating with stakeholders to improve onboarding experience and system usability. 6. Produced detailed technical documentation for all system designs to ensure clarity, maintainability, and knowledge sharing across the team. 7. Lead for Onboarding Simulator (DuitNow, DuitNow Pay, NFP, Merchant Profile, Financial Reporting), Log Service, SDK, Merchant Profile API and many other projects. 8. Involved in hiring process, including conducting technical interviews and evaluating candidates. Achievements: 1. Built from scratch a self-service API signature certificate management system using GoLang. 2. Designed and led development of multiple simulators, and standardized them with a shared simulator library that caters to all simulators. Incorporated AWS SQS in the design to improve performance and scalability. 3. Designed and developed a high-performance Merchant Profile application using Spring WebFlux. 4. Designed and delivered SDKs for DuitNow and DuitNow Pay to simplify participant integration. 5. Improved participant onboarding journey — reducing onboarding time from 6–12 months to ~1 month

- Liaising with business stakeholders and gathering user requirements. - Involve in solution design and development. - Maintaining software system including legacy systems in order to ensure business continuity - Writing concise technical documentation on the solutions. - Involve in code review and setting coding best practice. - Involve in troubleshooting production issues. Achievement: 1. Involve in KYC flow design 2. Involve in solution and development of first blockchain contract deployment 3. Design and develop security module to integrate and store blockchain keypair securely. 4. Migrate and segregate UAT environment, fully setup new UAT environment using docker swarm. Migrate private blockchain to new UAT environment. 5. Setup ELK for microservice application. 6. Design and develop microservice to serve mobile application. Implement API gateway using service registry. 7. Develop keycloak extension to support custom flow.

- Involve in development. - Involve in code review - Support QA team on testing and debugging.

• Involved in details system analysis and create analysis document. • Identify bugs and troubleshoot, provide solution to fix the bug. • Provide daily support on wallet back end. • Perform application development and testing. • Contributing to architectural vision and writing coding to solve new and exciting problems • Follow up with QA team closely to ensure project meet requirement and timeline. • Working closely with the Ant Finance team to manage, plan, define and execute new development and enhancements

• To perform application development and testing. • Required to maintain and support project post-implementation activities. • Assist the team to create and maintain technical documentation. • Involved in research and development team to provide a system baseline and new system baseline implementation. • Research on tools that potential use in development, business analysis and support monitoring Technologies 1. Java 6, 7 & 8, Hibernate & Spring web framework 2. Microsoft SQL Server 2012 3. ISO 8583 4. Maven 5. Thymeleaf template engine Project Involvement 1. Bank Payment Gateway – Payment gateway solution that provide to bank use, to allow merchant to integrate their online payment solution with the bank. Provide API for direct payment and payment window page. A web management platform to allow bank user to manage all the transaction and promotion. Involved in Maybank Berhad payment Gateway, OCBC Singapore Payment Gateway, Ambank Payment Gateway 2. Involved in Payment Application Data Security Compliance process. 3. BSecure – Bsecure is a system that use in Indonesia cooperate with Artajasa Bersama to provide online payment solution with ATM card. The system is deployed in Indonesia to accept ATM card on ecommerce purchasing and provide 3D security, like credit card 3D identification. 4. IMS2.0 – IMS2.0 is an ACS 3D secure compliant payment server platform designed for issuers to provide payment verification and authentication for Card-Not-Present (CNP) transactions. The 3D secure framework is recognized by Visa, MasterCard and American Express as a standard for verification and authentication for e-commerce. For example, OTP page to verify the user and card holder identity when make payment via credit card in e-commerce platform or bank payment gateway.

• Perform application software development, testing, debugging assignments • To study and evaluate user requirements, design system flow, and conduct subsequent implementation and documentation • Perform software application testing • Maintains software design and operational manual • Provides system support and problem resolution • Provide training to customer Technologies 1. Linux Shell Scripting 2. Java Server Faces 3. Microsoft SSRS 4. Java with hibernate and SpringBoot 5. Enterest workbench 6. Oracle 11G 7. MySQL Project Involvement 1. DIGI DMS Revenue Assurance 2. UMobile Browser Menu (USSD) 3. UMobile System Monitoring Console 4. Starhub FMS integration

• Contribute to development of core system and its respective modules/components. • Ensure proper project and code documentation is carried out. • Assist in software testing, configuration and deployment • Develop a secure coding to meet PCI DSS requirement and OWASP. • Develop core automation module to perform daily processing request Technologies 1. Java EE 6, Struts library 2. Microsoft SQL 2008 Project Involvement 1. Involved in Payment Card Industry Data Security Standard (PCI DSS) compliance for the product. Managepay System Berhad successfully certified PCI DSS in December 2013. 2. OCBC Singapore MPOS. 3. Implement settlement process for Bank Islam Malaysia MPOS 4. Maybank MPOS 5. Maybank ETIQA Insurance 6. MDEX All in One

Completed industrial training in VOXz Software Solution, and the job position as software developer. During industrial training, I analyst system’s requirement and design the system’s database, involve in system development, debugging and system testing. Involved Project : - Magento, a ready e-commerce system. Able to understand the code and manage to modified to meet the clients requirement. - E-procurement system and - Payroll System.