- Actively engage in the analysis of new features, offering valuable insights and recommendations to enhance implementation and integration. - Collaborate closely with business analysts, and product owners leveraging my expertise to assist in comprehensive business analysis. - Analyze business, solution definition, and implement features, research new technology for the improvement of each service. - Design and implementation of APIs for high performance, seamless integration by front-end developers, and implementing comprehensive security practices to mitigate potential vulnerabilities. - Re-organize source code structure (package by features), multi-module, clean architecture. - Build some common dependencies for reusable in microservices. - Apply Design Pattern for cleaning code and easier for maintaining. - Apply Log Distributed Tracing: Logbook to intercept request/response, Open Telemetry for custom dimension and integrate with App Insights to visualize the log on Azure Portal for searching log transactions. - Apply Redis caching to improve communication with each service. - Handle DevOps tasks such as deployment service, build pipeline, troubleshoot issues related to deployment, and working with Kubernetes by creating the manifest file. - Write rest tests (C#) to verify end-to-end features through multiple services. - Adapt so well the project about technology and business. - Gain knowledge about Credit Card, Voucher, Wallet, Insurance features, also Payment Options such as Webview, Credit Card and Pay Later. - API integration from multiple partners and communicate between multiple services. - Self-research to apply pattern for service enhancement. - Enhancement of DevOps skills: deployment workflow by GitOps, Kubernetes. - Microservice Architecture and Microservice Problems. - Monitoring and Troubleshooting. - Work with international team.

- Working with Scrum process (two-week sprint). - Analyze business, solution definition, and implement features. - Write integration tests (Cucumber with Ruby) to verify features on the system. - Migrate SAS code of the old system to the new system with Java (Spring Framework). - Migrate serverless API (Lamda Functions with Serverless Framework) to Java (Spring Framework). - Integrate Admin page (Ruby on Rails) with migrated API. - Enhance UI issue (ReactJS library). - Transfer business logic to team members. - Adapt to work pressure, creative and innovative for purpose of improving work efficiency. - Improve analyze the old system and migrate to the new system (analyze code). - Improve integration test (test between multiple systems). - Implement the complicated system communicate asynchronous via messaging queue, state machine, rule engineer. - Improve AWS concept and practice. - Improve micro-services system knowledge. - Improve JavaScript with ReactJS. - Working with the onsite team and improving English speaking skills.

- Discuss with Br.SE to create basic design and detail design. - Analyze business and implement features. - Perform difficult tasks, improve performance for the business verification. - Review the source code of the team members. - Break tasks and assign tasks to team members (Sub Project Technical Leader). - Transfer project business to team members (Host knowledge transfer session). - Perform unit tests, manual tests, and capture evidence. - Solve the difficult problem in a short time. - Willing to support, review source code and explain the solution. - Manage time and tasks. - Improve Java programming skills. - Improve PL/SQL skills. - Improve JQuery, JavaScript skills.

- Work with the Scrum process. - Perform manual and automated testing for web and mobile applications. - On Job Training about Automation Testing (Selenium, TestNG, and Jenkins). - On Job Training Java Developer (Java 8, MySQL, Spring, Spring Boot, and Spring Data JPA). - Understand application testing and developing processes. - Understand and work well with the Scrum process. - Improve Testing concepts. - Improve Java programming skills. - Improve English Communication skills.

- Research and catch-up knowledge about web application and mobile application security. - Perform black-box testing for web applications based on OWASP standards. - Performed penetration tests and simulated cyber attacks to identify and address potential security vulnerabilities. - Be aware and improve web application security. - Understand the flaws that can occur when developing an application. - Developing a secure application.