* Project : SMART INVESTMENT | Singapore* Description:Helping a fintech startup client, who offers users profitable returns by investing in a diversified portfolio of high-performing, short-term bonds, in developing the mobile app and optimizing key features.* Responsibilities: - Collaborating with a Scrum team to automatically build, deploy and configure the infrastructure from AWS cloud by AWS CDK for the project. - Contributing to develop project’s features and logic using functional programming by FP-TS and clean architecture to assure codebase's consistency and maintainability. - Engaging in a client-facing role that requires directly working with SMEs and stakeholders to integrate their services into the system via APIs. - Assessing and implementing optimization measures to accelerate the performance of key system endpoints to deliver optimized results.* Achievement: - Launching a production version app currently used by twenty thousand users - Reducing the execution duration for the buy and sell stock lambda endpoint by 75%.

* Project : Flex Chat | America* Description:A software designed to streamline receipts and expense reporting with features required by the product manager, simplifying financial processes for businesses and individuals.* Responsibilities: - Diagnosing and troubleshooting system bugs to ensure smooth system operation, product output matched client requirements and enhanced user experience. - Working with a cross-functional team to develop a bot that automates work processes and manages work quality, ensuring compliance and policy.*Achievement: - Successfully deploying a bot boosting team productivity by 50%. - This project exceeded client expectations.

* Project: EC-STORE | Thailand* Description:A unified chats platform across all social media and e-commerce offers advanced solutions to automate customer engagement and sales processes for e-commerce sellers, aiming to boost operation efficiency and drive revenue.* Responsibilities: - Contributing to the project's implementation of key functions such as authentication, and buyer/seller features. - Collaborating with the team and client to develop complex discount systems, and shipping fee calculations. - Engaging in the integration of social media chat functionalities from multiple platforms such as Facebook, Instagram, and Line into project via APIs. - Builing a payment feature supporting multiple methods, including bank transfers, QR codes, and e-wallets, to provide diverse and flexible payment options. - Automatically deploying and editing project’s infrastructure on AWS using Terraform.* Achievement: - Successfully delivering an e-commerce app with all essential features mentioned above, fully meeting the client's requirements.