- Implemented Backend using ExpressJS and Prisma ORM, integrating AWS SES for email communication, AWS S3 for file storage, and a payment gateway for user transactions.- Handle user registration process, KYC Verification Pipeline using Xignature.- Developed a CRM web application for the marketing team, enabling demographic analysis and targeted newsletter campaigns.- Assisted in developing key features for a trading system, utilizing QuestDB, Redis, and socket.io for seamless functionality.- Contributed to the development of a comprehensive system for both internal and public trading competitions, ensuring scalability and optimal performance for over 90 participants.- Developed a backend system to calculate, analyze, and manage greenhouse gas emissions generated by the company. Assisted companies in establishing emission reduction targets and offsetting emissions.- Developing a backend system for monitoring planted trees, which includes managing forest project data and blocks, while also enabling NGOs to monitor trees within their assigned projects.- Developed a backend system facilitating the management of forest projects, empowering companies to contribute to enhancing Environmental, Social, and Governance (ESG) efforts.- Integrated an efficient API Key mechanism enabling companies to make immediate contributions through incoming transactions, while individuals can participate by donating via an integrated payment gateway.- Utilized Docker for containerization and the AWS environment, employing services like RDS for database management and ECR for Docker image storage.- Implemented CI/CD pipelines with CodePipeline for streamlined development and deployment.

- Developed a web application using ReactJS to help students explore campus buildings.- Successfully worked with a team of 6 developers to migrate the app from desktop-based to web-based.- Contributed to building a system for registering organizational participants using ReactJS, successfully handling over 50 participants.- Researched about translating UI/UX to high-quality code, maintainable, and how to debug on web application development.- Debugging existing software products at UNIKOM so that maintenance and improvement can be carried out continuously.

- Contribute to the creation of an internal website for monitoring and taking action on disaster sensors- Implementing UI/UX design into web applications using the Vue.js framework and RESTful API integration from the backend.

- Contribute to the creation of web applications regarding email management such as incoming mail, outgoing mail, disposition, agenda, and others used by local governments.- Translates UI/UX into high-quality and maintainable code so that it can be used by front-end developers.