- Built web applications for a wholesale marketplace using React, Material UI, and Typescript.- Collaborated with backend developers for seamless integration and user experience.- Ensured optimal user experience through responsive design and cross-browser compatibility.- Monitored application performance and addressed issues promptly using Sentry.- Worked with UI/UX designers to implement user-friendly interfaces.

- Developed web applications for dashboard and landing pages mutual aid platform using Next.js, Tailwind CSS, and TypeScript.- Integrated blockchain smart contract to provide decentralized claim insurance, ease affordability, payment using cryptocurrency such as USDT, USDC in Ethereum and Solana network using Circle, Ether.js, Infura, and Stellar.- Worked closely with CTO, Product Manager and several Blockchain and AI advisors to develop features such as Simple Critical Illness and Life Program.

- Created AI UX Writing Assistant for figma plugin using Vite.js, SASS, SWR and Typescript and web application using Next.js, SWR, Tailwind CSS, and TypeScript.- Implemented reusable UI components to maintain page performance and usability.- Worked with CTO and CEO to develop copy library, cowrite, proofread, terms, and tone of voice.

- Built reusable UI components and redesigned web pages using Next.js, SWR, Tailwind CSS, and TypeScript.- Implemented end-to-end testing with Cypress to ensure robust code quality and reliability.- Introduced microfrontend architecture using a Single Page Application (SPA) to enhance Dana Tunai, CRM, and Moladin Car Shop for better modularity and scalability.- Monitored application performance and addressed issues promptly using Sentry.- Participated in product releases and conduct thorough testing with QA Engineers.

- Built reusable UI components and revamped pages for both mobile and web platforms using Apollo Client (GraphQL), React, React Native, Tailwind CSS, and Typescript.- Engaged in code reviews, ensuring timely delivery and high code quality and provided technical guidance to cross-functional teams.- Ensured robust code quality through comprehensive end-to-end tests with Cypress.- Monitored mobile and web application and addressed issues promptly using Sentry.- Participated in sprint planning and daily stand-ups, and product releases, ensuring alignment with Agile methodology.- Rebuilt a legacy web application in React 17 using Next.js, and Tailwind CSS, accompanied by a comprehensive UX redesign. Released a beta MVP within a 4-months timeframe.- Worked with QA Engineer to conduct thorough testing of new products and promptly addressed any identified issues within a 3 days timeframe.

- Developed large scale microservices for credit loan and score with REST methods with Spring Boot, Oracle DB and Apache Kafka.- Delivered accessibility-compliant mobile applications with cross-browser and cross-platform compatibility, which were responsive for real-time location sharing and achieved a 15% faster load time.- Developed mobile and web applications in accordance with client briefs, adapting designs to meet changes in client specifications. Leveraged technologies such as Nhost, React Native, Redux, UI Kitten, and Typescript for mobile applications, and Nhost, React, Tailwind CSS, Redux, and Typescript for web applications.- Implemented a pub/sub client-server system to reduce customer data load time for notification, verification, and validation using Apache Kafka.- Mentored a team of frontend developers, enhancing their skills in modern technologies such as React, React Native, Redux, and Tailwind CSS.- Optimized SQL queries for heavy-load parts of the system, improving responsiveness and reducing database costs by 30%.- Participated in product releases and code reviews with the Lead Software Engineer and Engineering Manager.- Reduced page load time to less than 2 seconds for more than 5 pages and increasing the conversion rate by up to 40%.- Set up a testing framework for React components using Cypress and Java codes using JUnit and Mockito to test the code.