Developed Pijar Sekolah application series serving 500,000+ users including students, teachers, stakeholders, ops teams, and government by converting 100+ Figma designs into pixel-perfect, responsive interfaces using React.js and Tailwind CSS.

Integrated 100+ APIs across 10+ projects using REST API, ensured 80%+ unit test coverage with Jest, Enzyme, and React Testing Library, reduced critical errors by 30% with ESLint & SonarQube, and optimized performance with Webpack and Lottie animations.

Led a 1 to 5-person Front-End team, conducted code reviews, mentored new joiners, collaborated with the development team, built reusable components, implemented unit testing and API integration, and deployed features to staging & production using CI/CD pipelines for smooth and timely releases.

Proposed, initiated, and developed custom web applications using JavaScript and CSS. IoT-enabled and streamlined existing workflows — resulting in a 90% reduction in manual workload and significantly increasing operational efficiency.

Designed and built applications to eliminate repetitive tasks, enabling users to achieve their goals more efficiently without switching between multiple platforms or performing manual updates.

Collaborated with vendors to develop tailored solutions by gathering detailed requirements, conducting in-depth research, and analyzing relevant data to ensure the final product aligned with business needs and specifications.

Developed and IoT-enabled academic systems using JavaScript and CSS, streamlining workflows and reducing manual data entry by 90%.

Converted paper-based processes—including payments, academic records, and library data—into fully digitized web applications, improving accuracy and accessibility for over 200 students and staff.

Collaborated directly with the university rector to deliver a centralized web platform that enhanced institutional transparency and information dissemination.