• Developed and deployed custom full-stack web applications for 100+ global clients with a 100% satisfaction rating.
• Built fast, secure payment gateways, backend tools, and custom dashboard web experiences.
• Designed and integrated performant REST APIs using Node.js, Express, and databases.

• Built simple RESTful APIs, connected external databases, and developed interactive portfolio websites.
• Modeled and optimized database schemas (MySQL, PostgreSQL, MongoDB) for data consistency and query performance.
• Collaborated on shared codebases using Git version control and deployed services on Vercel.

• Programmed custom game plugins and server mechanics using Java.
• Optimized logic flow for low latency and high concurrency server environments.
• Loaded and parsed custom configurations dynamically for game rules.

Serving as Founder & Vice President of Decade IT Club, focusing primarily on teaching and mentoring members in programming and web development. Guided fellow students through coding fundamentals and hands-on projects.

As Head of Public Relations for Cassevas Cup, I manage external relations with sponsors, partners, and stakeholders to secure support and collaboration. In charge of building and maintaining strong relationships to ensure the success of the event.

As Secretary of KIR (Kelompok Ilmiah Remaja), I handle administrative and documentation tasks, including meeting minutes, correspondence, and record-keeping for research activities and competitions. Also supported members in organizing and preparing scientific research projects for submission to journals and competitions.

Member of the Journalism extracurricular, PDD (Publication, Documentation, and Decoration) division, responsible for documenting school events and creating publication materials and decorations for various school activities.