• Summary Report Priority Customer — Maintenance an app
  Maintained and enhanced a reporting application that ensures banks comply with OJK regulations by delivering accurate and timely reports to priority customers.
  Impact: Strengthened compliance and reduced reporting errors.
  Technologies: ExpressJs, SQL, Docker.

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• Suspanse Account — Maintenance an app
  Optimized a suspense account application used to handle ambiguous financial transactions awaiting classification. Improved system reliability and data accuracy through maintenance and refinements.
  Impact: Increased financial data clarity for faster reconciliation.
  Technologies: Java, SQL, Jenkins, SAP Crystal Reports 2020, Finastra Framework.

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• Complaint Tracking System — Migrating an app
  Migrated a legacy complaint management system to a modern technology stack, ensuring seamless integration across the entire complaint lifecycle—from creation to closure. Designed a feature-prioritization framework and executed the migration with zero data loss.
  Impact: Improved maintainability and enabled future scalability while preserving critical functionality.
  Technologies: Java, SQL, Jenkins, SAP Crystal Reports 2020, Electronic Document Management System (EDMS), Finastra Framework.

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• Weekly Financial Report — Making an app
  Developed a web application that displays company financial statements across flexible accounting periods, enabling investors to assess performance and predict future cash flows. Designed dynamic tables to adapt to varying date ranges.
  Impact: Enhanced decision-making by providing accurate and customizable reports.
  Technologies: Java, JSP, jQuery, SQL

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• Single Customer View — Reengineering process flow
  Reengineered data validation workflows and ETL processes to ensure accurate data with LPS (Lembaga Penjamin Simpanan). Simplified large flows into smaller, manageable processes to improve performance and accuracy.
  Impact: Increased system reliability and aligned reporting with user requirements.
  Technologies: Java, Talend, SQL

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Built a RESTful API application with JWT authentication using Laravel Passport. Implemented CRUD APIs for posts and categories with relational mapping, pagination, and unit tests. Integrated Laravel UI with Blade templates for authentication and admin CRUD features.
Impact: Delivered a secure and scalable foundation for content management.
Technologies: Laravel, PHP, MySQL, Blade, PHPUnit

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Collaborated on academic research in Aspect-Based Sentiment Analysis of Tokopedia Playstore reviews. Processed raw text data by scraping, cleaning, tokenizing, and applying NLP techniques (stop word removal, case folding, stemming).
Impact: Provided deeper insights into customer sentiment across Tokopedia’s platform features.
Technologies: Python, NLP (Text Preprocessing, Tokenization), JupyterLab

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Developed a tuition fee management application to streamline bookkeeping and accounting. Designed workflows, built low-fidelity wireframes, and implemented the system using Laravel and MySQL.
Impact: Simplified financial tracking for schools and improved transparency for users.
Technologies: PHP, Laravel, MySQL, Bootstrap

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Contributed to the development of an educational platform under Kusuma.sch.id. Built a student enrollment system for kindergarten to vocational levels during the COVID-19 pandemic. Migrated the foundation’s website to a new server and ensured system reliability through testing and maintenance.
Impact: Supported online education continuity during the pandemic and streamlined student registration.
Technologies: PHP, CodeIgniter, MySQL, WordPress, cPanel

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