Lead, design and develop the "Super LMS", an integrated learning management system unifying all Ruangguru products.• Technologies: Go, Neo4j, MySQL, Redis, and Pub/Sub.• Core Service Development: Initiated “Super LMS” by developing a Role-Based Access Control (RBAC) service as core service that eliminating the previous “product” microservices approach.• Content Unification: Use graph database to fulfill all content requirements across all products.• Service Redesign: Redesign the Accomplishment domain to make more generic to accommodate all types of content accomplishment.• Implementation and Integration: Successfully deployed the Super LMS across various platforms including Schoters, Brain Academy, Skillacademy-Profesi, English Academy, and Ruangguru Privat.

Developed and designed backend services for Ruangkerja, a B2B learning platform byRuangguru. Go, MySQL, Redis, & Elasticsearch.

Responsible for network availability and performance in Eastern Jabotabek. Developed internal department’s data website using MySQL, Node.js, React.js. to collect and update all data easier.

Responsible for Customer Relationship Management (CRM) back-end development using ASP.NET Web API (C#) that is used by Mobile Virtual Network Operator (MVNO) as the customers. The development works together with another teams in Spain and China.

Developed a software using IMU board and AHRS algorithm to create a real time motion visualization of an object.