Develop Report & Analytic module of TestOps which is a test management application for Katalon Studio.Manage process of scrum in R&A team (Team size: 8).Scrum Master, APM and technical consultant for intern teams. Support cross-team and scaling in Scrum.TestOps Gen3 Architecture (Java, Kafka, React JS): Led the design and implementation of a micro-frontend architecture, splitting TestOps into multiple applications, reducing release times by 50% (from monthly to bi-weekly), and optimizing CI/CD processes. Supervised the POC and guided two engineers through implementation.Superset Integration (Java, PostgreSQL, React JS, Redis): Integrated Superset BI tool into TestOps to streamline chart development, reducing time by 90%. Developed a secure proxy middleware to manage Superset API requests and ensure sensitive data access controls.Katalon Application Under Test (Flutter, React JS, Java): Defined requirements and led two intern teams in developing a healthcare app for Katalon testing, enabling the testing of 30 new mobile and keyword features. Served as Scrum Master and Technical Consultant for a team of 12 engineers.Virtual Data Analyst - GPT Integration (Java, PostgreSQL): Developed GPT-based integration to offer valuable suggestions for reports and tests, achieving a customer satisfaction rating of 4.5/5.Platform Pricing (Kotlin, TypeScript, PostgreSQL, Kafka): Migrated old pricing structure to a unified platform pricing model, enhancing Katalon’s brand visibility and cohesion in the market.Folder Tree Solution (Java, PostgreSQL): Implemented PostgreSQL's L-tree extension to manage hierarchical data, optimizing front-end retrieval and updates in the folder tree structure.

Acquired basic knowledge of Java and the Java Spring framework to develop web applications. Contributed to several simple projects, implemented basic features, and fixed bugs in the real product, Katalon TestOps, which was released in production.