07/2022 - Sekarang
Ruby on Rails/Python/AWS/MySQL/Redis/Elasticsearch/GraphQL
• Spontaneously take ownership of the a/b testing microservice and revamp functionalities to support parallel user assignments, complex policy configurations, and more. Yield widespread benefits across all feature teams, leading to an 80% increase in product designer adoption and a 25% reduction in development time for experiment-related tasks.
• Led the design and development of advanced search functionality for the teacher wall, enabling students to find required teachers among 100+ multilingual instructional topics without difficulty, which boosts search usability by 20% and conversion rate by up to 10%.
• Architect and build an English-practicing voice chatbot, AI Tutor Bella, which utilizes OpenAI API and AWS cloud technologies, helping 10k+ students to enhance their English speaking skills anywhere and anytime with minimal resistance.
• Devise and implement a sophisticated and lightweight asynchronous mechanism for AI content generation with OpenAI API. Leverage caching and queue workers to strategically enforce rate limits on OpenAI API calls and result in a P95 server response time consistently under 100 ms.
• Unify multiple video transcoding scripts into a single, well-modulized repository by introducing a flexible DAG model, empowering developers to define transcoding workflows in business logic for swift application integration with Lambda function which reduces development time by 50%.