* Developed 4+ ML pipelines for educational data analysis by Azure Storage and Kubeflow * Developed 3+ full-stack, OAuth-protected apps for data scientists by TypeScript, React, and Next.js * Developed 2+ custom ChatGPT-based LINE chatbots by Azure OpenAI and .NET Bot Framework * Collaborated with data scientists to deliver custom web apps for research and data visualization

* Developed reusable components for 3+ frontend apps by JavaScript React, Redux, and Next.js. * Optimized React performance by reducing states and improving cache and redesigning APIs * Developed 6+ backend microservices by C# .NET, Python, Node.js on AWS Lambda * Developed REST APIs for communication between frontend and backend apps * Developed business ORM data models and C# LINQ queries * Developed SQL scripts and stored procedures to retrieve data for REST APIs * Developed ETL pipelines of marketing data by C# .NET, PySpark, AWS S3, SQS, Glue, and Kinesis * Developed Jenkins and GitHub CICD pipelines which were used by 95% of the team's new projects * Developed service status monitors with Python, Slack API, and AWS Lambda/SNS * Maintained OpenStack Linux and Windows servers by shell scripting * Improved coverage of unit tests to 85% or higher by React Testing Library, Jest, and MS Test * Upgraded legacy applications to (.NET Framework to .NET Core; Py2 to Py3) * Monitored app status by CloudWatch and DB records to resolve operation failures (24hr shift) * Collaborated with an Agile engineering team that used Jira to track issues and tickets * Hosted technical learning sessions to help the team acquire new skills in Python and GitHub Actions

* Performed 10+ R&D iterations, discussions, presentations, and peer-reviewed publications * Developed programs for statistical computing by Sklearn, SciPy, Statsmodels, Pandas, NumPy * Developed web interfaces to host interactive visualizations by JavaScript Plotly, jQuery, and D3.js * Developed 3+ multiplayer AR apps and event-based network systems by C# .NET, and JavaScript * Instructed 150+ undergraduates in the design and implementation of Java object-oriented programs * Led hands-on labs in robotic programming, web applications, and data visualizations * Recognized for Outstanding Computer Science Teaching Assistant in 2018 and 2021

* Developed neural network models for content recommendation by Python TensorFlow on AWS EC2.