[Geospatial datasets storage and delivery for internal customers]

• Stored phases of datasets derived from tens of petabytes data assets.

• Implemented RESTful API and multi-languages SDK (Java, Python, C++) for updating and querying.

• Constructed serverless service on AWS with RDS (PostgreSQL), S3, Lambda, and API Gateway.

[Cost-effective geospatial data processing pipeline]

• Ingested data sources that are formatted in JSON, CSV, and Protobuf.

• Provided coverage reports for upstream to schedule data collection activities with cost-friendly goals.

• Optimized the pipeline by selecting only necessary datasets conditionally based on business requirements for the cost reduction of the compute-intensive process.

• Demonstrated a dashboard to downstream internal customers for visualized process progress.

• Improved the pipeline reliability with flexible scripts in Shell and Python.

[Constructing music knowledge graph for NLP engine]

• Built interface for NLP engine to access knowledge graph.

• Fulfilled music knowledge graph with data from MusicBrainz database.

• Created a multithreaded script to enrich music data by using Spotify API.

[Collaborating on mobile application testing]

• Analyzed user data and built a benchmark for fulfillment tests under music domain.

• Summarized the comparison between most popular voice assistants.

• Leveraged the backdoor API by creating a workflow from behavior tests to Google Sheet.

[Enabling voice capability on vehicle cockpit]

• Integrated wake word detection and speech recognition on embedded Linux.

• Established the socket communication between the embedded system and the customer host.

[Qt Widget prototype]

• Wrapped I2C, GPIO, SPI and serial communication into Qt and C/C++.

• Constructed the hardware test panel on Boot2Qt device.

[Qt Quick evaluation]

• Designed the GUI with Qt Quick Control 2 based on the user required functionalities.

• Applied SQLite 3 to manage user data and complex medical records on embedded system.

• Utilized Signal-Slot mechanism to control a set of hardware without blocking UI.