●⠀Enhanced a large-scale distributed log delivery system, capable of ingesting over 300GB/s⠀⠀across 34 regions, hosted on more than 22,000 hosts and supported by 48 pipelines.●⠀Optimized the microservices architecture within the system, enabling horizontal scalability of up⠀⠀to 30% within hours while ensuring fault tolerance with 1-day minimum data retention and⠀⠀backlog auto recovery.●⠀Mentored 2 junior developers, guiding them to intermediate proficiency through regular 1:1.⠀⠀Onboarded five new team members, ensuring their smooth integration into the team.

Aqueduct Public Control Plane●⠀Designed and implemented a frontend proxy for the Aqueduct project, facilitating direct⠀⠀customer integration with the log system via the existing AWS CloudWatch Logs frontend.●⠀Authored design documentation for the proxy component, which underwent 4 peer reviews and⠀⠀2 security penetration tests, ensuring the project was completed on time within 7 months.●⠀Led the transition to a microservice architecture, identifying and resolving key load balancer⠀⠀routing issues to ensure customers could maintain fully end-to-end encryption.

Firehose V2●⠀Collaborated on the implementation of the Delivery Service (DS) that sends data to custom⠀⠀destinations via Kafka Connect, utilizing message queues to ensure reliable data flow.●⠀Managed infrastructure for DS, utilizing ECS to run a custom Kafka image from MSK and⠀⠀deploying through internal pipelines to ensure efficient container orchestration.

●⠀Implemented and augmented turbulence removal algorithm based on various deep convolutional ⠀⠀networks, including data set preparation, model building, training, etc.●⠀Researched and implemented Lucky Region Fusion (LRF) algorithm.●⠀Significantly stabilized and improved the infrared thermal video quality at long range (> 4KM).●⠀Researched video super-resolution algorithm based on Residual Dense Network and GAN.●⠀Doubled resolution of infrared thermal camera output with minimal artifacts.●⠀Shipped Open Network Video Interface Forum (ONVIF) camera server from scratch and passed ONVIF ⠀⠀conformance certificate.

●⠀Implemented video keyframe algorithm for Google Deep Dream based AI creativity program.●⠀Synthesized video clip with targeted texture to anonymize the content while still express human ⠀⠀emotion for sensitive interviews etc.●⠀Researched and improved temporal cohesion, image blending issues.●⠀Attended AI creativity research meeting and exchanged ideas regularly.

●⠀Design and implement cross-browser automation testing based on Ranorex & C# to support IE6-11, ⠀⠀Mozilla, and Safari.●⠀Improve automation structure and reporting with combinatorial tools and fuzzing testing.●⠀Design and execute manual functional testing plan to achieve higher code coverage.●⠀Communicate bug report to the developer and standardize documentation.

●⠀Practiced performance & reliability driven development in scrum / agile environment.●⠀Implemented and maintained internal performance & reliability automation testing framework.●⠀Analyzed and reported tests results per day based on performance target.●⠀Offered performance & reliability consultancy to other developer teams.●⠀Expert knowledge in SAP BusinessObjects Cloud, Selenium, Jenkins CI, JMeter.●⠀Practical knowledge in SAP HANA Database, Java application development, Chrome Dev Tool.

●⠀Condensed and concentrated keywords for Search Engine Optimization.●⠀Code optimization for JavaScript and HTML, 10:1 compression ratio achieved.●⠀Designed website in standard HTML and CSS. Expert knowledge in browser compatibility.●⠀Composed graphical design in poster, ticket etc. for domestic and international events.

●⠀Demonstrated storage management software to registered or potential clients in 6 member team.●⠀Customized Microsoft SQL Database to clients from various industries.●⠀Extended our product to include RAID backup and bar code scanning modules.