Yun Kim Email & Phone Number

New York, Ny, Us

New York, New York, United States

APM Python Client Library Team (2022-2023)ML Observability (2023- )

New York, New York, United States

• Contributed to and maintained ddtrace, an open-source library for Datadog APM tracing• Improved trace encoding performance efficiency by ~9.5% by redesigning custom MessagePack encoding module for encoding traces via Cython• Helped bring Datadog's new CI pipeline tracing product CIApps to general availability for the Python tracer• Added framework testing with ddtrace enabled into the ddtrace library's CI pipeline in order to ensure and expand integration test coverage• Consulted with support engineers and responded to customer escalations and Github issues

San Jose, California, United States

• Defined Django models and relationships to allow playbook objects to be automatically triggered by security events• Redesigned and implemented Phantom Playbooks to be Python 3 correct and backwards compatible with Python 2 by modifying Python APIs and C++ backend engine to handle ambiguous cases of strings being encoded/decoded into binary/Unicode data• Refactored APIs from single monolith file into separate modules (reduced original file from 7238 to 2000 lines)• Increased Python API unit test coverage by 60% (937 to 1503 test cases)

Toronto, Canada Area

• Developed a computer vision pipeline to detect and identify out-of-stock products in a video feed of a grocery shelf• Trained a Faster-RCNN model for a custom dataset using the TensorFlow Object Detection API • Applied transfer learning to a VGG19 model for feature extraction and ran cosine similarity search through a database of reference product images• Ran model training jobs on Azure Compute and deployed the pipeline’s Docker image onto Azure Containers

Toronto, Ontario, Canada

• Big data bioinformatics pipelines (Python, mySQL) • Automated variant interpretation for cancer reporting (Reduced 500 variants per tumour to be manually interpreted to 10 per tumour), reduced analyst reporting time by > 80%• Automated clinical report generation (Python)• Integrated report generation into clinical website backend service (AngularJS, PHP)

Toronto, Ontario, Canada

• Prototyped mobile applications for bitcoin wallet service (Android, iOS)• Built an AR application for employee peer-to-peer commendation (iOS, ARKit, CloudKit)• Built continuous integration pipelines to automatically push builds into production (Bitbucket, Docker)• Agile software developing environment with test-driven development