Seonghyeon Luke Yang

Experience

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  KT

  Mar 1998 - Dec 2009

  Researcher

  E-Healthcare service development (2005 ~ 2009) - Analyzed healthcare regulation regarding e-Healthcare service in Korea and developed business model - Developed the services for e-Healthcare such as obesity monitoring, blood sugar monitoring and electrocardiography - Performed QA tests on outsourced products to integrate KT’s e-healthcare system - Developed KT e-Healthcare system gateway modules in the Embedded Linux environment - Developed e-HealthCare service system provided on the KT IPTVSecurity module development for EDI system (2003 ~ 2004) - Developed PKI security module for KT Service (PC Client) - Commercialized PKI security modules for EDI (Electronic Data Interchange) of Korean social insurance serviceEDI Software development (1998 ~ 2002) - Developed standardized document processing modules for EDI (Electronic Data Interchange) System - Developed EDI document processing system using XML - Developed document transfer system based on XML/EDI Show less

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  Kt innotz

  Jan 2010 - Dec 2011

  Senior Researcher

  WAC(Wholesale App Community) platform development - WAC is the project name of global standardization of web app platform - Ported open-source security modules such as apache santuario, bouncycastle into Android in compliance with security specifications on the WAC Platform - Performed QA test on PKI security modules to obtain official platform certification - Maintained a liaison between KT innotz software development team and WAC certification team to meet international standards and responded to technical issues Show less

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  KT

  Jan 2012 - Apr 2014

  Senior Software Engineer

  Test automation of various KT R&D projects - Implemented test strategy, plan and test cases design - Performed functional test and non functional test including stress test - Test performed mainly on KT IPTV and voice recognition systemSemantic search engine development - Using Korean NLP module and ontology system, developed semantic search engine - Developed the semantic inference rules and semantic dictionary - KT In-house search engine was deployed on IPTV service Show less

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  Samsung Electronics

  Oct 2014 - now

  Principal Software Engineer

  2024~ (New Biz T/F)Healthcare service utilizing LLM2014~2023SSP platform development for in-house inventories (Development & engineering leader) - Non-blocking vert.x API servers with more than 6 AWS global regions - Designed client to server authentication security mechanism using HMAC - Developed real time & batch data pipeline and data processing logic (Kafka, Spark EMR, HIVE, ELK, etc) - OpenRTB (with Native extension) integration with Ad Exchanges and DSPsIn-House data platform development(Development & engineering leader in data domain for Suwon site) - Large scale data processing system based on data gathered from the various devices and services - Airflow(AWS Managed), Spark EMR, Circle CI, Docker, Terraform - Global collaboration across the gloal R&D site (Fluent for global engineering communication in English) - Knowledge about legal regulation for various countries including US (CCPA) and Korea to deal with data policy in the data platform - Basic understanding of ML models and experience to build up CTR prediction model Show less