Seongtaek Hong Email & Phone Number

Solution-driven software engineer who values problem-solving, clean code, and robust architecture, experienced in all aspects of the software development lifecycle, from research, design, and CI / CD.TypeScript, NestJS, Python, PyQt, Java, C, Perl, Multiprocessing, Linux / Unix, SQL, Serial Communication, AWS, CI / CD, GitA.Software EngineerLooxid Labs - VR technology startup for predictive, proactive mental healthcare.11/2017 - Present(Achievements/Tasks)- Architected and developed the backend structure for a mobile-based health running game, seamlessly integrating exercise records from Apple Watch, while building a robust backend server on AWS. Implemented the API using NestJS, TypeScript, and MongoDB for efficient data management and performance optimization.- Designed and developed brainwaves (EEG) and pulse-wave (PPG) data visualization software, utilizing Python, PyQt, serial, and Bluetooth communication to help develop new products cooperated with the hardware engineering team, resulting in optimized high-accuracy EEG and PPG sensors.- Completed working prototype contract that combines EEG and LED to help people get relaxed, using Python, BLE technology, and singleton-based architecture, satisfying all conditions requested by the contractor on time.- Built an asyncio-based multiprocessing desktop application that receives and analyzes brainwave data which is sent to a connected Unity VR application, resulting in use by 7 public institutions in Korea.B.Software EngineerToppan Photomasks, Inc. - Semiconductor photomask manufacturing company. 03/2016 - 10/2017,(Achievements/Tasks)- Created automatically parses and uploads semiconductor manufacturing specification software for 3 different companies, that reduces errors by manual operation, using Perl and Java.- Collaborated with the software team and customer service in the Shanghai branch to develop the automation system which is suitable for the branch.C.Software EngineerAmkor Technology Korea, Inc. - Semiconductor packaging and testing company.03/2013 - 02/2014,(Achievements/Tasks)- Analyzed SQL queries to find the slow part and improved it to make queries faster and more efficient.- Maintained and modified an automated label printer software in the production line through Java, at the request of line workers.