Joonghyup Lee
Senior Developer
Seoul,11
Summary
Technology leader with 10+ years of experience in AI, signal processing, and Software engineering. Led multiple full-stack product developments and medical AI deployments.
Skilled in translating business vision into executable tech strategies in early-stage startups.
Overview
15
15
years of professional experience
Work History
Senior Developer
Catalonix
01.2023 - Current
- Leading the development of a smart turf management system tailored for golf course operations.
- Engaged in developing and deploying an IoT infrastructure for real-time monitoring and control at a World Cup stadium.
- Designed updates to existing software to meet changing customer demands.
Researcher
Orientom
04.2023 - 06.2024
- Conducting research on quantum algorithms for next-generation computing.
- Exploring applications of quantum principles to AI and optimization problems.
Senior Developer
Next Tomorrow
05.2021 - 03.2023
- Led full-stack development of a healthcare solution targeting elderly care; managed project from planning to AWS deployment.
- Spearheaded CT scan AI diagnosis model for acute abdominal diseases (e.g., perforation), improving diagnostic accuracy.
- Built Django-based APIs and managed React front-end; oversaw sprint planning and stakeholder alignment.
Senior AI Researcher
Spass
05.2021 - 12.2021
- Developed drug concentration prediction algorithm for kidney transplant patients.
- Built early-warning system for ICU using shock prediction algorithms from real-time vitals.
- Conducted data preprocessing, model training, and result validation with clinical datasets.
CTO
Synergy AI
09.2020 - 04.2021
- Oversaw R&D for medical imaging AI including ADPKD segmentation models using nnUNet.
- Delivered MVP backend using Django; led project team and coordinated with medical professionals.
- Participated in AI Voucher government program and managed grant deliverables.
AI/Platform Developer
Spectra
05.2019 - 08.2020
- Developed Spring Boot-based chat support platform, integrated with file server and 3rd-party tools.
- Handled Solr-based search engine refactor, schema optimization and deployment.
- Researched NLP-based sentence classification to enhance automated responses.
AI Research Engineer
Seoul City Gas
06.2017 - 04.2019
- Built Korean text classification models using LSTM/GRU for chatbot services.
- Developed text-to-speech (TTS) system based on end-to-end deep learning.
- Managed Korean voice dataset collection and model fine-tuning.
Embedded Software Engineer
Hyundai Autron
02.2015 - 05.2017
- Developed modules for AUTOSAR OS & Register Monitor for automotive ECUs.
- Led functional safety certification (ISO 26262) efforts for real-time operating systems.
- Ran static code analysis using Polyspace for MISRA-C compliance.
DSP Algorithm Engineer
Solid
03.2010 - 04.2013
- Designed and optimized signal processing algorithms for LTE/WCDMA/CDMA repeaters.
- Built digital filters, PAPR reduction (CFR) techniques, and interference cancellation methods.
- Managed national R&D project on road monitoring radar, led signal processor development.
Education
Master of Science - Electrical Engineering
Seoul National University
Seoul 04.2001 -
Bachelor of Science - Electrical Engineering
Postech
Pohang 04.2001 -
Skills
Expert problem solving
Timeline
Researcher
Orientom
04.2023 - 06.2024
Senior Developer
Catalonix
01.2023 - Current
Senior Developer
Next Tomorrow
05.2021 - 03.2023
Senior AI Researcher
Spass
05.2021 - 12.2021
CTO
Synergy AI
09.2020 - 04.2021
AI/Platform Developer
Spectra
05.2019 - 08.2020
AI Research Engineer
Seoul City Gas
06.2017 - 04.2019
Embedded Software Engineer
Hyundai Autron
02.2015 - 05.2017
DSP Algorithm Engineer
Solid
03.2010 - 04.2013
Master of Science - Electrical Engineering
Seoul National University
04.2001 -
Bachelor of Science - Electrical Engineering
Postech
04.2001 -
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