1. Building a participatory music sharing service pineapple node.js restful api server2. Augmented Reality (Google ARCore, Apple ARKit) interior tile installation android implementation3. Research survey platform Node.js express api server construction4. Implementation of a service that measures posture and tracks golf putting balls using AI MobileNet5. Building a BRIP Node.js backend (Typescript express Prisma MySQL AWS CLOUD based) for a service that generates… Show more 1. Building a participatory music sharing service pineapple node.js restful api server2. Augmented Reality (Google ARCore, Apple ARKit) interior tile installation android implementation3. Research survey platform Node.js express api server construction4. Implementation of a service that measures posture and tracks golf putting balls using AI MobileNet5. Building a BRIP Node.js backend (Typescript express Prisma MySQL AWS CLOUD based) for a service that generates domestic and international travel itineraries based on user preferences6. Implementation of an advertiser-marketer matching platform Adeeple Java spring backend (Springboot, Postgre, Naver cloud) Show less

* Developing a wait call web service with Wifi captive portal tech. - Developing a wait call service after user connect to wifi in store - Building a REST API Back End structure based on node.js, express, mysql - Implementing Front End view pages with EJS engine, jQuery - Making a message to user with kakaotalk messenger.* Developing a order web service with Wifi captive portal tech. - Adopting GraphQL in existing REST API structure - Applying Sequelize ORM to… Show more * Developing a wait call web service with Wifi captive portal tech. - Developing a wait call service after user connect to wifi in store - Building a REST API Back End structure based on node.js, express, mysql - Implementing Front End view pages with EJS engine, jQuery - Making a message to user with kakaotalk messenger.* Developing a order web service with Wifi captive portal tech. - Adopting GraphQL in existing REST API structure - Applying Sequelize ORM to existing service based Raw MySQL DB Query Structure. - Automating unit test with jest Test script adoption. - Building GraphQL Query processing system for general DB Query Show less

Developing data exchange service named Nemodax with payment system based on Ethereum Blockchain * Designing a smart contract structure on Ethereum and making a coin. * Designing for multiple signature structures - Systems for voting decisions on blockchain * Developing browser wallet with ethers.js * Being Experienced Building and managing a private ethereum node

* Building a Web CMS Server with node.js, AWS, EJS * Building a RESTful API Server * Building a C++ Encryption batch job server * Researching IPFS and adjusting to node.js server

I've worked for LG Electronics as a System Engineer & Android Driver Developer Android SW Developer on Premium LG Smart PhoneMain Model : G2, G3, G5, G Watch2, G6, V30* SW Integration (2013.01 ~ 2016.9) 1. Reviewing the commits from each developers, making and managing the daily version 2. Reporting and Fixing the daily build error with each specialists 3. Analyzing 3rd party's Bugs and report to them.* Touch Driver Development (2016.9 ~ 2017.11)… Show more I've worked for LG Electronics as a System Engineer & Android Driver Developer Android SW Developer on Premium LG Smart PhoneMain Model : G2, G3, G5, G Watch2, G6, V30* SW Integration (2013.01 ~ 2016.9) 1. Reviewing the commits from each developers, making and managing the daily version 2. Reporting and Fixing the daily build error with each specialists 3. Analyzing 3rd party's Bugs and report to them.* Touch Driver Development (2016.9 ~ 2017.11) 1. Adjusting the vendor's touch firmware to Android Driver 2. Fixing the bug from QA, QE process 3. Testing the touch firmware and driver performances 4. Building the tool applications for touch visualization Show less

Worked at a company called perples, merged with yellow mobileDeveloping application named 'syrup'. the e-coupon service with ultra-sound from general speaker

Implementing private Navigation embedded device - Sensing forward obstacle with ultrasonic wave - controlling GPS signal for navigating. - Building a noticing system with Speak to Text, Text to Speck(STT, TTS) - Building a core navigating Algorithm with A*