Career Profile
- Iâm a software engineer - senior full stack engineer with experiences on developing/maintaining solutions.
- Experienced on project-based B2B applications supporting Samsung initiatives - talent management, factory maintenance, security, etc.
- I am always up for challenges, productive discussions and beers. đ»
Experiences
Senior Fullstack Developer
Aug 2023 - Present
NoA Ignite, Denmark
Leading the development in projects. Assessed and implemented structured solutions on cloud services.
- Led development for B2B applications, addressing software challenges and meeting deadlines using React TypeScript and Next.js.
- Designed solutions within the Azure ecosystem and structured front-end solutions to support business operations.
- Managed a logistics application integration and developed a PIM system proof of concept to meet client specifications.
Fullstack Developer
Oct 2022 - Feb 2023
ISSUU, Denmark
Fullstack developer. Mostly using React typescript for the frontend, typescript, OCaml for the backend. Responsible on developing/maintaining reader side experiences.
Software Engineer
Jul 2018 - Sep 2022
Samsung SDS, South Korea
Fullstack developer working on project-based B2B applications supporting Samsung initiatives- talent management, factory maintenance, security, etc.
- Led a team (client, design, dev) to develop a $600M contractor management system, delivering over 55 functional web pages and 10 table relations.
- Responsible to develop all reusable integration components (address, payment, auth, etc.), required for infrastructure update of company web app
- Built table relations, optimizations, APIâs, and web pages for internal talent management system used by all Samsung devs and managers to staff projects
- Devised core algorithm for a home security alarm, using queue and map data structures to ensure data integrity and functional efficiency
- Collected and digitized Samsung factory metadata by working with employees to develop ingestion scripts, enabling management of maintenance needs
Researching intern
Aug 2017 - Feb 2018
Western Michigan University, U.S.A.
Conducted research to determine the most efficient parallel processing algorithms for searching all-pairs shortest paths using C and OpenMP
- Developed an algorithm that reduced time complexity needed to traverse real-world social networks from O(n3) to O(n2.4).
- Published paper accepted by International Parallel Processing Conference, Efficient Parallel All-Pairs Shortest Paths Algorithm for Complex Graph Analysis.(Abstract is below)
Artilleryman
Jan 2013 - Oct 2014
Republic of Korea Army, South Korea
Led a squad of 8+ soldiers responsible for artillery deployment and operation
- Won bootcamp commanderâs commendation award for receiving the highest marks in all subjects (leadership, shooting, strength, etc.) amongst 258 other soldiers
- Manned countryâs 1st line of artillery defense, operating just 10 miles outside North Korea
- Upheld national defense in complex and high profile situations, including a presidential election
- Served through over 222 active North Korean missile provocations, ensuring, at each incident, the team was ready for escalation in less than 60 seconds
Skills
Programming
Typescript
Javascript
Java
OCaml
python
C++
C
JSP
GO
Database
Oracle
PostgreSQL
Redis
Firebase Realtime Database
mySQL
Cloud
OCI(certified)
AWS
Azure
Framework
React
Next.js
Spring boot
Spring
NodeJS
FastAPI
Vue.js
jQuery
Docker
K8S
Firebase
ETC
Jenkins
SonarQube
git
and More to come!
Projects
Kyowon Next Generation Project
Server Engineer
Mar 2022 â Sep 2022
- Building web/mobile application from 30 years old legacy.
- Made several core modules integrating with external solutions such as an address solution, payment solution, authentication solution, company-wide messenger, etc.
Java
Spring Boot
Oracle
myBatis
Vue.js
Cheil Worldwide credential DB & open platform system project
Project Leader/Development Leader
Jul 2021 â Dec 2021
- Developed a company-wide linkedin-like platform.
- Performed as a Project leader and tech lead.
- Designing 11+ table relations and 54+ applications, negotiating clientâs requirements.
Cheil Worldwide is the countryâs largest and the worldâs 19th largest advertising agency, by 2018 revenues, and the worldâs 14th creative agency network.
Java
Spring
Oracle
myBatis
JSP
Samsung SDS talent matching system project
Fullstack Engineer
Jul 2020 â Jun 2021
- Developed an internal talent matching system targeted to allow employees to apply for specific projects based on certain preferences.
- Completed an urgent client request, estimated at a monthâs worth of work for 1 full time SWE, in 2.5 weeks with 0 errors surfaced by the QA team.
- Designed the table relations, and also optimized queries.
- Fixed 42 bugs among 183 on beta period according to Jira.
- MSA(Micro Service Architecture)
Java
Spring
PostgreSQL
myBatis
RabbitMQ
Vue.js
Shareholders Meeting system project
Fullstack Engineer
Jan 2020 â Jul 2020
- Developed a Samsung Corporationâs shareholders meeting system.
- Meet the urgent 4 months deadline with 0 errors as a fullstack engineer, without having any experience with Vue.js.
Java
Spring
Oracle
myBatis
Vue.js
Implementing Facility Lifecycle Management System in Samsung Electronics Hungary
Project Leader
Nov 2019 â Dec 2019
- Implemented a new system, Facility Lifecycle Management System in Samsung Electronics in Hungary.
- Migrated the data of every specification of 1000+ facilities in the entire factory, working closely with the local employees.
- Trained local employees how to use the system.
S1 Next Generation Project
Server Engineer
Sep 2019 â Oct 2019
- Implemented the core algorithm for alarm trigger system using queue and map data structure
S1 is a security company which provides total security solution for schools, banks, houses, etc. by enhancing stability of system security business and building solutions.
Java
Azure
CosmosDB
Vue.js
Implementing Facility Lifecycle Management System in Samsung Electronics Indonesia
Project Leader
Jul 2019 â Aug 2019
- Implemented a new system, Facility Lifecycle Management System in Samsung Electronics in Indonesia.
- Migrated the data of every specification of 1000+ facilities in the entire factory, working closely with the local employees.
- Trained local employees how to use the system.
Multi-campus Next Generation Project
Server Engineer
Jul 2018 â May 2019
- Developed content managing system of e-learning platform.
- MSA(Micro Service Architecture)
Multi-campus is the best Human Resource Development Company in Republic of Korea which offers education services through online to mainly companies or individuals.
Java
Spring Boot
Oracle
myBatis
RabbitMQ
Nexacro
Javascript
Researching Intern
Researching Intern
Aug 2017 - Feb 2018
- Published a paper, âEfficient Parallel All-Pairs Shortest Paths Algorithm for Complex Graph Analysisâ, and accepted by ICPPâ18, Proceedings of the 47th International Conference on Parallel Processing Companion.
C
openMP