Jiwon Lee Email & Phone Number

Seoul, South Korea

Backend and Server DevelopmentTools:ExpressJS, NestJS, NodeJS, REST API, MySQL, PHP, PHP CI, ASPAWS (EC2, RDS, Route53, Load Balancer, Lightsail, Lightsail DNS), PM2, crontab, Apache2, Certbotsequelize, axios, multer, jwt, ejs(ExpressJS), hbs(NestJS)AmazonMQ(RabbitMQ), AWS S3, FCMNICE authentication, Ticketlink API, Interpark API, Aligo SMS APICI/CD - git action, AWS CodeDeploy, AWS S3Projects:CRM Gyeongnam FC Development2024.05 -… Show more Backend and Server DevelopmentTools:ExpressJS, NestJS, NodeJS, REST API, MySQL, PHP, PHP CI, ASPAWS (EC2, RDS, Route53, Load Balancer, Lightsail, Lightsail DNS), PM2, crontab, Apache2, Certbotsequelize, axios, multer, jwt, ejs(ExpressJS), hbs(NestJS)AmazonMQ(RabbitMQ), AWS S3, FCMNICE authentication, Ticketlink API, Interpark API, Aligo SMS APICI/CD - git action, AWS CodeDeploy, AWS S3Projects:CRM Gyeongnam FC Development2024.05 - 2024.06Constructed and developed server, APIs and cronsJeonbuk Hyundai AmazonMQ Adoption and CRM Development2024.02 - 2024.05Developed SMS and app push notifications using MQDeveloped APIs and cronsCRM Service Development2024.01 - 2024.06Developed APIsJeonnam Dragons Development2023.12 - 2023.02Separated the existing PHP codebase and taking charge of entire backendDeveloped APIs, set up and managed live and dev serversCRM Ticket 2.0 Development2023.10 - 2023.11Developed APIsJeonbuk Hyundai Sponsor House Development2023.08 - 2023.10Separated the existing ASP codebase and taking charge of the entire backendDeveloped APIs, set up and managed the backend serverGyeongnam FC Gmembers Backend Development2023.07 - 2023.10Developed APIs, set up and managed live and dev servers, and built CI/CDIncheon United Photo Archive Code Refactoring2023.05 - 2023.05Refactored the existing PHP CI codebase to NestJS, taking charge of entire projectDeveloped APIs, Separated frontend and backend code (frontend implemented with NestJS Handlebars)CRM Overall Development2023.04 - 2023.07Developed APIsModified some frontend API integration (VueJS)Suwon Samsung Bluewings Development2023.01 - 2023.03Separated the existing PHP codebase, and taking charge of the entire backendDeveloped APIs, set up and managed live and dev servers, and built CI/CD Show less

Seoul, South Korea

Backend and Server DevelopmentTools:NestJs, PHP Laravel, PHP CI, REST API, MariaDB, MongoDB, RedisElastic search, EasyCron, Aliyun cloud, Swagger, JWT, Sentry.ioTypeorm, Mongoose, bull, exceljs, hbs, eslint, prettierInicis, Naverpay, Naver Login, Kakao Login, Sendgrid, Naver cloud sens (SMS, KakaoTalk)digikey, arrow, mouser, element14, future electronics, corestaff APIsProjects:Estimate Refactoring, Inventory Integration Development2022.11 -… Show more Backend and Server DevelopmentTools:NestJs, PHP Laravel, PHP CI, REST API, MariaDB, MongoDB, RedisElastic search, EasyCron, Aliyun cloud, Swagger, JWT, Sentry.ioTypeorm, Mongoose, bull, exceljs, hbs, eslint, prettierInicis, Naverpay, Naver Login, Kakao Login, Sendgrid, Naver cloud sens (SMS, KakaoTalk)digikey, arrow, mouser, element14, future electronics, corestaff APIsProjects:Estimate Refactoring, Inventory Integration Development2022.11 - 2022.12Refactored the existing estimate backend code from Laravel to NestJsDeveloped APIsPartially modified frontend (React)Inventory Development2022.09 - 2022.11Responsible for database structure design and backendDeveloped APIsPartially modified frontend (React)Improvement Payment Logic2022.07 - 2022.08Improved all amount-related calculation logicImproved the part where the coupon was not reflectedRedesigned and developed point-related database and logicWrote Slack hooksSeparate External Service Project2022.01 - 2022.02Developed a project that only collects Email, Slack, SMS, KakaoTalk external API integrationsIntegrated and deployed to Azure function appBackend Development2021.12 - 2022.03Refactored the existing PHP CI codebase to NestJS, taking charge of entire backendDeveloped Naver Pay, Naver and Kakao loginIntroduced JWT and middleware design, adopted eslint and prettierSearch Engine Development and Improvement2021.09 - 2022.02Refactored the existing PHP CI codebase to NestJS, taking charge of entire backendDeveloped real-time integration of external APIs (digikey, arrow, etc)Newly introduced polling method, Redis, MongoDBImproved search speed, reduced the search time from 2-10 minutes to 0-1 minuteLaravel Refactoring2021.08 - 2021.09Refactored into Eloquent Resource form to separate by domainMigrated the inicis payment from CI to LaravelPartial Shipping Development2021.06 - 2021.07Rebuilt the shipping system and developed partial shipping system Show less

Seoul, South Korea

Backend:- Developing new REST APIs and maintaining existing APIs and REST APIs- Operating Linux servers in Docker- Migrating database data (creating new tables with a more efficient structure and migrating data to the new tables)- Conducting unit testing (white-box testing) and code analysis (Clang, LLVM, C, C++) for the project Java, Java Spring, Apache Derby, Apache POI, REST API, Windows 10, Ubuntu 20, Git, Docker, Notion, Slack, Jira ConfluenceSimple Frontend… Show more Backend:- Developing new REST APIs and maintaining existing APIs and REST APIs- Operating Linux servers in Docker- Migrating database data (creating new tables with a more efficient structure and migrating data to the new tables)- Conducting unit testing (white-box testing) and code analysis (Clang, LLVM, C, C++) for the project Java, Java Spring, Apache Derby, Apache POI, REST API, Windows 10, Ubuntu 20, Git, Docker, Notion, Slack, Jira ConfluenceSimple Frontend Development:- Communicate with the server and handle data when new features are addedJavaScript, Vue.js, Electron, ESLint, Prettier Show less

Seoul, South Korea

Backend:- Develope new RESTful APIs- Maintenance APIs and RESTful APIs- Fix light bugs in frontendBackend - PHP, SlimPHP, MySQL, Frontend - AngularJSJWT, AWSMac OS, Git, Github, VScode, DockerSlack, Notion

Regina, Sk

Belle Plaine, Sk

Solo Project - Developing Websites and Database Change from paper recording to digital recording. Production line employees can enter process information, then the process information for different production lines would be recorded into the database. Employers would also get a report of operations both historically and in real-time every day at a certain time. Language : Javascript, PHP, HTML, CSS, Bash, Shell Script, SQLTool : Notepad++ (+NppFTP), PostgreSQL, PuTTY, Apache Web… Show more Solo Project - Developing Websites and Database Change from paper recording to digital recording. Production line employees can enter process information, then the process information for different production lines would be recorded into the database. Employers would also get a report of operations both historically and in real-time every day at a certain time. Language : Javascript, PHP, HTML, CSS, Bash, Shell Script, SQLTool : Notepad++ (+NppFTP), PostgreSQL, PuTTY, Apache Web Server, LinuxOpen Source : PHPExcel, PHPlot, PHPMailer, FPDF, xinhaOther : MS Outlook, MS Excel, Skype for Business, MS Access Show less

Diploma, Computer Engineering Technology/Technician, 94.20/100

Language : Python, Assembly, Bash, VHDL OS : Linux, Windows Tool : Raspberry Pi, Arduino Uno, MPLAB, Altera Quartus II, OrCAD, KiCAD.

Bachelor’S Degree, Computer Science, 4.28 / 4.5

Activities and Societies: Algorithm study group Language : C, C++, C#, Java, JSP, Javascript, HTML, CSS, XML, JSON, Bash, Shell Script.