Jeonghoon Seo Email and Phone Number

Development of AGE-R serviceAGE-R is a mobile application to help users of AGE-R devices which are developed by APR for skincare. AGE-R application provides community service and Personalized services such as customized device usage routine, short videos, tutorials, device usage history, point shop, etc.* Developing AGE-R service - Backend development for AGE-R application and administration service - Published to Unite State and Japan internationally* Setting up and managing infrastructure on AWS - Managing development / production environment* Setting up CI/CD environment with Jenkins and AWS* Project management - Gathering and elaborating requirement - Describing detailed functional requirements as story including acceptance criteria and flows - Planning roadmap of AGE-R service - Analyzing services using Google Analytics and Big Query* Related AWS services: S3, SQS, SNS, SES, CloudFront, Secrets Manager, Lambda, RDS, IAM, Cloud9, CloudWatch, EC2, Route53, CodeDeploy, EKS

Development of Digital Key Service using UWBThe digital key service utilizes UWB technology to accurately measure the user's location and provides a service that automatically unlocks the door when an authorized user approaches. The client and server each generate an asymmetric key, and the user stores the key in the secure space of the mobile phone, and the server stores the key in the HSM to improve security. These keys are used to authenticate each other.* Developing digital key service - Implementing secure channel with client based on FiRa standard - Key management using AWS CloudHSM and AWS KMS* Developing administration console and server based on Flutter and Spring Boot* Setting up and managing infrastructure on AWS - Managing development / production environment using AWS Terraform - Managing AWS IAM as security manager* Setting up CI/CD with Jenkins and ArgoCD for aws EKS - Configuring Jenkins jobs to build and register docker image to AWS ECR - Configuring ArgoCD to deploy Digital Key Service on AWS EKS* Related AWS services: EKS, S3, SQS, Cognito, SNS, KMS, CloudHSM, Secret Manager, ElastiCache, Lambda, RDS, IAM, CLoud9, CloudWatch, EC2, CloudFront, Route 53

Development of Nexsign™ v2The Nexsign™ provides user authentication (FIDO and FIDO2) using individuals’ biometric information such as fingerprints, iris, etc. Applying to a wide range of services, including Samsung Pay (a mobile payment service) and e-Bay Korea, Nexsign™ offers secure and convenient services.* Developing FIDO authentication server v2 based on FIDO standard* Developing administration console and server - Frontend development with JSP, HTML, and CSS - Backend development based on Spring framework - Implementation of SSO based on SAML* Technical support to client who use Nexsign™ * Configuring development environment based on AWS EKS - Setting up AWS EKS environment - Dockerizing server and configuring development servers* Setting up CI/CD environment - Automation of build and packaging from source code including manual document generation - Configuring jenkins jobs to deploy server on AWS EKS* Related AWS services: EKS, ECR, Secret Manager

Development of administration system for ai-based deep-fake detection* Developing administration system alone as full stack developer - User management, image analysis request management, audit logging, etc* Related AWS services: EC2, S3, RDS

Development of Service License Manager Platform at Samsung Electronics* Developing web frontend and backend service

Delivery of Nexsign™ and adoption of FIDO to mobile banking system for mobile banking service at Daegu Bank, Korea* Integrating the bank administration server with Nexsign™ - Installing and setting up Nexsign™ server - Implementing SSO and Interfacing with banking system* Integrating mobile banking app with Samsung PASS - Providing manual and guideline how to interface with Samsung PASS - Implementing Mutual SSL with Samsung PASS server* Technical support

Proof of Concept for FIDO adoption at Samsung Life Insurance, Korea* Integration FIDO authentication solution (Nexsign™) with OAM/OAAM* Enabling 2nd factor authentication with FIDO on OAM

Development of CKEditor plugin as common library for company* Comparing and analyzing open source web editors* Developing a plugin on CKEditor for additional functionalities - To paste data from MS Excel and Word with formatting - To store last used color and show the color on ribbon menu - Unit testing with Jasmine* Developing and hosting demo page for the CKEditor plugin* Registering the plugin to public plugin repository of CKEditor

Development of Integrated Treasury Management Information System at Ministry of Finance, Economic, Stabilization and National Policies, Sri Lanka* Project management - Managing project management methodology and standard document templates - Planning schedule and manage* Collecting system requirement from public officials with business architects* Managing and inspecting project artifacts

Development of next generation information reinsurance system at Korean Reinsurance Company* In charge of development of reinsurance features

Operation and maintenance for Digital Budget Accounting System (dBrain) at Ministry of Economy and Finance, Korea* Maintaining and developing the system according to regulation changes - In charge of budget planning and performance bonus features* Instructing public officials how to use the system