Park Soohyun

Park Soohyun Email and Phone Number

Principal Engineer @ 카카오페이증권(Kakaopay Securities)
Incheon, South Korea
Park Soohyun's Location
Seoul Incheon Metropolitan Area, Korea, Republic of
Park Soohyun's Contact Details

Park Soohyun personal email

n/a
About Park Soohyun

Expert in Open source database and Data architect and Administrator.I have a database engineer for 20 years relevant experience. Begins with system engineers experienced a variety of fields, currently it has a professional DBA.MySQL, MariaDB, MS-SQL, PostgreSQL has database experience.Linux, Windows server, Solaris has os system installation and set-up experience.ASP, PHP, Phython, Go has program language experience. Various Experiences and continuos Passion for learningKnow not only Database administrator but system engineer, developer, No-SQL(MongoDB, Redis) and big data based on Hadoop. It make me have a more high problem-solving capabilities about various issue and problems.My motto is "The problem will exist because it can solve.".Good documentation and sharingStaff in Korea MySQL user group activities, and the sharing of knowledge.Writing an article about the technology in CDNetworks blog.Work process & maintenance task has always documented in the wiki.

Park Soohyun's Current Company Details
카카오페이증권(Kakaopay Securities)

카카오페이증권(Kakaopay Securities)

View
Principal Engineer
Incheon, South Korea
Park Soohyun Work Experience Details
  • 카카오페이증권(Kakaopay Securities)
    Principal Engineer
    카카오페이증권(Kakaopay Securities)
    Incheon, South Korea
    View
  • 카카오페이증권(Kakaopay Securities)
    Principal Engineer
    카카오페이증권(Kakaopay Securities) Jan 2023 - Present
    View
  • 파스토(Fassto)
    Lead Of Data Engineer
    파스토(Fassto) Aug 2022 - Dec 2022
    Seoul, Seoul, South Korea
    View
  • Sendbird
    Data Infra Engineer
    Sendbird Dec 2019 - Jul 2022
    Seoul, Seoul, South Korea
    AWS 내에 Database system 운영.- AWS 14 region, 60개 Aurora MySQL Cluster. 운영.- 10 개 지녁에 Aurora PostgreSQL Cluster 운영. (12.4)- Terraform module 관리 및 AWS 리소스 관리.- Online Schema change 를 위해서 Ansible & Percona Online schema change Tool 운영.- Metric 수집을 위해서 Python 사용.- 쿼리 튜닝 및 최적화를 위해서 AWS CLI 및 MySQL Stored routing 사용.- Python Django model 에서 쿼리 테스트 및 검토.MySQL 샤딩 솔루션.2020.06~2020.12(7개월)MySQL 특정 테이블에 대한 볼륨이 거대해 지면서 발생하는 성능 이슈를 해결. 수평/수직 분할이 가능한 Vitess (https://vitess.io/) 솔루션 PoC 및 적용.- AWS EKS.- Vitess Operator.- Backend Store 로 AWS RDS Aurora MySQL.- Python Django테이블에 대한 수평 분할을 Production 서비스에 적용.NoSQL 검토 및 적용.2020.12~2021.06(7개월)채팅 사용자간에 친구 관계 설정을 위한 적합한 Data Store. 의 검토. - 쿠버네비스 환경 위에서 적용할 NoSQL 검토.- Couchbase, MongoDB Atlas, AWS DocumentDB, AWS Neptune. -최초Couchbase로결정후작업진행.- AWS DocumentDB, AWS Neptune. 으로 변경.- Terraform 모듈 작성 및 AWS 환경 Terraform 으로 생성.- 최종 AWS DocumentDB 로 결정.
    View
  • Peoplefund
    Data Engineer
    Peoplefund May 2019 - Dec 2019
    Gangnam-Gu, Seoul, Korea
    -Synchronize AWS RDS MySQL data to Redshift via DMS (CDC).-Ubuntu + Tableau BI.-Install and operate Percona Monitoring and Management.-Terraform 0.12 installation and operation.-Create table definition by extracting Model spec defined in Django.InfluxDB + Telegraf + Grafana for Tableau Server monitoring.
    View
  • Delivery Hero Korea
    Database Administrator
    Delivery Hero Korea Oct 2018 - Jan 2019
    Seocho-Gu, Seoul, Korea
    Develop a migration strategy from on-premises to AWS.-Develop an On-Premises PostgreSQL (Yoyogi) & MariaDB (Delivery) AWS migration strategy.-Yogiyo, DB separation strategy establishment through delivery box data design analysis.-AWS default policy plan.-Maintenance of Terraform module, Salt Stack Formula DB related settings.
    View
  • Coupang
    Sr. Manager
    Coupang Feb 2016 - Oct 2018
    Songpa-Gu, Seoul, Korea
    Project to transfer Kupang IT environment from On-premises to AWS.role:- Establish a nonstop migration strategy with AWS for MySQL service to 130 IDCs.- Establish database security and access control policy within AWS.result:- 130 Aurora clusters have been transferred to 440 instances.- Introduced ProxySQL for nondisruptive migration.- Establish policy for VPC, Subnet, IAM, DB safer, DB gateway for security and access control.- Introduced TICK stack & PMM for monitoring.IDC MySQL InnoDB engine advanced project.- Compare InnoDB vs. TokuDB vs. RocksDB storage engine.- Composed and configured with InnoDB & TokuDB. Memory setting (my.cnf).- Compress 5TB data to 500GB.- Increased response time.Document base NoSQL introduced.Introduced Couchbase for products and history- Separation of Data node & Index node.- 10TB total, using 10 ec2 nodes. Operate 8 services in bucket unit.MongoDB Operation. (2 services)
    View
  • Cdnetworks Inc.
    Principal Dba
    Cdnetworks Inc. Aug 2012 - Jan 2016
    Gangnam-Gu, Seoul, Korea
    Working as Database Administrator & Database engineer & Technical Evangelist.Migration from InnoDB & MyISAM to TokuDB & InnoDB.Upgrade from MySQL Ent. 5.0 to MariaDB 5.5InstallationBackup & RecoveryConfigurationDatabase security (PCI audits, KDDI audits, ISMS audits)Database change process.Replication maintenance.Monitoring tool (MySQL Ent. Monitor, MONyog, Percona cloud tool)MySQL NDB Cluster set-up.HA sollution research & BMT.TokuDB® v7.5.x with Fractal Tree® Indexing for MariaDB® v5.5.xx- Operation of 50 servers with 10 services.- Multi storage engine operation.TokuDB, InnoDB, Memory, Federated, BlackholeMariaDB 10.0.xx 10.1.xx- Multi source replication.- Multi thread replication- Blackhole engineMaintenance of DB server in addition to Main service.- MySQL Community 5.0.88- MySQL Community 5.0.95- MySQL Community 5.1.51- MySQL Community 5.5.21- MySQL Community 5.5.28- MySQL Community 5.5.29- Billing Service MSSQL 2005 Maintenance
  • Shinheung College
    University Lecturer
    Shinheung College Mar 2011 - Jul 2013
    Uijeongbu, Gyeonggi-Do, Korea
    Medical informatics class: Taught for data mining.
    View
  • Megastudy
    Developer
    Megastudy Jun 2008 - Jul 2012
    Seocho-Gu, Seoul, Korea
    MegaStudy is Korea No. 1 Online education companies. Involved in the development of new online services, and table designs. It has the experience of development in the new environment.The easy support for cross-platform browser is used in the jQuery Library.Designing and developing a new service for high school homeroom teacher (MS-SQL, ASP, jQuery)In-house groupware maintenance (MS-SQL, ASP.NET)Customer Center Renewal (MS-SQL, ASP)
    View
  • Saraminhr
    System Engineer
    Saraminhr Aug 2005 - May 2008
    Guro-Gu, Seoul, Korea
    The Saramin is Korea No. 1 Online job site.Development and operation of the entire system.Linux, APM, DNS, FTP, MySQLSite advancement project progress:- Full database modeling design, data migration.- Data modeling and definition of enterprise data standards (DA #)- Introduced Konan search engine- Application of mass mailing solution.- Apply PHP zend framework.- Apply SVN for version management.- Establish a staging strategy for deployment management.Build virtualization infrastructure with VMWare.H/W operation and maintenance.Backup & Recover plan & process.
    View
  • E-Klc, Inc.
    System Enginner
    E-Klc, Inc. Aug 2002 - Jul 2004
    Mapo-Gu, Seoul, Korea
    40 Universitys Online TOEIC site construction and operation.Linux + Apache + PHP + MySQL.H/W operation and maintenance.Backup & Recover plan & process.
  • Ce Education, Inc.
    Software Developer
    Ce Education, Inc. Mar 2002 - Jul 2002
    Gangnam-Gu, Seoul, Korea
    Online education site construction and operation.Linux + Apache + PHP + MySQL.
  • Webbiz, Inc.
    System Developer
    Webbiz, Inc. Mar 2000 - Feb 2002
    Gangnam-Gu, Seoul, Korea
    Participated in a large number of projects as an SI company.Major Projects:Hanmi Bank Bank Computer Development. - Participated as a developer of JSP & java servlet.Development and Maintenance of Health and Welfare Department's Website - Perl & OracleNew Mania shopping mall - asp, MS-SQLBuild a number of shopping malls - PHP, MySQLIn-house web hosting system Contact person:Solaris DNS & Netscafe mail service.Linux APM & Windows IISMS-SQL & MySQL Database Administrator

Park Soohyun Skills

Database Administration Database Design Database Modeling Data Analysis Data Warehousing Data Migration Mysql Linux Software Development Php Apache Databases Microsoft Sql Server

Park Soohyun Education Details

Frequently Asked Questions about Park Soohyun

What company does Park Soohyun work for?

Park Soohyun works for 카카오페이증권(Kakaopay Securities)

What is Park Soohyun's role at the current company?

Park Soohyun's current role is Principal Engineer.

What is Park Soohyun's email address?

Park Soohyun's email address is za****@****aum.net

What schools did Park Soohyun attend?

Park Soohyun attended Yonsei University, Inje University.

What are some of Park Soohyun's interests?

Park Soohyun has interest in Science And Technology.

What skills is Park Soohyun known for?

Park Soohyun has skills like Database Administration, Database Design, Database Modeling, Data Analysis, Data Warehousing, Data Migration, Mysql, Linux, Software Development, Php, Apache, Databases.

Not the Park Soohyun you were looking for?

View similar profiles

Free Chrome Extension

Find emails, phones & company data instantly

Find verified emails from LinkedIn profiles
Get direct phone numbers & mobile contacts
Access company data & employee information
Works directly on LinkedIn - no copy/paste needed
Get Chrome Extension - Free

Aero Online

Your AI prospecting assistant

Download 750 million emails and 100 million phone numbers

Access emails and phone numbers of over 750 million business users. Instantly download verified profiles using 20+ filters, including location, job title, company, function, and industry.