Experience

backpackr

• South Korea
• IT Services and IT Consulting
• 1 - 100 Employee

• Lead Engineer

  • Jul 2023 - Present

  대한민국 서울 창작자를 위한 지속 가능한 생태계를 만들기 위해 크라우드펀딩 플랫폼 '텀블벅'과 창작자 멤버십 커뮤니티 '스테디오'의 기술을 리드하고 엔지니어들을 서포트하며 함께 성장하고 있습니다.



Tumblbug, Inc.

• South Korea
• IT Services and IT Consulting
• 1 - 100 Employee

• Chief Technology Officer

  • Aug 2018 - Jun 2023

  대한민국 서울 강남구 CTO • Leading technical strategies • Managing engineering teams • Designed and developed 'Tumblbug' Web Service • Maintained server infra and DevOps with AWS • Designed and implemented data lake • 'Tumblbug' is famous crowdfunding in South Korea like Kickstarter.(https://tumblbug.com)



SK Telecom

• South Korea
• Telecommunications
• 700 & Above Employee

• Technical Lead

  • Oct 2015 - Jul 2018

  대한민국 서울 중구 Technical Leader & Senior Back-End Engineer, T-Valley • Managed a team of developers to develop, launch and maintain service for 'T-pet'. • In charge of interview for hiring developer. • Designed and implemented RESTful APIs for 'T-pet'. • 'T-pet' is service for pets. (Google Play : http://bit.ly/1TqQXmY / Appstore : http://apple.co/2vNZx9L) Technical Leader & Senior Data Engineer, D-Lab • Designed and developed the Marketing Automation Platform based on Google… Show more Technical Leader & Senior Back-End Engineer, T-Valley • Managed a team of developers to develop, launch and maintain service for 'T-pet'. • In charge of interview for hiring developer. • Designed and implemented RESTful APIs for 'T-pet'. • 'T-pet' is service for pets. (Google Play : http://bit.ly/1TqQXmY / Appstore : http://apple.co/2vNZx9L) Technical Leader & Senior Data Engineer, D-Lab • Designed and developed the Marketing Automation Platform based on Google Tagmanager, Google Analytics, Tune and Urban Airship. • Designed and developed RESTful APIs for integration with 3rd parties(GTM, GA, Tune and UA). • Designed and implemented the integrated data tracking iOS SDK, Javascript SDK which run in more than 20 services and Apps of SK Telecom. Senior Back-End Engineer, Server Development Team • Designed and developed 'BizChat'.(https://bizchatservice.co.kr) • Designed and developed RESTful APIs for service as 'Data soda'. • 'Data soda' is service for Mobile Data Market. (Google Play : http://bit.ly/2wfN8P4 / Appstore : http://apple.co/2xaagut) Show less



카카오게임즈(kakaogames)

• South Korea
• Information Technology & Services
• 1 - 100 Employee

• Manager

  • Aug 2014 - Sep 2015

  대한민국 경기도 성남 Senior Back-End Engineer • Designed game publishing platfoms for ’The Black Desert’ • Designed and implemented integration system between game users and Kakao users. • Designed and developed official websites(included forum) (PC : http://black.game.daum.net / Mobile : http://m.black.game.daum.net ) • Designed and implemented RESTful APIs for shops in game. • Designed and developed Admin sites for managing game.



Questrunner Korea (퀘스트러너코리아)

• Chief Technology Officer

  • Jul 2013 - Jul 2014

  대한민국 경기도 성남 CTO • Built and managed development teams. • Executed in a fast paced environment with agile development methodologies. • Built and tested and operating sites in startup environments. Product Introduction • Demo day : https://bit.ly/36NrUrQ • Youtube : http://youtu.be/FFcbXTrqMJ0 Accomplishment(download ranks in South Korea) • Launched 'Questrunner' App (it is similar to Airtasker's concept) • Google Play : 5th in life style category • Appstore : 7th in… Show more CTO • Built and managed development teams. • Executed in a fast paced environment with agile development methodologies. • Built and tested and operating sites in startup environments. Product Introduction • Demo day : https://bit.ly/36NrUrQ • Youtube : http://youtu.be/FFcbXTrqMJ0 Accomplishment(download ranks in South Korea) • Launched 'Questrunner' App (it is similar to Airtasker's concept) • Google Play : 5th in life style category • Appstore : 7th in all category, 1st in life style category and featured. • Onestore : 1st in life style category • Featured at ’South Korea Mobile Application Award 2014’ Show less



GameZen, Inc.

• Co-Founder / CTO

  • May 2010 - Jul 2013

  대한민국 서울 마포구 상암동 Co-Founder / CTO • Designed server farms for launching mobile games with AWS. • Maintained server infra and DevOps with AWS for 3milion global users. • Designed and implemented application servers for mobile games. • Built and managed development teams to 30 developers. • Executed in a fast paced environment with agile development methodologies. Accomplishment • Launched about 10 mobile games. • Appstore : 1st in paid rank, featured (in South Korea)



SK Communications

• South Korea
• Technology, Information and Internet
• 1 - 100 Employee

• Assistant Manager

  • Aug 2006 - Apr 2010

  대한민국 서울 서대문구 Software Engineer(Web Application) • Implemented API for Global Cyworld • Launched Cyworld service in USA, Europe, China, Japan, Taiwan, Vietnam • Co-worked with developers in other countries for 3years • Implemented Nate App Store platform development (Nate App Store is first appstore in South Korea) • Applied OpenSocial specification to Cyworld to implement API prototype: Presenting the starting point of the Nate App Store • Designed and implemented Payment / Photo Album… Show more Software Engineer(Web Application) • Implemented API for Global Cyworld • Launched Cyworld service in USA, Europe, China, Japan, Taiwan, Vietnam • Co-worked with developers in other countries for 3years • Implemented Nate App Store platform development (Nate App Store is first appstore in South Korea) • Applied OpenSocial specification to Cyworld to implement API prototype: Presenting the starting point of the Nate App Store • Designed and implemented Payment / Photo Album / Guestbook API • Improved of structure for handling large volume traffic • Implemented open source (LAMP) based framework to reduce costs Show less